九年级英语上册《unit 4 topic 2 section a》教案 仁爱版

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1、《Unit4Topic2SectionA》教案Ⅰ.Teachingaimsanddemands1.Learnsomenewwords:metal,toothbrush,ink,recorder2.Learnsomeusefulsentences:—What’sitmadeof/from?—It’smadeof/from…—What’situsedfor?—It’susedfor…3.Learnthesimplepastpassivevoice:(1)—Whenwasitdeveloped?—Around1998.(2)—Wherewasitdevelo

2、ped?—ItwasdevelopedinKorea.4.Learnhowtoexpresshopesandwishes:(1)IwishIcouldgointospacesomeday.(2)Ihopeyourdreamwillcometrue.5.Talkaboutnewtechnologiesandinventions.Ⅱ.TeachingprocedureStep1.GreetingStep2.Revision1.RevisethenewwordsinSectionA(Wordscompetition)1)火箭rocket2)金属metal3)

3、卫星satellite4)牙刷toothbrush5)墨水ink6)录音机recorder7)数字，数码的digitalStep3.Presentation1.Showtwopictures,acomputerdeskandapieceofpaper.Askandanswer.Masterthephrases“bemadeof”,“bemadefrom”and“beusedfor”.T:What'sthisinEnglish?Ss:It’sacomputerdesk.T:What'sitmadeof?Ss:It’smadeofwood.T:What’s

4、itusedfor?Ss:It’susedforholdingacomputer.2.Talkaboutthepictureofapaper.Teachthephrase“bemadefrom”inthesamewayandaskstudentstolearnandmasterit.Letstudentscomparethetwophrases,andhelpthemsumuptheusagesanddifferencesbetweenthem.bemadeof+材料：表示原材料容易被看出。bemadefrom+材料：表示原材料经过化学变化，不易被看出

5、。3.DialoggamesT:OK,let’simitatetheexamplesin1btomakesimilarconversationsandfinish1b.youcanchooseonepicturefromAtoHtodopairwork.Actthemoutinthefrontoftheclassroom.LetSspayattentiontheprepositions.A.toothbrush/plastic/brushteethB.redwine/grapes/drinkC.ruler/steel/measureD.sweater/

6、cotton/keepwarmE.towel/cotton/cleanfaceF.ink/carbon/writeinG.lift/iron/goupanddownH.bed/iron/sleep4.Letstudentslistento1aandunderlinethesentenceswiththepassivevoice.Answertwoquestions.1)What’sitmadeof?2)Doyouknowwhatitisusedfor?5.Letstudentsread1aandleadthemtofindoutthekeysenten

7、cesandthedifficultlanguagepointsin1a.Theteacherexplainsthem.Forexample:1)I’mnotallowedtoplaycomputergames.2)IwishIcouldgointospacesomeday.3)Ihopeyourdreamwillcometrue.Step4Consolidation1.T:Listentothetapecarefullyandfinishthetable.Answerthefollowingquestions.1)Whenwasitdeveloped

8、?2)Wherewasitdeveloped?3)What’situsedfor?2.Fini