Computer优秀8篇
时间：2023-12-01 07:17:23
我们要知道单词computer的读音，还要掌握它的汉语意思。为大家精心整理了Computer优秀8篇，希望能够帮助到大家。
教学目标 篇1
Teaching aims and demands
本单元有关电脑的知识使用学生对其有一个初步的了解。让学生了解有关中国民航运用计算机的情况。并学习如何使用向对方提建议的口语练习，通过单词的学习掌握go up, bring down, prefer to and, but although等词的用法。本单元的语法重点是现在完成时被动语态的使用，要求学生能够了解和掌握。
Teaching important and difficult points
1.Important Vocabulary:
although, waste, believe, necessary, passenger, record, at one time, greatly, correct, complete, decision, abroad, change for
2、 Daily Expressions:
First of all, …
I believe…
Any reason?
3、 Useful phrases:
It would be a waste of …
In my opinion, we should …
4、 Grammar
The present perfect passive voice.
教学建议
1、 通过对话练习，进行两个人之间对建议和推荐的用法。
2、 通过课文的学习，掌握本单元的词和词组的用法。
3、 通过对课外补充文章的学习，对计算机的历史和应用有所了解。
Lesson 33: 口头练习：对话交际功能——日常生活用语。
Lesson 34: 学生进行对文章编成对话练习。练习直接引语变间接引语。
Lesson 35: 学生继续练习对话。可以扮演CAAC的领导和记者，或计算机经销商和单位领导，或电视节目主持人和中学生等等。
Lesson 36: 笔头练习：让学生写一篇关于自己生活中计算机的使用的文章，或对计算机在人们生活中应用的畅想。
教材分析
本单元的对话的特点是通过两个人对买何种计算机的讨论，从而掌握如何进行对一个物品进行评价、表达自己的观点，并提出建议。比如常见的口语用法：In my opinion, we should… / What’s your opinion?/ I don’t think it’s necessary to …/ I believe …/ I still think … 就在这个对话中经常出现。同时还有很多其它有用的口语，比如：First of all…/ in a few years’ time/ a waste of …/ make a decision/ not … any more
本单元的课文不仅讲述了计算机的应用对CAAC的帮助，而且中间穿插了很多现在完成进行时的被动语态的用法，使得学生能够正确地掌握这个语法的用法。同时对一些常见词和短语进行理解。比如：join, be used to do, thanks to, abroad, spend… on sth.， prefer to do, welcome.
重点知识讲解
1、 Today they are talking about buying a new computer. 今天他们谈论买一个计算机。
这里的talk about的意思是“谈论；谈及到；讨论”，后面通常加上名词或动名词。
We talked about it yesterday.
I want to talk about the price of the car with you.
2、 Did you find out the price for the IBM PC 486? 你找出IBM PC 486的价格了么？
这里的词组find out和find都是表示“找出”，都是一个结果。但是两种也有区别：如果表示意外发现，通常用find。比如：
I found this wallet outside the classroom.
What did you find just now?
如果要表示经过一番努力或研究得出的结果的时候，find和find out都可以，但通常用后者。比如：
I finally found out the secret of his death.
She wanted to find out the real answer to the question.
3、 I’ve got the information for all the computers now. 我已经得到了所有计算机的信息了。
这里的'information同news一样是一个不可数名词。后面通常加上for或about，前面通常加上一些修饰不可数名词的形容词。比如：
Do you have any information about the new machine.
4、 In my opinion, we should buy the IBM PC 586. 依我看来，我们应该买IBM PC 586。
这里的in one’s opinion表示的意思是“依…来看；…的意见是”。需要注意两点：1）后面不加I/he…think(s)。不像中文里可以说“依我看来，我觉得…”。在英语中这两种用法不同时出现。比如：
In my opinion, you are the best student. 不能说成 In my opinion, I think you are the best student.
2)后面不加客观事实。因为这里应是一个推断或主观的意见，比如：
In my opinion, the earth is round. （错误句子）。
In my opinion, you are right. （正确句子）
5、 If we buy the smaller one, the IBM PC 486, we might have to change it in a few years’ time for a bigger one. 如果我们现在要是买了the IBM PC 486，几年以后我们肯定要换一个更大的计算机。
这里的词组change… for…表示的意思是“将…换成…”。比如：
I want to change this small hat for a bigger one.
6、 I hope we can make a decision today. 我希望我们今天能做出决定。
这里的词组是make a decision（做出决定）。等于decide to do。比如：
Did they make a decision yesterday?
另外也可以用come to a decision, arrive at a decision来表示同样的意思。比如：
They finally came to a decision at the meeting.
7、 It is used to record the tickets which passengers buy. 它还记录下游客购票的情况。
句子中的be used to的意思是“被用来…”，是一个被动语态，后面加上动词原型。
The water her is used to make the trees alive.
Computers are used here to play games on.
8、 Now it is possible to find out much faster which planes are full. 现在要找到哪架飞机满了比以前要快多了。
这里用了一个much表示一个程度。通常在much, even和still后面加上一个形容词或副词的比较级形式。比如：
I am much heavier than before.
She is much happier than she was two years ago.
9、 Thanks to the new computer, the passengers at the offices of the CAAC can now buy their aeroplane tickets much faster. 由于使用了新的计算机，乘客在中国民航购票快多了。
句子中的thanks to是一个常见的短语，表示“由于；幸亏”，相当于because of, 或者as a result of表示原因。比如：
Thanks to your help, I was able to win the game.
They lost the game thanks to the foolish advice you gave them.
10、 At one time, there were long queues of people waiting outside the CAAC offices. 以前，中国民航办公室前等着购票的人们排成长长的队列。
词组at one time表示的意思是“以前；曾经”。比如：
At one time we met each other every day.
He went to that restaurant to have dinner at one time.
11、 These people will be welcome on our planes. 我们欢迎这些人来乘坐我们的飞机。
这里的welcome在这句话中是一个形容词，表示的意思是“受欢迎的”，后面常加的是不定式。比如：
You are welcome to do anything you like.
Welcome to Beijing.
welcome这个词也可以是名词。比如：
They received a cold welcome when they arrived.
同样welcome也可以作为一个及物动词，但后面不加不定式，而且过去式和过去分词都是welcomed。比如：
All the students welcomed the visiting friends at the school gate.
12、 In my opinion, we should buy the IBM PC 586. 依我看来，我们应该买IBM PC 586。
这里的情态动词should表示的意思是“应该”，通常用在表示建议的句子中。比如：
I should go home before 6 o’clock.
You should not ask others to do your homework.
13、 If we buy the smaller one, the IBM PC 486, we might have to change it in a few years’ time for a bigger one. 如果我们现在要是买了IBM PC 486，几年以后我们肯定要换一个更大的计算机。
这里的if是一个条件句。后面出现的两个逗号之间的东西从位置上说是一个插入语，从成份上来说是一个同位语，是对前面的名词the smaller one进行解释。我们通常用一个名词性短语或从句来作为同位语
14、 I don’t think I it’s necessary to buy the bigger one.我想没必要买较大的那个。
我们通常在think, suppose, expect, imagine等表示心理活动的动词后面不加否定含义的宾语从句。如果后面的从句使一个否定句，我们常常将从句谓语动词的否定是转移到主句的谓语动词之前。比如：
I don’t think I can get away at the moment.
