【正文】 rongest around 70 million fallen by over 90 percent WildAid and the WWF develop laws scientific studies VI. Language points 1. A shark can no longer swim and slowly dies. 鯊魚(yú)不能再游泳然后慢慢死掉。 ④ 我買(mǎi)外賣(mài)食品從來(lái)不拿木筷子和塑料叉子。 ② 這個(gè)小鎮(zhèn)上的每個(gè)人都應(yīng)該參加打掃。 XI. Exercises 用動(dòng)詞的適當(dāng)形式填空。 . The new dress cost Linda 88 yuan. 根據(jù)句意用 take, spend, pay 或 cost 的適當(dāng)形式填空。 . 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(qián)，主語(yǔ)通常是人，常用于 sb. pay(s) some money for 。 1) take 多表示花費(fèi)時(shí)間，常用于 It takes sb. some time to do ，其中 it 作形式主語(yǔ)。 How much does the new puter cost? 新電腦花了多少錢(qián)？ take, spend, pay amp。 cost 的過(guò)去式和過(guò)去分詞均為 cost。 recycle books and paper. IX. Reading 1. Read 2d and plete the chart. Problems Solving problems air pollution waste pollution wooden (木頭的 ) chopsticks or plastic forks rubbish 2. Roleplay 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. It’s good for health and it doesn’t 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(mài)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. Summary and language points 1. This is turning beautiful places into ugly ones. turn… into… 把 …… 變成 …… . The icy rain seemed like to turn into snow. 漸漸地凍雨又變成雪花的模樣。 stop riding in cars。 Pick up your litter after a piic. 野餐后將廢棄物收拾好。 litter 指 “(室內(nèi)或公共場(chǎng)所 )亂扔的廢物 (紙屑、不要的包裝紙、廢瓶等 )”還可回收 . Throw the rubbish out. 把垃圾扔出去。 4. 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。 3. Everyone in this town should play a part in cleaning it up! play a part in 在 …… 方面起作用 . A good diet plays a large part in helping people live longer. 健康的飲食在幫助人們長(zhǎng)壽方面起著非常大的作用。 . Every student should try to study hard in order to study in a university. 為了進(jìn)入大學(xué)學(xué)習(xí)，每個(gè)學(xué)生都應(yīng)該努力學(xué)習(xí)。 2. 教學(xué)難點(diǎn)： 能正確運(yùn)用現(xiàn)在進(jìn)行時(shí)，現(xiàn)在完成時(shí)，被動(dòng)語(yǔ)態(tài)，情態(tài)動(dòng)詞和 used to 句型。 二、 教學(xué)重 難 點(diǎn) ： 1. 教學(xué)重點(diǎn)：（ 1） 能 正確運(yùn)用現(xiàn)在進(jìn)行時(shí)，現(xiàn)在完成時(shí)，被動(dòng)語(yǔ)態(tài)，情態(tài)動(dòng)詞和 used to 句型。 Unit 13 We’re trying to save the earth! 一、 教學(xué)目標(biāo) ： 1. 語(yǔ)言知識(shí)目標(biāo) 基本詞匯 ： litter, advantage, bottom, fisherman, coal, ugly, cost, wooden, plastic, takeaway, bin, shark, fin, method, cruel. Harmful, chain, ecosystem, industry, law, scientific, afford, reusable, transportation, recycle, napkin, upside, gate, bottle, president, inspiration, iron, work, metal, creativity, 基本詞 組 ： be harmful to, at the top(of sth.), take part in, turn off, take action, throw away, put sth. to good use, pull… down, bring back 基本句型 ： We’re trying to save the earth! The river used to be so clean. The air is badly polluted. No scientific studies have showed that shark fins are good for health. We should help save the sharks. 2. 技能目標(biāo) : 能 正確運(yùn)用現(xiàn)在進(jìn)行時(shí)，現(xiàn)在完成時(shí)，被動(dòng)語(yǔ)態(tài)，情態(tài) 動(dòng)詞和 used to 句型。 3. 情感目標(biāo) : 有環(huán)境危機(jī)意識(shí)，學(xué)會(huì)關(guān)注環(huán)境保護(hù)環(huán)境。 （ 2）保護(hù)環(huán)境的措施方法。三、 教學(xué)步驟 : Section A 1 (1a2d) I. Presentation Show 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. II. Learning 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 ____________ ___________ _____________ ____________ ___________ _____________ ____________ ___________ _____________ ____________ ___________ _____________ Keys : noise pollution loud music planes mobile phones building houses air pollution factories smoking cars building houses water pollution ships rubbish littering factories III. Listening 1. 1b Listen and plete the sentences. ???????????????????????????????????????????????????????????????????? 底部??????????????????????????????????????????????????????????????????????????????漁民 ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????Keys: really dirty rubbish fish litter waste government close down clean up 2. Listen again and check (√ ) the sentences you hear. 1) We could go fishing in the river. 2) The river was really dirty. 3) The river has always been the nicest river in this town. 4) We should ask the teachers for help. Keys: 2 3 IV. Practice 1. Roleplay 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