高中英语 Unit3 Learning about language课件 新人教版必修2

Unit3Computers LearningAboutLanguage Thehistoryofcomputers thesecondgeneration 1956 1963 thethirdgeneration 1964 1971 thefourthgeneration 1971 Thefirstgeneration 1945 1956 calculatingmachine Pc desktop notebook analyticalmachine universalmachine artificialintelligence Internet Listen ReadandTalk Revision Translation 1 依你们看 我该怎么办 2 他们无共同之处 3 他是一个头脑简单的人 4 他跑得太快 我赶不上他 Inyouropinion whatshouldIdo Theyhavenothingincommon Heisasimple mindedman HeransofastthatIcouldn tcatchupwithhim 5 你将怎样处理这场车祸 Howwillyoudealwiththecaraccident Presentation ActivevoiceorPassivevoice 1 Theoldmanhasbeendeadfortwoyears 2 Theyhavedonethejob 3 Thehousehasbeenbuiltfor3years PassiveVoice 现在完成时被动语态谓语 has have been pastparticiple Grammar How Theyhaveread20books 20books havebeenread bythem 方法 找宾作主 看时定式 Ihaveboughtacar Acar hasbeenbought byme Pleasedothefollowing ActivevoicePassivevoice 1 Wehaveboughtanewpersonalcomputer 2 Wehavefoundmanyproblemswithournewcomputer 3 TheyhavebuiltaPCthewaywewanted Anewpersonalcomputerhasbeenboughtbyus Manyproblemshavebeenfoundwithournewcomputer APChasbeenbuiltthewaywewanted 4 TheyhavejustjoinedourcomputertotheInternet 5 Wehaveusedthecomputereverydaysinceweboughtit 6 Wehavewrittenalotofe mailsonthecomputerinthepastyear Alotofe mailshavebeenwrittenonthecomputerinthepastyear OurcomputerhasjustbeenjoinedtotheInternet Thecomputerhasbeenusedeverydaysinceweboughtit Choice 1 Youcanseethehouse foryears isn tpaintedB hasn tpaintedC hasn tbeenpaintedD hadn tbeenpainted C 2 Howlong atthisjobs Since1990 A wereyouemployedB haveyoubeenemployedC hadyoubeenemployedD willyoubeemployed B 3 Greatchanges inthecity andalotoffactories A havebeentakenplace havebeensetupB havetakenplace havebeensetupC havetakenplace havesetupD weretakenplace weresetup4 Shehas byherclassmates A laughedB laughedatC beenlaughedD beenlaughedat B D 5 Bothmybrithersworkatthepowerstationthat in1996 A hassetupB hasbeensetupC wassetupD issetup6 Rainforests andburnedatsuchaspeedthattheywlldisappearfromtheearthinthenearfuture A cutB arecutC arebeingcutD hadbeencut C C Discoveringusefulwordsandexpreessions 1 completely p19 2 completelychange3 tomakesomethinghappen4 whenababyoranomalisborn5 unabletounderstanddifficultthings totally revolution So that birth simple minded 6 pass7 takecorrectaction8 broadcastonseveraldifferentchannels9 indeed10 usedtoshowthatsth happensinspiteofaproblem goby dealwith network truly anyway Completethepassagewiththewords OnedayIdecidedIwouldchangethewayIworkandmakea intheoffice SoIboughtacomputerandmadesureitwasjoinedtoa Anditwas exciting mylettersbecameneatandtidyandeverybodycouldreadmywriting Butastime Ibegaintofeelthatmyideahadbeen wrong NowIwasnolongerabletofeelthatmyworkwas myown WhenIbecameunhappy my colleaguesthoughtIneededamoreadvancedmodelofcomputer theyboughtmeanewone SoIhaveneverbeenabletoescapefromtechnologyand myworkasIthinkfit revolution network so that wentby totally truly simple minded Anyway dealwith Ticktherightword 1 Life total totally changedwhenIwenttouniversity 2 Iwas amazing amazed tofindthatIwonthecompetitiontodesignanewcomputer 3 Thecompetitionwasso excited exciting thatwecheeredallevening 4 Iwasso excited exciting atthethoughtofmeetingYangLiweithatIcouldnotsleep 5 Robotscanbeboughtso cheap cheaply thatIgaveo