I don’t suppose you need to worry.
I don’t think I know you.
15、 The IBM PC 486 will be big enough for us. IBM PC 486对我们来说就够大的了。
句子中的enough可以是形容词，也可以是副词。通常我们将enough放在名词前面或形容词或副词的后面。而且通常在后面再加上不定式。比如：
I don’t have enough money to buy a house.
I am not rich enough to buy a house.
16、 We mustn’t waste any more time. 我们不可以在浪费更多的时间了。
这里的情态动词mustn’t表示的不是“必须不”而是“不可以；不允许”。通常用在命令的句子中。比如：
You mustn’t talk in class. It is not a good habit.
We mustn’t go there because it is dangerous.
17、 We must decide which one to buy. 我们必须决定买哪一个。
这里的which one to buy为特殊不定式短语，在句子中做decide的宾语。特殊不定式的构成形式为“关系代词或关系副词+动词不定式”。常用的关系代词有：what, which, who, whether等；常用的关系副词有how, when, where, why等。比如：
We haven’t decided what to do next.
I don’t know how to write in English.
I will ask when to start tomorrow morning.
She will ask where to live.
18、 At one time, there were long queues of people waiting outside the CAAC offices. 以前，中国民航办公室前等着购票的人们排成长长的队列。
这里的waiting是一个现在分词，在句子中做people的定语，放在名词后，相当于一个定语从句。比如：
The foreigner talking with our teacher is head of the visiting group.
The man running after the bus is a friend of mine.
19、 As a result, the number of people who travel by plane in China is larger than ever before. 因此，在中国乘飞机旅行的人数比以往多了。
这句话中的as a result的作用相当于一个副词，意思相当于so。比如：
He hurt himself. As a result, he couldn’t go to school.
这句话中的the number of 的中心词是number，说明谓语动词肯定是单数的。比如：
The number of the books in this bookshop is more than 200,000.
20、 我们在很多句子中都用一个代词来代替前面提到的名词，常见的有one, it和that。这三个词都是代词的时候的区别：
1, one=a/an +noun 所代表的是前面提到的同类中的任何一个
He has no book and no money to buy one.
The hat is too small. Please show me a larger one.
2, it= the/this/that/adj.+ noun 指同一件事物
He has a book, but he will not lend it to me.
I drank some iced water, but it made me more thirsty.
3, that = the + noun 指前面所提到的同一类中的另外制定的一个。
The air of the country is purer than that of the city.
比较下面三句话：
I cannot find my umbrella; I think I must buy one.
I cannot find umbrella; I don’t know where I put it.
The umbrella you bought is cheaper than that I bought.
教学设计方案Lesson 33
一、Teaching Aims
1、 Help Ss understand the general ideas and some details in the dialogue
2、 Practice in pairs on making a new dialogue about something they are about to buy
3、 Teach them how to use some of the words and expressions in the dialogue
二、Teaching procedures
Step I Warming Up
1、 Give a student 5 minutes to have his/her own free talk about anything he/she enjoys
2、 Encourage Ss to ask the student questions about his/her free talk
3、 Ask Ss how many of them have got a computer at home
4、 Ask those who have computers what kind of computers they are using
5、 Write down “486, 586, desktop, laptop, PC, Mac, Gameboy” on the blackboard
Step II Listening
1、 Play tape of Lesson 33 twice and ask them to listen to the tape without looking at their books
2、 Give Ss question before they listen and ask them to try to understand the dialogue with those questions
1) How many people are there in the dialogue?
2) What are they talking about?
3) Do they finally agree with each other?
3、 Ask three students to answer the questions above
Step III Reading
1、 Ask Ss one by one questions about the dialogue:
1) What did Jenny probably ask Mei Ge to do before they have the dialogue? (to find out the price for the IBM PC 486)
2) What does Jenny prefer to buy, PC 486 or PC 586? Why? (see book for the answer)
3) Why does Mei Ge want to buy the smaller one?
4) Why can’t they waste any more time? (price may go up and the factory needs the computers badly)
5) What is their final decision? (not mentioned)
2、 Ask the next student to correct the mistakes if any
3、 Give Ss one minute or two to go over the dialogue again and then ask one of the students to be Jenny and tell the others what has happened in the dialogue
One possible answer:
I am Jenny and I am working with Mei Ge in a factory. Our factory planned to buy a new computer so Mei Ge and I talked about buying a new computer. I asked Mei Ge to find out the price of the IBM PC 486 but I want to buy the IBM PC 586 because it is better and bigger. What’s more, we will change the 486 for 586 in a few years’ time. But Mei Ge still prefers the smaller one because he thinks it is a waste of money to buy a very good one. He believes PC 486 is good enough. We will meet again to make a decision the next day.
4、 Ask another student to be Mei Ge and tell the others what has happened
Step IV Teaching
1、 Teaching Ss the use of different words and expressions
2、 Ask Ss to repeat the sentences which the teacher gives and after that ask them to make some new sentences with the words and expressions
Step V Practice
1、 Ask students to use the words and expressions to make a new dialogue
2、 Ask other students to find out the mistakes
Step VI Summary
Ask one of the Ss to tell other Ss what they have learned and write them down on the blackboard
Step VII Homework
1、 Ask Ss to be the manager of the factory and make up a new dialogue
One possible answer:
M (Manager): Jenny, would you please come to my office? I need to talk to you.
J (Jenny): OK. What can I do for you?
M: Our factory is becoming better and better and now we need a new computer because our computer is too old. I want you and Mei Ge to buy a new computer for our factory.
J: Yes. What kind of computers you want us to buy?
M: I don’t know much about it. You and Mei Ge can ask for the price first.
J: OK. We will check the price first. But I think we should buy a PC 586, which is very new now.
M: Ask Mei Ge to check the price first. Tell me the decision next week.
J: All right. We will do that.
2、 Make good preparation for the next lesson
教学设计方案Lesson 34
一、Teaching Aims
1、 Get some general ideas on how computers help CAAC
2、 Learn some useful words and expressions
3、 Be able to use the new words and expressions to make new passage
二、Teaching Procedure
Step I Warming up
1、 Ask those Ss who have computers at home what they use computers for
2、 Write those purposes down on the blackboard “Games, Word Processing, Programming, Internet, Chat, Drawing, Watching Movies, Making Flash Movies…”
3、 Ask Ss questions before they get to the text
1) What can computers do for CAAC?
2) How do the computers sell the tickets?
Step II Listening
Listen to the tape for Lesson 34 once
Step III Reading
1、 Ask Ss to read the text
2、 Answer the following questions without looking at the book
1)What is the computer used for in the CAAC?
2)What did people usually do when they wanted to buy a ticket before the use of computers?
3)How many the CAAC offices are there in the world?
4)Why do more people in China like to travel by plane?
5)Why do the people in the CAAC want to buy more computers?
