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1、一間半教室大一間半教室大它由17468個電子管、6萬個電阻器、1萬個電容器和6千個開關(guān)組成，重達(dá)30噸，占地160平方米，耗電174千 瓦，耗資45萬美元 radioradioiroiron nrice rice cookercookerTV TV seset telectric fanelectric fanvacuum cleanervacuum cleaner telephonetelephonewashing machinewashing machine ice boxice box air conditionerair conditioner cameracamera compute
2、rcomputer/ refrigerator / fridge/ refrigerator / fridge mobile phone/mobile phone/cell phonecell phone Look at the pictures of a computer below and try to write the correct name of the parts to complete the sentences.A What do you know about?1. The _ shows words and pictures.2. We use the _ for typi
3、ng in information.3. The _ _ stores information.4. The _ helps us control the computer.6. We can hear the sound from the _.7. We put the _ or _ into the _.monitorkeyboardflash diskmousespeakersCD-ROMDVD-ROMdrivesLook at the titles of the articles and the pictures on the next page. Then discuss the f
4、ollowing statements with a partner and correct any mistakes. True or False Computers 1.are inside many machines in our homes.( )2.can do important jobs like flying planes.( )3. Are already cleverer than people.( )FsomeTplaces and spaceshipsnotF Read Hidden helpers and answer :What are “hidden helper
5、s”? Why do we call them “hidden helpers”?“Hidden helpers” are computers. We callthem hidden helpers because sometimes they are inside the machine, we might be unaware of them. Listen to the recording and fill in the blanks:What kind of jobs can a computer do?Computers can:1_.2_ _ and _ .3 _you and _
6、 _with you.4 _railways, _ aeroplanes and spaceships.calculatetypeprintdrawteachplay gamesoperateflyWhat kind of jobs can a computer do?1.Is a computer cleverer than human beings?Why?The answer _ this question is, for the time being, “_”. Because human beings have _ understanding of the meaning of th
7、ings _ computers and can _ new ideas.2.What will happen in the future because of Computers? One day computers may be able to do more things than a human brain and do them better. Computers will change our lives.toNogreaterthancreatecan= be able to 能夠能夠Is a computer cleverer than I am?C1 Find these w
8、ords and expressions in the passage. Then read the words round them and choose the best meanings.1. hardly evera. sometimes b. seldom c. often2.tinya. very important b. very big c. very small 3. realizea. allow b. understand c. decide4. operatea. make something work b. make something stopc. make som
9、ething grow5. for the time beinga.in the past b. at present c. in the future6. raise a. lift up b. put down c. bring to our attentionC1 Find these words and expressions in the articles on Page45. then read the words around them and choose the best meanings. C2 Find the words in Column A in the artic
10、les. Then read the words around them and choose the meansing from column B.1.hidden2.be unaware of3.railway4.type5.judgesa.a track with rails on itb. senior law officersc. write something with a computer, typewriter, etc.d. difficult to see or finde. do not know about ABE Read and thinkPeople often
