英语人教版九年级全册Unit 13 SectionA(1a~1c).ppt

1、Unit 13 Were trying to save the earth!,Section A 1 1a-2d,The earth is polluted.,Lead-in,air pollution,The factories that burn coal pollute the air with a lot of black smoke.,n. 煤炭,Factories put waste into the river.,water pollution,mobile phone pollution,litter v. 乱扔 n. 垃圾 rubbish waste 垃圾，废弃物,Peopl

2、e should throw away litter in the bin.,n. 垃圾箱,noise pollution,There are more cars on the road.,1a,Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.,noise pollution _ _ _ _,air pollution _ _ _ _,water pollution _ _ _ _,loud music,planes,mob

3、ile phones,factories,cars,smoking,ships,factories,littering,rubbish,building houses,ships,1b,Listen and complete the sentences.,really dirty,rubbish,fish,litter,waste,government,close down,clean up,Listen again and check () the sentences you hear.,1. We could go fishing in the river. 2. The river wa

4、s really dirty. 3. The river has always been the nicest river in this town. 4. We should ask the teachers for help.,Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.,1c,Mark: The river was dirty. Even the bottom of the river was full of rubbish. Tony: B

5、ut it used to be so clean! Mark: Yes, but people are throwing litter into the river. Tony: Everyone in this town should play a part in cleaning it up.,1. Were trying to save the earth! 我们正在竭尽全力拯救地球! try to do =try ones best to do 努力去做某事。 e.g. Every student should try to study hard in order to study

6、in a university. 为了进入大学学习，每个学生都应该 努力学习。,Language points,2. Here are some words related to different kinds of pollution. be related to 与有关 e.g.I am notrelatedtohim in any way. 我和他无任何关系。,3. Everyone in this town should play a part in cleaning it up! play a part in 在方面起作用(play a role in) e.g. A good di

7、et plays a large part in helping people live longer. 健康的饮食在帮助人们长寿方面起着 非常大的作用。,play a part 在中扮演角色 e.g. He was invited to play a part in this TV play. 他被邀请参加这个电视剧的演出。,4. Even the bottom of the river was full of rubbish. Yes, but people are throwing litter into the river.,litter和rubbish都可指“垃圾”，用作不可数名词。

8、 rubbish指“没用的东西(被扔或将要丢弃的无用的东西)”不可回收。,litter指“(室内或公共场所)乱扔的废物(纸屑、不要的包装纸、废瓶等)”还可回收。 e.g. Throw the rubbish out. 把垃圾扔出去。The room is full of rubbish. 房间里堆满了垃圾。Pick up your litter after a picnic. 野餐后将废弃物收拾好。,Were trying to save the earth! The river used to be so clean. The air is badly polluted.,Summary,用

9、动词的适当形式填空。 1. Were trying _ (save) the earth. 2. There used to _ (be) clean and beautiful. 3. There are too many _ for _ to catch (fish). 4. Its bad for environment to use _ (wood) chopsticks.,to save,be,fish,wooden,fishermen,Exercise,Make a poster!,The earth is badly polluted. Please make a poster and think of what we can do.,Save the earth!,What should we do to save the earth?,Turn off the lights when you leave a room.,关掉,stop riding in cars,stop using