3、 Ask the next student to correct the mistakes if any
Step IV Discussion
1、 Ask Ss to work in a group of four to discuss that whether computers are useful in our daily study of English
2、 Ask each group to present their idea and opinions
Step V Language Points
1、 Write down the useful expressions and ask Ss to explain and repeat the sentences teachers have given them
2、 Ask Ss to make a short passage by using the words and expressions they have learned One possible answer:
In my opinion, studying abroad is very good for those students who want to improve their language, because if they make a decision to go abroad to study, their English will be greatly improved. They also can correct their pronouncing mistakes. At one time, there was no chance for Chinese people to go to other countries. But now we can be a passenger on the plane to other country. We believe it is necessary to change our life for a better one.
3、 First, ask Ss to repeat the above passage
4、 Ask them to make a new one by using at least 3 of the new words and expressions they have learned
Step VI Homework
Ask Ss to write their new passage and hand in next time
探究活动
Discuss the questions:
1．What kind of machine is the computer? (wonderful)
2．What kind of invention is it? (important)
3．Why is there a lot of information in the computer?
(have a memory, store, take out)
4．What kind of work can they do? (people can do)
5．What do the students need to learn? (how to use the computer)
Computer 篇2
chapter 4 computer technology
(reading ii)
【学习目标】
一、知识与能力：
1.精读课文，在进一步理解课文内容的基础上，掌握课文重点词组与句型。
2. 灵活运用课文句型描述物品。
3. 课前完成对上一节课学习内容的复习。
4. 课堂听写重点单词1—15。
二、过程与方法：
1. 通过复习、预习和小组讨论来自主学习。
2. 通过讲解，在具体情境中掌握语言（词汇、句型等）。
3. 通过精读课文，来仿例表达，描述物品。
三、情感、态度与价值观
培养主动参与、小组协作精神
【学习过程】
[学习要求] 完成[课前复习与预习]部分练习，[课堂学习]部分为选做。
[课前复习与预习]
一。 复习课文新词，根据提示写出或翻译以下单词或词组。
1. 显示器____________________ 2. 喇叭_______________________
3. 两个鼠标________ ___________ 4. 打字_______________________
5. 键盘_________________________ 6. 驱动器_____________________
7. flash disk ______________________ 8. 控制________________________
9. 躲藏__________________________ 10. 极小的_____________________
11. 打印_________________________ 12. 意识到_____________________
13. 操作_________________________ 14. rarely _______________________
15. 铁路_________________________ 16. 法官________________________
17. 提出（问题）_________________ 18. 不知道的 ______ ________ ____
19. 目前 ______ ________ _________ __________
二、请在文中划出下列短语，朗读并结合下上文写出汉语意思。
p44. part a
1. use... for ..._______________ 2. type in information _______________
3. control the computer _________________
hidden helpers
4. hardly ever. _______________ 5. dependent on _______________
6. more... than … ______________________
what kind of jobs can a computer do?
7. in the world ____________________ 8. at the moment _______________
9. rarely give wrong answers _________________________
10. teach sb. sth. __________________ 11. play with __________________
12. more importantly ______________ 13. for these reasons _____________
is a computer cleverer than i am?
14. the answer to this question _____________________________
15. create new ideas _______________ 16. be able to ___________________
17. be better at doing sth ____________ 18. change one’s life _____________
19. have nothing to do ______________
20. make our lives better or worse_____________________________________
p45 title
21 collect some information _____________________
三、背记要听写的重点单词1—15。听录音跟读课文和单词5遍，注意语音语调。
[课堂学习]
i duty report and everyday english.
ii words dictation
iii homework checking and group learning
预习情况检查与交流。（小组讨论，老师点拨）
iv pre-reading
1. read the phrases.
2. game: who can read best?（revise the words and phrases.）
3. finish ex. c1 and c2.
iv while-reading
1. read the passage again and choose the right words to complete the passage.
tiny, type, hardly, operate, print, unaware, cleverer, better, being, lives, future, judges
not so many years ago, we could ________ ever see computers. but now they are everywhere. there are __________, hidden computers in your home, but you might be __________ of them.
computers can do a lot of things. they can calculate, ________, _________ and draw. more importantly, they can __________ railways and fly planes and spaceships.
a computer is not __________ than a man for the time _______. in the _________, they many even be ________ at doing their jobs than doctors, __________ and teachers. they will change our ________.
2. language points.
1) not many years ago, you hardly ever saw computers.
hardly ever: seldom
他的房间很肮脏因为他几乎没有打扫过。
ex. his room is very dirty because he ___________________________________.
tony is a good student and he hardly ever ___________________________.
(gets late/ sleeps in class/ talks in class/ throws rubbish on the floor...)
2) you are more dependent on computers than you realize.
be dependent on: 依赖，依靠
ex. 年轻人不应该总是依赖父母。
________________________________________________________________
realize: understand
ex. sometimes, we don’t ________ _________ ________ our parents love us.
有时候，我们没有意识到父母有多爱我们。
he ____________ his mistake and ________ ________ _______ his parents.
他认识到自己的错误，并向父母道了歉。
3) ..., but you don’t be unaware of them.
be unaware of: don’t know about
ex. the mouse was unaware of the cat coming.
= ___________________________________________________________.
4) they are faster at calculating than people.
=_____________________________________________________________
in the future, they may even be better at doing their jobs than doctors.
be better at doing sth. 在…（方面）做得更好
ex. people _______ ________ _____ __________ than ______________.
人在创造力方面（creating）要胜过电脑。
5) more importantly, they can operate railways and fly planes and spaceships.
更重要的是。
important (adj.) importantly (adv.)
ex. books can relax us. more importantly, ____________________
______________________________________________________________
6) for these reasons, we sometimes call them electronic brains.
for this reason: so
ex. ___________________， we should keep ____________ as a habit in our life.
因此根据这些理由，我们应该在生活中将阅读保持为一种习惯。
7) the answer to this question is, for the time being, ‘no’.
the answer to the question the key to the door
for the time being: at present
ex. 目前为此，没有很多人知道这个问题的答案。
__________________________________________________________________
8) this raises interesting questions.
raise: bring to our attention
ex. tony提出很多有关计算机的问题。
__________________________________________________________________
guess the chinese meaning.
every monday morning, we have flag-raising ceremony at school.
9) will we have nothing to do?
have nothing to do have sth. to do
ex. are lily and you free tomorrow? yes, i have _______ ______ _______.
但是lily 有很多作业要做。
but lily _______ a lot of ____________ _____________ _________.
10) will computers make our lives better or worse in the future?
make sb/ sth +adj.
ex. 读书让我快乐。_______________________________________________.
他所说的话使大家愤怒。
_____________________________________________________________
3. revise the sentences.
4.根据提示写单词或词组。
依赖，依靠____________________ 更重要的（是）____________________
没事可做______________________ 使我们的生活更好__________________
由于这个原因__________________ bring to our attention _________________
at present ______________________ seldom ____________________________
don’t know about ________________ understand _________________________
v post- reading
writing---- books
写作说明：请仿照 what kind of jobs can a computer do?一文，以books 为题写一篇作文，要求写出书对人的重要性，书的作用等。字数80字左右。
写前思考：
1. does everyone realize how important books are?
