Module2ScienceandtechnologyUnit3ComputersModule2Scienceandtechnolog1ReadingComputerfactsReadingComputerfacts2ordercomparemonitorspeakermainunitkeyboardmousetypen.訂貨；訂購v.比較；對(duì)比n.（計(jì)算機(jī)）顯示器n.揚(yáng)聲器n.（計(jì)算機(jī)）主機(jī)n.（計(jì)算機(jī)）鍵盤n.（計(jì)算機(jī)）鼠標(biāo)v.打字WordReviewordern.訂貨；訂購WordReview3braincontrolexpensivetinydependspeedoperaterailwayn.腦v.操縱，控制（機(jī)器或系統(tǒng)等）adj.昂貴的；價(jià)格高的adj.極小的；微小的v.依靠；依賴n.速度v.操作；控制n.鐵路系統(tǒng)WordReviewbrainn.腦WordReview4Canyouimaginethatwhatkindofcomputerwewilluseinthefuture?Watchthevideo.視頻欣賞Canyouimaginethatwhatkind5

Tounderstandthestructuresofacomputerandcanreadaloudthenameforeachpartofacomputer2.Tolearnsomekeywordsandusefulexpressions3.TolearnaboutthedevelopmentofcomputerObjectives：Tounderstandthestructures6Iamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.DoyouknowwhoIam?abacusRiddles(謎語)Lead-inIamveryoldnow.IwasbornIamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?calculatorIamverysmall.IcanbeusedPCPersonalComputerI’masmall,relativelyinexpensivecomputerdesignedforanindividualuser.I’mbasedonthemicroprocessortechnology.Athome,peopleusemetosurftheInternetandplaygames.DoyouknowwhoIam?PCI’masmall,relativelyine9abacuscalculatorPCabacuscalculatorPC10Pre-readingPre-reading11AWhatdoyouknowabout...?Howmuchdoyouknowaboutcomputers?Lookatthephotobelowandcompletethesentenceswiththecorrectnames.p34AAWhatdoyouknowabout...?H12speakersmonitorkeyboardmousemainunitspeakersmonitorkeyboardmousema131The_______showswordsandpictures.2Weusethe_________fortyping.3The“brain”ofacomputerisinthe_________.4Wemovethe______tocontrolthecomputer.5Wehearsoundfromthe________.

monitor

keyboard

mainunit

mouse

speakersp34A1The_______showswordsand14BBeforeyoureadBBeforeyouread15Lookatthepictures,thetitleandthesub-headingsofthearticleonpage35.Thentick(√)thefactsthatthearticleprobablytalksabout.Computersaregettingsmallerandbetter.2.Computerscandoimportantjobslikeflyingplanes.3.Computersmayworkasdoctors.4.Computersareexpensive.√√√p34BLookatthepictures,thetitl16ComputerfactsReadingComputerfactsReading171.Whenwasthefirstcomputerinvented?2.Werecomputersbigorsmallinthe1940s?3.Whocancalculateatafasterspeed,amanoracomputer?4.Whatimportantjobscanacomputerdo?5.Whycan’tcomputersbeclevererthanus?

Readthepassageandanswerquestions.1.Whenwasthefirstcomputer181.Whenwasthefirstcomputerinvented?

Inthe1940s.2.Werecomputersbigorsmallinthe1940s?

Theywerebig.3.Whocancalculateatafasterspeed,amanoracomputer?

Acomputer.

Answers:1.Whenwasthefirstcomputer194.Whatimportantjobscanacomputerdo?Itcanoperaterailwaysandflyplanesandspaceships.5.Whycan’tcomputersbeclevererthanus?

Becauseourbrainscanproducenewideasbutcomputerscan’t.

4.Whatimportantjobscanac20Nowlistentothepassage.Nowlistentothepassage.21FinishthefollowingformaccordingtotheReadingPart.Aspect(方面)

FactSizeComputersarebecomingsmallerand(1)_____nowthanthoseinthepast.Thereisprobablya(2)____computerinsideyourTVorwashingmachine.

