TheAmazonrainforest.ppt

1、The Amazon rainforest,Unit 4 More practice,Step 1: A game,Antarctica,A,B,C,Oceania,The A rainforest in South America is the largest rainforest in the world.,Amazon（亚马逊） rainforest,South America,A,Amazon Basin 亚马逊流域,Step 2:1st reading: How much do you know about the Amazon rainforest? There may be mo

2、re than one answer.,（1）. The Amazon rainforest lies in _. A. Africa B. North America C. South America （2）. How large is it? It is about _. A. 1million k B. 5.5 million k C. 5 million k （3）. What can you find in the rainforest? A. a long river B. dangerous animals C. strange insects D. many birds （4）

3、. The rainforest is getting _. A. bigger and bigger B. smaller and smaller,largest,Amazon Basin,nine,home,deforestation,Step 3 :Comprehension,However, people are destroying the area by cutting down many of the trees. This is called “deforestation”.,2nd reading: Read the article again. Scan to get th

4、e information to complete the notes.(P54),Step 4 : Language points: Repeat after the tape and find out difficult points or important points.,A. getting bigger B. getting smaller,Step 5:With the help of pictures and answer the questions.,Where? How large?,Amazon rainforest,South America,Why important

5、?,What must we do?,Step 6 : Work in groups and draw a mind map. Retell the story with the help of the map.,Step 7 : What else do you know about the Amazon rainforest?,It covers five and a half million square kilometres of the Amazon Basin and spreads across nine countries.,L2 cover (v.) 占（.的面积/路程）,I

6、t covers five and a half million square kilometres of the Amazon Basin and spreads across nine countries. 2. L3 square kilometer (s) =km2 square meter(s) =m2,它占地36平方公里。,It covers 36 square kilometres.,5.5million,It covers five and a half million square kilometres of the Amazon Basin and spreads acro

7、ss nine countries. 2. L4 Bad news spreads really fast. spread v. 绵延，分布,Exercise 1: 风把种子散播到各处， 所以春天里野草和野花覆盖了整座山。 The wind _ _ _ _ , so in spring, wild grass and flowers _ _ _ _ .,spreads the seeds,cover the whole mountain,everywhere,4. L7 destroy v. 毁坏，毁灭，破坏 Exercise 2: 2. 我们必须停止毁坏森林。 We must _ _ _ _

8、. 3. 地震（The earthquake) 毁坏了大片竹林，很多熊猫因此失去了它们的家园。 The earthquake _ a big area of bamboo forest, as a result, many pandas _ _ _.,stop destroying the,destroyed,lost their homes,As a result, the number of kinds of animals, birds, insects and trees in the world is decreasing. 7.L10 the number of +可数名词复数 .

9、的数量” 谓语用单数。 Exercise 3: 1. The number of students in our class _(is/are) 41. 2. The number of books _(become/becomes)bigger and bigger.,is,becomes,As a result, the number of kinds of animals, birds, insects and trees in the world is decreasing. 8. L12,decrease _ increase _ A. become less B. become m

10、ore,A 减少/降低,B 增加/上升,*Exercise 4： 鸟类的数量正在减少，害虫的数量正在增加。结果，害虫会毁坏更多的树木。更多的鸟类会因此而失去家园。 _ birds _and _ pests _ _. _ _ _ , the pests will _ more trees and more birds will _ _ _ _ _ this.,the number of,is decreasing,The number of,is increasing,As a,destroy,lose their,because of,We must do our best to protect the Amazon rainforest. L13 do ones best to do sth. =try ones best to do sth.,We must do our best to protect the Amazon rainforest. L13: to keep someone or something safe from harm, illness,p