2. why do you think books are like friends?
3. what are the advantages of reading?
参考词： realize, best friend/ teacher more importantly,
for these reasons, make sb/ sth..., change our lives, have nothing to do
not many people like reading books. they don’t realize ________________________
______________________________________________________________________
_____________________
【课后思考】
discuss the last three questions in the text.
how will computers change our lives? will we have nothing to do? will computers make our lives better or worse in the future?
[homework]
1. 完成写作
2. 根据下一份学讲稿要求完成听读写的作业。
Computer 篇3
动词时态 一、经过前几个单元的学习，到这个单元为止，时态已经学完。按照要求，学生需要掌握下列几个重要时态。 1、一般现在时。 1》概念 其基本意义在于表示发生在包括讲话时间在内的动作或状态。 2》理解：本时态主要关注动作的经常性，强调动作表现的事实，或者是真理，而且和现在有关。 〈1〉表示客观真理，科学事实，格言，及其它各种不受时间限制的客观存在状况。 如： light travels faster than sound action speaks louder than words <2> 表示经常性或习惯性的动作。 如；our art teacher practises painting twice a day. tom often regularly drop in on the professor. <3> 表示现在的特征或状态。 如：he is always ready to help others. tom seldom rises at six. <4> 有when/ while/ until/ before/ as soon as/if /even if等引导的时间，条件，或让步壮语从句中，常用一般现在时。 如：when we get there,we'll call you. no one can go through with the task on time if it rains. i'll not attend her birthday party even if i am invited. <5> 在新闻标题，小说，戏剧，电影，图片等说明中，也经常用一般现在时。 如：the delegation of china gets a warm welcome in russia. the story is about a family---.the husband comes home from his office and tells the wife that he has invited a friend to dinner. 3》标志：often/always/usually/seldom./never..对上述壮语提问时，常用 how often...? 肯定句中，动词用第三人称单数形式。 如： ---how often does he visit the old man? —---never. 2.一般过去时 1》概念 本时态主要是表示过去的时间内发生的动词作或者是状态。 2》理解 强调过去动作的一次性和习惯性。 <1> 表示过去特定时间的一次完成的动作。 如： the old professor stepped into the classroom, opened the book, and began to read. we went to beijing and visited heaven temple. <2> 用它表示习惯性动作，往往用一定的时间状语或表示频度的状语。 如：we went to school together when we were boys and so we saw each other every day. there used to a temple in the village. 在日常会话中，我们也用一般过去时表示现在的时间。这种用法在讲话的口气上表现出婉转，客气的意味。 如： ---did you want me ? ----yes,i hoped you could give me a hand with the painting. 3》警示：除了表示明显的过去时间状语外，还有used to/would等暗示性词语。 如：when i was in london, often,i would have a cup of coffee after work. 注意：上句中的would 不能用 used to 代替。这两个词虽然都表示"过去常常",但would 常和时间连用，如 often, every day 等，而used to 不可以。 3。一般将来时 1》概念 表示将来要发生的动作。 2》理解 对未来事情的预见性，或者说明意图，打算。 <1> 用will 或shall +动词的形式表示对未来事情的预见性，又称为预见性将来时。 如： tomorrow will be fine . you will feel better after taking the medicine. <2> 用 be going to do表示将来。 用这种形式表示将来主要是说明现在的意图，打算，即表明眼前最近要去做的事情。又称之为近期将来。如：i'm going to post two letters after class./she is going to have a university degree. 如果这种结构用物做主语，也是一种预见，可以用will 代替。 如：it is going to rain watch out!the pill of boxes is going to fall. <3> 用be+going 表示将来 一般说来，用现在进行时表示将来所用的时间大都是动作动词，不适用于状态动词。用这种结构表示按计划要去做的事或发生的事情。 如：we're inviting several people to a party. the foreign ministry is coming to the un this week. the plane is taking off at 5:30 一般来说，be doing / be going to do 两种结构均可以表示将来，但有些区别。 比较：i am taking mary out for dinner tonight . i am going to take mary out for dinner tonight. 第一句表示计划已定不能改变，第二句表示打算未定只是一种想法而已。 <4> 用be+to do 表示将来时间 这种结构也可以表示按计划，随安排将要去做的事情或将要发生的动作。 如；the workers are to produce 5000 cars next year. the prime minister is to speak on television tonight. the line is to be open to traffic on october 1. 这种结构表示的将要发生的动作一般来说受人们意志控制或支配的。可以互换，但语意上有区别。如： we are going to play basketball this afternoon.<表示目前的意图> we are to play basketball this afternoon.<表示计划，安排或受人的支配>. 我们可以说：it's going to rain /the young man is going to be fat. 但不能说：it is to rain/the young man is to be fat. <5>用一般现在时表示将来。 如：next christmas falls on a tuesday the train leaves at 7:30 this evening . the plane takes off at 6:40. 3》警示 除了上述那些之外，也用be about to/be on the point of /be on the middle of/ 表将来。 如：the meeting is about to begin. we are on the point of going out ... 但值得注意的是这种形式不和将来的时间用在一起。我们不可以说they are about to leave this afternoon. 4。进行时 1》概念 表示某时某刻某阶段正在进行的动作。 2》理解 进行的动作包括现在，过去和将来。 <一> 现在进行时 本结构是am/is/are+doing构成的形式。这种时态表示的动作主要与现在时间有关系。有如下的用法。 <1> 表示此刻正在进行或发生的动作 常伴有时间状语。如：now/at present/ at the moment at present, the staff are holding a meeting. where are they having the basketball match ? <2> 表示现阶段正在进行的动作。 i usually get up at seven, but i'm getting up at six every day this week to prepare my lessons. selecting a mobile phone is difficult. the technology is changing . <3> 如果和表示频度的时间状语连用，不表示动作的进行，而表示动作的重复性，在语意上带有感情色彩。如： you are continually finding fault with me.<表不满》 he is always thinking of how he could do for the people《表赞扬〉 the old man is constantly complaining of his watch being slow.〈发牢骚〉 〈二〉过去进行时。 本结构是was/were+doing 构成的形式。它表示的状态或动作主要和过去的时间有联系，所以往往和表示过去的时间连用。 〈1〉表示过去某时刻正在进行的动作。如： what were you doing at ten last night? when i got up this morning, it was raining outside. <2> 表示过去某阶段中正在进行的动作。如： at that time, he was working in a pla unit. in those years he was having a happy life. <3> 在叙述故事的背景时，为了使故事的语言更加生动，让读者有身临其境的效果，多用进行时。如：one morning the three sisters were together in the drawing room.mary was sewing, alice was playing the piano, and jane was doing nothing, then suddenly the door opened... 正如现在进行时一样，过去进行时与表示频度的时间状语连用，也能表示某种情感色彩。 3》警示 进行时还常用在语境中，表示语气的委婉。如： ---what are you going to do? ---i'm hoping to invite you to dinner. 5.完成时。 1》概念 本时态是表示某动作或某过程在一定时间内处于完成的状态。 2》理解 完成时包括现在完成时和过去完成时态。构成分别为have<has> done/had done. <一>现在完成时。动作在过去发生，持续到现在已经完成，或者是继续持续下去。 <1> 已经完成的用法。其表明某动作或过程发生在说话前某个不明确的过去时刻，到目前一完成，并对目前造成影响。如：he has not been to shanghai/have you finished reading the story ? 本用法常和不确定时间状语连用。如：already/yet/before/recently/lately/just...等 i have seen him before we haven't been there lately 也可以和表示频度的时间状语用在一起。如：ever/never/once---等。 i have never been to hongkong. have you ever visited the great wall ? <2> 未完成的用法。本用法表示某动作或状态开始于过去某个时刻一直延续到现在，而且还要继续下去，在某种情况下也可能刚刚结束。常和 since/for/时间状语连用。如： he has been in the army for 3 years. he has lived in the building since he came here. 3》警示：如果不过since 引导的从句中的动词是延续性的，一般认为，语意上也表明动作或状态的结束。如： i haven't heard from him since he lived there. 