11、expect you to give examples to explain something. Read the statementsbelow and give examples to support each one. Put one word in each bank.1.S1 There may be tiny computers in your home. S2 Where, for example? S1 Inside your _ _, _ or _ _.2.S1 Computers can do many things. S2 Can you give me some ex
12、amples? S1 They can _ _ _ and _.3.S1 Computers can do some important jobs. S2 For example? S1 Computers can _ _ and _ _ and _.TV set telephone washing machinecalulate type print draw operate railwaysfly aeroplanes spaceships4 S1 A human brain can do some things better than a computer. S2 For example
13、? S1 It can _ _ _.5 S1 In the future, computers may change our lives a lot. S2 For example? S1 We many have _ _ _. create new ideas computer doctors computer judges computer teachers1.write an article about 2. hardly ever=seldom4. be unaware of be aware of5. for example such as 6. be dependent on de
14、pend on 7. in the world8. at the moment9. be fast at doing sth. be good at doing sth.寫一篇關(guān)于寫一篇關(guān)于的文章的文章幾乎沒有幾乎沒有沒有意識到?jīng)]有意識到意識到意識到例如例如依靠依靠;信賴于信賴于世界上世界上此時；目前此時；目前做做很快很快善長于善長于10.play games with sb.11.more importantly12.operate railways13. fly planes and spaceships14.for these reasons15. electronic brains16
15、. the answer to this question和和一起玩游戲一起玩游戲更重要的是更重要的是操控鐵路操控鐵路操控飛機和宇宙飛船操控飛機和宇宙飛船由于這些原因由于這些原因電子腦電子腦這個問題的答案這個問題的答案Useful Expressions17. for the time being18. of ones own19. be able to do sth.20. human brain21. happen to 22. in the future23. change our lives24.have nothing to do 25.make our lives better26
16、. have great understanding of 暫時暫時（屬于）某人自己的（屬于）某人自己的能夠做能夠做人腦人腦發(fā)生發(fā)生(在）將來在）將來改變我們的生活改變我們的生活無所事事無所事事Useful Expressions使我們的生活更好使我們的生活更好對對有很深的了解有很深的了解1.Tony collects some information to write an article about computer.托尼為寫一篇關(guān)于計算機的文章，收集了一些信息。托尼為寫一篇關(guān)于計算機的文章，收集了一些信息。 information 信息信息 （不可數(shù)名詞）（不可數(shù)名詞）If you su
17、rf the Internet, you can find_ information there. A.many B. a number of C. a lot D. muchmuch/little/a little/ some/any/ a lot of/ lots of/ a deal of /enough/ no可修飾不可可修飾不可數(shù)名詞數(shù)名詞Importance and Difficulty2.There are also many tiny, hidden computers in your home, but you might be unaware of them.在你家里也有微
18、型的、隱藏的計算機，但是在你家里也有微型的、隱藏的計算機，但是你沒有意識到它們。你沒有意識到它們。 hidden helpers神秘助手神秘助手 (hidden是過去分詞作定語修飾后面的是過去分詞作定語修飾后面的helpers) a broken cup 一只破懷子一只破懷子 boiled water開水開水 fallen leaves落葉落葉 be unaware of = dont realize/know沒有意識到?jīng)]有意識到反義：反義： be aware of = realize/ know意識到意識到Some students are unaware of the importance
19、 of English learning.Importance and Difficulty 3.You are more dependent on computers than you realize.你比你意識到的更加依賴計算機。你比你意識到的更加依賴計算機。 be dependent on 依賴于依賴于All living things are dependent on the sun. 萬物依靠太陽。萬物依靠太陽。翻譯：中學(xué)生不應(yīng)該太依賴父母。翻譯：中學(xué)生不應(yīng)該太依賴父母。 Middle school students shouldnt be dependent on their pa
20、rents too much. 拓展：拓展：depend on依靠；依賴依靠；依賴翻譯：好的健康依賴于好的食物。翻譯：好的健康依賴于好的食物。Good health depends on good food.Importance and Difficulty4.The answer to this question is, for the time being, NO.目前這個問題的答案是目前這個問題的答案是“不不”。 the answer to the question 這個問題的答案這個問題的答案(這里要注意介詞這里要注意介詞”to”的固定用法。）的固定用法。）拓展：拓展：the key
21、to the door門上的鑰匙門上的鑰匙 the way to the school去學(xué)校的路去學(xué)校的路 the entrance to到到的入口的入口 the reply to .的回答的回答 但：但：the ticket for tomorrow明天的票明天的票 the homework for today今天的作業(yè)今天的作業(yè)Importance and Difficulty5.Will computers make our lives better or worse in the future?計算機會使我們將來的生計算機會使我們將來的生活更好或更壞？活更好或更壞？ make our
