通用版2021版高考英语大一轮复习Unit4Globalwarming课件新人教版选修6.pptx

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1、Unit 4Unit 4Global warmingGlobal warming-2-e about发生;造成教材原句So how has this come about and does it matter?(P26)那么,这种情况是怎么产生的?会有什么影响呢?语境巧练语境巧练单句填空How did it come that you missed so good a chance?Can you explain it came about that you were an hour late for such an important meeting?I wonder how it came

2、 about a young man was drowned in such shallow water.about howthat-3-考点必记考点必记e about某事发生It comes about that.发生。How does it come about that.?是怎样发生的?It comes about like this.事情是这样发生的考点提示考点提示come about相当于happen 或occur,均无被动形式。-4-2.quantities of大量的教材原句The problem begins when we add huge quantities of ext

3、ra carbon dioxide into the atmosphere.(P26)当我们向大气中排放大量的多余的二氧化碳的时候,问题就开始产生了。语境巧练语境巧练单句填空A large quantity of oil(sell)to China the year before.It was reported that huge quantities of sheep(transport)abroad recently.Large quantities of food(waste)because of the way it looks.I can ask him if he can give

4、 us a better price if we buy quantity.was soldhave been transportedare wastedin-5-考点必记考点必记a quantity of许多,大量a large quantity of=quantities of大量的in large quantities大量地in quantity大量地考点提示考点提示a large quantity of和quantities of后可以接可数或不可数名词,做主语时,谓语动词的单复数形式取决于quantity的单复数。-6-3.tend vi.趋向;易于;照顾vt.照顾;护理教材原句It

5、 means that more heat energy tends to be trapped in the atmosphere causing the global temperature to go up.(P26)它意味着更多的热能将被困在大气层中,从而引起全球气温上升。语境巧练语境巧练单句填空He tends(get)very angry when people disagree with him.There is a growing(tend)for people to work at home instead of in offices.The soldiers wounds

6、were skillfully(tend)by the nurses.to gettendencytended-7-考点必记考点必记tend to do倾向于做,往往会tend the garden照料花园tend the wounded/children照顾伤员/儿童tendency n.趋势;倾向have a tendency to do sth.有做某事的倾向/可能性-8-4.result in导致教材原句They also agree that it is the burning of more and more fossil fuels that has resulted in th

7、is increase in carbon dioxide.(P26)他们还赞同下述观点:正是由于越来越多的燃烧化石燃料导致了二氧化碳的增加。语境巧练语境巧练单句填空Such a conclusion resulted his being away from his work for a month.Actually,these misunderstandings resulting lack of social communication may lead to serious problems.infrom-9-考点必记考点必记result in=lead to导致result from.

8、由造成;因而产生as a result结果;因此as a/the result of由于,因为without result没有结果-10-5.oppose vt.反对;反抗;与(某人)较量教材原句On the other hand,there are those,like George Hambley,who are opposed to this view and believe that we should not worry about high levels of carbon dioxide in the air.(P27)另一方面,还有一些人,像乔治汉布利,反对上述观点,认为我们不

9、必担心空气中会有高含量的二氧化碳。语境巧练语境巧练单句填空A minority of people opposed(build)a new high-speed railway.(oppose)to the plan of raising prices,the public decided to go on strike on Sunday.My father was violently opposed my going abroad.buildingOpposedto-11-考点必记考点必记oppose(ones)doing sth.反对(某人)做某事opposed adj.反对;对立的;相

10、反的be opposed to.反对object to.反对;不赞成考点提示考点提示上述短语中的to都是介词。-12-6.state v.陈述;说明n.状况,情况;国家,领土教材原句In fact,Hambley states,“More carbon dioxide is actually a positive thing.”(P27)事实上,汉布利说,“二氧化碳含量的增加实际上是件好事”语境巧练语境巧练单句填空The roads are a terrible state after the severe winter weather.April 23(state)as World Book

11、 Day last year,an important date for literature around the world.He explained a(state)patiently with many examples.inwas statedstatement-13-考点必记考点必记state that.陈述,说明It is stated that.陈述,说明as stated above如上所述in a.state 处于状态statement n.陈述;说明make a statement陈述,发表声明-14-7.average adj.平均的n.平均,平均数教材原句The gr

12、eenhouse effect gives the earths surface the average temperature of 15.(P29)温室效应使地球表面的平均温度上升了15。语境巧练语境巧练单句填空average,there are 2,000 visitors to the exhibition every day.You can see that the young graduate is just average height.完成句子本市的经济增长远在全国平均之上。Economic growth in this city isthe national average.

