2013-2014学年高中英语同步课件：UNIT4 GLOBALWARMING 第二学时 （新人教版选修6）.ppt

1、第二学时 Learning about LanguageGlobal warming 1It is a rapid increase compared to most natural changes.(P26)跟多数自然变化相比较而言，这却是一种快速的增长。词语链接：compared to/with和比起来相比,(过去分词短语充当状语)compare with/to 与类似，比得上compare.to.把比喻成compare.with/to.把与作比较by comparison with 与相比即学即练：完成下列句子。(1)This school _(可与媲美)the best in the

2、country.(2)_(与他所收藏的相比),the new stamps were not very interesting.(3)It was a small place then _.(与现在相比)(1)compares with(2)Compared to/with what he had(collected)already(3)compared to what is now(4)He _.(把心脏比作水泵)(5)Black _.(把伦敦的公园比作人体的肺部)(6)If you _(把这本字典和那本比较一下),youll find many differences.(4)compare

3、d the heart to a pump(5)compared the parks of London to the lungs of the human body(6)compare this dictionary with that one2So how has this come about and does it matter?(P26)这种温度的增长是怎么产生的呢？会产生什么影响呢？词语链接：come about：发生，造成come out出来；出版；开花；发芽；结果(如何)；(消息)传开come up发生，举行，走过来；被提出come over(从远处)来到；改变立场/观点com

4、e along 跟着去，赶快；进行，进展How come 句子.?是怎么回事/怎么发生的？How did it come about that.?是怎么回事/怎么发生的？即学即练：选用上述词语完成下列句子。(1)Sometimes it is hard to tell _.(吵架是如何发生的)(2)The secret will finally_.(泄露出去)(3)I _(获得第一名)in the examination.(4)A beggar _(走上前)to us and asked for money.(5)The question of drugtaking _(一定会被提出来)at

5、the next conference.(6)_(跟我来),Ill show you to your room.(1)how a quarrel comes about(2)come out(3)came out first(4)came up(5)is bound to come up(6)Come along(7)Its already 10 oclock.I wonder how it _（发生）that she was two hours late on such a short trip.(8)你怎么不到英国来度假呢？_(9)他是怎么知道我们在什么地方的呢？_(7)came abou

6、t(8)Why dont you come over to England for a holiday?(9)How did it come about that he knew where we were？Or：How came he knew where we were?3All scientists subscribe to the view that the increase in the earths temperature is due to the burning of fossil fuels like coal,natural gas and oil to produce e

7、nergy.(P26)所有科学家都同意燃烧煤、天然气、石油等化石燃料导致了地球气温升高。词语链接：subscribe vi.同意，订阅，捐助 vt.签署(文件),捐助subscription n订阅，订阅费，捐款subscriber n订阅人，订购者subscribe to 同意，订阅，捐助即学即练：完成下列句子。(1)This magazine is available by _.(2)We no longer _the view that women are inferior to men.(3)He _ regularly to the Hope Project.(4)He _ all

8、the papers before he left.(1)subscription(2)subscribe to(3)subscribes(4)subscribed4The problem begins when we add huge quantities ofextra carbon dioxide to the atmosphere.(P26)而当我们使大气层中增加了大量额外的二氧化碳时，问题就来了。quantity 数量：和质量相对时作不可数名词；指具体数量时作可数名词。温馨提示：短语a(large)quantity of或(large)quantities of 后既可跟可数名词的复

9、数也可跟不可数名词。“a quantity of 名词”构成主语时，谓语动词的数通常根据quantity的数来确定。“large quantities of 名词”做主语，谓语只能用复数形式。词组in quantity表示“大量地”。即学即练：用quantity和quantities填空。(1)_of apples were in the basket and a large _of milk was in the bucket.(2)Its a lot cheaper if you buy it in _.(3)This company is more concerned with qual

10、ity than _.(1)Quantities，quantity(2)quantity(3)quantity5They also agree that it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide.(P26)他们还认为，正是由于燃烧的化石燃料越来越多而导致了二氧化碳的增加。词语链接：result in引起，导致(某种结果)(lead to;bring about;contribute to)result from 由造成，因而产生；即学即

