Unit4Globalwarming单元课件（新人教版选修6）.ppt

Unit 4;Translate the following words into English: ;;1. matter 要紧、有关系，= be important;2. It is a rapid increase when compared to other natural changes. ;2) 喻为; 比拟 compare…to… 表示“把…比做…(异类 相比, 比喻)” 如： ;用法拓展(1)compare notes 交换意见(2)beyond comparison/compare 无与伦比(3)compare...to...把……比作……(4)compare...with...把……和……相比Compared with your brother, you should make greater efforts to study English.和你哥哥相比，你应该更加努力学习英语。;come about: 发生, 造成, 相当于happen 你能告诉我事情是怎么发生的吗？ Can you tell me how the accident came about? 随着电的使用, 种种大变化发生了。 With the use of electricity, great changes have come about. come out 出现; 出版 come up 出现; 被提出;come about come across come round come into being come into effect come out come down to earth;come about 是不???物短语。 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;4. There is no doubt that….; There is no doubt ______ they will ask you for help. I have no doubt ______ you will succeed. 2)作及物动词常用于下列句型中, 作“怀疑; 不能肯定; 不大相信”解, 一般不用进行时态。 ;①用于否定句或疑问句, 后接that引导的宾语 从句。 ②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. 我毫不怀疑他在讲真话。 Do you doubt ______ he will win the match? 你怀疑他会赢这场比赛吗? I doubt __________ we will make a profit out of it. 我认为我们不可能从此事中获利。 We doubt __________ she will be persuaded. 我们不知道她会不会被说服。 ;4. subscribe to 1) 同意; 支持I don’t subscribe to such views. 我不同意这样的观点。 2) 对...捐款Many people subscribed liberally to the relief fund. 许多人为救灾基金慷慨解囊。 3) 订阅(书籍等) He subscribed to Reader’s Digest. 他订阅《读者文摘》。 ;5. 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℃。 这是一个含蓄虚拟条件句。 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。 ;e.g. 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。 H