吉林省长春市实验中学高二英语选修六《Unit 4 Period 4》导学案【学习目标】： 学习掌握 warming-up 及 reading 中的重点单词、句型。【自主学习】：Ⅰ.自主阅读，找出本单元出现的重点单词、短语、句型以及不理解的长、难句。Ⅱ.试着翻译下列句子：1. That probably doesn’t sound very much to you o r to me but it is a rapid increase compared to most natural changes.2. There is no doubt that the earth is becoming warmer but there is fierce debate over whether it is human activity that has caused this global warming or whether it is just a natural phenomenon.3. Without the “greenhouse effect”, the earth would be about thirty-three degrees Celsius cooler than it is.4. Some people think future global warming would cause the sea level to rise by several meters; others predict severe storms, droughts, famines, the spread of diseases, and the destruction of species.5. It is the greenhouse effect that gives the earth’s surface the average temp erature of 15℃ .【问题探究】在课文中划出含有以下知识点的句子，探讨研究以下知识点(1)So how has this come about and does it matter?matter vi.要紧，有关系eg:1. He said it didn’t matter whether we stayed or went.2. The thing that _____ is not whether you fail or not, but whether you try or not. A. matters B. cares C. considers D. minds (2) there is no doubt that …毫无疑问 根据后面三个例句总结一下 doubt 相关用法 There is some doubt whether….There's no doubt that one day a cure will be found. There is little doubt that he was the killer.（3）vi. 订阅；捐款；认购；赞成；签署 vt. 签署；赞成；捐助 subscribe to 同意；赞成；订购1.他每年都向教会捐款。____________________________________________________________________________2. I have subscribed to Newsweek for many years.1_______________________________________________________________...
