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1、Unit 4 Save the treesMore practiceThe Amazon rainforest(亚马逊雨林亚马逊雨林)How much do you know about the 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 “deforestation” mean? What is the result of defo
2、restation? What should we do?Read the article below about the Amazon rainforest. New words and phrases:1. America2. square3. spread4. thousands of5. however6. destroy7. deforestation8. lose9. because of10. as a result11. number12. decrease1. 美洲美洲2. 平方平方3. 使分散;使分布使分散;使分布4. 数以千计的;万千上万的数以千计的;万千上万的5. 然而
3、;不过然而;不过6. 摧毁;毁灭;破坏摧毁;毁灭;破坏7. 毁林;砍伐森林毁林;砍伐森林8. 失去失去9. 因为因为10. 结果结果11.数量;数额数量;数额12. 减少;减小;降低减少;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 square kilometers
4、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.Many living things lo
5、se 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. largestAmazon Basinninehome deforestationComprehension1. It covers 5.5 mi
6、llion square kilometers of the Amazon Basin hundred/thousand/million/billion前面有数字后面不加前面有数字后面不加s 和和of,前面没有数字,前面没有数字,s和和of一起用一起用1). There are about_ people on the square. A. two thousand B. two thousands C. thousands of D. two thousand ofAabout /or so/more than/over 与具体数字连用与具体数字连用Language points1. _pe
7、ople 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 hundredhundred, hundreds of , million, millions of Exercise Complete the sentences with the words below.
8、2. The rainforest is in danger because of the deforestation. be in danger 处于危险中处于危险中 because of 由于由于许多野生动物处于危险中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。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 dangerbecause of3. We must do our best to protect the Amazon rainforest. do ones best to do (try ones best to) -尽力做某事尽力做某事1.他尽力做到做好他尽力做到做好 He _ _ _ _ do it better.2.我们应该尽力保护我们的地球。我们应该尽力保护我们的地球。 We should _ _ _ _ _ our Earth.does his best totry our best to protect