【金版学案】人教版英语单元复习课件（自主学习+即学即练）：选修6Unit4.ppt

Unit 4　Global warming;1．But it is a rapid increase when compared to other natural changes.(p.26) 但是和其他自然变化比起来，它(气温)的变化是很快的了。 ?探究学习 阅读下列句子，注意体会compare to/compare...to/with的意思。 (1)Compared_to many poor students，she was lucky.(“与……相比”);(2)We often compare teachers to gardeners.(把……比作……) (3)If you compare this book with that one，youll find many differences.(把A和B进行比较) ;用上述短语完成下列句子。 (1)她告诉她自己，和很多妇女比起来，她已经很幸运了。 She told herself that ___________ many women，she was already very lucky. (2)莎士比亚把世界比作一个舞台。 ________________________________________________________________________ (3)和他所拥有的比起来，这些邮票不是很有趣。 ________________________________________________________________________;2．On the other hand，there are those，like George Hambley，who are opposed to this view and believe that we should not worry about high levels of carbon dioxide in the air.(p.27) 另一方面，还有一些人，像科学家乔治·汉布利，反对上面的观点，他们认为我们不应担心空气中会有高含量的二氧化碳。;?词语归纳 oppose vt.反对；反抗；与(某人)较量 oppose sth./doing sth./sb.doing sth. 反对某事/做某事/某人做某事 oppose sth.to/against sth. 使某事物与另一事物对照或对抗 opposed adj.相反的；对立的 be opposed to...反对……；与……对立;用oppose的相关词语完成下列小片段。 Her parents strongly (1)_________________________ (反对她出国)，which (2)_________________her will.So she was very sad，thinking it was her parents who (3)________deliberately (4)____________her.;3．All scientists subscribe_to the view that the increase in the earths temperature is due to the burning of fossil fuels like coal，natural gas and oil to produce energy.(p.26) 所有的科学家都赞同这种观点：人们为了生产能量而燃烧化石燃料(如煤、天然气和石油等), 从而引起了地球温度的升高。 subscribe to 同意， 赞同；订阅 I planned to subscribe to many magazines. 我计划订阅许多杂志。; 完成下列句子。 (1)他们订阅了什么杂志？ ________________________________________________________________________ (2)No one but mad people would ______________ ___________(同意这种观点)．;4．The problem begins when we add huge quantities_of extra carbon dioxide into the atmosphere.(p.26) 而当我们给大气层中增加了大量额外的二氧化碳时，问题就来了。 quantities of＝a quantity of 大量，许多 She has quantities of good clothes. 她有许多好衣服。 ?温馨提示：a quantity/quantities of大量(＋可数或