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1、Unit3ComputersGuessinggameIamveryoldnow.IwasborninChina.Manypeopleusedmeforcalculatinginthepast,butnowIamabitlonelybecausetheydon’tlikemenow.DoyouknowwhoIam?abacusRiddles(谜语)Iamverysmall.Icanbeusedforcalculating.InChina,alotofstudentsusemewhensolvingmathematicalproblems.
2、DoyouknowwhoIam?calculatorWiththedevelopmentofscienceandtechnology,manynewthingsappearinhumanbeing’slife.Let’sguesswhattheyare:1.Withmeyoucanwatchdifferentprogrammesjustathome.I’mamachinethathasascreenwithmovingpicturesandsounds.Butwatchingmetoomuchisbadforyoureyes.TVset
3、WhoAmI2.Iamamachinewhichmovesveryfastonfourwheels.Youneedalicense(执照)andmustbeverycarefulwhenyoudriveme.RollsRoyce,BenzandBMWaresomefamouskindsofme.car3.Iamamachinewhichisagoodhelperindoinghousework.Iwashclothesforpeople.WhoamI?washingmachine4.Amachinethatyouusetotalktoo
4、therpeopleeveninafar-awayplace.Weareconnected.Noweachofusoftenhasanumber.WhoamI?telephonePDAPersonalDigitalAssistantIamsosmallinsizethatIcanfitinyourhand.Iusuallyhaveasmallscreenusuallybiggerthanadigitalphone,howeversmallerthanthesmallestlaptop,I’magreatwaytostoretelepho
5、nenumbers,accesstheinternet,makecalculations,andsoon.DoyouknowwhoIam?5.Itisamachine,whichyoucanusetotypeyourhomework,drawpictures,playgames,watchmovies,listentomusic,communicatewithyourfriends,gatherinformation…ComputerWhatEnglishwordsdoyouknowaboutcomputers?WhatisitinEn
6、glish??mouse鼠标WhatisitinEnglish??CPU(centralprocessingUnit)中央处理器WhatisitinEnglish??Mainboard(主板)WhatisitinEnglish??Display/MonitorkeyboardmousescannerprinterspeakerDoyouknowinwhatwayscomputersareusedtoday?Workoutalistandcompareitwithyourpartner.searchfor…seemovieslistent
7、omusicreadbooksandmagazinessendemailstofriendsdownloadmusicandfilmsbuythingsonlineplaygamesonthecomputerdrawpictureslookatphotographsonthecomputeruseacomputerforschoolworktakepartinchatgroupsAskandanswerquestionsinpairs.1.usecomputerforschoolworkYouYourpartner2.playgames
8、onthecomputer3.sendemailstofriends4.surftheWebforfun5.downloadmusicandfilms6.chatonline7.searchforinfor