从他离开那儿以来，我一直未收到他的消息。 he has written to me frequently since i was ill. 从我病愈以来，他常给我写信。 如果since引导的从句中的谓语动词用了现在完成时，那么表示的动作或状态就不表示完结。如： i haven't heard from him since he has lived there . 从我住在那里以来，我一直未收到他的来信。 he has written to me frequently since i have been ill. 从我生病以来，他常给我写信。 <二>过去完成时。本时态表示的是动作在过去的过去发生。它也分为“已完成用法”和“未完成用法”。 1>已完成用法。表示，当一个动作发生或结束时，在它之前的另一动作已经完成。这种用法既用于动作动词，也用于状态动词。如： when we arrived the cinema,the tickets have been sold out. tom flew home,but his father had already died. iwas told that the old man had been away for a week. 2>未完成用法。表明某个动作或状态在过去某个时刻之前一直延续到过去这个时间，而且还可能继续下去。它也使用于动作和状态动词。而且常和 by +过去时间 或从句 连用。如： by 12,he had studied for 4 hours. by we got there,they had ended the meeting. we had worked together for a long time before we came to this college . 3>警示：在by + 过去时间或从句的结构中，如果主句动词是动作动词，用过去完成时，如果是状态动词，用一般过去时。比较： by the end of last year,he was 12. by the end of last year,he had learned 300 english words. 另外，在---hardly---when/ ---no sooner---than---的句中，主句用过去完成时，从句用一般过去时。而且，如果hardly./no sooner 提前，主句需要部分倒装。如： i had hardly recoganized him when i saw him. hardly had i recoganized him when i saw him.
Computer 篇4
unit 3 computers
the 4th period: listening & speaking
goals:
1. to practise listening comprehension.
2.to practise making decisions and reasoning
teaching procedures:
step1. revision
1. check the homework exercises.
1). it has been reported that children will be offered free education.
it has been reported that free education will be offered to children.
2). it has been said that we will be offered the latest computer science course book.
it has been planned that the latest computer science course book will be offered to us.
3). i have been told by peter that i will be lent his notebook computer for a week.
i have been told by peter that his notebook computer will be lent to me for a week.
2. question: what can computers be used as?
step2. lead-in
as we know, science and technology is developing very fast and computers have become smaller and smaller. they have been used in many fields. so, the 21st century is the century of information technology what does it mean? does information technology/ it only mean things like computers? of cause not. actually, it means more than computers. computers are just one kind of it. what else do you know is part of it?
(tv, radio, cd-rom, dvd, books……)
step3. listening (sb)
1. pre-listening: what are the changes brought by different forms of it ?
what are the advantages and disadvantages of them ?
2. while-listening:
go through the chart and make sure the students look at the chart before they listen to the tape. (this is to sharpen their attention and listen for the answers. this will also help them get the gist of the text.) then listen to the tape and finish filling in the chart. (if necessary, play the tape for several times.)
say: after listening to their talk, we know all kinds of it have both disadvantages and advantages.let’s check the answers together.
type of it advantages disadvantages
tv you can both listen and watch. you cannot write to friends.
web you can find information. it is very expensive.
radio you can listen to english. you cannot watch a film.
book you can get information. sometimes it is out of date.
3. post-listening:
1) (pair work): decide which type of it is best for you to use right now. make your choice and give your reasons by using the following expressions.
i think that….
in my opinion, ….
i believe that….
i agree because….
i disagree because….
i’ve decided that….
2) (group work): discussion :
computers are useful and have brought us lots of good things, but they also cause bad effects. what attitude should we have towards the computer? (make good use of it but never get trapped by it.)
step4. speaking
1. pre-speaking
say: from what we have learn, we should admit that computers and the web have a great influence on the school education as well as people’s life. it has come into people’s everyday life and many families hold computers in their homes. now there is a task for you.
2. while-speaking
1) situation: you have been asked by your parents to help choose computers for your home. you and your friend have looked at several computers. talk about the special things each computer can do. make a decision about which kind of computer to buy and explain why.
information input: show students some pictures of different computers (desktop computer & laptop computer & …)
language input: useful expressions (repeat it to strengthen students’ ability of use it.)
supporting an opinion challenging an opinion
i think that … , because … perhaps, but what if / about …?
first, … have you thought about …?
one reason is that … what makes you think that …?
i think it is better because… i don’t like it because….
(pair work )use the expressions to support your opinion or challenging other’s opinions.
2) oral report: (individual work )
do an oral report to your father and start your report like this: i looked at many different computers. the one i have chosen is the pep personal computer. one of the main reasons is that it is suitable for homes. i found that…
3. post-speaking
conclusion—what useful expression do we use to make a decision and reason?
(in this way, they can review and use the words and phrases again.)
step5. homework
page 22. writing: write a report about your choice and try to use the present perfect passive voice as well as the useful words and expressions that have been mentioned above. in your report.
Computer 篇5
教学目标
Teaching aims and demands
本单元有关电脑的知识使用学生对其有一个初步的了解。让学生了解有关中国民航运用计算机的情况。并学习如何使用向对方提建议的口语练习，通过单词的学习掌握go up, bring down, prefer to and, but although等词的用法。本单元的语法重点是现在完成时被动语态的使用，要求学生能够了解和掌握。
Teaching important and difficult points
1.Important Vocabulary:
although, waste, believe, necessary, passenger, record, at one time, greatly, correct, complete, decision, abroad, change for
2. Daily Expressions:
First of all, …
I believe…
Any reason?
3. Useful phrases:
It would be a waste of …
In my opinion, we should …
4. Grammar
The present perfect passive voice.
