英語人教版九年級全冊unit13 p1.doc

Unit 13 Were trying to save the earth!Section A 1 (1a-2d)I. PresentationShow the picture of the earth and tell students the earth is polluted now. For example: (1) The factories that burn coal pollute the air with a lot of black smoke.(2) Factories put waste into the river.(3) People should throw away litter in the bin. (4)There are more cars on the road.Learn some new words.II. Work on 1aHere 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 phonesnoise pollution air pollution water pollution _ _ _ _ _ _ _ _ _III. Listening1. Work on1b. Listen and complete the sentences.What was the problem?The river was _. Even the bottom (底部) of the river was full of _. There were no more _ for fishermen (漁民) 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.2. Listen again and answer the following questions.1) What does Tony want to do later this afternoon?He wants to go swimming with Mark in the river later this afternoon.2) Why doesnt Mark want to go with Tony? Because the river was really dirty. Even the bottom of the river was full of rubbish, and there were no more fish for fishermen to catch. 3) How was the river in the past? It used to be so clean. It has been the nicest river in this town.IV. Practice1. Role-play the conversation in 1c.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 throwing litter into the river.Tony: Everyone in this town should play a part in cleaning it up!2. 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.B: What should we do?A: Factories are also putting waste into the river.B: Yes, everyone in this town should play a part.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.V. Language points1. Were trying to save the earth! 我們正在竭盡全力拯救地球! try to do =try ones best to do 努力去做某事。 【運(yùn)用】 我會盡力做好這項工作。_Welltryto finish the work in a week. 2. Here are some words related to different kinds of pollution. be related to 與有關(guān) e.g. Is the driver relate to the accident? 司機(jī)和這起事故有關(guān)嗎？3. .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”，用作不可數(shù)名詞。rubbish 指“沒用的東西(被扔或?qū)⒁獊G棄的無用的東西)”不可回收。litter 指“(室內(nèi)或公共場所)亂扔的廢物(紙屑、不要的包裝紙、廢瓶等)”還可回收【運(yùn)用】根據(jù)句意用rubbish或litter完成句子。1. Throw the _ out. 把垃圾扔出去。2. The room is full of _. 房間里堆滿了垃圾。3. Pick up your _ after a picnic. 野餐后將廢棄物收拾好。 rubbish, rubbish, litterVI. Listening1. Work on 2a. Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about.A. land pollution B. air pollutionC. noise pollution D. water pollution2. Work on 2b. 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 is turning beautiful places into ugly (丑陋) ones. Complete the sentences according to the dialogue.1. I _ _ _ able to see stars in the sky, but now I cant see them clearly. used to be2. The air _ _ really _ around there. has becomepolluted3. People are also _ in the public places. littering4. The factories that burn _ also _ the air with a lot of black smoke. coalpolluted VII. Practice (Work on 2c)Use the information in 2a and 2b to role-play conversations between Jason and Susan.Jason: The air has become really polluted around here. Im getting very worried.Susan: Yes, I used to be able to see stars in the sky.Jason: The problem is that VIII. DiscussionAsk students what we should do to save the earth. Help students answer, turn off thelights when you leave a room; stop riding in cars; stop using paper towels or napkins; recycle books and paper.IX. Reading1. Read 2d and complete the chart.ProblemsSolving problemsair pollutionwaste pollutionwooden (木頭的) chopsticks or plastic forksrubbish2. Role-play the conversation.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 (優(yōu)點(diǎn)) of bike riding. Its good for health and it doesnt cost (花費(fèi)) 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.Jason: Me, too. Also, I never take wooden chopsticks or plastic (塑料) forks when I buy takeaway (外賣食品) 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!X. Language points1. Its good for health and it doesnt cost anything! cost v. 花費(fèi)；使付出 指花費(fèi)金錢，主語通常是物。cost的過去式和過去分詞均為cost。 e.g. The new shirt cost Mr Wang 200 yuan. 王先生花了200元買了新襯衫。 How much does the new computer cost? 新電腦花了多少錢？辨析 take, spend, pay & costtake，spend，pay和cost都可以表示“花費(fèi)”，但它們的用法各有不同。1) take多表示花費(fèi)時間，常用于It takes sb. some time to do sth.這一句型中，其中it作形式主語。 e.g. It usually takes me 40 minutes to cook the dinner.2) spend多表示花費(fèi)時間和金錢，主語通常是人，常用于sb. spend(s) some time / money on sth.和sb. spend(s) some time / money (in) doing sth.兩種句型。 e.g. David spent 2,000 yuan on the new machine. My father spends an hour (in) watching the news on TV every day.3) pay多表示花費(fèi)金錢，主語通常是人，常用于sb. pay(s) some money for sth.句型。 e.g. Tommy paid 20 yuan for his breakfast yesterday.4) cost多表示花費(fèi)金錢，主語通常是物，常用于sth. cost(s) (sb.) some money. 句型。 e.g. The new dress cost Linda 80 yuan.根據(jù)句意用take, spend, pay或cost的適當(dāng)形式填空。1) That new car _them lots of money.2) Mona _ 50 yuan on the books just now.3) It usually _me an hour to do my homework.4) You should _some time practising your pronunciation.5) My brother _6, 000 yuan for the new computer yesterday.2. So together, our actions can