新牛津深圳版八年级英语上册Unit-3-Reading-ppt课件.ppt

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1、Module 2 Science and technology,Unit 3Computers,Reading,Computer facts,ordercomparemonitorspeakermain unitkeyboardmousetype,n.订货；订购v.比较；对比n.（计算机）显示器n.扬声器n.（计算机）主机n.（计算机）键盘n.（计算机）鼠标v.打字,Word Review,braincontrolexpensivetinydependspeedoperaterailway,n.脑v.操纵，控制（机器或系统等）adj.昂贵的；价格高的adj.极小的；微小的v.依靠；依赖n.速度

2、v.操作；控制n.铁路系统,Word Review,Can you imagine that what kind of computer we will use in the future?Watch the video.,视频欣赏,To understand the structures of a computer and can read aloud the name for each part of a computer2.To learn some key words and useful expressions 3.To learn about the development of

3、computer,Objectives：,I am very old now.I was born in China.Many people used me for calculating in the past,but now I am a bit lonely because they dont like me now.Do you know who I am?,abacus,Riddles(谜语),Lead-in,I am very small.I can be used for calculating.In China,a lot of students use me when sol

4、ving mathematical problems.Do you know who I am?,calculator,PC Personal Computer,Im a small,relatively inexpensive computer designed for an individual user.Im based on the microprocessor technology.At home,people use me to surf the Internet and play games.Do you know who I am?,abacus,calculator,PC,P

5、re-reading,A What do you know about.?,How much do you know about computers?Look at the photo below and complete the sentences with the correct names.,p34A,monitor,keyboard,mouse,main unit,1 The _ shows words and pictures.2 We use the _ for typing.3 The“brain”of a computer is in the _.4 We move the _

6、 to control the computer.5 We hear sound from the _.,monitor,keyboard,main unit,mouse,speakers,p34A,B Before you read,Look at the pictures,the title and the sub-headings of the article on page 35.Then tick()the facts that the article probably talks about.,Computers are getting smaller and better.2.C

7、omputers can do important jobs like flying planes.3.Computers may work as doctors.4.Computers are expensive.,p34B,Computer facts,Reading,1.When was the first computer invented?2.Were computers big or small in the 1940s?3.Who can calculate at a faster speed,a man or a computer?4.What important jobs c

8、an a computer do?5.Why cant computers be cleverer than us?,Read the passage and answer questions.,1.When was the first computer invented?In the 1940s.2.Were computers big or small in the 1940s?They were big.3.Who can calculate at a faster speed,a man or a computer?A computer.,Answers:,4.What importa

9、nt jobs can a computer do?It can operate railways and fly planes and spaceships.5.Why cant computers be cleverer than us?Because our brains can produce new ideas but computers cant.,Now listen to the passage.,Finish the following form according to the Reading Part.,better,tiny,calculate,operate,clev

10、erer,C Vocabulary,p36C,C1 The words in italics explain the meanings of some words on page 35.Find these words to complete the sentences.Change their forms if necessary.,1 If something is very small,it is _.(line 5)2 Some young people always need help from their parents.They should learn to _ themsel

11、ves.(line 8)3 We had fun and learnt something new as well.We had a good time._,we leant a lot.(line 14)4 When we make a machine work,we _ it.(line 16),tiny,depend on,In addition,operate,C2 Complete the conversation below with the words from the box.,depend on expensive in addition speed,Mark:I bough

12、t a new computer.Helen:Why?Mark:I bought my first computer five years ago.I used it almost every day,and it became really slow.Helen:I see.So hows your new computer?Mark:It was really(1)_,but it works at a much faster(2)_ than my old one.(3)_,it has a larger monitor.Helen:I also(4)_ my computer a lo

13、t these days.I use it tow write reports,and to get on the Internet too.My computer works well,so Im not going to buy a new one.,expensive,speed,In addition,depend on,D Comprehension,p37D,1 S1:There may be tiny computers in your home.S2:Where,for example?S1:Inside you _ or _.2 S1:We can do many thing

14、s with computers in our daily life.S2:For example?S1:We can _,_ and _ with them.,D1 Read the article on page 35 and complete the answers with the examples from the article.,TV washing machine,calculate type draw things,3 S1:Computers can do some important jobs.S2:For example?S1:They can _ and _.4 S1

15、:One day,computers may be able to do a better job than human beings.S2:For example?S1:They _.,operate railways fly planes and spaceships,may be better than doctors at doing their job,D2 Read the article again and answer the questions below in complete sentences.,What were the first computers like?_2

16、.Why are we unaware of some computers?_3.Are computers cleverer than you and me?Why or why not?_,They were bigger than cars.,Because they are tiny.,No.Because our brain can produce new ideas but computers cannot.,D3 Discuss and answer the question below with your classmates.,1 Do you depend on compu

17、ters a lot in your daily life?Give examples.2 Do you agree that computers will be able to do all our jobs in the future?Give reasons.,1.We use the keyboard for typing.use for doing sth.意为“用来做某事”，相当于use to do sth.。如：We use wood for making paper and furniture.我们用木头造纸、做家具。=We use wood to make paper and

18、 furniture.另外，我们也可以用use for sth.这样的结构。如：She decided to use it for a gift.她决定用它做礼物。,Language points,2.Now computers are becoming smaller and better.这个句子中，smaller 是 small 的比较级，better是good的比较级。这种结构为“比较级+and+比较级”，表示“越来越”。类似的用法还有：Computers are getting smaller and better.,The kite flies higher and higher.

