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1、单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,Unit 4 Global warming,1/14,【观察探究】,How did it,come about,that he had his leg hurt?,他腿伤着了，这是怎么发生？,2)The accident,came about,last night.,【,拓展延伸】,1)表示“发生”词或短语还有：,_(多指战事、火灾、瘟疫、争吵等),它们和come about一样，也不能用于被动结构。,2)come across（偶然）碰到；,come up 发生，走过来，被提出,come up with
2、提出,come out 出来，开花；出版；结果是,1.So how has this,come about,and does it matter?,happen,take place,break out,2/14,【,即学活用】用关于come短语完成以下句子,1.正如他所料那样，事情发生了。,The event _as he had predicted it.,2.那些玫瑰花开了。,The roses are _.,3.我考了第一名。,I _ first in the examination.,4.增加工资问题在会上被提出。,The question of wage increase _.,5
3、他提出新提议。,He _ a new suggestion.,6.我无意中找到这本书。,I _ this book.,came about,coming out,came out,came up,came up with,came across,3/14,2.All scientist,subscribe to,the view that the,increase in the earths temperature is due to the,burning of fossil fuels like coal.,subscribe to 赞成；同意；订购,subscribe 同意；捐赠；订阅
4、签署（文件）,1Which magazine do you subscribe to?,2Last week each of us subscribed 10 Yuan,to the Hope Project.,3I subscribed my name to the document.,4Ive never subscribed to the theory that people,are more important than animals.,订阅,捐助,签署,同意；赞成,4/14,3.The problem begins when we add huge,quantities of,e
5、xtra carbon dioxide into the atmosphere.,quantity n.数量 【拓展】quality n.质量,quantities of+,可数/不可数名词 (,大量),There are quantities of,fruit and vegetables in the fridge.=,There is a quantity of,fruits and vegetables in the fridge.,Rose has,quantities of,books.,5/14,1.Large quantities of beer _(已被售出)in this
6、shop.,2._ beer has been sold in the shop.,3._(大量学生)crowded into the library.,have been sold,Quantities of/A quantity of students,A large quantity of,Many/A good many/A number of,/A lot of/Lots of/Plenty of students,=,Much beer,has been sold in the shop.,=,A good deal of beer,has been sold in the sho
7、p.,=,A large amount of beer,has been sold,=,A lot of/lots of/Plenty of,beer has been sold.,6/14,4.It means that more heat energy,tends to,be,trapped in the atmosphere causing the global,temperature to,go up,.,tend vi 倾向，趋向 vt.照料,tend to sth/do sth 趋向(做)某事,David,tends,to obesity/get fat.,Janet,tends,
8、to get very angry if you cant satisfy her demands.,7/14,Mother,tended,her son in the bedroom.,Mary will,tend,the garden while youre on vacation.,The nurse,tended,me when I was ill.,8/14,5.They also agree that it is the burning of,more and more fossil fuels that has,resulted in,this increase in carbo
9、n dioxide.,result in 造成,造成=lead to,Davids carelessness,resulted in,his failure.,The earthquake,resulted in,the death of many people.,=led to,=led to,9/14,【观察探究】,Smoking,resulted in,His fathers illness.,His fathers illness,resulted from,smoking.,【归纳总结】,用适当介词填空。,1.Maxs success resulted _ accepting,the
10、 advice of his teacher.,2.His sickness resulted _eating too much.,3.His rudeness resulted_ the childs quarreling with him.,result in意为“_”,result from表示“_”,造成,因为；由.造成,from,in,from,10/14,6.On the other hand，there are those，like George Hambley,who,are opposed to,this view，believe that we should not wor
11、ry about high levels of carbon dioxide in the air.,1)Most citizens opposed the new tax.,大部分市民反对新税。,2)The mother opposed her daughters going there alone.,这位母亲反对她女儿一个人去那儿。,3)Im strongly opposed to your plan.,我果断反对你计划。,【观察探究】,【,归纳总结】（1）oppose是_词，意为“反对”,_反对（干）某事；,（2）opposed是_词，意为_,固定搭配,be opposed to sth
12、反对某事,动,形容,oppose to,sth/doing,sth,反正确,11/14,in consequence 所以,as a consequence=as a result of 因为,as a consequence of =in consequece of,(1)What will the,consequence,be,if you were caught cheating in the exam?,(2)The,consequence,is that you will be criticized,in public.,(3),In consequence,You must wo
13、rk hard.,7.They predict that any warming will be,mild,with few bad environment,consequences,.,consequence n.后果，结果，影响,12/14,8.Even if,we start reducing the amount of carbon dioxide and other greenhouse gases，the climate is going to,keep on,warming for decades or centuries.,尽管我们已经开始降低二氧化碳和其它温室气体排放量，不过
14、在未来几十年或几个世纪里气候将会连续变暖。,【,观察探究】,(1)Even if,it rained heavily，we still keep on traveling.,(2)Even if,you are a good high-jumper，,you jump no more than three meters.,【,归纳总结,】,even if,意为_，引导_状语从句，能够与,even though,交换,即使,让步,13/14,(1)Well make a trip _ the weather is bad.,Aas for Beven if,Cbecause of Das long as,(2)_she is young，she knows quite a lot.,AWhen BHowever,CAlthough DUnless,as for关于 because of因为 however 然而 although/though即使 unless除非,14/14,
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