教学建议
1. 通过对话练习，进行两个人之间对建议和推荐的用法。
2. 通过课文的学习，掌握本单元的词和词组的用法。
3. 通过对课外补充文章的学习，对计算机的历史和应用有所了解。
Lesson 33: 口头练习：对话交际功能——日常生活用语。
Lesson 34: 学生进行对文章编成对话练习。练习直接引语变间接引语。
Lesson 35: 学生继续练习对话。可以扮演CAAC的领导和记者，或计算机经销商和单位领导，或电视节目主持人和中学生等等。
Lesson 36: 笔头练习：让学生写一篇关于自己生活中计算机的使用的文章，或对计算机在人们生活中应用的畅想。
教材分析
本单元的对话的特点是通过两个人对买何种计算机的讨论，从而掌握如何进行对一个物品进行评价、表达自己的观点，并提出建议。比如常见的口语用法：In my opinion, we should… / What’s your opinion?/ I don’t think it’s necessary to …/ I believe …/ I still think … 就在这个对话中经常出现。同时还有很多其它有用的口语，比如：First of all…/ in a few years’ time/ a waste of …/ make a decision/ not … any more
本单元的课文不仅讲述了计算机的应用对CAAC的帮助，而且中间穿插了很多现在完成进行时的被动语态的用法，使得学生能够正确地掌握这个语法的用法。同时对一些常见词和短语进行理解。比如：join, be used to do, thanks to, abroad, spend… on sth., prefer to do, welcome.
重点知识讲解
1. Today they are talking about buying a new computer. 今天他们谈论买一个计算机。
这里的talk about的意思是“谈论；谈及到；讨论”，后面通常加上名词或动名词。
We talked about it yesterday.
I want to talk about the price of the car with you.
2. Did you find out the price for the IBM PC 486? 你找出IBM PC 486的价格了么？
这里的词组find out和find都是表示“找出”，都是一个结果。但是两种也有区别：如果表示意外发现，通常用find。比如：
I found this wallet outside the classroom.
What did you find just now?
如果要表示经过一番努力或研究得出的结果的时候，find和find out都可以，但通常用后者。比如：
I finally found out the secret of his death.
She wanted to find out the real answer to the question.
3. I’ve got the information for all the computers now. 我已经得到了所有计算机的信息了。
这里的information同news一样是一个不可数名词。后面通常加上for或about，前面通常加上一些修饰不可数名词的形容词。比如：
Do you have any information about the new machine.
4. In my opinion, we should buy the IBM PC 586. 依我看来，我们应该买IBM PC 586。
这里的in one’s opinion表示的意思是“依…来看；…的意见是”。需要注意两点：1）后面不加I/he…think(s)。不像中文里可以说“依我看来，我觉得…”。在英语中这两种用法不同时出现。比如：
In my opinion, you are the best student. 不能说成 In my opinion, I think you are the best student.
2)后面不加客观事实。因为这里应是一个推断或主观的意见，比如：
In my opinion, the earth is round. (错误句子)。
In my opinion, you are right. (正确句子)
5. If we buy the smaller one, the IBM PC 486, we might have to change it in a few years’ time for a bigger one. 如果我们现在要是买了the IBM PC 486，几年以后我们肯定要换一个更大的计算机。
这里的词组change… for…表示的意思是“将…换成…”。比如：
I want to change this small hat for a bigger one.
6. I hope we can make a decision today. 我希望我们今天能做出决定。
这里的词组是make a decision(做出决定)。等于decide to do。比如：
Did they make a decision yesterday?
另外也可以用come to a decision, arrive at a decision来表示同样的意思。比如：
They finally came to a decision at the meeting.
7. It is used to record the tickets which passengers buy. 它还记录下游客购票的情况。
句子中的be used to的意思是“被用来…”，是一个被动语态，后面加上动词原型。
The water her is used to make the trees alive.s are used here to play games on.
8. Now it is possible to find out much faster which planes are full. 现在要找到哪架飞机满了比以前要快多了。
这里用了一个much表示一个程度。通常在much, even和still后面加上一个形容词或副词的比较级形式。比如：
I am much heavier than before.
She is much happier than she was two years ago.
9. Thanks to the new computer, the passengers at the offices of the CAAC can now buy their aeroplane tickets much faster. 由于使用了新的计算机，乘客在中国民航购票快多了。
句子中的thanks to是一个常见的短语，表示“由于；幸亏”，相当于because of, 或者as a result of表示原因。比如：
Thanks to your help, I was able to win the game.
They lost the game thanks to the foolish advice you gave them.
10. At one time, there were long queues of people waiting outside the CAAC offices. 以前，中国民航办公室前等着购票的人们排成长长的队列。
词组at one time表示的意思是“以前；曾经”。比如：
At one time we met each other every day.
He went to that restaurant to have dinner at one time.
11. These people will be welcome on our planes. 我们欢迎这些人来乘坐我们的飞机。
这里的welcome在这句话中是一个形容词，表示的意思是“受欢迎的”，后面常加的是不定式。比如：
You are welcome to do anything you like.
Welcome to Beijing.
welcome这个词也可以是名词。比如：
They received a cold welcome when they arrived.
同样welcome也可以作为一个及物动词，但后面不加不定式，而且过去式和过去分词都是welcomed。比如：
All the students welcomed the visiting friends at the school gate.
12. In my opinion, we should buy the IBM PC 586. 依我看来，我们应该买IBM PC 586。
这里的情态动词should表示的意思是“应该”，通常用在表示建议的句子中。比如：
I should go home before 6 o’clock.
You should not ask others to do your homework.
13. If we buy the smaller one, the IBM PC 486, we might have to change it in a few years’ time for a bigger one. 如果我们现在要是买了IBM PC 486，几年以后我们肯定要换一个更大的计算机。
这里的if是一个条件句。后面出现的两个逗号之间的东西从位置上说是一个插入语，从成份上来说是一个同位语，是对前面的名词the smaller one进行解释。我们通常用一个名词性短语或从句来作为同位语
14. I don’t think I it’s necessary to buy the bigger one.我想没必要买较大的那个。
我们通常在think, suppose, expect, imagine等表示心理活动的动词后面不加否定含义的宾语从句。如果后面的从句使一个否定句，我们常常将从句谓语动词的否定是转移到主句的谓语动词之前。比如：
I don’t think I can get away at the moment.
I don’t suppose you need to worry.
I don’t think I know you.
15. The IBM PC 486 will be big enough for us. IBM PC 486对我们来说就够大的了。
句子中的enough可以是形容词，也可以是副词。通常我们将enough放在名词前面或形容词或副词的后面。而且通常在后面再加上不定式。比如：
I don’t have enough money to buy a house.
I am not rich enough to buy a house.
16. We mustn’t waste any more time. 我们不可以在浪费更多的时间了。
这里的情态动词mustn’t表示的不是“必须不”而是“不可以；不允许”。通常用在命令的句子中。比如：
You mustn’t talk in class. It is not a good habit.
We mustn’t go there because it is dangerous.
17. We must decide which one to buy. 我们必须决定买哪一个。
这里的which one to buy为特殊不定式短语，在句子中做decide的宾语。特殊不定式的构成形式为“关系代词或关系副词+动词不定式”。常用的关系代词有：what, which, who, whether等；常用的关系副词有how, when, where, why等。比如：
We haven’t decided what to do next.
I don’t know how to write in English.
I will ask when to start tomorrow morning.
She will ask where to live.
