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人教版必修2Unit3UsingLanguage.ppt

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Unit3Computers UsingLanguageLearningaimsGetinformationfrom…computersandradios,…1.Listentothewholetextandwritedownthemain ideainonesentence.2.ListentoPartAandfillinthechart.Thendo thesamewithPartBonpage22.Whataretheadvantagesanddisadvantagesofeach formofIT?Discusswithyourpartners.Youcan usethefollowingexpressions.Youhavebeenaskedbyyourparentstohelp chooseacomputerforyourhome.Youandyour friendhavelookedatseveralcomputers.Talk aboutthespecialthingseachcomputercando. Makeadecisionaboutwhichkindofcomputerto buyandexplainwhy.TypeofIT2.Pairwork:Makeadialogueonthebasisofthe resultsofyourdiscussion,usingthefollowinguseful expressions.3.Doanoralreporttoyourfatherandstartyour reportlikethis: Ilookedatmanydifferentcomputers.The oneIhavechosenistheXXXpersonalcomputer. Oneofthemainreasonsisthatitissuitablefor homes.Ifoundthat…WhoisAndroidⅠ.Answerthequestions 1.WhatpartdoesAndyplayinthefootballteam? 2.WhatisAndy’sopinionaboutthematchin Seattle? 3.HowdoestheprogrammerhelpAndytomake upnewmoves?Andyis______anandroidfootballteam.Asa ______onthefootballteam,hecanrunveryfast.His _____________helphimto_____and_____likea human.Lastyear,histeamcompetedwithanother oneandwonthe______place.Hethoughttheteam thatwonthe_______________,andhewantedhis ___________to_______their__________,because hethoughtthattheycouldworktogetherto______ anevenbetter______.Languagepoints【知识拓展】 signaltosb.向某人示意 signal(sb.)that...示意（某人）…… send/giveasignal发信号 receive/pickupasignal接收信号【即学即练】 Wewaitedforthemtogiveusthe____tomove. A.symbolB.signC.signalD.mark（2015·湖北高考）Inordernottobeheard,shepointedherfingerupwardstothatsomeonewasmovingaboutupstairs. A.whisperB.signalC.declareD.complain 【解题关键】考查动词辨析。句意:为了不被听到,她手指向上示意楼上有人在走动。signal用动作(手势)示意,符合题意。whisper低声耳语;declare宣告;complain抱怨。2.typen.类型vt.&vi.打字 Thisisanew_______ofmachine,withlotsofmeters onit. 这是一种新型的机器,上面有许多仪表。 Willyouplease_______thisletterforme? 请你帮我打一下这封信好吗?【即学即练】 (1)Shemixeswith________________people. 她和各种类型的人打交道。 (2)Howfastcanyou_______？ 你打字有多快？ (3)Thisletterne