吉林省长春市实验中学高二英语选修六《Unit 4 Period 2》导学案【学习目标】：1. 学会用已学词汇表达自己观点，讨论环境方面问题，提高英语表达能力 2. 通过阅读篇章，了解全球变暖的原因和环境污染相关问题【自主学习】：Ⅰ.速读课文，回答下面的问题1.What is mainly discussed in the text?A. Carbon dioxide. B. Water vapourC. Gases in the atmosphere. D. Temperature increase2.Sum up the main idea of each part and the writing skills the writer uses in the text. （精英）Part1 (Para1): Skills:Part2 (Para2-3): Skills:Part3 (Para4-8): Skills:Part4 (Para9): Skills:Ⅱ.精读课文，回答下列问题1.According to the text, which of the following statements is not true?A. Carbon dioxide is a byproduct of the burning of fossil fuels.B. All the scientists agree that the burning of more and more fossil fuels leads to the increase of carbon dioxide.C. If we stop adding carbon dioxide and other greenhouse gases from now on, the temperature will stop going up.D. It is still not clear what the effects of global warming will be. 2.George Hambley thinks that more carbon dioxide________.A. may lead to a catastrophe.B. Will do good rather than harm to the earth.C. Will cause the spread of disease.D. Will encourage a greater range of animals, thus threatening human beings.3. By asking the two questions at the end of the article, the writer implies that______A. we can do nothing about global warming.B. global warming is caused by human beings.C. we should not be too worried about global warming.D. human beings still have more worries about the effects of global warming.4．True or False 11. The temperature in the last century did not seem to increase much.2. Everyone believes that global warming is caused by the activities of humans.3. Janice Foster believes that she can measure the future global rise in temperature.4. The rise in carbon dioxide is causing a steady increase in global warming.5. George Hambley believes that global warming will do good rather than harm to the earth.6. It is clear what the effects of global warming will be.【问题探究】Discussion What will happen if we do nothing about global warming? You will be d ivided into two groups, and have a debate. 第二课时：D Part one ( para1 )Introduce a debate over the issue of global warming.Skills : Raising a question Part two ( para2-3 )Illustrate(explain) how global warming comes about. Skills : giving examples, using graphs, explanation Part three ( para4-8 )List two different attitudes among scientists towards global warming. Skills : giving examples, making contrast (comparison)Part four ( para9 )It’s up to readers to think and decid e whether people should do something about global warming or n ot. Skills : using a question, leaving readers to think over the issue.C B D T T F T T F2