better

tinyFinishthefollowingformacco22UseComputerscan(3)_________andtheyalmostnevergivewronganswers.Peoplecanusecomputerstotypeanddrawthings.Computerscaneven(4)________railwaysandflyplanesandspaceships.calculateoperateUseComputerscan(3)_________23FutureComputersmaydobetterinsomejobsoneday,buttheycan’tbe(5)________thanhumanbeings.clevererFutureComputersmaydobetter24CVocabularyp36CCVocabularyp36C25C1Thewordsinitalicsexplainthemeaningsofsomewordsonpage35.Findthesewordstocompletethesentences.Changetheirformsifnecessary.1Ifsomethingisverysmall,itis____.(line5)2Someyoungpeoplealwaysneedhelp

fromtheirparents.Theyshouldlearnto_________themselves.(line8)3Wehadfunandlearntsomethingnewaswell.Wehadagoodtime.__________,weleantalot.(line14)4Whenwemakeamachinework,we______it.(line16)

tiny

dependon

Inaddition

operateC1Thewordsinitalicsexplai26C2Completetheconversationbelowwiththewordsfromthebox.dependonexpensiveinadditionspeedMark:Iboughtanewcomputer.Helen:Why?Mark:Iboughtmyfirstcomputerfiveyearsago.Iuseditalmosteveryday,anditbecamereallyslow.Helen:Isee.Sohow’syournewcomputer?Mark:Itwasreally(1)________,butitworksatamuchfaster(2)______thanmyoldone.(3)__________,ithasalargermonitor.Helen:Ialso(4)_________mycomputeralotthesedays.Iuseittowwritereports,andtogetontheInternettoo.Mycomputerworkswell,soI’mnotgoingtobuyanewone.

expensive

speed

Inaddition

dependonC2Completetheconversationb27DComprehensionp37DDComprehensionp37D281S1:Theremaybetinycomputersinyourhome.S2:Where,forexample?S1:Insideyou___or_______________.2S1:Wecandomanythingswithcomputersinourdailylife.S2:Forexample?S1:Wecan________,____and__________withthem.D1Readthearticleonpage35andcompletetheanswerswiththeexamplesfromthearticle.TVwashingmachinecalculatetypedrawthings1S1:Theremaybetinycomput293S1:Computerscandosomeimportantjobs.S2:Forexample?S1:Theycan_______________and______________________.4S1:Oneday,computersmaybeabletodoabetterjobthanhumanbeings.S2:Forexample?S1:They________________________________________.operaterailwaysflyplanesandspaceshipsmaybebetterthandoctorsatdoingtheirjob3S1:Computerscandosomeim30D2Readthearticleagainandanswerthequestionsbelowincompletesentences.Whatwerethefirstcomputerslike?_______________________________2.Whyareweunawareofsomecomputers?_______________________________3.Arecomputersclevererthanyouandme?Whyorwhynot?______________________________________________________________Theywerebiggerthancars.Becausetheyaretiny.No.Becauseourbraincanproducenewideasbutcomputerscannot.D2Readthearticleagainand31D3Discussandanswerthequestionbelowwithyourclassmates.1Doyoudependoncomputersalotinyourdailylife?Giveexamples.2Doyouagreethatcomputerswillbeabletodoallourjobsinthefuture?Givereasons.D3Discussandanswertheques321.Weusethekeyboardfortyping.use…fordoingsth.意為“用……來做某事”，相當(dāng)于use…todosth.。如：We

use

wood

for

making

paper

and

furniture.我們用木頭造紙、做家具。=Weusewoodtomakepaperandfurniture.另外，我們也可以用use…forsth.這樣的結(jié)構(gòu)。如：Shedecidedtouseitforagift.她決定用它做禮物。Languagepoints1.Weusethekeyboardfortyp332.Nowcomputersarebecomingsmallerandbetter.

這個(gè)句子中，smaller是small的比較級(jí)，better是good的比較級(jí)。這種結(jié)構(gòu)為“比較級(jí)+and+比較級(jí)”，表示“越來越……”。類似的用法還有：

Computersaregettingsmallerandbetter.2.Nowcomputersarebecoming34Thekiteflieshigherandhigher.風(fēng)箏飛得越來越高。加more變成比較級(jí)的形容詞或副詞，使用這個(gè)結(jié)構(gòu)時(shí)應(yīng)為：moreandmore+形容詞/副詞原形。Computersbecomemoreandmoreimportantinourdailylife.Thekiteflieshigherandhigh35calculate及物動(dòng)詞,常作“計(jì)算”、“核算”講。如：We’llneedtocalculatetheoverallcosts.我們需要算出總費(fèi)用。

