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1、Topic 1 earth n. 地球；土，泥；大地rainforest rainforest n n. (. (热带热带) )雨林雨林forest forest n n. . 森林森林 Look at the pictures and check which questions the passage can answer. 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 ra
2、inforests? 5.Why are rainforests important to us? Watch the flash of 1a, and find out the answers. What can rainforests give us ? 视频1a-P85 1a wood wood n n. . 木头，木材；木头，木材；woods woods 树木，森林树木，森林 Rainforests give us rubber rubber n n. .橡胶橡胶 Rainforests give us food medicine Rainforests give us fruits
3、Rainforests give us 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 earths _ 4.give a home to many beautiful _ and _ Importance of rainforests 1.make the air _ and _ 2._ the
4、 water and keep the water_ 3. control the _ 4. keep the beauty of _ 5. give us _, _, fruit, _ and so on hot wetdarkhot 6%surface plants animals freshercleaner holdcycling climate nature woodfoodmedicine 1b 录音1a-P85 1c Read again and answer the questions. 1. What does the word “cover” mean in Paragra
5、ph 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. 1c Read again and answer the questions. 3. Why should we protect rainforests well ? 4. Can you guess what the next part of the passage will talk about ? B
6、ecause they help to hold the water and keep the water cycling. They play an important part in controlling the climate. Yes. The next part may talk about what we should do to protect rainforests. The last sentence in a paragraph may tell you what comes next. 1cRead again and answer the questions. 5.
7、What should we do to protect rainforests ? We should save paper and mustnt use the chopsticks for only once. 1.1.Rainforests Rainforests covercover 6% of the earths 6% of the earths surface surface. . six percentsix percent 数词 % + of the 可数名词复数 可数名词单数 / 不可数名词 Eg: 50% of the students in our class are
8、 boys. 70% of the earth is water. 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 ofmillions of 2.Thousands and thousands of animals live in rainforests. animals live in rainforests. 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 stud
9、ents. 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 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 w
10、eather gets warmer and warmer. 中国变得越来越强大。 China becomes stronger and stronger. 越来越小 Discuss the pictures in groups about how to protect rainforests. Then write a short passage. show and tell people about do anything we can，such as ask people not to ask people not to cut Lets plant You can write like
11、 this : Rainforests are very important to us. It is necessary for us to protect them very well. First, we should make people know about the importance of protecting them. Then ask people not to cut down the trees without plans. For us, we should do something as possible as we can. When we have meals
12、, we mustnt use chopsticks for only once. In the life, use less paper and be sure not to waste it. 1. Learn to describe the situation of rainforests and the importance to the earth. 2. Talk about how to protect rainforests. 3. useful phrases: thousands of control the climate over = more than play an important part ( in sth.) smaller and smaller Name Name WayWay Make a survey among your classmates about how to save Make a survey among your classmates about how to save water in their family. Then report it to the class tomorrow.water in their family. Then report it to the class tomorrow.
