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、ReadingComputer factsordercomparemonitorspeakermain unitkeyboardmousetypen.订货；订购订货；订购v.比较；对比比较；对比n.（计算机）显示器（计算机）显示器n.扬声器扬声器n.（计算机）主机（计算机）主机n.（计算机）键盘（计算机）键盘n.（计算机）鼠标（计算机）鼠标v.打字打字Word Reviewbraincontrolexpensivetinydependspeedoperaterailwayn.脑脑v.操纵，控制（机器或操纵，控制（机器或系统等）系统等）adj.昂贵的；价格高的昂贵的；价格高的adj.极小的；微小

2、的极小的；微小的v.依靠；依赖依靠；依赖n.速度速度v.操作；控制操作；控制n.铁路系统铁路系统Word ReviewCan you imagine that what kind of computer we will use in the future?Watch the video.视频欣赏视频欣赏1.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、 3.To learn about the development of computerObjectives：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?abacusRiddles(谜语谜语)Lead-inI am very small.I can be used for calculating.In China,

4、a lot of students use me when solving mathematical problems.Do you know who I am?calculatorPC Personal ComputerIm 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 wh

5、o I am?abacuscalculatorPCPre-readingHow much do you know about computers?Look at the photo below and complete the sentences with the correct names.p34Aspeakersmonitorkeyboardmousemain unit1 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 speakersp34ALook 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.1.Computers are getting smaller and better.2.Computers can do impo

7、rtant jobs like flying planes.3.Computers may work as doctors.4.Computers are expensive.p34BComputer factsReading1.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 can a computer do?5.Why c

8、ant 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.4.What important jobs can a computer do?It can ope

9、rate 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.Aspect(方面方面)FactSize Computers are becoming smaller and(1)_ now than thos

10、e in the past.There is probably a(2)_ computer inside your TV or washing machine.better tiny UseComputers can(3)_ and they almost never give wrong answers.People can use computers to type and draw things.Computers can even(4)_ railways and fly planes and spaceships.calculate operateFutureComputers m

11、ay do better in some jobs one day,but they cant be(5)_ than human beings.clevererp36CC1 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 alway

12、s need help from their parents.They should learn to _ themselves.(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 operateC2 Complete the conversation below with the words from

13、the box.depend on expensive in addition speedMark:I bought 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)_,

14、it has a larger monitor.Helen:I also(4)_ my computer a lot 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 onp37D1 S1:There may be tiny computers in your home.S2:Where,for example?S1:Insid

15、e you _ or _.2 S1:We can do many things 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 things3 S1:Computers can do some important jobs.S2:F

16、or example?S1:They can _ and _.4 S1: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 jobD2 Read the article again and answer the questions below in complete sentences.1.Wha

17、t were the first computers like?_2.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 classm

18、ates.1 Do you depend on computers 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.意为意为“用用来做某事来做某事”，相当于，相当于use to do sth.。如如：We use wood for making paper and furniture.我们

19、用木头造纸、做家具我们用木头造纸、做家具。=We use wood to make paper and furniture.另外，我们也可以用另外，我们也可以用use for sth.这样的结这样的结构。如：构。如：She decided to use it for a gift.她决定用它做礼物她决定用它做礼物。2.Now computers are becoming smaller and better.这个句子中，这个句子中，smaller 是是 small 的比较级，的比较级，better是是good的比较级。的比较级。这种结构为这种结构为“比较级比较级+and+比较级比较级”，表示，

20、表示“越来越越来越”。类似的用法还有：类似的用法还有：Computers are getting smaller and better.The kite flies higher and higher.风筝飞得越来越高。风筝飞得越来越高。加加more变成比较级的形容词或副词，变成比较级的形容词或副词，使用这个结构时应为：使用这个结构时应为：more and more+形容词形容词/副词原形。副词原形。Computers become more and more important in our daily life.calculate及物动词及物动词,常作常作“计算计算”、“核算核算”讲。如：

21、讲。如：Well need to calculate the overall costs.我们需要算出总费用。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。他比班里任何一个同学都算得快。calculate 还有还有“估计、预测、推测估计、预测、推测”的意的意思。如：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。她估计我们这次旅程需用多少天然气。3.We ca

