九年级英语上册《unit 4 amazing science》topic3 sectionb 教案 仁爱版

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1、九年级英语上册《Unit4AmazingScience》Topic3SectionB教案仁爱版Themainactivitiesare1aand3.本课重点活动是1a和3。Ⅰ.Teachingaimsanddemands教学目标1.Learnsomenewwordsandaphrase:basic,coach,bebasedon2.Learnausefulsentence:SometimesIwanttobeadancer,butIthinkI’mgoingtobeascientistinthefuture.3.Consolidatetheuseofmodalverb+be

2、+P.P.:(1)Ibelievemoreandmorethingswillbediscoveredinthefuture.(2)Thewatchshouldberepairedfirst.(3)Thetreesshouldbewateredatonce.4.TalkaboutflyingtoMarsandtheouterspace.Ⅱ.Teachingaids教具录音机/小黑板/音乐磁带/录音机Ⅲ.Five-fingerTeachingPlan五指教学方案Step1Review第一步复习(时间:10分钟)复习含有情态动词的被动语态，并呈现部分生词，导入新课。1.(以男、女

3、两组竞赛的方式复习含有情态动词的被动语态。由教师说出一个动词，同学们用这个动词去造一个含有情态动词的被动语态的句子。看哪组说得又快又准确。)T:OK.Let’shaveacompetitionbetweenboysandgirls.Isayaverb,andyoumakeasentencewiththisverb.Youmustuse“modalverb+be+pastparticiple”.Doyouunderstand?Ss:Yes.T:Forexample.Isay“water”.Youshouldsayitlikethis:“Theflowersmustbewate

4、redeveryday.”OK,let’sbegin.Protect.Girls:Ourenvironmentshouldbeprotectedwell.T:Clean.Boys:Theblackboardmustbecleanedafterclass.T:Lookafterwell.Girls:Theyoungtreesshouldbelookedafterwell.T:Speak.Girls:EnglishshouldbespokeninourEnglishclass.T:Plant.Boys:Moreandmoretreesshouldbeplanted.T:Inve

5、nt.Girls:Manyusefulthingswillbeinventedinthefuture.T:Excellent.Youdidverywell.Girlsdidbetterthanboys.Congratulations!(鼓掌。)2.(提问关于太空和人类对太空研究的一些问题。加深对含有情态动词的被动语态结构的变化及用法的认识，导入并呈现部分生词。)T:WhatmoviedidKangkangandMariawatchthatday?S1:Theywatchedamovieaboutthelifeinspace.T:DoesKangkangbelievether

6、earealiens?S2:No,hedoesn’tbelieveit.T:Andyou?Doyoubelievetherearealiens?S3:No,Idon’tbelieveit,becausetheyhaven’tbeenseeninourdailylife.(很有可能出现不同意见，那样就更有利于进一步的复习提问。)S4:Mr./Miss…,Ibelievetherearealiensbecausetherearealargenumberofstarsinspace.Theremustbeastarlikeourplanet.T:Iagreewithyou.Wea

7、llwonderiftherearealiensinspace,butwhatcanbedonetofindoutwhethertherearealiensinspaceornot?S5:Satellitesandspaceshipsshouldbesentup.S6:Otherplanetsmaybevisited.S7:Morescientificresearchshouldbedone.T:Goodidea.Ifpeopledomorescientificresearch,Ibelievemoreandmor