选修六unit4知识点用法

1、Key phrases 与相比较 2. 发生 3.赞成，订阅 4. 大量的 5. 倾向于做 6. 上涨 7.导致 8.一方面另一方面 9.反对 10.积聚 11.即使1.12.继续 comparewith/to come about subscribe to huge quantities of tend to do go up result in on the one hand on the other hand be opposed to build up even if go up It is a rapid increase when compared to (与与比较比较)other

2、 natural changes. compare vt. 1)比较比较; 对照对照 comparewith/to表示表示“把把与与相比相比(同类相比同类相比)” 如：如： Compared to/with many women, she was indeed very fortunate. Language points 2) 喻为喻为; 比拟比拟compareto 表示表示“把把比做比做(异类异类相比相比, 比喻比喻)” 如：如： Shakespeare compared the world to a stage. compare适当形式填空My handwriting can not b

3、e compared with/to my fathers.A teachers work is often compared to a e about: 发生发生, 造成造成(否定句或疑问句中否定句或疑问句中)你能告诉我事情是怎么发生的吗？你能告诉我事情是怎么发生的吗？ Can you tell me how the accident came about.2. So how has this come about(发生发生) and does it matter?n大家查询：take place happen n occur break out 用法区分n1.The meeting wil

4、l _ next week.n2.I _ to meet him on the way home.n3.It _ to me that I should buy a gift for my mother.n4.Two world wars _ last century.take placehappenedoccurredbroke out1) 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 aboutD2) Its a

5、lready 10 oclock. I wonder how it _ that 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 解析解析: 已经十点钟了已经十点钟了, 我不知道是怎么我不知道是怎么回事回事, 这么短的路程她迟到了两个小时。这么短的路程她迟到了两个小时。come over 来访来访come out 出来出来, 出版出版come up 出现，被提出出现，被提出C There is no doubt that .是固定句

6、型, 意为 “毫无疑问”, that引导的是同位语从句， 用来进一步补充说明doubt的具体内容。 Some researchers believe that there is no doubt _ a cure for AIDS will be found. A. which B. thatC. what D. whetherB3. There is no doubt that (毫无疑问)the earth is becoming warmer and that it is human activity that has caused this global warming rather

7、than a random but natural phenomenon.doubt 1) 作不可数名词作不可数名词, 作作“疑惑疑惑; 怀疑怀疑”肯定句多接肯定句多接whether 同位语从句。同位语从句。否定句中否定句中doubt多接多接that同位语从句。如同位语从句。如: Theres some doubt _ hell keep his promise. She had her doubt _ the new book would sell well. There is no doubt _ they will ask you for help. I have no doubt _

8、you will succeed. whetherwhetherthatthat2)作及物动词作作及物动词作“怀疑怀疑;不能肯定不能肯定; 不大相信不大相信”解解, 一般不用进行时态。一般不用进行时态。用于否定句或疑问句用于否定句或疑问句, 后接后接that引导的宾语引导的宾语从句。从句。用于肯定句用于肯定句, 一般接一般接whether 或或if引导的宾语引导的宾语从句。从句。 如如: I dont doubt _ he is telling the truth. Do you doubt _ he will win the match? I doubt _ we will make a p

9、rofit out of it. We doubt _ she will be persuaded.whether/ifwhether/ifthatthat 2. it is . that .在此句中构成强调句型，在此句中构成强调句型，强调的是主语强调的是主语human activity。强调句型。强调句型除谓语不能强调外，可强调主语、宾语除谓语不能强调外，可强调主语、宾语或状语。或状语。考例考例1 It is not who is right but what is right _ is of importance. (重庆重庆2007)A. which B. itC. that D. th

10、is 考例考例2 I dont mind her criticizing me, but _ is how she does it that I object to. (江西江西2007)A. itB. thatC. this D. which 点拨点拨 去掉去掉it is和和that后，本句相当于后，本句相当于., but I object to how she does it，是个完，是个完整的句子。故此句是整的句子。故此句是it强调句型，被强强调句型，被强调部分是宾语从句。调部分是宾语从句。4. All scientists subscribe to (赞成)the view that

11、the increase in the earths temperature is due to (因为) the burning of fossil fuels like coalsubscribe to 同意;赞成;订购1)My father has subscribed to China Daily(中国日报)for many years. 订购2)Some scientists subscribe to the idea that human activity has caused global warming. 赞成5. Some byproducts of this process

12、 are called “greenhouse” gases, the mostimportant one of which is carbon dioxide.The old man has two sons, both of whom aredoctors.He has a lot of story-books, a few of which I have never read.In the room are lots of people, many of whomI dont know.I planted three trees last year, two of which are g

