《Book6unit4知识点.ppt》由会员分享，可在线阅读，更多相关《Book6unit4知识点.ppt（28页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、Unit 4Global warming Language points1.it is a rapid increase when compared to most naturalchanges.(和别的自然变化相比时却是一个快速的增长。和别的自然变化相比时却是一个快速的增长。)1)vt.比较；对照。比较；对照。comparewith/to表示表示“把把与与相比（同类相比）相比（同类相比）”如：如：.He compared this camera with/to that one.My handwriting can not be compared with/to his.2)vt.喻为；比拟
2、喻为；比拟。compareto 表示表示“把把比做比做（异类（异类相比，比喻）相比，比喻）”如：如：莎士比亚把世界比做舞台。莎士比亚把世界比做舞台。（他拿这个相机与那个相比较。他拿这个相机与那个相比较。)（我的书法不能与他的相比。）（我的书法不能与他的相比。）Shakespeare compared the world to a stage.【理解句子理解句子】：知识拓展：知识拓展：compared to/with 与与相比相比,只能作状语只能作状语Compared to/with many women,she was indeed very fortunate.运用运用:.我的英文水平不如他
3、。我的英文水平不如他。My English cannot compare with/to his.My English cannot be compared with/to his.诗人把她比作玫瑰诗人把她比作玫瑰。The poet compared her to a rose.与他的车相比，我的有点小。与他的车相比，我的有点小。Compared to/with his car,mine was a bit small.读一读，记一记读一读，记一记2.So how has this come about and does it matter?(这是怎么发生的，会产生什么影响呢？)考点考点 co
4、me about come about是不及物短语，意为是不及物短语，意为“发生发生”。Please tell me how the accident _.I am still in the dark.(2005 江西江西)A.came by B.came out C.came to D.came about 得到，获得得到，获得出来，出来，露出露出达到达到 How did the accident come about yesterday?经典例句经典例句：昨天那起车祸是怎么发生的？：昨天那起车祸是怎么发生的？Its already 10 oclock.I wonder how it _ t
5、hat she was two hours late on such a short trip.(湖北湖北2006)A.came over B.came out C.came about D.came up 点拨点拨 根据句意根据句意“已经十点钟了。我不知道是怎已经十点钟了。我不知道是怎么回事，这么短的路程她迟到了两个小时。么回事，这么短的路程她迟到了两个小时。”选选C。come over来访；来访；come out出来，出版；出来，出版；come up出现，到来。出现，到来。3.subscribe to the view(that)赞成这种观点赞成这种观点1)Do you subscribe
6、 to her view of the state of the economy?同意，支持同意，支持2）I subscribed to several English magazines to improve my reading.订购，订阅订购，订阅3）They subscribed much money to the flood_stricken area.向向捐款，出钱捐款，出钱拓展拓展subscription n.订金，订阅，签署订金，订阅，签署subscriber n.订户，捐献者订户，捐献者agree to;support order contribute to理解运用：理解运用
7、：老师同意了我们周末要去野餐的计划老师同意了我们周末要去野餐的计划(同位语从句同位语从句).Our teacher subscribed to the plan that we would go on a picnic this weekend.4.go up It means that more heat energy tends to be trapped in the atmosphere causing the global temperature to go_up.这意味着更多的热量被困在大气层中，从而引起全球温度上升。这意味着更多的热量被困在大气层中，从而引起全球温度上升。(1)T
8、he elevator went up to the fourth floor.电梯升到了四楼。电梯升到了四楼。（2）There are new houses going up along the river.沿河建起了新房子。沿河建起了新房子。动词短语动词短语go up的意思有的意思有“升；攀登；向上去，升；攀登；向上去，盖起来，盖起来，修建起来修建起来；涨价；涨价”等。类似意义的词还等。类似意义的词还有有rise，increase等。其反义词是：等。其反义词是：go down，fall down，decrease。(1)物价又上涨了。物价又上涨了。Prices _ again.(2)到处都
9、盖起新的大楼。到处都盖起新的大楼。New buildings _ everywhere.have gone upare going up【归纳总结归纳总结】：【即景活用即景活用】：5.huge quantities of carbon dioxide into the atmosphere a great large quantity of 大量的 quantities of 大量的;in quantity 大量地，成批地大量地，成批地 Quantities of food were on the table.桌上摆了大量食物桌上摆了大量食物。：1）桌上摆了大量书籍。桌上摆了大量书籍。Quan
10、tities of books were on the table.A large quantity of books were on the table.2）桌上摆了许多冰激凌桌上摆了许多冰激凌。Quantities of ice cream were on the table.A large quantity of ice cream was on the table.【即景活用即景活用】：1).many a/an+可数可数 n.+单单v.2).many,a good many,quite a few,a great number of,scores of,dozens of+可数可数n.
