九年级英语全册 unit 6 when was it invented period 2教学案 （新版）人教新目标版

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1、Unit6WhenwasitinventedPeriod2课题名主备人课时Period2(SectionA2a-2d)学习目标1.KnowledgeObject:TalkaboutthehistoryofinventionsItwasinventedin1876.Whatwasitusedfor?Itwasusedtotalktopeopleinothertowns.Master:be+pp.2.bilityObAject.：1）能运用所学知识练习被动语态的句式。2）能用所学句型进行交际练习。3.EmotionO

2、bject:培养学生的听说演等能力及合作学习的意识。学习重点1．KeyVocabulary2．TargetLanguage．3Trainthestudentstotalkaboutthehistoryofinventions.学习难点被动语态的运用及构成。教学步骤教学过程二次备课I.温故知新翻译下列年代：1nineteenseventy-one____________2eighteeneighty-five__________3.eighteenseventy-six_________4.1927________

3、_________5.1976_________________II.兴趣导入Lolookatthepictures.Therearesomeinvention.(alarmclock,lightclub,microwaveoven).Askstudentstoreadthemloudly.III.感受新知1.Askstudentsthefollowingquestions.Isthelightclubusefulorannoying?2.Askthestudentstomakealistoffivehelpfu

4、linventionsandfiveannoyinginventionsontheirown,movearoundtheroomtoofferhelpasneeded.3.Letthestudentswhowouldliketosharetheiranswerstoreadtotheclass.IV.梳理巩固3b.1.Askthestudentstopayattentiontotheconversation.Asktwostudentstoreadtheconversation.2.Askthestudentst

5、odiscusstheiropinionsin3awiththeirpartner.Groupwork1.Showapicture.Imaginethatyouarealoneonatinyisland.Choosefiveinventionsyouwouldliketohaveontheislandwithyou.Choosefiveinventionsyouwouldliketohaveontheislandwithyou.Tellthegroupwhatyouchooseandwhy,thendiscuss

6、inagroup.2.Tellthegroupwhatyouchooseandwhy,usethesesentences.Ithinkthemosthelpfulinventionis…I’dliketohavea…becauseIcould…It’susedfor…Ialsowanta…becauseit…3.AskthestudentstodiscussinagroupV.拓展探究组内探讨：1.invent(v.)发明；创造invent指发明创造出自然界本来不存在的东西，如工具、方法、手段、汽车、电器、合成材

7、料等。例:Bellthetelephone.贝尔发明了电话。Smithanewteachingmethod.史密斯发明了一种新的教学方法。discover,find,create1.discover是“发现”的意思，是指发现原来就有而一直没被发现，如发现电、煤、石油等矿藏及新星、星系或科学真理等。VI.课堂检测ColumbusAmericain1492.1492年哥伦布发现了新大陆。Recentlytheyhaveacomet.最近他们发现了一颗彗星。2.find的意思是“寻找”，强调找的结果，并不指发现。I'v

8、etriedtoanothercopybutcouldn'tone.我试图再找一本，但没能弄到。3.create指有目的地把原材料制成新产品，也指创造出原来不存在的或与众不同的事物。Manhimself.人类创造了自己。Anovelistcharactersandaplot.小说家塑造人物并设计情节。VII.教学反思