高中英语导学案选修六Unit4Globalwarming

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1、高二英语导学案unit4Globalwarming2014-12-1一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•greatlyoverthelast100to150

2、years.CharlesKeelingfoundthatthecarbondioxideintheatmospherewentupfromaround4.partstoaround370partspermillionbetween1957and1997.DrJaniceFostersaysthattheamountofwarmingcouldbeaslowas1to1.5degreesCelsius,butitcouldbeashighas5degreesoverthenext5.years.Thecl

3、imatecouldbeveryseriousAriseofseveralmetresinthe6.Severestorms,floods,7.,famines.Thespreadofdiseases.Thedisappearanceof8.・Weshouldnotworryabouthighlevelsofcarbondioxideintheair.Itwillmakeplantsgrow9.；cropswillproduce10.；itwillencourageagreaterrangeofanima

4、ls.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

5、至Ucomeout岀现;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，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.@Howdidt

6、hissituation?⑤Theaccidenttothemanwhotobeaforeigner,soitishardtodealwith.A・occurs；happenedB.happened；occurredC・cameabout；occurredD.occurred；happened1.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

7、种杂志？Totellyouthetruth,Ididn'twhathesaidatthemeeting.A・subscribetoB.taketoC.contributetoD.relateto2.quantitiesof/aquantityof大量的Quantitiesoffoodwereonthetable.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〔数)'舉鶴语用复数

8、)inlargequantitiesa(large)quantityof+[(1arge)quantitiesof+«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©Largequantitiesofrainisneededinthisarea.①Alargeamountofriceweresenttothefront.3.Itmeansthatmorehea