广东省惠州市惠东县惠东荣超中学高中英语 Unit4 language points 学案 新人教版必修3

广东省惠州市惠东县惠东荣超中学高中英语 Unit 4 language points 学案 新人教版必修 3Learning aims: 1. To learn the new useful words, expressions & important sentence patterns.2. To learn how to use the important new words, expressions & important sentence patterns.Learning important points: To grasp and use the important new words & expressions使用说明及学法指导： 1. Discussing, summarizing and practicing 2 Cooperative learning课前预习案 Previewing Case Task1 Retelling 故事复述 (P27 Ex.5)Task2 背诵句型1. It exploded loudly with fire and rock, which were in time to produce the water vapour, carbon dioxide, oxygen, nitrogen and other gases, which were to make the earth’s atmosphere.它(地球)巨大的爆炸喷出了烈火与岩石，最终产生了水蒸气、二氧化碳、氧、氮和其他多种气体，从而形成了地球的大气层。2. It was quite different from what I expected.它和我原来想的很不一样。3. This made it possible for us to learn English better.这使得我们有可能把英语学得更好。4. Scientist believe that taking carbon dioxide from the atmosphere and filling the air with oxygen helped life to develop.科学家认为，从大气中吸取二氧化碳，并向空气中释放氧气，有助于生命的发展。5. He has experience as well as knowledge.他既有学识又有经验。6. They are putting too much carbon dioxide into the atmosphere ,which prevents heat from escaping from the earth into space.他们把太多的二氧化碳释放到大气层中，这使得热量不能从地球上散发到太空中。7. Whether life will continue on the earth for millions of years to come will depend on whether this problem can be solved.生命是否会在地球上延续几百万年要取决于这个问题能否得到解决。课堂探究案 Exploring Case 1. No one knows exactly how the earth began, as it happened so long ago.仿写：没人明白他在说什么，因为那太难理解了。 2. However, according to a widely accepted theory, the u...