22、n use computers to calculate.4.In addition,computers can do important jobs like operating railways and flying planes and spaceships.in addition 意为意为“除除以外（还以外（还）”，用用来引出另一种情况作为补充。如：来引出另一种情况作为补充。如：There are many shops around the railway station.In addition,there are some hotels.火车站附近有很多商店火车站附近有很多商店。此外此

23、外，还有一些还有一些旅馆旅馆。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，还有一些这个花园有大量的鲜花。此外，还有一些蔬菜。蔬菜。另外，另外，in addition to是介词短语，后是介词短语，后面跟名词或代词等作宾语，也意面跟名词或代词等作宾语，也意“除除之外（还）之外（还）”。如：。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。除英语外，他还得学一门第二

24、外语。5.Computers may change our lives,but will they make them better?“make sb./sth.+形容词形容词”意为意为“使某人使某人/某物某物”。与。与make相关的常用结构还相关的常用结构还有有make sb.do sth.，意为，意为“使某人做某使某人做某事事”。如：。如：The nice food makes me hungry.这么好的食物使我饿了。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。我们必须使他更加努力工作。Tips for teacherLet

25、the word fly 板块是帮助学生学板块是帮助学生学习一些一词多义、熟词生义的词汇。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通过此环节，学生可以对一些常见 词词的用法、意思有一个透彻的了解。的用法、意思有一个透彻的了解。GIVE1.give up 放弃放弃;戒绝戒绝要放弃这份工作，真是遗憾。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。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 赠送赠

26、送;分发分发She gave away all her money to the poor.她把钱都送给穷人了。她把钱都送给穷人了。3.give sb.a ring 打电话给某人打电话给某人Ill give you a ring tonight.今晚我会打电话给你。今晚我会打电话给你。4.give out 分发分发;用尽用尽要放弃这份工作，真是遗憾。要放弃这份工作，真是遗憾。He gave out books.他分发书本。他分发书本。Our food supply has given out.我们的食物耗尽了。我们的食物耗尽了。5.give back 分发分发;用尽用尽Mom!Tell Jos

27、h to give me my pens back!妈！告诉乔西把我的几支笔还给我！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）发出（气味、光、热、声音等）The food gave off a bad smell.食物已经发臭了。食物已经发臭了。口语中出现的口语中出现的 give 高频词组：高频词组：1.give sb.a hand 帮助某人做某事帮助某人做某事2.give somebody a free hand 放手让某人干放手让某人干3.give somebody a/the glad hand 热烈欢迎某人热烈欢迎某人4.give oneself

28、 airs 装模作样装模作样5.give somebody a lift 让某人搭车让某人搭车6.give something a miss避开避开(某物某物),略去略去(某物某物)7.give/lend an ear to 倾听；注意倾听；注意8.give somebody the green light 允许某人做某事允许某人做某事从上面给出的例句我们可以看到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。大家想一口语中随处可见它的身影。大家想一想与想与 give 相关的搭配或口语表达相关的搭配或口语表达,选择选择几个进行造句或对话练习。几个进行造句或对话练习。Now 2

29、minutes to test your spelling.1.English-Chinese monitor,keyboard,mouse,tiny,depend2.Chinese-English 订货，比较，打字，脑，操纵，昂贵的，订货，比较，打字，脑，操纵，昂贵的，速度，操作，铁路速度，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。根据所给的汉语提示，完成下列句子。1.书是我们的朋友书是我们的朋友，它们能使我们快乐。它们能使我们快乐。Books are our fri

30、ends and they can _.2.现在现在，世界上的许多地方缺水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。我认为手机比相机要有用得多。I think a mobile phone is _ _ _ _ a camera.make us happy are short of much more useful than4.我跑着追那辆公共汽车，可是没能追上。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

31、。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？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 onin your daily lifeII.仔细分辨下列单词或词组，并用其适仔细分辨下列单词或词组，并用其适当形式完成下列各句。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 comp

32、uter?3.The man goes to work _ bus every day.inwithby(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 tobe able to Homework1.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.