江西省萍乡市芦溪县宣风镇中学九级英语全册unitwhenwasitinventedsectionaab学案

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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Unit9WhenwasitinventedSectionA3a3b4学案（无答案）人教新目标版教师寄语：It’snevertoolatetomend.亡羊补牢，犹为未晚◆导学目标:1．基础知识目标：1）准确朗读并识记70页的单词和短语lightbulbmicrowaveoven2）重点短语：beusedfor,inthedark3）重点句型（Talkaboutinventions））：Whatdoyouthinkisthemosthelpfulinvention?Ithinkthemosthelpfulinventio

2、nis….Itgivespeoplemoretimetoworkandplayeveryday.4）重点语法：(1)一般过去时的被动语态结构和用法。（2）发明的使用以及对它们的描述。5）Targetlanguage：①Whenwasthecarinvented?Itwasinventedin1885.②Whoweretheyinventedby?Theywereinventedby….③Whataretheyusedfor?Theyareusedforseeinginthedark.④A:Whatdoyouthinkisthemosthelpfulinventi

3、on?⑤Ithinkthemosthelpfulinventionisthelightbulb.⑥itgivespeoplemoretimetoworkandplayeveryday.2．能力目标：使学生学会正确运用被动语态谈论重要的发明的历史和用途3、学习策略（Learningstrategies）:1）Roleplaying2)Discussion4、情感目标：通过熟悉我们周围经常使用发明物的历史来开阔眼界，丰富自己的阅历，使自己养成勤于思考，善于总结的好习惯。◆导学过程一、自主预习Explainthewords’meaningsinyourownwords

4、onyournotebook.1.Invent:Therewasnotsuchathingintheworld.Someonemadeitandthenthereissuchathing.Sowecansaysomeoneinventedit.2.Discover:Thereisathing.Butpeopledon’tknowitorfewpeopleknowit.Someonefinditandmakeitknowntopeople.Wecansaysomeonediscoversit.3.Scoop:Whenitisanoun,itmeansashort-

5、handledtoolfortakingupandmoving4/4something.Whenitisaverb,itmeansliftingsomethingwithascoop.4.Mistake:IfIsay2and2is1,youcansayImakeamistake.5.Annoying:makeoneangry,unhappyoruncomfortable.6.Adjustable:thatcanbemademorehelpfuloruseful.7.Microwave:veryshortwave.二、学案导学Step1.Greetings.Ste

6、p2.Revision:Showsomepicturesofinventionsandtalkaboutthem.A:WhatisitinEnglish?B:It’s…A:Whenwasitinvented?B:Itwasinvented…A:Whatisitusedfor?B:Itisusedfor…Step3.Learnnewwords:useful,annoyingAskstudentstogivesomeexamplestoshowwhateachwordmeans.Forexample:Avacuumcleanerisuseful.Averyloudt

7、ruckisannoying.Step3.3a.PairworkTherearetwokindsofinventions.Oneishelpfulinvention,andtheotherisannoyinginvention.Nowinpairsmakealistoffivehelpfulinventionsandfiveannoyinginventions.Giveanexample.HelpfulinventionsAnnoyinginventionsExample:telephoneExample:alarmclock1.plane1.atomicbom

8、b2.computer2