11、练：用result in 和result from 填空。(1)The accident _ three deaths.(2)He was ashamed that his hesitation _ failure.(3)Sickness often _ eating too much.(4)His failure _ not working hard enough.(1)resulted in(2)resulted in(3)results from(4)resulted from6In fact,Hambley states，“More carbon dioxide is actually

12、 a positive thing.It will make plants grow quicker;crops will produce more;it will encourage a greater range of animalsall of which will make life for human beings better.”(P27)汉布莱实际上是这样说的：“二氧化碳含量的增加实际上是件好事。它使植物生长更快，庄稼产量更高，还会促进动物的生长所有这些都能改善人类的生活。”词语链接：state v陈述，说明，宣布，声明n状况，情况；国家statement n陈述stated a

13、dj.约定的，已经说明的the head of state 国家首脑即学即练：A完成下列句子。(1)Youd better _.(说清楚自己的见解)(2)He_(已声明)his intention to run for election.(3)_(据说)that all the people in the accident were killed.(4)He arrived _.(按照既定的时间)(5)He is _.(健康状况不太好)A.(1)state your views clearly(2)has already stated(3)It is stated(4)at the state

14、d time(5)in a poor state of health词语链接：range n范围 v从到各种种类beyond the range of 超越的范围out of ones range 某人达不到的地方或范畴range from.to.从到不等range between.and.从到不等即学即练：B将下列句子译成汉语。(1)The company puts out a large range of products._(2)The two countries are separated by a range of mountains._(3)His interests range

15、from chess to boating._(1)这家公司生产的产品名目繁多。(2)这两个国家被一系列山脉隔开。(3)他的爱好从下国际象棋到划船，什么都喜欢。7Greenhouse gases continue to build up in the atmosphere.(P27)温室气体继续在大气层中聚集。build up:逐步建立，增加，增进即学即练：完成下列句子。(1)The clouds _.(正在聚集)(2)He _(逐步恢复体力)again after an illness.(3)Taking exercise will _.(增强体质)(1)are building up(2)

16、built up his strength(3)build up your body8Even if we start reducing the amount of carbon dioxide and other greenhouse gases,the climate is going to keep onwarming for decades or centuries.(P27)即使我们开始减少二氧化碳及其它温室气体的含量，在未来几十年或几个世纪内，气候仍会持续升温。keep on doing sth.老是(不断)做某事温馨提示：在很多情况下keep on doing和keep doin

17、g 意思差不多，但是当强调决心和毅力时，通常用keep on doing。即学即练：完成下列句子。(1)If you _(老是犯同样的错误),youll be dismissed.(2)Prices _(不断地上涨)and they began to feel stressed.(3)I noticed Peter _.(老是盯着我看)(4)They _(继续工作)although they were tired.(1)keep making the same mistake(2)keep increasing(3)kept looking at me all the time(4)kept

18、on working9glance v&n.匆匆一看，扫视词语链接：at first glance 乍一看，乍看之下glance at 浏览，简略提及即学即练：完成下列句子。(1)He _(瞥了一眼那个信封)and recognized his uncles handwriting.(2)_(乍一看)the problem seemed easy.(1)glanced at the envelope(2)At first glance10on the whole 从整体看，大体上as a whole作为一个整体；总的来说即学即练：用on the whole,as a whole填空。(1)I

19、think our trip was very successful _.(2)You have made a few mistakes but _ you have done well.(3)The festival is of great importance for our city and for the country _.(1)on the whole(2)on the whole(3)as a whole11average n平均，平均数 adj.平均的，普通的词语链接：on(the)average 平均地above/below(the)average在平均水准以上/以下即学即练

20、：完成下列句子。(1)_ of 6 and 12 is 9.(2)1,000 people a year die of this disease _.(3)Temperatures this year are _，so we feel a little cooler than before.(1)The average(2)on(the)average(3)below the average12On the other hand，there are those，like George Haurbley，who are opposed to this view.(P27)另一方面，还有一些人，像

