Unit 13 Section A1 1a～2d 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! Section A1(1a-2d) 1a Here are some words related to different kinds of pollution. Write them in the box below. Then add more words. 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. Listen and complete the sentences. really dirty rubbish fish litter waste government close down clean up 1b Role-play the conversation. Mark: The river was dirty. Even the bottom of the river was full of rubbish. Tony: But it used to be so clean! Mark: Yes, but people are littering in the river. Tony: Everyone in this town should play a part in cleaning it up! 1c used to do sth. 过去(常常)做 play a part in doing sth.. 参与做某事；在做某事方面起作用 A. land pollution B. air pollution C. noise pollution D. water pollution Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about. 2a Listen again and complete the sentences. 1. The air is badly polluted because there are __________on the road these days. 2. Factories that burn coal also ______ the air with a lot of black smoke. 3. There is also too much rubbish and waste. People ___________________things every day. 4. People are also littering in____________ like parks. This turns beautiful parks into ugly ones. more cars pollute are throwing away public places adj.丑陋的 2b advantage n.优点；有利条件 （反）disadvantage 缺点 外卖食物 make a difference to 对...有作用或影响 1. Well, to cut down air pollution,we should take the bus or subway instead of driving. cut down 减少 cut down 砍倒； 减少 People cut down many trees so a lot of animals lose their homes.人们砍倒了很多树，因此大量的动物失去了它们的家。 cut off 切掉 The doctor had to cut off his arm to save his life.为了挽救他的生命，医生不得不将他的胳膊截肢。 cut out 删除 You can cut out the unimportant details. 你可以删掉不重要的细节。 cut up 切碎 Cut up the meat，please. 请把肉切碎。 spend的主语是人 sb. spend…(in)doing sth. 某人花费时间/金钱做某事 sb.spend…on sth 某人花费时间/金钱在某事上 I usually spend an hour (in) reading English every morning.每天早上我通常花1小时读英语。 take的主语是形式主语it It takes sb.some time to do sth. 做某事花费某人一些时间 It takes me 10 minutes to go to school by bus.我上学乘公共汽车需要花费10分钟。 pay的主语是人 sb.+pay(+sb.)+some money+for sth. 某人为某物花费/付给(某人)钱 I paid much money for the computer. 我买这台电脑花了很多钱。 cost的主语是物 sth.cost sb.some money 某物花了某人多少钱。 The watch cost me 120 yuan. 这块手表花了我120元。 2. “花费” spend,take,pay,cost 的区别 So together,our actions can make a difference and lead to a better future! 2d Read 2d and complete the mind map. 1.He ___ go out with his parents, but now he ____ staying at home alone. A. used to; is used to B. is used to; used to C. used to; used to D. is used to; is used to 2. The interesting book ___ me 10 yuan. A. took B. paid C. spent D. cost 3. We must do something useful to ___ pollution. A. cut off B. cut up C. cut down D. cut out 4. Smoking can ___ lung cancer. You’d better give it up. A．work on B．lead to C．take away D．put out Exercises The earth is polluted. There are different kinds of pollution around us. air pollution The factories that burn coal pollute the air with a lot of black smoke. n.煤炭 Cars also cause air pollution. Some people smoke in public places. water pollution n.垃圾，废料 Factories put waste into the river. noise pollution Cars make much noise. People build houses. We should throw rubbish in the bins. People throw litter everywhere. land pollution n.垃圾 v.扔垃圾 n.垃圾箱 We only have one earth! Let's play a part in loving and saving it! Homework 完成《名师》第一课时练习。 ¡¾¿Î¼þÕ¾www.kjzhan.com¡¿ÊÕ¼¯ÕûÀí,Ãâ·ÑÏÂÔØ, track 1 2014 δ֪ 64886.777 ¡¾¿Î¼þÕ¾www.kjzhan.com¡¿ÊÕ¼¯ÕûÀí,Ãâ·ÑÏÂÔØ, track 2 2014 δ֪ 82730.055 ¡¾¿Î¼þÕ¾www.kjzhan.com¡¿ÊÕ¼¯ÕûÀí,Ãâ·ÑÏÂÔØ, track 3 2014 δ֪ 79203.18 ¡¾¿Î¼þÕ¾www.kjzhan.com¡¿ÊÕ¼¯ÕûÀí,Ãâ·ÑÏÂÔØ, track 4 2014 δ֪ 66192.93 $$