1、高中英语选修6 Unit 4 Global warming教案Unit 4 Global warming.重要单词聚焦1 vt. 消费；消耗；耗尽；吃完2 adj. 胡乱的；任意的3 n. 现象4 n. 燃料5 n. 量；数量6 vi. 趋向；易于；照顾 vt. 照顾；护理consumerandomphenomenonfuelquantitytend7 n. 资料；数据8 n. 趋势；倾向；走向9 n. 大灾难；浩劫10 vt. 反对；反抗；与(某人)较量11 adj. 反对的；独立的12 adj. 温和的；温柔的；淡的13 n. 结果；后果；影响14 vt. 陈述；说明15 n. 种类；范围
2、16 vi. 看一下；扫视 n. 一瞥datatrendcatastropheopposeopposedmildconsequencestaterangeglance17 adj. 平稳的；持续的；稳固的18 adj. 平均的19 n. 生存；存在20 vt. 拥护；提倡；主张21 adj. 随便的；漫不经心的；偶然的22 n. 环境；情况23 n. 贡献24 n. 分歧；不一致steadyaverageexistenceadvocatecasualcircumstancecontributiondisagreement.重点短语扫描1e 发生；造成2subscribe 同意，赞成，订阅3go
3、 上升； 增长；升起4be to 反对5keep 继续6 the whole 大体上；基本上7on 平均来看 average 低于/高于平均水平8put with 忍受；容忍abouttoupopposedononaveragebelow/aboveup9and so 等等10 of 大量的11result 导致12even 甚至13on of 代表一方；作为的代言人14so as 只要onquantitiesinifbehalflong.课文原句突破1There is no doubt that the earth is being warmer and that it is human a
4、ctivity that has caused this global warming rather than a random but natural phenomenon.信息提取theres no doubt that.意为“是毫无疑问的”。例句仿写毫无疑问，北京奥运会是一个巨大成功。_ _ _ _ _Beijing Olympics was a great success.【答案】There is no doubt that2Even if we start reducing the amount of carbon dioxide and other greenhouse gases
5、，the climate is going to keep on warming for decades or centuries.信息提取even if即使；尽管，引导让步状语从句，与even though近义。例句仿写即使受到邀请我也不去参加他的晚会。_ _ _ _ _，I will not go to his party.【答案】Even if I am invited3It is OK to leave an electrical appliance on so long as you are using itif not，turn it off!信息提取so long asas lo
6、ng as“只要”引导条件状语从句。例句仿写只要你有自信，你会获胜的。_ _ _ _ _ _ _ _，youll win.【答案】So long as you have confidence in yourself4It takes a lot of energy to make things from new materials，so，if you can，buy things made from recycled materials.信息提取句中take作为“需要”讲，常用于It takes.to do.结构。例句仿写要想成为一名长跑运动员，需要有体力和耐力。_ _ _ _ _ _ _a
7、longdistance runner.【答案】It takes strength and patience to bequantity n量；数量(1)in quantity (in large amounts)/in large quantities大量地Its a lot cheaper if you buy it in quantity.如果你大量购买要便宜得多。My brother bought a large quantity of books.我弟弟买了大量的书。There are large quantities of rain in this area.这个地区的雨量很大。Q
8、uantities of food and tents were sent to Wenchuan from Shandong.大量的食品和帐篷被从山东运到汶川。a quantity of后同样可接不可数名词或可数名词的复数形式。但当它作主语时谓语动词一般根据其所修饰的名词而定，而quantities of作主语时，不论其后的名词可数或不可数，谓语动词都用复数。1(2009年福建卷)Why does the lake smell terrible?Because large quantities of water_.Ahave polluted Bis being pollutedChas b
9、een polluted Dhave been polluted【解析】句意为：这湖水怎么这么难闻？因为大量的水已经被污染了。本题考查时态、语态及主谓一致问题。water与pollute为被动关系，故排除A项；B表“正被污染”，故排除；large quantities of后加名词，谓语动词应与quantities保持一致，故排除C项，答案为D项。【答案】Doppose vt.反对；反抗；与(某人)较量 (1)oppose sth./doing sth./sb.doing sth.反对某事/做某事/某人做某事He opposed the proposal to build a new hall
10、.他反对修建新礼堂的建议。I oppose you/your going there alone.我反对你单独去那儿。(2)be opposed to.反对；与对立She seems very much opposed to your going abroad.她好像很反对你出国。To be honest，I am opposed to your plan.说实话，我反对你的计划。average(1)adj.平均的；普通的；正常的；平常的The average age of the boys in this class is fifteen.这个班级男生的平均年龄为十五岁。There is n