18. At one time, there were long queues of people waiting outside the CAAC offices. 以前，中国民航办公室前等着购票的人们排成长长的队列。
这里的waiting是一个现在分词，在句子中做people的定语，放在名词后，相当于一个定语从句。比如：
The foreigner talking with our teacher is head of the visiting group.
The man running after the bus is a friend of mine.
19. As a result, the number of people who travel by plane in China is larger than ever before. 因此，在中国乘飞机旅行的人数比以往多了。
这句话中的as a result的作用相当于一个副词，意思相当于so。比如：
He hurt himself. As a result, he couldn’t go to school.
这句话中的the number of 的中心词是number，说明谓语动词肯定是单数的。比如：
The number of the books in this bookshop is more than 200,000.
20. 我们在很多句子中都用一个代词来代替前面提到的名词，常见的有one, it和that。这三个词都是代词的时候的区别：
1, one=a/an +noun 所代表的是前面提到的同类中的任何一个
He has no book and no money to buy one.
The hat is too small. Please show me a larger one.
2, it=the/this/that/adj.+ noun 指同一件事物
He has a book, but he will not lend it to me.
I drank some iced water, but it made me more thirsty.
3, that =the + noun 指前面所提到的同一类中的另外制定的一个。
The air of the country is purer than that of the city.
比较下面三句话：
I cannot find my umbrella; I think I must buy one.
I cannot find umbrella; I don’t know where I put it.
The umbrella you bought is cheaper than that I bought.
Computer 篇6
period 4 listeningthe general idea of this period：this period includes listening and writing on page 21；listening on page 55 and listening task on page 58.apparently，the purpose of this period is to train the students’ listening—for information；for comprehension and for ，the students will be trained to express their own opinions after aims：1.help the students to learn about the knowledge of information technology.2.enable the students to get the main ideas of the listening important and difficult points：1.how to get the main idea and information in details.2.express their own opinions after methods：1.task-based learning.2.cooperative aids：1.a tape recorder.2.a procedures：step 1 revisioncheck the students’ the students to work together with their partners to interview each other.step 2 listening and writing （page 21）task 1 listen to a conversationt：class，as we all know，the 21st century is the century of information and we will listen to a conversation about different kinds of information technology or it.and as we know，each kind of information technology has its own advantages and disadvantages.so from this conversation we will listen for the advantages and disadvantages of each one.but before listening let’s first look at the pictures on page 21 and the form on page 22 to make sure what you are going to do while listening.ok，let’s begin.the students listen to the conversation for the first time.task 2 discussion and fillingt：you can see there are a tv，a cd-rom，a computer，a radio，a dvd and newspaper try to finish filling in the form with the information you have just got from the conversation.suggested answers：
type of it
advantages
disadvantages
tv
you can both listen and watch
you can’t write to friends
web
you can find information
it’s very expensive
radio
you can listen to english
you can not watch
book
you can get information
sometimes it is out-of-datet：now，let’s discuss the advantages and disadvantages of each type of it in small groups and then decide which type of it is best for you to use，according to the form above and explain the reasons.while discussing，remember to use the following expressions：i think that...in my opinion...i believe that...i agree because...i disagree because...i’ve decided that...step 3 listening （page 55）t：now come to the listening on page 55.before you listening，please read the requirements of ex.1.after that，you will find the three robots from the pictures above on page 55 and number them.the possible number：picture 1—no.3 picture 3—no.2 picture 4—no.1t：now please look at these boxes on page 55 before you listen to the tape again，and try to find out the listening points.pay more attention to these points and you may make some notes while listening.three minutes later.t：now try to fill in the boxes with the information from the listening material，and then check your answers with your partners.suggested answers：
personal robot
information
size
35 cm
what it looks like
robot with five arms
what it can do
all homework
price
50 yuan a day
bird-like android
information
size
10 cm
what it looks like
bird-like android
what it can do
sings beautifully
price
600 yuan
lonely android
information
size
2 m
what it looks like
large，energetic robot
what it can do
climbs mountains；plays guitar；sings karaoke
telephone number
room-1234step 4 listening task （page 58）t：now please turn to page 58，and finish the listening task.as we know，computers are used widely and put into androids.please look at the pictures above.there are two androids in works as a maid.the other works in a car factory.they are friends and they were made at the same they are talking about their lives and what it feels like to be android.ok，please listen carefully to their problems and fill in the form.i’ll play the tape twice.after listening.t：try to fill in the forms as quickly as you can，and then we will check the answers in class.suggested answers
sally and brenda’s problems
about their jobs
their programmer decided them
about changing their jobs
they are not able to change jobs
about who decides their future
their programmer does
about how they are different from people
they can not smell，laugh，taste，or eat food
about how they are the same as people
they enjoy footballt：from what we have just listened，we know that sally and brenda have some troubles in their lives.they are treated you are going to make a list of the rights that androids should have so that they will be treated better.you can work with your partners and have discussion.suggested answers：1.they should be able to choose the work they do.2.they should have their own time.3.they should be able to change their jobs.4.they should be able to decide their own future.5.they should be able to taste，smell，feel，etc.step 5 assignmentt：class，i really appreciate your good performance in this listening class.i can see that your listening has greatly improved since you came to the senior school.keep on your good work!ok，we have no time left.i’d like to assign you some homework to do.1.go over the listening and writing on page 21 and get ready for the writing.step 6 the design of the writing on the blackboard
unit 3 computers
period 4
type of it
advantages
disadvantages
tv
you can both listen and watch.
you can’t write to friends.
web
you can find information.
it’s very expensive.
radio
you can listen to english.
you can not watch.
book
you can get information.
sometimes it is out-of-date.
personal robot
information
size
35 cm
what it looks like
robot with five arms
what it can do
all homework
price
50 yuan a day
bird-like android
information
size
10 cm
what it looks like
bird-like android
what it can do
sings beautifully
price
600 yuan
lonely android
information
size
2 m
what it looks like
large，energetic robot
what it can do
climbs mountains；plays guitar；sings karaoke
telephone number
room-1234step 7 record after teaching
Computer 篇7
第一步 引入话题
1. give some pictures such as tv, computers, cd-rom, dvd, radio and newspaper. ask the students to decide which is the form of it.
2. make it clear that all the things mentioned just now are different kinds of it, and they all can bring a lot of new information to us.
3. ask students to rank, choose, which they think is the most useful one.
4. on the blackboard, draw the following form, and write the expressions of giving opinions and reasoning in it, and make sure the students understand the chinese meanings.
giving opinionsi think that...
in my opinion...
i believe that...reasoningi think this one is better, because...
i don't like this one, because...
the advantage /disadvantage is...
5. let students to talk about the advantages and disadvantages of each kind of it, using the expressions of giving opinions and reasoning.
第二步 任务1：听力训练（双人活动）
page 22, listening, one student writes down the answers to “advantages”; the other writes down the answers to “disadvantages”。
ex-change the information in pairs, and listen to the tape again.
let students have the correct answers.
give 2 or 3 minutes to the students to ask questions if they have any.
