九年级英语上册 Unit 4 Topic 2 When was it invented Section D导学案（新版）仁爱版.doc

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1、Unit4Topic2Whenwasitinvented【学习目标】1.复习一般过去时的被动语态；2.了解全球定位系统。【预习案】一、根据1a，回答1b的问题。二、在文中找到并划出下面的短语1.探索我们的世界_______________________________2.很久以前___________________________________3.早期的探险者_________________________________4.天上的星星___________________________________5.在哪个方向______________________________

2、_____6.(方法)可行_____________7.在夜间_______________8.只要_________________________________________9.在其余时间里_________________________________10.一颗人造卫星____________11.在任何时间___________________________12.在任何地点__________________________________13.在任何天气下________________________________14.找到我们的位置_______________

3、______________15.地球的形状__________________________________16.(某人)迷路__________________________________17.迅速地逃掉__________________________________18.从某人那里偷走某物__________________________19.藏在一个隐秘的地方_20.令他吃惊的是____________________21.被警察抓住_______________【探究案】在文中划出下面的句子并分析1.Thismethodworkedwellatnightaslon

4、gastheweatherwasgoodandthestarscouldbeseen.译：______________________________________________________________________________点拨：workwell---(方法)可行,(物品)正常工作拓展：(衣物)好洗_______________(货物)好卖_______________(机器)运转正常_______________点拨：aslongas=solongas---只要(引导条件状语从句)练习：a.只要你们有足够的钱，就有机会到国外度假。You’llhave______

5、_________________________foraholiday_____________yourmoneyis________.b.只要我们有票，我们就去参加音乐会。Wecangotothe_________________________wehavetickets.2.GPSisagreatinventionthathelpsusexploreourplanetanddiscoverwhereweare.译：_________________________________________________________________________思考：句子中that引

6、导了一个_______从句；where引导了一个_______从句练习：a.ShegaveusagoodmethodthatimprovedourEnglishinashorttime.译：___________________________________________________________________b.Noneofthemknewwheretheywereorwhattheyweredoing.译：___________________________________________________________________