11、+复复v.3).much,a great deal,a great amount of+不可数不可数n.+单单v.A lot of,lots of,Plenty ofA great quantity of,Quantities of+可数可数n./不可数不可数n.【归纳归纳 拓展拓展】：6.result in(P26)1）They also agree that it is the burning of more and more fossil fuels that has resulted_in this increase in carbon dioxide.他们还一致认为，正是因为越来越多
12、的化石燃料的燃烧他们还一致认为，正是因为越来越多的化石燃料的燃烧才导致了二氧化碳的增长。才导致了二氧化碳的增长。The accident resulted in three people being killed.The accident resulted in his death.这一事故导致他的死亡。这一事故导致他的死亡。result from 起于起于,由于由于,由由引起，引起，主语：主语：from 的宾语：的宾语：His sickness resulted _eating too much.结果结果起因起因from(1)His failure resulted from not wor
13、king hard enough.Not working hard enough_ _his failure.(2)His sickness was caused by eating too much.AHis sickness _ _ eating too much.BHe was ill _ he ate too much.C_ _ _ _ eating too much，he was ill.resulted inresulted frombecauseAs a result of【同义句转换同义句转换】：7On the other hand，there are those，like G
14、eorge Hambley，who are opposed to this view，believe that we should not worry about high levels of carbon dioxide in the air.(P27)另一方面，像乔治另一方面，像乔治汉布利那些人，他们反对这种观点，汉布利那些人，他们反对这种观点，认为我们不应该为空气中二氧化碳含量高担心。认为我们不应该为空气中二氧化碳含量高担心。1）oppose为常用词，指为常用词，指“对某人、某事采取积极行动来对某人、某事采取积极行动来反对反对”，着重动作，尤指，着重动作，尤指“反对某观念、思想、计划反对
15、某观念、思想、计划等等”。如：。如：The father opposed his sons marriage.父亲反对儿子的婚事。父亲反对儿子的婚事。2）object 常指常指“用言论或论据等表示反对用言论或论据等表示反对”，着重，着重“个个人嫌厌人嫌厌”和和“(由于与个人有关因此由于与个人有关因此)提出反对意见提出反对意见”。如：如：I objected to his plan.我反对他的计划。我反对他的计划。【词语辨析词语辨析】：be opposed to:反对反对【理解记忆理解记忆】她强烈反对他们的计划。她强烈反对他们的计划。oppose+n./pron./doingVt.反对，抵制，阻
16、扰反对，抵制，阻扰They opposed the new agreement.1）他们反对新协议）他们反对新协议I opposed your going there alone.2）我反对你单独去那里。）我反对你单独去那里。I would oppose changing the law.She is strongly opposed to their plan.3）我反对改变这项法律。）我反对改变这项法律。【活学活用活学活用】【翻译句子翻译句子】8.consequence：in consequence 因此因此as a consequence 结果结果as a consequence(of.
17、)=as a result(of.)结果结果;因此（因因此（因的原因）的原因）consequent adj.因因而起的；随之发生的而起的；随之发生的 consequently adv.结果结果；因此；必然地；因此；必然地【联想拓展联想拓展】读一读，背一背读一读，背一背：beyond the range of超越超越的范围的范围out of ones range 某人达不到的某人达不到的 The shop keeps_.a wide range of goodsn.范围范围(尤指从尤指从到到各种种类各种种类,可供选择的范围可供选择的范围等，可加不定冠词等，可加不定冠词)；排列；排列【即景运用即景
18、运用】：这家商店商品品种多。：这家商店商品品种多。9.it will encourage a greater range of animalsall of which will make life for human beings better.这将促进动物的生长所有这一切都会使人类的生活变得更好。range n.意思是意思是“范围；射程；山脉；行列范围；射程；山脉；行列”；v.意思是意思是“变化；排列；归类于变化；排列；归类于”，常用于，常用于range from.to.结构，意为结构，意为“从从到到范围内变化范围内变化”。【拓展运用拓展运用】：1)有年龄从七岁到十四岁的两百个男孩。有年龄从
19、七岁到十四岁的两百个男孩。There are two hundred boys _.2)温度在温度在15度到度到35度之间。度之间。The temperature _.ranging from seven to fourteen in age ranges from 15 to 35 degrees10.build up:逐步建立，增加，增进逐步建立，增加，增进build up ones fortunebuild up ones strengthbuild up the businessbuild up the peoples health养精蓄锐养精蓄锐累积财富累积财富扩大扩大,发展发展 增
