必修2 Unit 3 reading

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1、Unit3ComputersAnabacusAhugecomputer(huge=verybig)AcalculatoralaptopaPCaPDAarobotabacushugecomputerPCcalculatorlaptopPDAWhat’snext?2.HistoryofcomputersrobotIamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemeno

2、w.DoyouknowwhoIam?abacusRiddles(谜语):Iamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalproblems.DoyouknowwhoIam?calculatorRiddles(谜语):Iamverylarge.Ineedahugeroomtolivein.Icanbeusedforcalculatingrapidly.Butonlyscientistsusemewhensol

3、vingmathematicalproblems.DoyouknowwhoIam?hugecomputerRiddles(谜语):Iamborninmoderntimes.Icanbeusedforsolvingallkindsofproblems,includingcalculatingproblems.Iamwidelyusedinofficesandhomes.DoyouknowwhoIam?PC(PersonalComputer)Riddles(谜语):Icanbeusedforcalculating.Besides,Ic

4、analsobeusedforwatchingDVD,sendinge-mailandcommunicatingthroughtheInternet.However,IamnotaPC,becauseI’msmallenoughforyoutotakemewithyou.laptopDoyouknowwhoIam?Riddles(谜语):DoyouknowwhoIam?Riddles(谜语):robotLearnnewwordsandexpressionsUnit3ComputersP17Pre-reading1Lookatthe

5、picturesandthetitle(题目)ofthereadingpassage.Predict（预测）whatitisgoingtobeabout.Thetitle(题目):WhoAmI?Picture1:ananalyticalmachine一台分析机Picture2:Somepeopleareworkingusingcomputers.Maybethepassageisaboutthehistoryanddevelopment(发展)ofcomputersanditsusing.Unit3ComputersP17Pre-

6、reading2Doyouknowinwhatwayscomputersareusedtoday?Workoutalist（列一张清单）andcompare（比较）itwithyourpartner.UsageofcomputersandtheinternetplaycomputergamesChat（聊天）onlinesendemailstofriendsdownload(下载)musicandfilmssearchfor（搜寻）informationwatchmovieslistentomusiclookatphotosdos

7、hoppingdrawpictures……HowdoyouusecomputersandtheInternet?3.sende-mails4.listentomusic5.watchmovies9.drawpicturesIoftenuseacomputerto…Isometimesuseitto…AndIneveruseitto…1.domyhomework2.playcomputergames6.chat(聊天)online7.searchforinformation8.doshoppingUnit3ComputersP17P

8、re-reading3Lookattheseinventions(发明).Canyouputtheminanorder（按顺序）accordingto(按照）thetimewhentheyappeared（出现）?Afterreadingthepa