11、othing special about him，he is very average.他没有什么特别的，他非常普通。(2)n.平均数；平均水平；一般水准My school work is well above average.我的学习成绩远远高于平均水平。On average men smoke more cigarettes than women.平均看来，男子比女子吸烟多。2Dont expect too much of him.After all，he is a child of_intelligence.Aaverage BslightCstrange Ddifferent【解析】根
12、据前句“不要对他期望太大”。可以推断，这个孩子智力水平一般。【答案】Aglance(1)vi.看一下；扫视He glanced over his shoulder nervously.他紧张地回头张望。He glanced over the morning paper and went out.他匆匆地浏览了晨报然后出去了。(2)n.一瞥；匆匆一看I could see at a glance that it wasnt his own work.我一眼就看出这不是他本人的作品。I took a glance at the hall and found many familiar faces
13、among the audience.我扫视了一下大厅，发现观众中有许多熟悉的面孔。3After a quick_at the patient，the doctor rang for an ambulance.Aglance BglareCgaze Dstare【解析】句意为：在看了病人一眼之后，医生打电话叫了救护车。glance扫视，匆匆一看，一瞥。【答案】Acircumstance环境；情况(常用复数)In/Under the circumstances he felt unable to accept the job.在这种情况下，他觉得无法接受这项工作。In/Under no circ
14、umstances should a baby be left alone in the house.无论如何都不能把婴儿独自留在家里。Circumstances permitting，Ill go abroad to study.情况允许的话，我要出国学习。4Under no circumstances_to move to a new place far away from her workplace，because it isnt convenient for her family and herself.AKaren will agree Bwill Karen agreeCKaren
15、 will disagree Dwill Karen disagree【解析】句意为：因为对于Karen和她的家庭来说搬到远离她的工作地点去住是太不方便，所以她决不同意搬家。题中因为under no circumstances(决不)这一否定短语开头，故此应用倒装结构，排除A、C。根据句意可以排除D选项。【答案】Be about产生；发生；没有被动式，有时用it作形式主语，后面跟that引导的主语从句。The driver wouldnt tell me how the accident came about.司机就是不告诉我事故是怎么发生的。Ill never understand how
16、it came about that you made such a mistake.我真不明白你居然犯了这么个错误。辨析：e about，happen，take place与break out(1)e about 发生，产生，指要求解释或说明事情发生的理由。经常与how连用。How did these differences e about?这些差别是怎样产生的？(2)happen 发生，常用词汇，指偶然的，意外的，具体客观事物的发生或出现，尤其指自发的未能预见的事情发生。Luckily the earthquake didnt happen in the center of the cit
17、y.幸亏地震没有发生在市中心。(3)take place 发生，指事件或事故的发生是在预料中的并非是偶然的，进而引申为按计划“进行，举行”。Great changes have taken place in our school in the past few years.最近几年我们学校发生了很大变化。(4)break out指战争、火灾、疾病等的突然“发生、爆发”。A fire broke out during the night.夜间突然发生了火灾。5Its already 10 oclock.I wonder how it_that she was two hours late on
18、such a short trip.Acame over Bcame outCcame about Dcame up【解析】句意为“已经十点钟了。我不知道是怎么回事，这么短的路程她迟到了两个小时”。e over来访；e out出来，出版；e about发生，出现；e up出现，到来。【答案】Cresult in导致，主语为起因，宾语为结果。The accident resulted in two deaths.这场事故导致两人死亡。Our efforts resulted in success.我们的努力终于成功了。(1)result from.由造成；因而产生(2)as a result结果
19、(3)as a result of.由于的结果(4)without result没有结果；白费The terrible accident resulted from his carelessness.那桩可怕的意外事件因他的疏忽大意而引起。He was late as a result of the rain.由于下雨他迟到了。We tried hard，but without result.我们尽了很大努力，但白费了。6Any damage_carelessness must be paid for by the borrower.Aresulting from Bresulting inC
20、resulted from Dresulted in【解析】根据句子结构可排除C、D两项。句意为“由于疏忽所引起的任何损失应由借用者负责赔偿”。result in导致，致使；result from起因于。【答案】Aput up with意为“忍受；容忍”，既可接人，也可接事物。I dont know how his parents put up with his bad behaviour.我不知道他的父母是如何忍受他的恶劣行为的。She could hardly put up with that fellow any longer.她再也不能忍受那家伙。I wont put up with
