高中英语《unit4 Global warming》导学案 新人教版选修6.doc

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1、高二英语导学案unit4Globalwarming一课前自主预习篇章结构(阅读P26－27的Reading部分，完成下列表格)Duringthe20thcenturythetemperatureoftheearthroseabout1.degreeFahrenheit.Theburningof2.likecoal，naturalgasandoiltoproduceenergy.Thelevelsofcarbondioxidehave3．greatlyoverthelast100to150years.CharlesKeelingfoundthattheca

2、rbondioxideintheatmospherewentupfromaround4.partstoaround370partspermillionbetween1957and1997.DrJaniceFostersaysthattheamountofwarmingcouldbeaslowas1to1.5degreesCelsius，butitcouldbeashighas5degreesoverthenext5.years.TheclimatecouldbeveryseriousAriseofseveralmetresinthe6.．Severest

3、orms，floods，7．，famines.Thespreadofdiseases.Thedisappearanceof8.．Weshouldnotworryabouthighlevelsofcarbondioxideintheair.Itwillmakeplantsgrow9.；cropswillproduce10.；itwillencourageagreaterrangeofanimals.二要点精讲1．comeabout发生；造成Sohowhasthiscomeaboutanddoesitmatter？(教材P26)那么，它是怎么产生的呢？会产生

4、什么影响呢？Hetoldmehowtheaccidentcameabout.他告诉我那事故是怎样发生的。Thecaraccidentwashorrible，butnobodyknowshowitcameabout.那次车祸真可怕，但是没有人知道它是怎么造成的。comeintobeing开始存在；形成comeacross被理解；(偶然)遇见，碰到comeout出现；出版；结果是；开放comeup走近；长出；长芽；被提出；(问题或困难)出现comeupwith提出；提供；赶上cometo共计；谈到；涉及；苏醒过来【提示】　comeabout是不及物动词短语，

5、不能用于被动语态，常指情况不受人控制的突然发生。有时用it作形式主语，that从句作真正主语。用come相关短语的适当形式填空①！Wedon'thavemuchtime.②Whenishernewnovel？③Thesubjectinconversationyesterday.④Howdidthissituation？⑤Theaccidenttothemanwhotobeaforeigner，soitishardtodealwith.A．occurs；happened　　　B．happened；occurredC．cameabout；occurredD．

6、occurred；happened2．subscribeto同意；赞成；订购Iunreservedlysubscribetoyourproposal.我毫无保留地赞同你的建议。Whichjournal(s)doyousubscribeto?你订阅哪一种杂志？Totellyouthetruth，Ididn'twhathesaidatthemeeting.A．subscribetoB．taketoC．contributetoD．relateto3．quantitiesof/aquantityof大量的Quantitiesoffoodwereonthetabl

7、e.桌上摆了大量食物。Thefactoryturnsoutalargequantityofpaperproducts.这家工厂生产大量的纸制品。inquantity　　　　　　在数量上；大量地inlargequantities　　　大量地(常修饰动词)a(large)quantityof＋(large)quantitiesof＋不可数名词/可数名词复数(谓语用复数)翻译句子①花园里剩下大量的花。(quantitiesof)②他总是大批量地买东西。(inquantity)单句改错③Largequantitiesofrainisneededinthisare

8、a.④Alargeamountofriceweresenttothefront.