13、Onofwell above-15-考点必记考点必记above/below average高于/低于平均水平up to the average达到一般水平on average通常,一般说来the average of 的平均数be of average height/intelligence中等个头/智力-16-8.put up with 忍受;容忍教材原句We do not have to put up with pollution.(P30)我们不必去忍受污染。语境巧练语境巧练单句填空Working in that place,these building workers have a l

14、ot to put up.Its so cold that I couldnt bear(keep)waiting in the open air.Believe it or not,I cant stand(sit)all day and doing nothing.withbeing keptsitting-17-考点必记考点必记put up with sb./sth.忍受某人/事cant stand sb./sth.无法容忍某人/事cant stand(sb.)doing sth.无法忍受(某人)做某事cant bear doing/to do sth.无法忍受做某事-18-9.so l

15、ong as 引导条件状语从句教材原句It is OK to leave an electrical appliance on so long as you are using itif not,turn it off!(P30)只要你在使用电器设备,你便可以把它开着。如果不用就把它关掉!语境巧练语境巧练完成句子只要你能在10点钟之前回来,你就可以外出。before 10 oclock,you can go out.新建成的这座桥和那座旧桥一样长。The newly-built bridge is the old one.As long as you can come backas long

16、as-19-考点必记考点必记so long as=as long as 可以引导条件状语从句,表示“只要”,这一用法可以用on condition that替换。考点提示考点提示as long as还可以表示原级比较,意为“和一样长”。-20-10.circumstance n.环境;情况教材原句Recycle cans,bottles,plastic bags and newspapers if circumstances allow you to.(P30)如果情况允许,把罐头盒、瓶子、塑料袋和报纸回收利用起来。语境巧练语境巧练单句填空The result was the best tha

17、t could be expected that circumstance.完成句子你无论如何也不能离开这屋子。must you leave the house.in/underUnder/In no circumstances-21-考点必记考点必记in/under no circumstances决不;无论如何都不in/under the circumstances在这种情况下under any circumstance 在任何情况下in normal circumstances在正常情况下-22-.单句填空1.Theres a lot of (disagree)among these c

18、ountries on this issue.2.The rise of prices has been criticized by most of the(consume).3.Every one of us can make a(contribute)to our country if we make an effort.4.The temperature ranges 14 to 32 degrees in that area.5.There(be)large quantities of rain in this area.disagreementconsumerscontributio

19、nfromare-23-6.Do you know how the trade war between the two countries comes?7.Do you know when this kind of robot came into(exist)?8.As(state)in the contract,the work should be finished in three months.9.The minister was asked to make a(state)on the progress of the peace talks.10.The prices of house

20、s in this city have risen(steady)during the past decade.aboutexistencestatedstatementsteadily-24-.单句改错1.Many quarrels have been come about between them because they often misunderstand each other.2.With more forests being destroyed,huge quantities of good earth is being washed away each year.3.His c

21、areless speech at the closing ceremony resulted from much argument.4.It is not appropriate to wear so casual on such a formal occasion.5.As we know,many natural phenomenon remain to be explored in our world.去掉beenisarefromincasualcasuallyphenomenonphenomena-25-6.Most of the citizens are opposed to n

22、ame the city after an ancient scientist.7.The student kept on asking his professor why she didnt subscribe with his view.8.Amusingly,she glanced shyly to the young man from behind her fan.9.Reasons for joining a club at school range from making more friends to enrich our social life.10.There are som

23、e small mistakes in your test paper,but in the whole it is satisfactory.namenamingwithtotoatenrichenriching第二个inon-26-.话题微写作写作内容提示写作内容提示1.我们每天扔掉大量的垃圾。(quantity)2.这些垃圾导致了严重的环境污染。(result)3.缺乏环保意识造成了乱扔垃圾的坏习惯。(lack of,lead to)4.毫无疑问,到了提高我们保护环境意识的时候了。(doubt)5.只要我们人人行动起来,创造一个美丽的环境是很有可能的。(so long as)连句成文连句

24、成文(参考上述提示,通过合理想象整合成一篇短文)-27-Every day we throw away large quantities of rubbish.And the rubbish results in serious pollution.It is lack of the environmental awareness that leads to the bad habit of throwing away rubbish everywhere.There is no doubt that it is time to raise our awareness of protecting the environment.So long as everyone takes action,it is quite possible to build a beautiful environment.