高三英語Global warming教案
from the passage we know that ______________________________________________________
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答案：from the passage we know that the temperature of the earth is rising. it also shows us different ideas about global warming and analyzes the causes of the earth’s increased temperature and the possible effects according to the data from the graphs.
3課文佳句背誦與仿寫 （旨在培養對難句的理解和運用能力）
1.【原句】there is no doubt that the earth is becoming warmer and that it is human activity that has caused this global warming rather than a random but natural phenomenon. 毫無疑問，地球是在變暖，而地球變暖正是人類活動導致而成，并非是一種無規律的自然現象。
[模仿要點] 句子結構：there is no doubt that … and that… 句式 + it is …that 強調句
【模仿1】毫無疑問，圣誕節的慶祝活動是一個很好的學習方式的西方文化;而且慶祝圣誕節，讓我們的生活更有趣。
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答案：there is no doubt that the celebration of christmas is a good way of learning the western culture and that it is the celebration of christmas that makes our life more interesting.
【模仿2】毫無疑問，太多的電腦游戲會對學生的健康有不良影響，而且玩電腦太多花費他們太多的時間導致花在學習上的時間太少。
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答案：there is no doubt that too many computer games can have a bad effect on students’ health and that it is playing too much computer that costs them too much time resulting in too little time on study.
2.【原句】some byproducts of this process are called “greenhouse” gases, the most important one of which is carbon dioxide.這個升溫過程的一些副產品就叫做“溫室”氣體，其中最重要的是二氧化碳。
[模仿要點] 句子結構：主句,+ the most + adj. of + which 引導的定語從句
【模仿1】一些可能的措施應采取以防止我們的地球越來越熱，而其中最重要的措施之一是限制私家車的使用。
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答案：some possible actions should be taken to keep our earth from getting warm, the most important one of which is to limits the use of private cars.
【模仿2】一些良好的學習方法應采取以改善你的學習，而其中最有效的方法之一是與你的同學討論。
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答案： some good learning methods should be adopted to improve your study, the most effective one of which is to discuss with your classmates.