2. …………….. Topic 1 what's the strongest animal on the farm ?

3. Look at the pictures. Can you guess what they are?

4. 学 习 目 标学 习 目 标 1. 学习新单词和有用的短语。 2. 进一步巩固形容词比较级的用法。 3. 学习热带雨林的重要性，号召我们保 护好热带雨林。

5. …………….. 英译汉 rainforest thick ground cover earth surface wet die forest Check the New words ( 热带）雨林 地，地面 覆盖，掩盖。盖子，罩 茂密的，厚的，浓的 地球，地，泥，大地 表面 湿的，潮湿的 死，死亡 森林

6. …………….. 汉译英 Check the New words 无处，哪里都不 控制 气候 木头，木材，树林 原因，理由，推理 保护 成千上万，几千 灭绝，消失 nowhere control wood reason protect thousands of die out climate

7. What do you think of when you look at the following pictures?

9. earth n. 地球；土，泥；大地 rainforest n. ( 热带 ) 雨林 forest n. 森林

10. wood n. 木头，木材； Rainforests give us …

11. ……………..

12. 1.What are rainforests? 2.How many animals are living in rainforests? 3.Where do animals live in rainforests? 4.What can we get from rainforests? 5.Why are rainforests important to us?

13. Listen to 1a and complete the table. Then check with your partner. Feature of rainforests 1.in the ______ parts of the world 2._______ ground and always ____ and ____ in them 3.cover ____ of the earth’s _______ 4.give a home to many beautiful ______ and ________ Importance of rainforests 1.make the air _______ and ________ 2._____ the water and keep the water______ 3. control the ________ 4. keep the beauty of ________ 5. give us ______, ______, fruit, ________ and so on hot wet darkhot 6% surface plants animals freshercleaner holdcycling climate nature woodfood medicine 1b

14. 1c Read again and answer the questions. 1.What does the word “cover” mean in Paragraph 1 ? 2.Why are rainforests the lungs of the earth ? It means “ 覆盖 ”. Because the plants in the forests help to make the air fresher and cleaner.

15. 1c Read again and answer the questions. 3. Why should we protect rainforests well ? Because they help to hold the water and keep the water cycling. They play an important part in controlling the climate.

16. 1.Rainforests cover 6% of the earth’s surface. six percent 拓展： （ 1 ） cover···with··· 用 ······ 覆盖 ······ cover n. 封面 from cover to cover 从头到尾 （ 2 ） surface n. 表面，表层 on the surface 表面上，从外表看

17. 成千上万的 成百上千的 成百万上千万的，数以百万计的 hundreds of millions of animals live in rainforests. 2.Thousands and thousands of animals live in rainforests.

18. 3. Many of them live in the trees over 30 meters from the ground. over = more than 多于， 超过 eg: Our class has _________________ 50 students. 4. They play an important part in controlling the climate. play an important part ( in sth.) 在某事中起重要作用； 参与（某事） Eg: 他积极参加班级活动。 He _________________________ class activities. over/more than plays an active part in

19. 5. But now rainforests are becoming smaller and smaller. “ 形容词比较级 + and + 形容词比较级 ” 越来越 …… Eg. 天气变得越来越暖和了。 The weather gets warmer and warmer. 中国变得越来越强大。 China becomes stronger and stronger. 越来越小

20. 1. Finish part 2 of P 86 2. Preview section B 3. Workbook(section C )

21. 1. Learn to describe the situation of rainforests and the importance to the earth. 2. useful phrases: thousands of control the climate over = more than play an important part ( in sth.) smaller and smaller