22、lives better使我們生活更好使我們生活更好 此處是此處是”make +賓語賓語賓補（形賓補（形/名名/過去分詞過去分詞“結(jié)構(gòu)結(jié)構(gòu) Too much food made him ill. (形容詞）形容詞） We make him our monitor. (名詞）名詞） I cant make myself understood.(過去分詞）過去分詞）拓展：拓展： make sb. do sth.使某人做某事使某人做某事 My mother always makes me _ housework. A. doing B. to do C. do D. doneImportance a
23、nd DifficultyListen to the summary of the text. Fill in the blanks and then recite it.Workbook P39In order to write an article about computers,Tony (1)_ some information. Now he knows a lot about (2)_. Not many years ago, we could (3) _ ever see computers. But now they are everywhere. There are (4)
24、_, hidden computers in your home, but you might be (5)_ of them.Computers can do a lot of things. They are faster at (6)_ than people. They can also type, (7)_ and draw.collectscomputershardlytiny unawarecalculatingprint More importantly, they can (8)_ railways and fly planes and spaceships. For the
25、se (9)_, we often call them electronic (10) _.But for the time (11)_, computers are not as clever as (12)_ beings.We have (13)_ understanding of the meaning of things than computers and can also (14)_ new (15)_ of our own. However, one day computers may be able to do more things than a human brain.o
26、peratereasonsbrainsbeinghumangreatercreateideas Mabel Wang is ordering some office products for her company. You are the man from Top Office Supplies. Listen to the recording, and complete the details of Mabels order on the form below. After you finish, work out the grand total. fill in an order for
27、m填寫一張訂單表格填寫一張訂單表格 pay attention to 注意注意 product n.產(chǎn)品產(chǎn)品 quantity n.數(shù)量數(shù)量 as quickly as possible 盡可能快盡可能快 supply n.供應(yīng)；提供供應(yīng)；提供 order n.訂單訂單 v.下訂單；命令下訂單；命令 company n.公司公司 reference n.標(biāo)識；編號標(biāo)識；編號 ballpoint pen n.圓珠筆圓珠筆 price n.價格價格 medium adj.中等的；中號的中等的；中號的 useful words and expressionsTOP OFFICE SUPPLIES C
28、ompany name: _Customer name: _Customer No.:_ Hi-Lo Company Mabel Wang KY-73620ReferenceNo.ProductColour / SizeQuantityPrice(each)TotalJ- 1505ballpoint pensblack3 boxes￥38￥114(1)A4 paper(2)(3)(4)(5)(6)(7)medium (8)￥190(9)(10)(11)(12)(13)(14)(15)Grand total:(16)P- 1961white10 boxes￥30￥300C- 4091 keybo
29、ard1￥190￥1800￥2404C- 4083 office chair￥18001blackLanguageAdjective 形容詞形容詞A The comparative of adjectives When we compare two things, we add er to Short adjectives and use more with long adjectives.We often use than when we compare two things.Examples: cheap cheaper high higher useful more useful exp
30、ensive more expensiveBooks are cheaper than computers.Computers are more expensive than books.形容詞的比較級和最高級形容詞的比較級和最高級B The superlative of adjectives When we compare two things, we add est to Short adjectives and use most with long adjectives.We usually use the in front of a superlative.Examples: fast
31、 fastest long the longest difficult the most useful interesting the most expensive.Money is valuable.Time is more valuable than time.Water is the most valuable of all.形容詞的比較級和最高級形容詞的比較級和最高級Liu Xiang is_.Yi Jianlian is _ _Liu Xiang.Yao Ming is _ _of the three.talltaller thanthe tallest注意：最高級后面可用注意：最高
