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1、Unit 4 Save the trees More practice The Amazon rainforest(亚马逊雨林) How much do you know about the How much do you know about the Amazon rainforest?Amazon rainforest? Do you know? Where is the Amazon rainforest? How large is the Amazon rainforest? Why is the Amazon rainforest very important? What does
2、“deforestation” mean? What is the result of deforestation? What should we do? Read the article below about the Amazon rainforest. New words and phrases: 1. America 2. square 3. spread 4. thousands of 5. however 6. destroy 7. deforestation 8. lose 9. because of 10. as a result 11. number 12. decrease
3、 1. 美洲 2. 平方 3. 使分散；使分布 4. 数以千计的；万千上万的 5. 然而；不过 6. 摧毁；毁灭；破坏 7. 毁林；砍伐森林 8. 失去 9. 因为 10. 结果 11.数量；数额 12. 减少；减小；降低 Where is the Amazon rainforest? How large is the Amazon rainforest? Why is the Amazon rainforest very important? Question and answer: In South America. It covers five and a half million sq
4、uare kilometers of the Amazon Basin and spreads across nine countries. Because it is home to thousands of animals, birds and insects. What does “deforestation” mean? What is the result of deforestation? What should we do? Questions and answer: It means destroying forests by cutting down the trees. M
5、any living things lose their homes and the number of kinds of animals, birds, insects and trees in the world is decreasing. We should do our best to protect the Amazon rainforest. Read the article again and complete the notes. A Complete the notes. largest Amazon Basin nine home deforestation Compre
6、hension 1. It covers 5.5 million square kilometers of the Amazon Basin hundred/thousand/million/billion前面有数字后面不加s 和of，前面没有数字，s和of一起用 1). There are about_ people on the square. A. two thousand B. two thousands C. thousands of D. two thousand of A about /or so/more than/over 与具体数字连用 Language points 1.
7、 _people hunt and fish for a living. 2. The novel sold 2 _copies in paperback. 3. _people were killed in the earthquake. 4. We need to raise about two _and fifty dollars. Millions of million Hundreds of hundred hundred, hundreds of , million, millions of Exercise Complete the sentences with the word
8、s below. 2. The rainforest is in danger because of the deforestation. be in danger 处于危险中 because of 由于 许多野生动物处于危险中 Many wild animals _ _ _. 昨天因为天气糟糕的原因我们没有去野餐。 We didnt have a picnic _ _ the terrible weather. are in danger because of 3. We must do our best to protect the Amazon rainforest. do ones best to do （try ones best to） -尽力做某事 1.他尽力做到做好 He _ _ _ _ do it better. 2.我们应该尽力保护我们的地球。 We should _ _ _ _ _ our Earth. does his best to try our best to protect