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

1、江西省萍乡市芦溪县宣风镇中学九级英语全册UnitWhenwasitinventedSectionAab教案作者：日期：2江西省萍乡市芦溪县宣风镇中学九年级英语全册Unit9WhenwasitinventedSectionA3a3b4教案（无答案）人教新目标版教师寄语：Itsnevertoolatetomend.亡羊补牢，犹为未晚导学目标:1基础知识目标：1）正确朗读并识记70页的单词和短语lightbulbmicrowaveoven2）要点短语：beusedfor,inthedark3）要点句型（Talkaboutinventions）：Whatdoyouthinkisthemosthelpf

2、ulinvention?Ithinkthemosthelpfulinventionis.Itgivespeoplemoretimetoworkandplayeveryday.4）要点语法：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：Whenwasthecarinvented?Itwasinventedin1885.Whoweretheyinventedby?Theywereinventedby.Whataretheyusedfor?Theyareusedforseeinginthedark.A:Whatdoyouthinkisthemost

3、helpfulinvention?Ithinkthemosthelpfulinventionisthelightbulb.itgivespeoplemoretimetoworkandplayeveryday.2能力目标：使学生学会正确运用被动语态讨论重要的发明的历史和用途3、学习策略（Learningstrategies）:1）Roleplaying2)Discussion4、感情目标：经过熟习我们四周常常使用发明物的历史来宽阔眼界，丰富自己的经历，使自己养成勤于思虑，擅长总结的好习惯。导学过程一、自主预习Explainthewordsmeaningsinyourownwordsonyourn

4、otebook.1.Invent:Therewasnotsuchathingintheworld.Someonemadeitandthenthereissuchathing.Sowecansaysomeoneinventedit.2.Discover:Thereisathing.Butpeopledontknowitorfewpeopleknowit.Someonefinditandmakeitknowntopeople.Wecansaysomeonediscoversit.3.Scoop:Whenitisanoun,itmeansashort-handledtoolfortakingupan

5、dmoving3/6something.Whenitisaverb,itmeansliftingsomethingwithascoop.4.Mistake:IfIsay2and2is1,youcansayImakeamistake.5.Annoying:makeoneangry,unhappyoruncomfortable.6.Adjustable:thatcanbemademorehelpfuloruseful.7.Microwave:veryshortwave.Step1.Greetings.Step2.Revision:Showsomepicturesofinventionsandtal

6、kaboutthem.A:WhatisitinEnglish?B:ItsA:Whenwasitinvented?B:ItwasinventedA:Whatisitusedfor?B:ItisusedforStep3.Learnnewwords:useful,annoyingAskstudentstogivesomeexamplestoshowwhateachwordmeans.Forexample:Avacuumcleanerisuseful.Averyloudtruckisannoying.Therearetwokindsofinventions.Oneishelpfulinvention,

7、andtheotherisannoyinginvention.Nowinpairsmakealistoffivehelpfulinventionsandfiveannoyinginventions.Giveanexample.HelpfulinventionsAnnoyinginventionsExample:telephoneExample:alarmclockStep43b.Discusstheopinionsaboutsomeinventionswiththepartnerlikethis:(1)A:Whatdoyouthinkisthemosthelpfulinvention?B:It

8、hinkthemosthelpfulinventionisthelightbulb.4/6A:Whyisthat?B:Well,itgivespeoplemoretimetoworkandplayeveryday.Givemoresamples:(2)A:Whatdoyouthinkisthemostannoyinginvention?B:Ithinkthemosthelpfulinventionistheatomicbomb.A:Whyisthat?B:Well,itgivespeoplemorepowertokillothers.(3)A:Whatdoyouthinkisthelesshe

9、lpfulinvention?B:Ithinkthelesshelpfulinventionisthecar.Whyisthat?Imagineyouareleftaloneonasmallislandinthesea.Ifyouareallowedtotakefiveinventionsalongwithyou,whatwouldyoutake?Anexample:Iliketotakethefollowingswithme.knifeflashlightcellphonetelescopegunIdliketohaveabecauseIcouldItsusedforIthinkthemos

10、thelpfulinventionisButthatsnotgoinghelpyouleavetheisland.IthinkitwouldbebettertoleaveFillintheblankswiththewordsgiven:1.Thework_(finish)tomorrowmorning.2.Thebooksmust_(give)backontime.3.Ithinkthetelephone_(invent)in1876.4.Teamay_(invent)byaccident.5.Theruler_(use)sinceIbeganmyschoollife.5/66.Thebike

11、sareusedfor_(ride)on.（二）1、句型变换。（1）Shewasseentocomeoutofthelibrarybyhim.(变成主动语态)He_outofthelibrary.（2）Whenaretreesoftenplanted?(变成主动主态)When_peopleoften_?（3）TheLeaguefoundedinGuangzhouin1992.(就画线部分发问)_theLeague_?（4）Didthestudentsweartheschoolclothesalot?(变成被动语态)_thescloolclothes_alot?（5）Katetookgoodcareofthebabyyesterdayevening.(变成被动语态)Thebaby_wellbyKateyesterdayevening.（6）Hisauntboughthimabicycle.(变成被动语态)Abicycle_himbyhisa