21、her rudeness any longer!我再也不会容忍她的粗鲁无理了。stand，bear，tolerate忍受，容忍He cant stand being laughed at in public.他忍受不了在场合被嘲笑。7I can_some noise while Im studying，but I cant stand very loud noise.Aput up with Bget rid ofChave effects on Dkeep away from【答案】AThere is no doubt that the earth is being warmer (see
22、Graph 1) and that it is human activity that has caused this global warming rather than a random but natural phenomenon.毫无疑问，地球正变得更加暖和(见图表1)，而且全球转暖是人为的，而不是随意的自然现象。在本句型中，that从句是同位语从句，表示doubt的内容。用法与there is a chance that.是一样的。(1)doubt作为名词，若用在否定句或疑问句中，后面接that引导的同位语从句；若用在肯定句中，后面接whether引导的同位语从句。注意此时不可以用i
23、f替换whether。(2)doubt作为动词，若用于否定句和疑问句中，后面接that引导的宾语从句；若用于肯定句中，后面一般接whether或if引导的宾语从句 。There is no doubt that they will agree with you on this matter.毫无疑问，他们在这件事上会同意你的。There is no doubt that radio and television are important means of munication.毫无疑问，收音机和电视机是信息交流的重要方式。I have no doubt that he will succee
24、d.我相信他会成功的。Theres some doubt whether/if he is fit for the job.他是否胜任这项工作有点疑问。He doubts if she will keep her word.他不敢肯定她是否会遵守诺言。I dont doubt/have no doubt that he will win the race.我不怀疑他将赢得比赛。8Some researchers believe that there is no doubt_a cure for AIDS will be found.Awhich BwhatCthat Dwhether【解析】T
25、here is no doubt that.为固定搭配，意为“是毫无疑问的”。【答案】CIt is OK to leave an electrical appliance on so long as you are using itif not，turn it off！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！(1)so long asas long as “只要”引导条件状语从句。You may borrow the book as long as/so long as you keep it clean.只要你不把书弄脏，就可以借给你。So long as/As long
26、 as you have confidence in yourself，youll win.只要你有自信，你会获胜的。as long as只能用于肯定句，而so long as既可用于肯定句又能用于否定句。as long as还可意为“与一样长，长达”。We need a rope as long as 30 metres.我们需要一条30米长的绳子。9(2009年北京卷)You may use the room as you like_you clean it up afterwards.Aso far as Bso long asCin case Deven if【解析】句意为：你尽可随意
27、使用这个房间，只要你过后打扫干净即可。so far as远到；就而言；so long as只要；in case以防(万一)；even if即使。【答案】B10(2008年全国卷)Have you got any idea for the summer vacation?I dont mind where we go_theres sun，sea and beach.Aas if Bas long asCnow that Din order that【解析】句意为：暑假有什么打算？去什么地方都行，只要有阳光、大海和沙滩就可以了。as long as只要，引导条件状语从句；as if好像；now
28、that既然；in order that为了，不符合语境要求。【答案】B11(2008年安徽卷)Do you have a minute？Ive got something to tell you.OK，_you make it short.Anow that Bif onlyCso long as Devery time【解析】句意为：你有时间吗？我有事要给你说。好的，只要长话短说。考查一组短语作连词的用法。now that既然；由于，引导原因状语从句；if only要是就好了，用虚拟语气，表示与事实相反的情况；so long as只要，表示条件；every time每次；每当，表示时间。【
29、答案】C(2)if not在本句中是if you are not using it的省略形式I think the train leaves at midday.Youd better take a taxi.If not，maybe youll miss it.我想火车是正午开，你最好打的去，否则可能会误车的。Is anybody feeling cold？If not，lets put the central heating off.有谁感到冷吗？如果没有，就把暖气关掉。(1)if so如果这样Have you got a free evening next week？If so，lets have dinner together.下周你哪个晚上没事？如果没有事，我们去吃饭吧。(2)if any若有Point out errors，if a
