九年级英语全册 unit 9 when was it invented section b(3b-self check)学案 人教新目标版

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1、江西省萍乡市芦溪县宣风镇中学九年级英语全册Unit9WhenwasitinventedSectionB(3b-Selfcheck)学案（无答案）人教新目标版◆导学目标:1．基础知识目标：1）掌握3b-selfcheck的词汇及短语。2）掌握一般过去时被动语态。2．能力目标：使学生学会正确运用被动语态来描述发明物。3、学习策略（Learningstrategies）:Writingskills4、情感目标：通过由听到读到写的训练，使学生养成勤于思考，善于总结的好习惯。◆导学过程一、课前准备：完成下列句型转换1.Shewasseentocomeoutofthelibrarybyhim

2、.（变被动语态）2.Whenaretreesoftenplanted?（变被动语态）3.TheLeaguewasfoundedinGuangzhouin1922（就画线部分提问）4.Didthestudentsweartheschoolclothesalot?（变被动语态）5.Katetookgodcareofthebabyyesterdayevening.（变被动语态）6.Hisauntboughthimabicycle.（变被动语态）7.Hisauntboughthimabicycle.（变被动语态）二、学案导学Step1.Greetings.Step2.FreetalkSh

3、owsomepicturesofinventionsandaskstudentsdiscusspicturesandsomethingaboutwhathe/shewouldlikebestinclass.Step33bWritinganarticleOnpage72youwillfindnotesintheboxontheleft.Writeanarticleusingthenotesabouttheinventionoftheflyingdisk.1.Readtheinstructionstotheclassandmakestudentslookatthesamplefirs

4、tsentenceof3b.2.Explainthatstudentscancombinemorethanonepointintoonesentence.3.AskstudentstofinishinoralEnglish.Anexample:Theflyingdiskwasinventedbycollegestudents.TheyusedametalpieplatefromabakeryinBridgeport,Connecticut.Studentsatethebakery’spiesandthenthrewthepieplates.Today,thereareflying

5、diskclubs,magazinesandafestival.Step44aThinkingandinventionWeallhavethingsthatwedon’tlikingdoing.Whynotthinkofaninventionthatcouldhelpyou.Writethedetailsofyourinventioninthechartonpage72.Forexample:ProblemLearningEnglishNewinventionAmachinethattranslatesEnglishintoChineseUseThemachine“sees”th

6、ewrittenEnglish,andshowsthetranslation.Themachine“hears”thespokenEnglish,andrepeatsitinChinese.Price100yuaneachStep54bDoingpairworkInpairsaskeachotherquestionsaboutinventions,andtrytosellyourinventiontoyourpartner.Youmaybeginasisshownintheboxonpage72.A:ThisspecialpenwasinventedbyZhengJie.Itha

7、sthreecolorsanditisusedforlearningEnglish.B:Howisitspecial?A:Whentheredcoloristurnedon,thepenreadsoutEnglishasitismovedalongtheline.B:Whenabouttheblackcolor?A:Whentheblackcoloristurnedon,thepenfindsoutthestructureofthesentencesasitismovedalon