Unit13 SectionA 1a-2d 课件 2024-2025学年人教版九年级英语全册

1 Let’s watch a video. There are _ kinds of pollution. They are _ pollution, _ pollution, _ pollution and _ pollution. They are _ and _ to us. We should help to _ the earth. four air water land noise harmful dangerous save 2 air pollution What caused air pollution? cars smoking planes factories Let’s discuss. 3 noise pollution What caused noise pollution? cars building houses loud music machines Let’s discuss. 4 water pollution What caused water pollution? littering / rubbish factories ships pesticide Let’s discuss. pesticide n. 农药 / pest sa d/ litter / l t (r)/ v. 乱扔 n. 垃圾 5 land pollution What caused land pollution? plastic chemical fertilizer heavy metal pesticide Let’s discuss. fertilizer n. 肥料 / f t la z (r)/ plastic n. 塑料 / pl st k/ 6 Write these words in the box below. 1a loud music littering building houses cars ships mobile phones rubbish factories planes smoking noise pollution air pollution water pollution loud music cars planes building houses mobile phones cars planes factories smoking rubbish littering ships factories machines power plants pesticides 7 Listen and complete the sentences. 1b 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. really dirty rubbish fish litter waste government close down clean up 8 Listen and fill in the blanks. Tony: Hey, Mark, maybe we could _ in the river later this afternoon. Mark: I don’t think I want to go, Tony. Tony: Why not? Mark: Iwas there last weekend and the river was really _. Even the bottom of the river was full of _, and there were no more fish for _ to catch. Tony: No way! It used to be so clean. In fact, it has always been _ river in this town. go swimming dirty rubbish fishermen the nicest 9 Listen and fill in the blanks. Mark: Not anymore. I think people are _ into the river. _ are also putting waste into the river. Tony: That’s terrible! We should write to the government. They should _ the factories. Mark: Good idea! But I think everyone in this town should help to _ the river, too. Everyone should _, not just the government. throwing litter Factories close down clean up play a part 10 Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a. 1c The river was dirty. Even the bottom of the river was full of rubbish. But it used to be clean. Yes, but people are throwing litter into the river. Everyone in this town should play a part in cleaning it up! 11 Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about. 2a land pollution air pollution noise pollution water pollution 12 Listen again and complete the sentences. 2b The air is badly polluted because there are _ on the road these days. Factories that burn coal also _ the air with a lot of black smoke. There is also too much rubbish and waste. People _ things every day. People are also littering in _ like parks. This is turning beautiful places into ugly ones. more cars pollute are throwing away public places 13 Listen and fill in the blanks. Reasons Air pollution There are _ on the roads these days. Factories _. Land pollution People are _ things like _ chopsticks, _ bowls and _ bags. People _ in public places, for example, during _ in parks. more cars burn coals throwing away wooden plastic plastic litter picnics 14 Listen and fill in the blanks. Interviewer: Today were talking to Jason and Susan about _. Jason and Susan, can you tell us about some of the problems you’ve seen? Jason: I think one problem is that the air is badly _. I hardly ever see blue skies anymore. Susan: Yes, and I used to see the stars clearly. Interviewer: What do you think _ this problem? Susan: Well, there are more cars on the road these days. Jason: And factories that _ also pollute the air with a lot of black smoke. environmental problems polluted has caused burn coal 15 Listen and fill in the blanks. Interviewer: What other problems do you see? Susan: I guess there’s too much _ and _ in the streets. Jason: Yes! Every day people are _ things like wooden chopsticks, plastic bowls and plastic bags. Susan: They’re also _ in public places, for example, during picnics in parks. This is turning beautiful places into ugly ones. Interviewer: You’re right. These are _ problems for our environment. Next, let’s talk about the things we can do to help. rubbish waste throwing away littering serious 16 Use the information in 2a and 2b to role-play conversations between Jason and Susan. 2c The air has become really polluted around here. I’m getting really worried. Yes, I used to be able to see stars in the sky. The problem is that … 17 Listen and complete the chart. Ways to solve the problems Air pollution Take the bus or _ instead of _. _. Waste pollution Bring a bag to _. Never take _ chopsticks or _ forks when buying takeaway food. Remember to throw rubbish in the _ and keep _ places clean and beautiful for everyone. subway driving Ride a bike go shopping wooden plastic bins public 2d 18 Role-play the conversation. 