导学案Unit 4 Amazing Science Topic 1 When was it invented

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1、Unit4AmazingScience导学案Topic1Whenwasitinvented?SectionA备课人：郭太先参与教师：李江高涛李明芳王丽熊光彩一、预习。翻译Benotallowedtodosth…________________Bemadefrom…_________________bemadeof….____________Beusedforsth/doingsth___________________beusedtodosth______________someday____________________Playcomputergames___

2、__________________It’sbadforyourhealth._____________Spendtoomuchtimeonthem._______________showsthtosb______________It’smadeofmetal.________________send….intospace____________Learnalotabout...from..._______________cometrue___________________IwishIcouldgoingtospacesomeday.______________

3、__________________Ihopeyourdreamwillcometrue._______________________________Wherewasitdeveloped?________________________二：重难点释疑。1.BecauseIwasnotallowedtoplaycomputergameslastnight.因为他们不让我玩电脑游戏。点拨：allow---1)allowsb.Todosth.---允许某人做某事2）beallowedtodosth.被允许做某事练习：a.老板不允许我们工作时聊天。Theboss___

4、____________us_______atwork..b.学校不允许我们上学穿其它衣服。We____________________________otherclothesatschool.c.().He___playcomputergamesunless0hefinishedhishomework.A.wasallowedtoB.wasnotallowedtoC.allowtod.Mymotherallowsmetousehercellphone.(改为被动语态)I_________usemymother’scellphone.2.It’susedforse

5、ndingsatellitesorspaceshipsintospace.它是被用来发射人造卫星或宇宙飞船进入太空的。点拨：a.beusedfordoingsth.---(被)用来…(强调用途或作用)b.beusedtodosth.---(被)用来去做…(强调目的)c.beusedas---(被)用作…(强调被用作工具或手段)d.beusedby---被…使用，后跟人/物（强调使用者）练习：a.邮票是用来寄信的。Thestamp______________________________theletters.b.语言是被用来描述人的感情的。Thelanguage_

6、_______________describehuman’sfeelings.c.swim可作名词来用。Swim________________anoun.d.录音机经常被英语老师使用。Therecorder_______________________Englishteachers.注意：beusedtodoingsth.=getusedtodoingsth.---习惯做某事usedtodosth.---过去常常做某事练习：a.他每天习惯做晨练。He_________morning___________________________.b.过去放学后，她常常在家

7、弹钢琴。She___________athome______________.c..Arocketisusedforlaunchingsatellitesandspaceships.(就画线部分提问)_______arocket______?3.IwishIcouldgoingtospacesomeday.我希望有一天我也能飞上太空。点拨：此处为虚拟语气，即所希望之事较为渺茫。如:我希望我会飞。I________I________flysomeday.链接：(1)hope的用法与wish相似切记！！！没有hopesb.todosth.结构(2)hope+(that

8、)宾语从句