13、rowing well but one of which has died.6. Without the green house effect, the earth would be about thirty-three degrees Celsius cooler than it is.如果没有温室效应, 地球会比现在冷33。 应该注意有时假设的情况并不以条件应该注意有时假设的情况并不以条件从句形式表示出来，而是通过一个介从句形式表示出来，而是通过一个介词短语或其他方式表示。常用的词或词短语或其他方式表示。常用的词或短语有：短语有：without, but for, otherwise, o

14、r, but等。等。 Without your help ( = If we had not had your help), we could not have succeeded. 要是没有你的帮助，我们是不会成功的。要是没有你的帮助，我们是不会成功的。 But for electricity (= If there were no electricity), there would be no modem industry. 要是没有电，就不会有现代工业。要是没有电，就不会有现代工业。 He was having a meeting with his students; otherwise

15、 he would have come. 他当时正与他的学生进行讨论，否则的他当时正与他的学生进行讨论，否则的话他就来帮我们了。话他就来帮我们了。 He felt very tired yesterday, or he would have attended the party. 他昨天很累他昨天很累, 不然他就参加那个聚会了。不然他就参加那个聚会了。7. It means that more heat energy tends to (倾向于)be trapped in the atmosphere causing the global temperature to go up(上涨).8.

16、 They also agree that it is the burning of more and more fossil fuels that (强调句)has resulted in (导致)this increase in carbon dioxide. result in 导致, 造成Davids carelessness resulted in his failure.The earthquake resulted in the death of many people. = lead to=contribute to=cause result from 起因于，由于。起因于，由

17、于。如：如： The development of the city results from its tourist attractions.2. We have to deal with problems resulting from unemployment.复习：复习：as a result of 由于由于=because of=due to=thanks toSome workers were late for work as a result of the traffic jam.大家翻译：由于地震，成千上万的人们失去了家园大家翻译：由于地震，成千上万的人们失去了家园As a re

18、sult of the earthquake, thousands of people lost their homes. 用适当的介词填空。用适当的介词填空。 Maxs success resulted _ accepting the advice of his teacher.2. The excellent class atmosphere resulted _ the increase in knowledge gained by students.from in His sickness resulted _ eating too much. fromActing before th

19、inking always results _ failure.做事不先考虑总会导致失败。做事不先考虑总会导致失败。The accident resulted _ the death of two people.inin9. However, the attitudes of scientists towards(对的态度) this rise are completelydifferent.10. On the one hand, (一方面)Dr Foster thinks that any trend in which the temperatureincreases by 5 degre

20、es would lead to(导致) a catastrophe. On the other hand(另一方面),there are those who are opposed to(反对) this view and believe that11. Greenhouse gases continue to build up(积聚)in the atmosphere.12. Even if we start reducing the amount of carbon dioxide and other greenhouse gases,the climate is going to ke

21、ep on warming fordecades of centuries. even if /though: 即使即使; 虽然虽然He will come on time even though it rains. 即使下雨即使下雨, 他还是会准时来的。他还是会准时来的。 I wouldnt tell you even if I knew. Even though hes 24 now, hes still like a little child.I can still remember, even though it was so long ago.The engineers are so

22、 busy that they have zero time for outdoor sports activities, _ they have the interest. （安徽（安徽2010）A. wherever B. whenever C. even if D. as if【点拨】【点拨】 选选C。句意为：这些工程师太忙了，以至。句意为：这些工程师太忙了，以至于虽然他们有兴趣进行户外体育运动，但于虽然他们有兴趣进行户外体育运动，但是没有时间。是没有时间。C翻译：警察说他们必须找到丢失的孩子，即使天黑了。(lost child)The policemen said that they

23、must find the lost child,even if it was getting dark.【考例】【考例】 Do you think that housing price will keep on_ in the years to come? Sorry, I have no idea. （江苏（江苏2007）A. lifting up B. going upC. bringing up D. growing upB1. It was very late, but they went on working.It was very late, but they _ _ worki

24、ng.2. We dont doubt that he can do a good job._ _ _ _ _ he can do a good job.3. Their carelessness led to the failure.Their carelessness _ _ the failure.kept onThere is no doubt thatresulted in每空一词每空一词, 使两个句子的意思相同。使两个句子的意思相同。4. I dont know how the accident happened.I dont know how the accident _ _.5

25、. The factory turns out a large number of paper products.The factory turns out _ _ _ _ paper products.6. Although they raise the price, hes going to buy the farm.Hes going to buy the farm _ _ they raise the price.even if / thoughcame aboutlarge quantities of/ a lot of It is certain that the earth is

26、 becoming warmer, but there are some very different attitudes towards the effects of global warming. Some people think that if global temperature continues going up, it would be a disaster . Global warming would lead to a rise in sea level; others predict weather changes like severe storms, droughts, famines, heat waves, and heavy snowstorms, famines, the spread of diseases, and the disappearance of species. On the other hand, there are those who believe more carbon dioxide is actually a good thing. It will make plants grow faster; and encourage