仁爱版八年级英语上册课件Unit4 Topic1 SectionC .ppt

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1、Topic 1 Whats the strongest animal on the farm? earth n. 地球;土,泥;大地地球;土,泥;大地 rainforest n. (热带)雨林 forest n. 森林森林 Look at the pictures and check which Look at the pictures and check which questions the passage can answer. questions the passage can answer. 1.What are rainforests? 2.How many animals are

2、 living in rainforests? 3.Where do animals live in rainforests? 4.What can we get from rainforests? 5.Why are rainforests important to us? Watch the flash of 1a, and find out the answers. What can rainforests give us ? 1a 动画动画1a wood n. 木头,木材;木头,木材;woods 树木,森林树木,森林 Rainforests give us rubber n.橡胶橡胶

3、Rainforests give us foodfood medicinemedicine Rainforests give us fruitsfruits 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

4、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 dark hot 6% surface plants animals fresher cleaner hold cycling climate nature wood food medicine 1b 1c Read

5、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”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 rainfores

6、ts well ? 4. Can you guess what the next part of the passage will talk about ? Because 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 pa

7、ragraph may tell you what comes next. 1c Read again and answer the questions. 5. What should we do to protect rainforests ? We should save paper and mustnt use the chopsticks for only once. 1.Rainforests cover 6% of the earths surface. six percent 数词数词 % + 可数名词复数可数名词复数 可数名词单数可数名词单数 / 不可数名词不可数名词 Eg:

8、50% of the students in our class are boys. 70% of the earth is water. 成千上万的成千上万的 成百上千的成百上千的 成百万上千万的,数以百万计的成百万上千万的,数以百万计的 hundreds of millions of 2.Thousands and thousands of animals live in rainforests. 3. Many of them live in the trees over 30 meters from the ground. over = more than 多于,多于, 超过超过 eg

9、: 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;在某事中起重要作用; 参与(某事)参与(某事) Eg: 他积极参加班级活动。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

10、. “形容词比较级形容词比较级 + and + 形容词比较级”形容词比较级” 越来越越来越 Eg. 天气变得越来越暖和了。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。中国变得越来越强大。 China becomes stronger and stronger. 越来越小越来越小 Discuss the pictures in groups about how to protect rainforests. Then write a short passage. show and tell people about do a

11、nything we can,such as Lets plant You can write like 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

12、 something as possible as we can. When we have meals, 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 Way Make a survey among your classmates about how to save water in their family. Then report it to the class tomorrow.

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