2014年人教版新目标九年级英语Unit13（第1课时）精美ppt课件.ppt

Section A 第一课时(1a -1c) * Unit 13 We’re 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 loud music cars rubbish planes littering ships factories smoking building houses mobile phones 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 What was the problem? The river was ________. Even the bottom of the river was full of ________. These were no more ________ for fishermen to catch. What caused the problem? People are throwing _______ into the river. Factories are putting _______ into the river. How should the problem be solved? We should write to the ________ and ask them to ________ the factories. Everyone should help to _______ the river. 1b Listen and complete the sentences. 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! 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