19、风筝飞得越来越高。加more变成比较级的形容词或副词，使用这个结构时应为：more and more+形容词/副词原形。,Computers become more and more important in our daily life.,calculate及物动词,常作“计算”、“核算”讲。如：Well need to calculate the overall costs.我们需要算出总费用。He calculated at a faster speed than any other students in his class.他比班里任何一个同学都算得快。calculate 还有“估计

20、、预测、推测”的意思。如：She calculated how much gas we needed for our trip.她估计我们这次旅程需用多少天然气。,3.We can use computers to calculate.,4.In addition,computers can do important jobs like operating railways and flying planes and spaceships.in addition 意为“除以外（还）”，用来引出另一种情况作为补充。如：There are many shops around the railway

21、 station.In addition,there are some hotels.火车站附近有很多商店。此外，还有一些旅馆。The garden has a lot of flowers.In addition,it has some vegetables.这个花园有大量的鲜花。此外，还有一些蔬菜。,另外，in addition to是介词短语，后面跟名词或代词等作宾语，也意“除之外（还）”。如：In addition to English,he has to study a second foreign language.除英语外，他还得学一门第二外语。,5.Computers may

22、change our lives,but will they make them better?“make sb./sth.+形容词”意为“使某人/某物”。与make相关的常用结构还有make sb.do sth.，意为“使某人做某事”。如：The nice food makes me hungry.这么好的食物使我饿了。We must make him work harder.我们必须使他更加努力工作。,Let the word fly,Tips for teacher,Let the word fly 板块是帮助学生学习一些一词多义、熟词生义的词汇。通过此环节，学生可以对一些常见 词的用法

23、、意思有一个透彻的了解。,GIVE,1.give up 放弃;戒绝要放弃这份工作，真是遗憾。It is a pity to give up the job.你应该戒烟，我去年就戒掉了。You ought to give up smoking,I gave it up last year.2.give away 赠送;分发She gave away all her money to the poor.她把钱都送给穷人了。3.give sb.a ring 打电话给某人Ill give you a ring tonight.今晚我会打电话给你。,4.give out 分发;用尽要放弃这份工作，真是遗

24、憾。He gave out books.他分发书本。Our food supply has given out.我们的食物耗尽了。5.give back 分发;用尽Mom!Tell Josh to give me my pens back!妈！告诉乔西把我的几支笔还给我！6.give off 发出（气味、光、热、声音等）The food gave off a bad smell.食物已经发臭了。,口语中出现的 give 高频词组：1.give sb.a hand 帮助某人做某事2.give somebody a free hand 放手让某人干3.give somebody a/the gla

25、d hand 热烈欢迎某人4.give oneself airs 装模作样5.give somebody a lift 让某人搭车6.give something a miss避开(某物),略去(某物)7.give/lend an ear to 倾听；注意8.give somebody the green light 允许某人做某事,从上面给出的例句我们可以看到 give在口语中随处可见它的身影。大家想一想与 give 相关的搭配或口语表达,选择几个进行造句或对话练习。,活学活用,Now 2 minutes to test your spelling.,Spelling Bee,1.Engli

26、sh-Chinese monitor,keyboard,mouse,tiny,depend2.Chinese-English 订货，比较，打字，脑，操纵，昂贵的，速度，操作，铁路,When finished,exchange your papers to see who does the best.,I.根据所给的汉语提示，完成下列句子。1.书是我们的朋友，它们能使我们快乐。Books are our friends and they can _.2.现在，世界上的许多地方缺水。Many places in the world _ _ _ water now.3.我认为手机比相机要有用得多。I

27、 think a mobile phone is _ _ _ _ a camera.,make us happy,are short of,much more useful than,4.我跑着追那辆公共汽车，可是没能追上。I ran after the bus,but I _ _ _ catch it.5.那个杯子由塑料制成。That cup _ _ _ plastic.6.你日常生活中常常对手机依赖吗？Do you _ _ your mobile phone a lot _ _ _ _?,wasnt able to,is made of,depend on,in your daily li

28、fe,II.仔细分辨下列单词或词组，并用其适当形式完成下列各句。(a)with;by;in1.Can you sing this song _ English?2.What do you usually do _ your computer?3.The man goes to work _ bus every day.,in,with,by,(b)be able to;can4.Sandy _ play the piano when she was four years old.5.Ill _ speak English in another two months.,could/was able to,be able to,Homework,Remember new words and phrases by heart after class.2.Read the articles in Learning English.The more you read,the faster and better youll understand.3.Preview Listening on page 38.,