人教新版英语九年级Unit13SectionA1a-1c课件

,Section A 第一课时(1a -1c),Unit 13 Were trying to save the earth.,人教版 九年级下册,litter v. 乱扔 n.垃圾；废弃物,bottom n. 底部；最下部,fisherman n. 钓鱼的人,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; cars; building house; ships; planes,smoking; factories,factories; rubbish; littering,1b,Listen and complete the sentences.,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 was really dirty. 3) The river has always been the nicest river in this town. 4) We should ask the teachers for help.,The river was dirty. Even the bottom of the river was full of rubbish.,But it used to be so clean!,1c,Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.,Yes, but people are throwing litter into the river.,Everyone in this town should play a part in cleaning it up!,Make conversations using the pollution in 1a.,A: The river has always been the nicest river in this town. B: Yes, it used to be so clean. A: But I was there last weekend and the river was really dirty. B: What caused the problem? A: People are throwing litter into the river. Factories are also putting waste into the river.,B: What should we do? A: We should write to the government and ask them to close down the factories. B: What else can we do? A: Everyone should help to clean up the river. B: Yes, everyone in this town should play a part.,littering 乱丢废弃物 litter 作不可数名词，意为“垃圾；废弃物”。 如：There were piles of litter on the streets. 街上有一堆一堆的废弃物。 There will be fines for people who drop litter . 乱扔垃圾的人将被罚款。,Language points,litter 作及物动词，意为“把.弄得乱七八糟”。 如：Dont litter up the floor with scraps of paper. 别往地上乱丢纸屑。 It is antisocial to leave ones litter in public place. 在公共场所遗弃杂物是妨害公共利益的。,Language points,litter 还可作不及物动词，意为“ 乱扔废弃物”。 如：Please dont litter. 请勿乱扔纸屑杂物。 Why do you always litter up the table with all these newspapers? 你为什么总是将报纸乱丢，把桌子弄得乱糟糟呢？,Language points,Language points,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 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 not related to him in any way. 我和他无任何关系。,Language points,3. Everyone in this town should play a part in cleaning it up! play a part in 在方面起作用 e.g. A good diet 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 in 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。,Language points,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。 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。,1. The street _ _ _ (充满了) rubbish. 2. _ (litter) causes pollution. 3. Factories are putting _ (pollute) water into the river.,is full of,Littering,polluted,4. The city _ _ (过去) be so clean. 5. We should play a part in _ (clean) the city up. 6. There _ _ _ (过去有) so many trees on the hills.,used to,cleaning