32、級后面可用in, of, among等短語來說明比較范圍。等短語來說明比較范圍。AmericaRussiaAmerica is very_.China is _ _ America.Russia is _ _ of all.largelarger thanthe largestjadediamond1,000 dollars500 dollars10,000 dollarsThe jade is very _.The computer is _ _ _ the jade.The diamond is _ _ _ among them.expensive.more expensive than
33、the most expensive單音節(jié)形容詞的構(gòu)成方單音節(jié)形容詞的構(gòu)成方法法原級原級比較級比較級最高級最高級一般在詞尾加一般在詞尾加-er 或或-est tall taller tallest以字母以字母e結(jié)尾的單詞后結(jié)尾的單詞后加加-r 或或-st nice fine nicer finer nicest finest 以以“輔音字母輔音字母+y”結(jié)尾的雙音節(jié)詞，先改結(jié)尾的雙音節(jié)詞，先改y為為i,再加再加-er或或-estearlyheavy earlier heavier earliest heaviest規(guī)則變化規(guī)則變化形容詞比較級和最高級的構(gòu)成形容詞比較級和最高級的構(gòu)成more u
34、sefulmorebeautifulthi nn erbigg erho ttermostusefulmostbeautifulthi nn estbigg estho ttestuseful beautiful多多 音節(jié)詞音節(jié)詞或少數(shù)或少數(shù)雙音節(jié)詞雙音節(jié)詞，在詞，在詞前加前加more 或或mostthinbighot重讀閉音節(jié)詞尾重讀閉音節(jié)詞尾只有一個輔音字只有一個輔音字母時，應(yīng)先母時，應(yīng)先雙寫雙寫這個輔音字母，這個輔音字母，再加再加-er 或或 -est形容詞比較級和最高級的構(gòu)成形容詞比較級和最高級的構(gòu)成形容詞比較級和最高級的構(gòu)成形容詞比較級和最高級的構(gòu)成C The comparative
35、 and superlative of good, bad and far1.nice-_ - _ 2. thin-_ -_3.early-_-_4.hot-_-_5.happy-_-_6.easy-_-_7.difficult - _ - _8. beautiful - _-_9.popular - _- _10. careful- _-_ 11. good/well - _ - _12.bad/ill - _ - _13.many/much - _- _14. little - _ - _15. far - _- _默出下列形容詞的比較級與最高級默出下列形容詞的比較級與最高級 nicer
36、nicestthinner thinnest earlier earliest hotter hottest happier happiest easier easiest more difficult most difficultmore beautiful most beautiful more popular most popular more careful most careful better best worse worst more most farther/further farthest/furthest less leastComplete the sentences w
37、ith the camparative forms of the given adjectives in the box. Add than if necessary. expensive young large popular short slow heavy 1.Ava is 18. Her sister is 21. Ava is _ her sister.2.Lev runs 1 mile in 7 minutes. Doris needs 8 minutes. Doris is _.3.Annika has a lot of friends. Her brother has only
38、 one. Annika is _.4.John pays $50 for his shoes. His brothers pays $100 for his. Johns brothers buys _ shoes. younger than slower more popular more expensive5.Leas room is 20 square metres. Her sisters is 12 square metres. Leas room is _ her sisters.6.Todd weighs 125 pounds. His brother weighs 110 p
39、ounds. Todd is _ his brother.7. Natalie is 1.55 metres tall. Her sister is 1.6 metres tall. Natalie is _. expensive young large popular short slow heavy larger than heavier than shorterP49ADavid is going abroad for the first time and needs to buy a suitcase. He is talking to a salesman in a shop. Us
40、e the adjectives in the box to complete their conversation.Keys: (1) more expensive(2) cheaper(3) heavier (4) lighter(5) bigger(6) smallerP50BB1 Pansy is shopping for a camera. Look at the pictures and write the correct letters or the cameras after each statement.Keys: (1) b (2) a (3)c (4) c B2 Late
41、r, Pansy told Tony about her shopping trip. Complete Pansys sentences with the adjectives in the box.Keys: (1) most expensive model ￥3,580(2) oldest model 2006(3) lightest model 0.16kgP50 B3 Work in pairs. S1 asks the questions. S2 gives the answers. Follow the example. Remember to use the with the
