北師大版高中英語選修八unit 22《environmental protection》（the sixth period）教案(文件)
【正文】 s, typhoons, volcanic eruptions, ? T: Good. (Show the following on the PowerPoint.) Please look at the following and do the quiz and see how much you know about disasters. It doesn’t matter whether your answers are wrong or correct. Try to learn something from the quiz. 1. Which one is NOT a natural disaster? Flood Tornado Hurricane Breaking your leg Earthquake Wildfire 2. What is the name of floods that happen very quickly? Flashfloods (a sudden local flood of great volume and short duration) Quick floods Flood 39。n fast Waterworld 3. True or false: It39。Get off, you bitch!’. T: Good! Do you have any difficulties with the text？ S1:Could you please explain the sentence to us： A large number of nations have already been in armed conflict over water, and reduced rainfall in the west of the US has resulted in huge forest fire. T: As we know, many parts of the world are being drier. In order to get water, some nations even fight each other using arms. Because there isn’t enough rainfall, there are many forest fires in the west of the US. In the sentences, there are several phrases “armed conflict”, “a number of” and “result in”. Please look at some examples on the PowerPoint. (Show the following on the PowerPoint.) 1. In the last decade, 2 million children have died as a direct result of armed conflict. At least 6 million children have been permanently disabled or seriously injured and more than 1 million children have been orphaned or separated from their families due to armed conflict. 2. Quite a number of (Many) world famous paintings are on show in this exhibition. A number of (A lot of) cables are needed in this project. 3. A diet with no exercise is bad for the health, because it will result in a loss of both fat and muscle tissue. Stress and ti
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