21、科学家乔治汉布利，反对上面的观点。oppose v反对，抵制They opposed the new tax.他们反对新税。I oppose your going there alone.我反对你单独去那里。I would oppose changing the law.我将反对改变这个法规。词语链接：opposite adj.完全不同的，相对的；prep.在的对面；adv.在对面；n.相反的人/物，对立面be opposed to反对(to是介词)即学即练：选用上述词语填空。(1)He _ strongly _ the plan.(2)Father does not _ the idea a

22、t all.(3)The new tax program may meet with fierce _.(4)There was a garden on the _ side of the street.(1)is，opposed to(2)oppose(3)opposition (4)opposite13长难句结构分析(1)Even_if_we_start_reducing_the_amount_of_carbon_dioxide_and_other_greenhouse_gases(状语从句)，the_climate(主语)is_going_to_keep_on_warming(谓语)fo

23、r decades or centuries(状语)(全句结构为：主语谓语状语)这是一个复合句，even if引导让步状语从句，the climate.or centuries是主句。(2)They(主语)are_made(谓语)from_oil_and_gas(状语)，which_are_nonrenewable_resources(定语从句)(全句结构为：主语谓语状语)这是一个复合句。which引导非限制性定语从句，说明先行词oil and gas。即学即练：模仿造句，并分析句子成分。(1)即使我跟他们说的是实话，他们也不会相信。_(2)这条街道有好几周没有清扫了，很脏。_答案：(1)Ev

24、en if I did tell them the truth(状语从句)，they(主语)wouldnt believe(谓语)me(宾语)(2)The street(主语)hasnt been cleared(谓语)for weeks(状语)，which makes it very dirty(非限制性定语从句)这是一个复合句。which引导非限制性定语从句，对主句作补充说明。一、用所给单词的适当形式填空。1The spokesman of government made a _(state)to the public to explain the accident.2What the _

25、(consume)need most is what the businessmen care most.3They are totally _(oppose)to the new plan.4These years，our company has been developing _.(steady)5Most of the villages around have been obviously _.(pollution)6Having lived in Paris for 35 years，he experienced many social and cultural _(phenomeno

26、n)of France.1 statement2.consumers3.opposed4.steadily5.polluted6.phenomena二、词语活用1用range的相关词语完成下列小段落。The supermarket(1)_(有种类繁多的)goods.Their prices(2)_(从几元到几百元不等)According to their varieties，the shop assistants(3)_(把他们整齐地排列)on the shelves.1(1)keeps a wide range of(2)range from just only a few yuan to

27、several hundred yuan(3)range them neatly2用compare.to/with,compare with,compared to,by comparison with,compare.to等词语自编一个小段落。_答案：Liu Sha sat on the sofa，feeling rather depressed.Compared to Li Ling，one of her roommates when she was studying in the normal university，she was down and out(穷困潦倒)She compar

28、ed herself with Li Ling and thought she could be well compared with Li Ling both in appearance and ability.But her husband was humble compared to Li Lings.As she was weeping，the telephone rang.It was Xiao Xu，the beautiful girl who was compared to a red rose by many boys.She told Liu Sha she was out

29、of work again and was hunting for job.Liu Shasmiled.She was better off by comparison with Xiao Xu.She felt much better now.三、动词专练用所给动词的适当形式填空。1When _（compare）different cultures,we often pay attention only to the differences without noticing the many similarities.(compare)2In the atmosphere _(surroun

30、d)the earth there are gases _(call)“greenhouse gas.”3As Im not sure where _(start)with my project,I would appreciate any suggestions you may have.4It takes a lot of energy _(make)things from new materials,so,if you can,buy things _(make)from _(recycle)materials.1comparing2.surrounding，called3.to sta

31、rt 4to make，made，recycled5With his money _ out,he couldnt go back home.(run)6With more forests_(destroy),huge quantities of good earth _(wash)each year.7Environmentalists have tried to stop the earths temperature _.(rise)8What are the names of the scientists _(mention)in the text?5.running6.being de

32、stroyed，are being washed away7.rising8.mentioned四、将下列句子译成英语。1正如他所预料的那样，事情发生了。2上周我们每个人向希望工程捐款10元。3病后他逐步恢复了体力。4他反复问那些愚蠢的问题。1The event came about as he had predicted it.2Last week each of us subscribed 10 yuan to the Hope Project.3He built up his strength again after an illness.4He kept on asking silly questions.祝您