第三步 任务2：销售你的电脑（小组活动）──可用该活动取代书第 22 页上speaking and writing 中的活动。
1. ask students to work in groups, discuss how to sell their computers to the english teacher.
2. write the basic form of present perfect passive voice on the blackboard.
3. give students the following situation:
suppose the teacher is considering buying your computers, work in groups to write a report to persuade him or her, and give at least give 3 reasons, using present perfect passive voice and the expressions of giving opinions, reasoning and making a decision.
(为了保证学生准备充分，在时间上应该有保证；在活动的过程中，老师应该提醒学生要在他们的讨论中注意用上现在完成时的被动语态。)
4. share some of the reports with the whole class.
第四步 任务3：设计你自己的机器人（小组合作）
1. watch part of movie, bicentennial man (中文译名《铁甲再生人》或《变人》), (说明：片段选取可以从两姐妹在海边玩耍，而 andrew 在旁边照看她们开始， 到 andrew 为向小小姐道歉，用树根雕刻了一匹小马给她，并且得到了她的原谅为止。该片段可以让学生大致了解到机器人在人类的日常生活中可以做的事情。如果该电影无法找到， 可以从网站 下载一些不同种类的机器人的图片， 也可以达到同样的目的。)
2. ask students: “if you have a chance to design your own androids, what would you like your own android to be?”
3. in the form on the blackboard, add the expressions of making a decision.
giving opinionsi think that...
in my opinion...
i believe that...reasoningi think this one is better, because...
i don't like this one, because...
the advantage /disadvantage is...making a decisionlet's make our decision...
i've decided...
4. ask students to work in groups, and discuss how to design their own androids. remind them of using the expressions of giving opinions, reasoning and making a decision in their discussion.
5. share with some ideas with the whole class.
one possible version:
we have decided that our android will look like a middle-aged woman. we think this is better because we want her to do housework for us. we are busy students, and we have a lot of homework to do, so in our opinion, an android like mother will be helpful to us. we hope she can cook for us, clean the bedroom for us, wake us up, and drive us to school.
第五步 作业布置
p23 writing
requirement: try to use the expressions of reasoning and making a decision.
Computer 篇8
unit 6 i’m going to study computer science知识点整理
一、词组、短语：
1、grow up 长大，
2、every day每天，
3、be sure about对某事确信，
4、make sure 确信/有把握，
5、send…to…把…发送到…/把…寄…，
6、be able to 能/能够 ，
7、 the meaning of …的意思/含义，
8、 different kinds of 不同种类的，
9、in common通常，
10、 at the beginning of 在…开始的时候，
11、write down写下/记下，
12、 have to do with必须处理某事，
13、take up 开始从事/着手处理/接受，
14、 hardly ever 几乎不，
15、too…to…太而不能
二、习惯用法、搭配
want to do sth. 想做某事，
be going to + 动词原形：将要做某事，
practice doing sth. 练习做某事，
keep on doing sth.继续做某事，
learn to do sth. 学会做某事，
finish doing sth做完某事，
promise to do sth.答应做某事，
help sb. to do sth.帮助某人做某事，
remember to do sth. 记住要做某事，
agree to do sth.同意做某事，
love to do sth.喜欢做某事，
be going to 的用法
1） be going to + 动词原形——表示将来的打算、计划或安排。常与表示将来的tomorrow, next year等时间状语或when 引导的时间状语从句连用。各种句式变换都借助be 动词完成，be随主语有am, is, are 的变换，going to 后接动词原形。
肯定句： 主语 + be going to + 动词原形 + 其他。he is going to take the bus there.
否定句： 主语 + be not going to + 动词原形 + 其他 i’m not going to see my friends this weekend.
一般疑问句： be + 主语 + going to + 动词原形 + 其他
肯定回答： yes, 主语 + be. 否定回答： no, 主语 + be not.
are you going to see your friends this weekend? yes ,i am. / no, i’m not.
特殊疑问句： 疑问词 + be + 主语 + going to + 动词原形 + 其他？
what is he going to do this weekend? when are you going to see your friends?
2) 如果表示计划去某地，可直接用 be going to + 地点
we are going to beijing for a holiday.
3) 表示位置移动的动词，如go , come, leave 等常用进行时表示将来。
the bus is coming. my aunt is leaving for beijing next week.
4) be going to 与 will 的区别：
① 对未来事情的预测用“ will + 动词原形”表达，will 没有人称和数的变化，变否定句要在will 后面加not,
也可用will 后面加 not,或者缩略式won’t, 变一般疑问句将will 提至 句首。
will planes be large in the future? yes, they will. / no, they won’t.
②will 常表示说话人相信或希望要发生的事情，而be going to 指某事肯定发生，常表示事情很快就要发生。
i believe lucy will be a great doctor.
③ 陈述将来的某个事实用will. i will ten years old next year.
④表示现在巨大将来要做的事情用 will. i’m tired i will go to bed.
⑤ 表示意愿用will. i’ll tell you the truth.
⑥ 表示计划、打算要做的事情用 be going to, 而不用 will.
i’m going to buy a computer this month.
---let’s discuss the plan, shall we? ----not now. i ______ to an interview. a. go b. went c. am going d. was going
------jack is busy packing luggage. ---yes. he ____for america on vacation. a. leaves b. left c. is leaving d. has been away
三、重要句子（语法）
what do you want to be when you grow up? i want to be an engineer.
how are you going to do that? i’m going to study math really hard.
where are you going to work? i’m going to move to shanghai.
when are you going to start? i’m going to start when i finish high school and college.
四、词语辨析
1 promise vt. 保证，许诺。有三种结构：
1)promise to do sth. ——my mother promised to buy a piano for me.
2)promise sb. sth. ——my aunt promised me a bike.
3)promise + that 从句——tom promises that he can return on time.
promise n. 允诺， 诺言 lily is a dishonest girl. she never keeps a promise.
2.when 与 while 的区别：
when 表示“当…时候”，既指时间点，又指一段时间，when 引导的时间状语从句中的动词可以是终止性的也可以是延续性的。when the teacher came in, the students were talking.
when she arrives, i’ll call you.
while 表示“当…时候”，仅指一段时间，从句中的动作必须是延续性的，一般强调主从句的动作同时发生， while 还可以作并列连词，意为“ 而、却”，表示对比关系。
lisa was singing while her mother was playing piano.
tom is strong while his younger brother is week.
3. practice vt. 练习， 后接名词，代词或v-ing 作宾语。
your elder sister is practicing the guitar in the room.
常跟v-ing 作宾语的动词有：
考虑建议盼原谅：consider, suggest/advise, look forward to, excuse, pardon.
承认推迟没得想： admit, delay/put off, fancy.
避免错过继续练：avoid, miss, keep/keep on, practice.
否认完成能欣赏： deny, finish, enjoy, appreciate.
不禁介意与逃亡： can’t help , mind, escape.
不准冒险凭想象： forbid, risk, imagine.
4. everyday 与 every day 区别
everyday adj. 每天的 在句中作定语，位于名词前。 this is our everyday homework.
every day 副词短语， 在句中作状语，位于句首或句末。 he reads books every day.