2019-2020年九年级英语上册 Unit 4 Topic 2 When was it developed Section D教案 仁爱版

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1、2019-2020年九年级英语上册Unit4Topic2WhenwasitdevelopedSectionD教案仁爱版Themainactivitiesare1aand3.本课重点活动是1a和3。Ⅰ.Teachingaimsanddemands教学目标1.Learnnewphrasesandusefulexpressions:aslongas,runaway,inshortInshort,thisrobotisveryusefultous.2.Sumupthesimplepastpassivevoice.3.Talkaboutnewtechno

2、logiesandinventions.Ⅱ.Teachingaids教具讲解GPS的有声多媒体课件(没条件的就用小黑板事先写好)/标有发明物的卡片/录音机Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:13分钟)1.(师生互动，带学生一起复习归纳本话题的语法及语言点。激发学生的兴趣，培养学生的口语表达能力。)T:Howareyou,boysandgirls?Ss:Fine,thankyou.Andyou?T:I’mverywell.Sofar,wehavelearnedsomethingab

3、outthenewtechnologiesandinventionsintheworld.Doyourememberthemall?Ss:Yes,welearnedthelightbulb,thecar,thecellphone…T:Veryclever.Butwhocantellmewhenthelightbulbwasinvented?Andwhoinventedit?S1:Itwasinventedin1879.S2:I’mnotsure,butitwasinventedbyThomasEdison.T:Doyourememberthep

4、lar?Ss:Yes.T:Whenwasitinvented?Ss:Aroundxx.T:Wherewasitinvented?Ss:I’mnotsure.MaybeitwasinventedinKangkang’shome.T:OK,verygood.(板书)Whenwasitinvented?Aroundxx.Wherewasitinvented?Itwasinvented…(出示手机的卡片)T:Whenwasthecellphoneinvented?S3:Itwasinventedin1973.T:Wherewasitinvented?S

5、4:ItwasinventedinAmerica.2.(紧承上面的话题，以手机为切入点，导入新课。)T:Cellphonesarewidelyusedallovertheworld.It’sreportedthatover93%offamiliesincitiesowncellphones,butcellphonesarelosteasily.Haveyouwatchedthemovie“AWorldWithoutThieves”?Ss:Yes.T:Inthemovie,alotofcellphoneswerestolenby“LiuDehua

6、”.Nowadays,oneofthenewtechnologiescanbeusedtofindthelostcellphoneseasily.Isitamazing?OK,let’sread1candthinkaboutthequestion:Whycouldthepolicecatchthethiefeasily?(板书并解释)runaway逃跑，失控(一分钟后)Haveyoufinishedreading?Doyouwanttoknowtheanswer?Well,let’sbeginthenewlesson.Step2Presenta

7、tion第二步呈现(时间:10分钟)1.(播放多媒体，简介GPS，让学生了解其意义，展示GPS的背景知识。)T:Lookatthescreen.GPSisshortfortheGlobalPositioningSystem.(板书)globaladj.全球的，世界的GPS=theGlobalPositioningSystemGPSislikeman-made“stars”.Wecanuseitatanytime,inanyplaceandinanyweathertofindoutourposition.Theearlyexplorersused

8、thestarsaslandmarkstoknowwheretheywereandinwhichdirectiontheyweregoing.Butt