Unit 13 Section A(1a-1c)课件-2024-2025学年人教版英语九年级全册

Unit 13 We're trying to save the earth! Period One Section A(1a-1c) try to do sth.=try one’s best to do sth.努力去做某事。 Learning objectives 1. To listen to specific information. 2. To talk about pollution and environmental protection. 3. To learn to use sentences . used to...but now should do sth. litter bottom fisherman coal ugly advantage cost wooden plastic takeaway bin v. 乱扔 n. 垃圾；废弃物 n. 底部；最下部 n. 渔民；钓鱼的人 n. 煤；煤块 adj. 丑陋的；难看的 n. 优点；有利条件 v. 花费 adj. 木制的；木头的 n. 塑料；塑胶 n. 外卖食物 n. 垃圾桶 Words Review What does this picture talk about? Water pollution has become a serious problem. Endangered animals Natural disasters The World 's Problems Pollution What kind of pollution are they? noise pollution water pollution air pollution 1a Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. loud music cars rubbish planes littering ships factories smoking building houses mobile phones be related to 与……有关 noise pollution ____________ ____________ ____________ ____________ air pollution ___________ ___________ ___________ ___________ water pollution ____________ ____________ ____________ ____________ loud music planes mobile phones factories cars smoking ships factories littering rubbish building houses building houses What was the problem? The river was __________. Even the bottom of the river was full of _______. There 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.(P97) really dirty rubbish fish litter waste government close down clean up used to do sth. “过去常常……” 表示过去习惯性的动作但如今已不存在。 play a part in doing sth. “参与做某事; 在做某事上起作用”。 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 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。 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。 Listen again and answer the following questions. What does Tony want to do later this afternoon? He wants to ______________________ in the river later this afternoon. go swimming with Mark 2. Why doesn’t Mark want to go with Tony? Because the river was really ______. Even the bottom of the river was full of _______, and there were ___________ for fishermen to catch. dirty rubbish no more fish 3. How was the river in the past? It used to be so _______. It has been the ___________ in this town. clean nicest river 1c Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a. used to do sth. “过去常常……” 表示过去习惯性的动作但如今已不存在。 play a part in doing sth. “参与做某事; 在做某事上起作用”。 The air was polluted. The heavy smoke flew into the air. But, it used to be clean and clear. Yes, but factories produced lots of waste gas every day. Everyone in the town should play a part in cleaning it up. Jenny used to play the piano. 用used to句型说出与图片情景相符的句子。 Jenny Mike used to wear glasses. Mike, glasses Peter used to play soccer. Peter, soccer Amy, long hair Amy used to have long hair. Mark used to like swimming. Mark, like swim Review used to “__________”, 表示___________ used to + ___________ 否定句: __________________________ 一般疑问句: _____________________________ 过去的习惯 过去常常 动词原形 Did you use to...? /Used you to …? didn’t use to … /used not to … Practice 1. She used to love cats but one attacked her and she doesn’t like them anymore. 她过去很喜欢猫，但被一只猫袭击过后，就再也不喜欢猫了。 Translate the sentences. 2. 她过去在伦敦住过。 She used to live in London. The earth is badly polluted. Please think of what we can do. Save the earth! Thank you for your attention! null 55326.457 null 64886.777 $$