20、强人民体质增强人民体质【归纳总结归纳总结】：【理解运用理解运用】：Im very glad to see that your vocabulary is gradually building up.We are building up a good business.看到你的词汇量在逐渐增长看到你的词汇量在逐渐增长,我很高兴。我很高兴。我们的生意兴隆。我们的生意兴隆。11.Even_if we start reducing the amount of carbon dioxide and other greenhouse gases，the climate is going to keep o
21、n warming for decades or centuries.(P27)尽管我们已经开始尽管我们已经开始减少二氧化碳和其他温室气体的排放量，但是在减少二氧化碳和其他温室气体的排放量，但是在未来的几十年或几个世纪里气候将会持续变暖。未来的几十年或几个世纪里气候将会持续变暖。1）Even if it rained heavily，we still marched on.即使大雨倾盆，我们还是继续前进。2）We shall go，even if it rains.就是下雨，我们也要去。【观察探究观察探究】：【归纳总结归纳总结】even if有有“虽然、即使、尽管虽然、即使、尽管”的意思，引导
22、让步状语的意思，引导让步状语从句，可以与从句，可以与even though互换，语气比互换，语气比although和和though强，可以放在主句前面也可以放在主句后面。强，可以放在主句前面也可以放在主句后面。Although its raining，they are still working in the field.虽然在下雨，但他们仍在地里干活。虽然在下雨，但他们仍在地里干活。He is very old，but he still works very hard.虽然很老了，但他仍然努力地工作。虽然很老了，但他仍然努力地工作。Though the sore be healed，yet
23、a scar may remain.伤口虽愈合，但伤疤留下了。伤口虽愈合，但伤疤留下了。(谚语谚语)【知识拓展知识拓展】：(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【即景活用】：12.Even if we start reducing the amount of carbon dioxide and other greenhouse g
24、ases，the climate is going to keep_on warming for decades or centuries.(P27)尽管我们已经开始减少二氧化碳和其他温室气体的排放尽管我们已经开始减少二氧化碳和其他温室气体的排放量，但是在未来的几十年或几个世纪里气候将会持续变量，但是在未来的几十年或几个世纪里气候将会持续变1)Keep straight on and youll come to the class.一直往前走就到市场一直往前走就到市场2)He kept on smoking after being told to stop.被告诫戒烟后，他仍继续抽被告诫戒烟后
25、，他仍继续抽。3)I have failed several times，but I still keep on.我已经失败了好几次，但我仍然坚持下去。我已经失败了好几次，但我仍然坚持下去。【观察探究观察探究】：keep on意为意为“继续继续(做某事做某事)；不顾困难、反对；不顾困难、反对或警告而坚持或警告而坚持(做某事做某事)；继续前进，继续工作；继续前进，继续工作”等等。【归纳总结】：【即景活用即景活用】：Even if I fail again，I will _ working hard until I succeed.Agive up Bturn to Ckeep on Dthink
26、 of 13on the whole(P28)On_the_whole the warming of the earth is a phenomenon that causes great concern.大体上，地球变暖是一种引起巨大关注的现象。大体上，地球变暖是一种引起巨大关注的现象。The weather this month has been good on the whole.这个月的天气基本上是好的。这个月的天气基本上是好的。【观察探究观察探究】：on the whole意为意为“总的看来；大体上；基本上总的看来；大体上；基本上”，相当于，相当于in general，mostly，
27、可位于句首、，可位于句首、句中或句尾。句中或句尾。总的看来，我认为他那样做是对的。总的看来，我认为他那样做是对的。Suggested answer：On the whole，I think he was quite right to act as he did.【归纳总结归纳总结】：【即景活用即景活用】：I用括号中所给的单词或短语翻译下列句子。用括号中所给的单词或短语翻译下列句子。(1)即使一个工人持续工作三十余年，他依然买不起房。(even if)(2)总起来说，中国的房价太高。而且房价还在持续增长。(on the whole；tend；keep on)(3)他们坚决要求把房价控制在一定的范
28、围内。(range)(4)尽管政府已经采取了一些措施，但是房价依然在上涨，这导致了许多问题。(although；go up；result in)(5)许多人想知道这是如何造成的。(come about)(6)他们反对政府采取的一些措施。(oppose)Suggested answers：(1)Even if a worker works continually for more than thirty years，he still cant afford a house.(2)On the whole，the price of houses in China is too high.And i
29、t tends to keep on rising.(3)They insist that the price of houses should be controlled within a range.(4)Although the government has taken some measures，the price of houses is still going up，which has resulted in many problems.(5)Many people want to know how it comes about.(6)They oppose some measurements taken by the government.