Hecalculatedatafasterspeedthananyotherstudentsinhisclass.他比班里任何一個(gè)同學(xué)都算得快。calculate還有“估計(jì)、預(yù)測(cè)、推測(cè)”的意思。如：Shecalculatedhowmuchgasweneededforourtrip.她估計(jì)我們這次旅程需用多少天然氣。3.Wecanusecomputerstocalculate.calculate及物動(dòng)詞,常作“計(jì)算”、“核算”講。如364.Inaddition,computerscandoimportantjobslikeoperatingrailwaysandflyingplanesandspaceships.

inaddition

意為“除……以外（還）”，用來引出另一種情況作為補(bǔ)充。如：

Therearemanyshopsaroundtherailwaystation.Inaddition,therearesomehotels.火車站附近有很多商店。此外，還有一些旅館。Thegardenhasalotofflowers.Inaddition,ithassomevegetables.這個(gè)花園有大量的鮮花。此外，還有一些蔬菜。4.Inaddition,computerscan37另外，inadditionto是介詞短語，后面跟名詞或代詞等作賓語，也意“除……之外（還）”。如：InadditiontoEnglish,hehastostudyasecondforeignlanguage.除英語外，他還得學(xué)一門第二外語。另外，inadditionto是介詞短語，后面跟名詞或代385.Computersmaychangeourlives,butwilltheymakethembetter?“makesb./sth.+形容詞”意為“使某人/某物……”。與make相關(guān)的常用結(jié)構(gòu)還有makesb.dosth.，意為“使某人做某事”。如：Thenicefoodmakesmehungry.這么好的食物使我餓了。Wemustmakehimworkharder.我們必須使他更加努力工作。5.Computersmaychangeourli39LetthewordflyLetthewordfly40TipsforteacherLetthewordfly板塊是幫助學(xué)生學(xué)習(xí)一些一詞多義、熟詞生義的詞匯。通過此環(huán)節(jié)，學(xué)生可以對(duì)一些常見詞的用法、意思有一個(gè)透徹的了解。TipsforteacherLetthewordf41~up~off~back~out~sb.aring

~awaygiveGIVE~up~off~back~out~sb.ari421.giveup放棄;戒絕要放棄這份工作，真是遺憾。Itisapitytogiveupthejob.你應(yīng)該戒煙，我去年就戒掉了。Yououghttogiveupsmoking,Igaveituplastyear.2.giveaway贈(zèng)送;分發(fā)Shegaveawayallhermoneytothepoor.

她把錢都送給窮人了。3.givesb.aring打電話給某人I’llgiveyouaringtonight.

今晚我會(huì)打電話給你。1.giveup放棄;戒絕434.giveout分發(fā);用盡要放棄這份工作，真是遺憾。Hegaveoutbooks.

他分發(fā)書本。Ourfoodsupplyhasgivenout.

我們的食物耗盡了。5.giveback分發(fā);用盡Mom!TellJoshtogivememypensback!媽！告訴喬西把我的幾支筆還給我！6.giveoff

發(fā)出（氣味、光、熱、聲音等）Thefoodgaveoffabadsmell.

食物已經(jīng)發(fā)臭了。4.giveout分發(fā);用盡44口語中出現(xiàn)的give高頻詞組：1.givesb.ahand

幫助某人做某事2.givesomebodyafreehand

放手讓某人干

3.givesomebodya/thegladhand

熱烈歡迎某人4.giveoneselfairs

裝模作樣

5.givesomebodyalift

讓某人搭車

6.givesomethingamiss避開(某物),略去(某物)7.give/lendanearto傾聽；注意

8.givesomebodythegreenlight

允許某人做某事口語中出現(xiàn)的give高頻詞組：45從上面給出的例句我們可以看到

give在口語中隨處可見它的身影。大家想一想與give相關(guān)的搭配或口語表達(dá),選擇幾個(gè)進(jìn)行造句或?qū)υ捑毩?xí)。活學(xué)活用從上面給出的例句我們可以看到give活學(xué)活用46Now2minutestotestyourspelling.SpellingBee1.English-Chinesemonitor,keyboard,mouse,tiny,depend2.Chinese-English

訂貨，比較，打字，腦，操縱，昂貴的，速度，操作，鐵路Whenfinished,exchangeyourpaperstoseewhodoesthebest.Now2minutestotestyourspe47新牛津深圳版八年級(jí)英語上冊(cè)Unit-3-Reading-課件(54張)48I.根據(jù)所給的漢語提示，完成下列句子。1.書是我們的朋友，它們能使我們快樂。

Booksareourfriendsandtheycan_____________.2.現(xiàn)在，世界上的許多地方缺水。Manyplacesint