选修八 4.2Unit 4　Language Points.ppt

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1、新课标人教版课件系列,高中英语选修(模块）8-4.2,Language points,1What do you think green house gases do?你认为温室气体有什么作用呢?本句中think后接了一个由what引导的宾语从句。,但应注意的是：特殊宾语从句即当一般疑问句主句的谓语动词是 think,believe，suppose，consider,imagine，guess 和 suggest 等时，表疑问的词要放在主句前即句首。,例如：正 Who do you think will win in the game?误 Do you think who will win in

2、 the game?,当然一般情况下宾语从句的疑问词应放在主句之后，例如：误 Why do you know we cant cut down the big tree?正 Do you know why we cant cut down the big tree?,pare,compare to/withCompared to/with many women,she was indeed very pare A with BIf you compare her work with his,you will find hers is much pare A to BPoets have com

3、pared sleep to death.,e about,come about:take place;happen 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,得到，获得,出来，露出,达到,4.There is no doubt that.There is some doubt whether.辨析：主句为肯定句时，doubt 后 使用连词whether。主句为否定句 时，doubt后则使用连词that。,eg:Ther

4、es no doubt that one day a cure will be found.There is little doubt that he was the killer.,5.amount of习惯用语：an amount of 相当数量的;一些 any amount(of)任何数量(的);大量(的)be of little amount 不重要;无价值,n.数量 large amounts of money 大量的金钱 In an invoice the amount of money should be written both in words and in figures.

5、发票上的钱数要用字和数码写出来。,6Without 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。这是一个含蓄虚拟条件句,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，but that，otherwise，or，but等。,例如：Without your help(=If we had not had your help)，w

6、e 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 t

7、he party 他昨天很累,不然他就参加那个聚会了。,7.result in 导致,造成=lead to,The accident resulted in three people being killed.这一事故导致他的死亡。,The accident resulted in his death.,result from,result from 由产生，发生 injuries resulting from a fall.,The accident _ the death of two passengers.A.resulted from B.resulted in C.resulted

8、of D.resulted with,8.on the other hand:used to give another opinion or fact that should be considered as well as the one you have just given 另一方面 also on the one hand.on the other hand,Id like to eat out,but on the other hand I should be trying to save money.I want to go to the party,but on the othe

9、r hand I ought to be studying.我想去参加聚会，但从另一方面来说，我应该留下来学习。,9.concern n.a matter that relates to or affects one 有厉害关系；所关切的事 Its no concern of mine.这事与我无关。n.worry,anxiety 担心；担忧 She showed great concern about you.她很为你担心。,to have to do with or relate to 涉及；与有关或相关 Attend to what concerns you.注意与你有关的事物。v.To

10、 be of interest or importance to(常与with,about,in 连用)关心；关照 Were rather concerned about fathers health.我们相当担心父亲的健康。,10.consequence,in consequence 因此as a consequence 结果as a consequence of 由于的结果,11.range,in/within range 在射程之内out of/beyond range 在射程之外,12.build up,Build up the businessSediment(沉淀物)builds

11、up on the ocean floor.This built up my hope after the interview.,develop 扩大,发展,collect 累积,收集,增加,支持,树立,13.even if/though:used to emphasize that,although something may happen or may be true,it will not change a situationI wouldnt tell you even if I knew.,Even if she survives,shell never fully recover.Even though hes 24 now,hes still like a little child.I can still remember,even though it was so long ago.,