新人教版英语高二上Module6Unit4Globalwarmingword教案wwwedudownnet.doc
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1、 中小学教育资源站(http:/),百万资源免费下载,无须注册!Unit 4 Global warming( by liu jinzeng 2009-12-15) Warming up 1. Please list as many energy sources as you can._2. which energy sources on your list are renewable and which are non-renewable? _阅读小贴士一 我们可以利用构词法来猜测词义。re(重新;再) new able renewable(可再生的) 再如,reconstruct _; re
2、group _; rethink _; reuse _ Pre-reading Activities Talk about the picture at the bottom of the page 25 1. What can you see in the picture? _2. How does it work? _3. What do you know about “ greenhouse gases”? _ While- reading Activities First reading Glance quickly at the magazine and answer the que
3、stions. 1. Whats the main topic of the article? _2. Who wrote the magazine article? What is the name of the article? _3. What are the names of the three scientists mentioned in the article? _阅读小贴士二 Please read LEARNING TIP at page 32.4. What are the two graphs about? What are they for? _Second readi
4、ng Read the text quickly to get the main idea of each paragraph.1. _2. _3. _4. _5. _6. _7. _阅读小贴士三 Topic Sentence (主题句) Each paragraph has a main idea. Sometimes the main idea of a paragraph is directly written down. We call that sentence topic sentence. The topic sentence can appear at the beginnin
5、g, middle or end of a paragraph. Most often, though, it appears at the beginning. Third reading Read the text quickly to list the ideas and major details. Part I ( paragraph 1) to introduce the topic. (1)_ Part II ( paragraph _) (2) _ How has global warming come about? (3) _ _ to make life positive
6、effects _ for human Part III ( paragraph _) _ beings better effects of global warming negative effects _ Part IV the last paragraph conclusion of the article 阅读小贴士四 Listing (列举) When you read, you can list the ideas and major details, which is of great value for your reading comprehension. While lis
7、ting, you can copy whole sentences and phrases, or you can shorten them, so long as you capture the main idea. Making a list is like taking notes, or writing an informal outline. When you are done, you have your own statement of what is important in the reading. Fourth reading Read each paragraph ca
8、refully for detailed information, and finish the exercises blow.Paragraph 11. During the 20th century the temperature of the earth rose about one degree Fahrenheit.Notes: Fahrenheit华氏度1714年德国人法勒海特(Fahrenheit)以水银为测温介质,制成玻璃水银温度计,选取氯化铵和冰水的混合物的温度为温度计的零度,人体温度为温度计的100度,把水银温度计从0度到l00度按水银的体积膨胀距离分成100份,每一份为1
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