选修六unit4知识点用法.ppt

,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,选修六unit4知识点用法,It is a rapid increase when,compared to,(,与,比较,)other natural changes.,compare,vt.,1),比较;对照,comparewith/to,表示“把与相比,(同类相比)”如：,Compared to/with many women,she was,indeed very fortunate.,Language points,2),喻为;比拟,compareto,表示“把比做(异类,相比,比喻)”如：,Shakespeare,compared,the world,to,a stage.,compare适当形式填空,My handwriting can not be,compared with/to,my fathers.,A teachers work is often,compared to,a,candle.,come about:,发生,造成(否定句或疑问句中),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),and,does it matter?,大家查询：take place happen,occur break out 用法区分,1.The meeting will _ next week.,2.I _ to meet him on the way home.,3.It _ to me that I should buy a gift for my mother.,4.Two world wars _ last century.,take place,happened,occurred,broke out,1)Please tell me how the accident _.,I am still in the dark.,(2005,江西,),A.came by,B.came,out,C.came to,D.came about,D,2)Its already 10 oclock.I wonder how,it _ that she was two hours late on,such a short trip.(,湖北,2006),A.came over B.came out,C.came about D.came up,解析: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。,come over 来访,come out 出来,出版,come up 出现，被提出,C,There is no doubt that.,是固定句型,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.whether,B,3.,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 than a random but natural phenomenon.,doubt,1)作不可数名词,作“疑惑;怀疑”,肯定句多接whether 同位语从句。,否定句中doubt多接that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 _ you will succeed.,whether,whether,that,that,2)作及物动词作“怀疑;不能肯定;不大相信”解,一般不用进行时态。,用于否定句或疑问句,后接that引导的宾语,从句。,用于肯定句,一般接whether 或if引导的宾语,从句。如:,I dont doubt _ he is telling the truth.,Do you doubt _ he will win the match?,I doubt _ we will make a profit out,of it.,We doubt _ she will be persuaded.,whether/if,whether/if,that,that,2.it is.that.在此句中构成强调句型，强调的是主语human activity。强调句型除谓语不能强调外，可强调主语、宾语或状语。,考例1,It is not who is right but what is right _ is of importance.(重庆2007),A.which B.itC.that D.this,考例2,I dont mind her criticizing me,but _ is how she does it that I object to.(江西2007),A.itB.thatC.this D.which,点拨,去掉it is和that后，本句相当于.,but I object to how she does it，是个完整的句子。故此句是it强调句型，被强调部分是宾语从句。,4.All scientists,subscribe to,(赞成)the view that,the increase in the earths,temperature is,due to,(因为)the burning of fossil fuels like coal,subscribe 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 are,called“greenhouse”gases,the most,important one,of which,is carbon dioxide.,The old man has two sons,both of whom,are,doctors.,He has a lot of story-books,a few of which,I,have never read.,In the room are lots of people,many of whom,I dont know.,I planted three trees last year,two of which,are growing 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。常用的词或短语有：,without,but for,otherwise,or,but,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。,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。,He was having a meeting with his students;,otherwise,he,would have come,.,他当时正与他的学生进行讨论，否则的话他就来帮我们了。,He felt very tired yesterday,or,he,would have attended,the party.,他昨天很累,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.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。,如：,The development of the city,results,from,its tourist attractions.,2.We have to deal with problems,resulting from,unemployment.,复习：as a result of 由于=because of=due,to=thanks to,Some 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,As a result of the earthquake,thousands of people lost their homes.,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.,from,Acting before thinking always results,_ failure.,做事不先考虑总会导致失败。,The accident resulted _ the death of,two people.,in,in,9.However,the attitudes of scientists,towards,(对的态度)this rise are completely,different.,10.,On the one hand,(一方面)Dr Foster,thinks that any trend in which the temperature,increases,by,5 degrees 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 that,11.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,keep on,warming for,decades of centuries.,even if/though:,即使;虽然,He will come on time,even though,it rains.,即使下雨,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 busy that they have zero time for outdoor sports activities,_ they have the interest.（安徽2010）,A.wherever B.whenever,C.even if D.as if,【点拨】,选C。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 must find the lost child,even if it was getting dark.,【考例】,Do you think that housing price will,keep on_ in the years to come?,Sorry,I have no idea.（江苏2007）,A.lifting up B.going up,C.bringing up D.growing up,B,1.It was very late,but they went on working.,It was very late,but they _ _ working.,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 on,There is no doubt that,resulted in,每空一词,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.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/though,came about,large quantities of,/a lot of,It is certain that the earth is 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 a greater variety of animals.,a greater range of,keeps on,catastrophe,result in,There is no doubt that,climate,Step6:Post-reading(consolidation),Replace,the underlined expressions with the words,phrases and patterns we have learned in the passage.,positive,IV.翻译,他的粗鲁导致了孩子和他的争吵。,(result in),2.,他们不知道这个变化是怎样产生的。,(come about),They didnt know how the change had come about.,His rudeness resulted in the childs quarreling with him.,3.他以优质的服务使生意逐步兴隆起来。,(build up),4.邻居们让他们停止制造噪音,但他们,仍然继续。(keep on),The neighbours asked them to stop making a noise,but they still kept on.,He built up his business by good service.,5.不用担心,我们已经储藏了很多食物。,(quantities of),6.那个老人瞥了一下他的手表,然后看了,看天空。(glance at),The old man glanced at his watch and then looked at the sky.,Dont worry.We have stored,quantities of food already.,