人教版九年级英语下册《nit9WhenwasitinventedSectionB》教案8

1、新目标英语九年级Unit9SectionB(3a4b)教课方案Unit9Whenwasitinvented?Period4(SectionB3a-4b)一、教材剖析(Analysisoftheteachingmaterial)本课是新目标英语九年级Unit9的第四课时，本单元进一步学习过去时的被动语态的用法，以Thehistoryofinventions为话题，经过单元教课使学生学会从Whowasitinventedby?Whenwasitinvented?Whatisitusedfor?等方面讨论car,telephone,lightbulb,calculator,personalcompu

2、ters,potatochips,tea等发明物的活动。本课是该单元的第四课时，是一节阅读课，同时，也是一节语言实践拓展课。本课要修业生阅读3a对于茶的发明的文章并学习介绍发明物的句子，为写作供给典范。3b要修业生依据文字及图片提示写一篇Frompieplatetoflyingdisk的文章。4a要修业生想象一种新发明来解决自己现实生活中的烦忧,4b以小组活动形式依据自己的发明组织对话练习。二、学情剖析(Analysisofthestudents)被动语态是初中英语语法的要点之一。它由助动词去分词组成。学生在学习本单元一般过去时的被动语态时be加过,因为对过去分词的掌握不够熟练,常常犯的错误解

3、在be后加动词的过去式；或许Itisinventedin1976.将一般此刻时态与一般过去时态的be动词混杂起来；还会出现PhoneswasinventedbyBell.这类明显主谓不一致的现象也屡禁不只。因此教课被动语态时要着重学生间的纠误练习知识目标(knowledgeobjects)1.认识茶的发明并会回答。Whenwasteainvented?Overthreethousandyearsago.Whowasteainventedby?ItwasinventedbytheemperorShenNong.Howwasitinvented?Itwasinventedbyaccident2.依

4、据茶的发明会写飞碟的发明。能力目标(Abilityobjects)1)学会用一般过去时的被动句式讨论发明物的历史。2)学会复述茶的发明史。3)学会介绍飞碟的发明。感情目标(Moralobjects)1)学生能用英语介绍发明物。2)培育团队合作精神。三、教课要点和难点（teachingkeyanddifficultpoints）教课要点：掌握以下知识点：1)要点词汇：ancient，notice，produce，pleasant,mixture,throw,remain，pie，2)要点短语：bymistake,accordingto，fallinto，inthisway，intheend,ov

5、erthreethousandyears，overanopenfire，apleasantsmell，oneoftheworldsfavoritedrinks3)要点句型：Theemperornoticedthattheleavesinthewaterproducedapleasantsmell教课难点：对过去经历过的事情表达感想。四、教课方法及学习策略教课方法：(Teachingmethods)本次教课活动采纳情形法、交际法及任务型教课门路进行教课。学习策略：(Learningmethods)让学生经过听、说、读和写的训练学会商论发明物。五、教具准备录音机、图片和照片若干。六、教课过程(Te

6、achingprocedures)StepOne:Revisionandleading-in.展现若干张发明物的照片，讨论最风趣的发明，复习旧课并且导入文章的学习。Whatdoyouthinkisthemosthelpfulinvention?Whoinventedit?Whatisitusedfor?设计企图：经过图片创建情形和发问，使学生利用所学过的语言活动进行对话练习，激发他们的学习兴趣。StepTwo:Reading1)Pre-readingT:Lookatthepicture,Whatcanyouseeinthepicture?Ss:Wecanseeanoldmanandsomele

7、avesarefallingintothewater.设计企图：经过书上图片让学生展望这篇文章内容Listentothearticle,andanswerWhoinventedtea?Ss:ShenNong.2)While-readingAskSstoskimthearticle,getinformationandanswerquestions:Whatisthearticleabout?Whenwasitinvented？Howwasitinvented?设计企图：这三道题降低了阅读的难度，使学生存心识地搜寻所需信息。3)Post-readingi.Askstudentstofindoutt

8、hefollowingphrasesinthearticleandtranslate.themostpopulardrink有时地overthreethousandyearssometimeboildrinkingwater这样设计企图：学生两人一组认真阅读并相互问答有关词组问题（每人三问三答）。经过这些短语使学生进一步认识文章的细节。AskSstoreadthearticleagainandfindoutthefollowingsentencesandtrytotranslate.英译汉：AlthoughteawasntbroughttotheWesternworlduntil1610,th

9、isbeveragewasdiscoveredoverthreethousandyearsbeforethat.2)AccordingtoanancientChineselegend,theemperorShenNongdiscoveredteawhenhewasboilingdrinkingwateroveranopenfire.3)Theemperornoticedthattheleavesinthewaterproducedapleasantsmell.4)Andinthisway,oneoftheworldinvented.sfavoritedrinkswas设计企图：学生以组为单位,

10、认真阅读试着翻译这些句子,通过翻译使学生进一步疏导文意。StepThree:WritingAskallstudentstowritethearticle“Frompieplatetoflyingdiskandshow.StepFour:Teaching4a-4bThisactivityprovidesopen-endedoralpracticeusingthetargetlanguage.Ifyouwereaninventor,whatwouldyouinvent?Whatisyourinventionusedfor?Helptheclassmakeupalistofinventionsthe

11、ymightliketoinvent.Askstudentstomakeanewdialogue.eg:A:Whatsyouinvention?B:Apen.A:Whatisitusedfor?B:Itsusedforwritingandtakingphotos.Thenaskstudentstoworkinsmallgroups.Theytelleachotherwhattheyinventedandwhy.Encouragestudentstochoosethemostpopularinvention.1)发问学生他们的发明及原由。2)以小组为单位议论各自的发明并说明用途，由组长记录，从中

12、选出一个最受欢迎的发明.StepFive:Summary1.让学生复述要点短语。2.试试复述茶的发明过程,我供给几个要点词语帮助学生回忆:boildrinkingwater-fallinto-notice-produceapleasantsmell-tasteStepSix:Homework一、依据句意及汉语提示，达成句子1.WewenttoShanghaiandhada(令人快乐的)trip.2.I(注意到)Lucygetintotheoffice.3.Tomboughtsomevegetablesfroma(邻近的)supermarketfordinner4.(只管)heisntsmart

13、enough,hetriedhisbesttodoeverythingwell.5.About5,000carswere(生产，制造)inthefactorylastyear.二、依据汉语意思达成句子1Potatochipswereinvented(有时地)2(依据)thesurvey,moststudentsdonlikedoingthousework.3Wehavestudiedfor(一段时间).4Aboy(掉进，落入)thewellyesterday.5.Themixture(尝起来很糟糕).StepSeven板书设计(Blackboarddesign)Keyphrase:1.overanopenfire2.som