42、adjectives.Examples: (big) Earth, the moon or the sun?S1 Which is the biggest, Earth, the moon or the sun?S2 The sun is the biggest.Keys:1 S1 Which is the smallest, a bee, a butterfly or an ant? S2 The ant is the smallest. P50 B3 Work in pairs. S1 asks the questions. S2 gives the answers. Follow the
43、 example. Remember to use the with the adjectives.Examples: (big) Earth, the moon or the sun?S1 Which is the biggest, Earth, the moon or the sun?S2 The sun is the biggest.Keys:1 S1 Which is the smallest, a bee, a butterfly or an ant? S2 The ant is the smallest. P51 2 S1 Which is the largest, the Atl
44、antic, the Pacific or the Indian Ocean? S2 The Pacific is the largest. 3 S1 Which is the most valuable, iron, silver or gold? S2 Gold is the most valuable. 4 S1 Which is the hottest, the North Pole, the South Pole or the Gobi Desert? S2 The Gobi Desert is the hottest. 5 S1 Which is the heaviest, a b
45、ear, a whale or an elephant? S2 A whale is the heaviest. 6 S1 Which is the fastest, a rocket, a plane or a train. S2 A rocket is the fastest.P51 C Look at the school record below and work in pairs.S1 asks questions about it, with the correct formOf the adjectives in brackets. S2 replies.Keys: 3. has
46、 the worst marks; Pauline4. has better marks; Daisy5. has better marks; Alice6. has the worst marks; Eric7. farther; Belindas8. the farthest; Eric形容詞形容詞比較級的比較級的基本句型基本句型拓展：形容詞比較級的基本句型拓展：形容詞比較級的基本句型1.AB或或AB（比）（比）Im much taller than my father.Tom is more careful than his elder brother.2.A B C或或A B C(最）
47、最）Mary is the tallest girl in her class.This is the most difficult of the three.3.A=B(和和一樣）一樣）This exercise is as easy as that one.Tom is as tall as John.4.AB(不如不如)Our classroom isnt as/so clean as yours.Tom is not so/as tall as John.拓展：形容詞比較級的基本句型拓展：形容詞比較級的基本句型5.最最之一之一Shanghai is one of the biggest
48、 cities in the world.My brother is one of the best students in his school.6.more and more (越來越越來越)It is getting darker and darker.Our country is becoming stronger and stronger.7.the morethe more(越越越越.)The busier he is, the happier he feels.The more you eat, the fatter you will become.Giving opinions
49、（表達(dá)觀點）（表達(dá)觀點）I think(我認(rèn)為我認(rèn)為)In my opinion, (據(jù)我看來，據(jù)我看來，.)Agreement(表示同意）表示同意）I agree.(我同意）我同意）Yes, indeed.(是的，的確如此）是的，的確如此）Thats just what Im going to say.(那也那也是我想說的）是我想說的）I think so.(我也這樣想。）我也這樣想。）Yes, thats right.(恩，說對了）恩，說對了）Disagreement(表示不表示不同意）同意）I dont agree.(我不同意）我不同意）Im not sure about that.（我
50、不確定）（我不確定）I wouldnt say that.(我可不會這樣說。）我可不會這樣說。）Giving opinions, agreeing and disagreeingP52 Speaking A Talk timeA2Keys:1.Tony thinks Cantonese food is better than Sichuan food.2. Joyce thinks Sichuan food is better than Cantonese food.3. Yes. Joyce agrees Sichuan food is hotter than Cantonese food.
51、P52 Speaking B Speak upBKeys:1.Do you ever use computer in your home to do homework?2. How do you play computer?3.Do you have a computer in your home?4.Is there any homework on computer?5.Do you enjoy playing computer?6. Would you like to write e-mails? How do you use computer? Can you use computer in a right way?We can use computer to.We cant use computer to.We must .Wed better not
八年級英語上冊 Chapter 4 Computer technology課件 牛津深圳版