2d Interviewer: Jason and Susan, what are your ideas for solving these problems? Jason: Well, to cut down air pollution, we should take the bus or subway instead of driving. Susan: Yeah, or ride a bike. There are other advantages of bike riding. It’s good for health and it doesn’t cost anything! Interviewer: Great ideas! What about waste pollution? Susan: Mmm, I think simple things like bringing a bag to go shopping can help. I started doing that a year ago. 19 Role-play the conversation. 2d Jason: Me, too. Also, I never take wooden chopsticks or plastic forks when I buy takeaway food. I use the ones at home. Susan: And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone. Interviewer: So together, our actions can make a difference and lead to a better future! 20 Language points 2d Interviewer: Jason and Susan, what are your ideas for solving these problems? Jason: Well, to cut down air pollution, we should take the bus or subway instead of driving. Susan: Yeah, or ride a bike. There are other advantages of bike riding. It’s good for health and it doesn’t cost anything! Interviewer: Great ideas! What about waste pollution? Susan: Mmm, I think simple things like bringing a bag to go shopping can help. I started doing that a year ago. cut down 砍倒 instead of 代替;而不是 be good for 对……有好处 21 Role-play the conversation. 2d Jason: Me, too. Also, I never take wooden chopsticks or plastic forks when I buy takeaway food. I use the ones at home. Susan: And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone. Interviewer: So together, our actions can make a difference and lead to a better future! takeaway food 外卖食品 make a difference 产生影响 lead to 导致 22 Language points 教材例句: We’re trying to save the earth! 我们正在竭尽全力拯救地球! try to do = try one’s best to do 尽力去做某事 e.g. We’ll try to finish the work in a week. 我们将努力在一周内完成这项工作。 try的短语: try doing sth. 试着做某事 try on 试穿 try out 尝试;试验;试试 23 Language points 教材例句: Here are some words related to different kinds of pollution. 这里有一些与不同种类的污染有关的单词。 be related to 与……有关 e.g. Is the driver related to the accident? 司机和这起事故有关吗? 24 Language points 教材例句: Even the bottom of the river was full of rubbish. 甚至河底都堆满了垃圾。 bottom n. 底部; 最下部 (反义词是top) at / in the bottom of “在......的底部” e.g. Sign your name at the bottom of the page, please. 请在这一页下部签上你的名字。 e.g. My teacher has given me useful suggestions and I want to thank him from the bottom of my heart. 我的老师给了我一些有用的建议,我要从心底感谢他。 25 Language points 教材例句: Even the bottom of the river was full of rubbish. Yes, but people are throwing litter into the river. 甚至河底都堆满了垃圾。是的,但是人们正在往河里扔垃圾。 1. litter n. 垃圾 (不可数名词) “指(室内或公共场所)乱扔的废物;(纸屑、不要的包装纸、废瓶等)垃圾” 【还可回收】 2. rubbish n. 垃圾 (不可数名词) “没用的东西(被扔或将要丢弃的无用的东西)” e.g. There will be fines for people who drop litter. 乱扔垃圾的人将被罚款。 e.g. The streets were littered with rubbish. 街上到处都是垃圾。 26 Language points 教材例句: Everyone in this town should play a part in cleaning it up! 这个镇上的每个人都应该参与清理! play a part / role in 在……方面起作用 e.g. A good diet plays a large part in helping people live longer. 健康饮食在帮助人们长寿方面起着非常大的作用。 27 Language points 教材例句: It’s good for health and it doesn’t cost anything! 这对健康有好处,而且不花任何钱! cost v. 花费;使付出(指花费金钱,主语通常是物)。 句型:sth. cost(s) (sb.) some money “某物花费某人钱” e.g. The new shirt cost Mr Wang 200 yuan. 王先生花了200元买了新衬衫。 take v. 花费(多表示花费时间) 句型:It takes sb. some time to do sth. 做某事花费某人时间(其中it作形式主语)。 e.g. It usually takes me 40 minutes to cook the dinner. 我通常要花40分钟做晚餐。 28 Language points spend v. 花费(时间和金钱,主语常是人) 句型:sb. spend(s) some time / money on sth. 某人花费时间/金钱在某事上 sb. spend(s) some time / money (in) doing sth. 某人花费时间/金钱做某事 e.g. David spent 2,000 yuan on the new machine. 大卫花了2000元买这台新机器。 e.g. My father spends an hour (in) watching the news on TV every day. 我父亲每天花一个小时看电视新闻。 pay v. 花费(金钱,主语通常是人) 句型:sb. pay(s) some money for sth. 某人花钱在某事上 e.g. Tommy paid 20 yuan for his breakfast yesterday. 汤米昨天花了20元买早餐。 29 Exercises:根据句意,从方框中选择恰当的单词,并用其适当形式填空。 bin cost coal fisherman takeaway 1. A hot _ fell out of the fire and burnt the carpet (地毯). 2. A _ is hot cooked food that you buy from a shop or restaurant and eat somewhere else. 3. Do you want this or shall I throw it in the _? 4. Writing such a long novel _ much time and patience. 5. Look! Some _ are catching fish over there. coal takeaway costs fishermen bin 30 Exercises:根据汉语意思完成英语句子。 1. 工人们正在竭尽全力降低事故率。 The workers are doing all they can _ the accident rate. 2. 左边第二个房间里堆满了书。 The second room on the left is _ books. 3. 你应该向那些参与挽救病人的医生道谢。 You should say thanks to those doctors who have _ saving the patient. 4. 拉里将去开会,而不是我。 Larry will go to the meeting _ me. to cut down full of / filled with played a part in instead of 31 Exercises:根据汉语意思完成英语句子。 5. 我的目的是把这件坏事变成好事。 My purpose is to _ this bad thing _ a good one. 6. 保持教室干净是我们的责任。 It’s our duty to _ the classroom _. 7. 我们小区的噪音污染很严重。 The _ in our neighborhood is very serious. turn keep into clean noise pollution 32 null 64886.777 null 82730.055 null, track 1 2014 56449.664 $$