Unit13课件分享.pptx

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1、Period 1 1a-2d WordsUnit 13 Were trying to save the earth.SectionATo talk about air pollution, water pollution and sound pollution.To think about ways of protecting the environment.To learn the new words: advantage, scientificLook at our earth!Endangered animals DesertificationNatural disastersPollu

2、tionSerious pollutionWe are harming our planet in so many ways.伤害伤害air pollutionnoise pollutionwater pollutionthe earth song by Michael Jackson !Factories pour dangerous gases into the air.Air pollutionCars also pour dangerous gases into the air.Some people smoke in public places. Noise pollutionWat

3、er pollutionHelp save the earth We must think of better way to treat our planet in future.You drink a can of cola. What do you do?I throw away cans.I recycle cans.You throw away the cans. Thats bad for the Earth.You recycle the cans.Thats good for the Earth.There are a lot of old newspapers at your

4、home. What do you do?I throw the old newspapers away.I recycle the old newspapers.You throw old newspapers away. You waste paper.Thats bad for the Earth.You recycle old newspapers. You save paper. Thats good for the Earth.You go shopping. What do you do?I use a lot of new plastic bags.I use my own b

5、ag.You use a lot of new plastic bags. Thats bad for the earth.You use your own bag. Thats good for the Earth.When you write on a piece of paper, what do you do?I write on one side only.I write on both sides.You use paper on one side only. Thats bad for the Earth.You use paper on both sides. Thats go

6、od for the Earth. close down the factories; help to clean up the river; take the bus or subway; ride a bike; bring a bag to go shopping, throw rubbish in the cans; turn off the lights when you leave a room; use paper or reusable bags; recycle books and paper; turn off the shower when you wash your h

7、air; dont use napkins; rethink, reuse, recycle . . Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.loud musiccarsrubbishplaneslitteringshipsfactoriessmokingbuilding housesmobile phones1aNoise pollutionAir pollutionWater pollutioncars, fac

8、tories, smoking, building houses (burning, power plants, nuclear waste disposal)Loud music, planes, building houses, mobile phones (machines,crowds)rubbish, littering, ships, factories (sewage, industrial waste, pesticides)Listen and complete the sentences.what was the problem?The river was _. even

9、the bottom of the river was full of _. there were no more _ for fishmen to catch.really dirtyrubbishfish1bwhat 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. eve

10、ryone should help _to the river.litterwastegovernmentclose downclean upThe river was dirty. Even the bottom of the river was full of rubbish.But it used to be so clean!1cYes, but people are throwing litter into the river.Everyone in this town should play a part in cleaning it up!Make conversations u

11、sing the pollution in 1a.The river has always been the nicest river in this town.Yes, it used to be so clean.But I was there last weekend and the river was really dirty.What caused the problem?Factories are also putting waste into the river.People are throwing litter into the river.What should we do

12、?Yes, everyone in this town should play a part.We should write to the government and ask them to close down the factories.What else can we do?Everyone should help to clean up the river.1. Were trying to save the earth! 我们正在竭尽全力拯救地球我们正在竭尽全力拯救地球! try to do =try ones best to do 努力去做某事。努力去做某事。 Every stu

13、dent should try to study hard in order to study in a university. 为了进入大学学习，每个学生都应该努力学为了进入大学学习，每个学生都应该努力学 习。习。2. Here are some words related to different kinds of pollution. be related to 与与有关有关 I am not related to him in any way. 我和他无任何关系。我和他无任何关系。 3. Everyone in this town should play a part in clean

14、ing it up! play a part in 在在方面起作用方面起作用 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健康的饮食在帮助人们长寿方面起着非常大的作用。的作用。play a part 在在中扮演角色中扮演角色 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。他被邀请参加这个电视剧的演出。4. Even the bottom of the river was full of rubbish

15、. Yes, but people are throwing litter into the river.litter和和rubbish都可指都可指“垃圾垃圾”，用作不可，用作不可数名词数名词。rubbish指指“没用的东西没用的东西(被扔或将要丢弃的被扔或将要丢弃的无用的东西无用的东西)”不可回收不可回收。litter指指“(室内或公共场所室内或公共场所)乱扔的废物乱扔的废物(纸纸屑、不要的包装纸、废瓶等屑、不要的包装纸、废瓶等)”还可回收。还可回收。Throw the rubbish out. 把垃圾扔出去。把垃圾扔出去。The room is full of rubbish. 房间里堆满

16、了垃圾。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。野餐后将废弃物收拾好。 Listen to the interview. Circle the kinds of pollution that Jason and Susan talk about. A. land pollution B. air pollution C. noise pollution D. water pollution2a1. The air is badly polluted because there are _on the road these

17、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 away every day.4. People are also littering in_ like parks. Th is turns beautiful parks into ugly places.more carpolluteare throwing awaypublic placesListen again and

18、 complete the sentences. 2b1. Who is the interviewer talking to?2. What are they talking about?3. What other problems do they see?Susan and Jason.The environmental problems.Theres too much rubbish and waste in the streets.The air has become really polluted around here. Im getting very worried.Yes, I

19、 used to be able to see stars in the sky.The problem is that 2c Use the information in 2a and 2b to role-play conversations between Jason and Susan.Read 2d and complete the chart.ProblemsSolving problemsair pollutionwaste pollutionwooden (木头木头的的) chopsticks or plastic forksrubbishtake the bus, subwa

20、y or ride a bike instead of driving. bring a bag to go shopping.use chopsticks or forks at home.throw rubbish in the bins.2dJason and Susan, what are your ideas for solving these problems?Yeah, or ride a bike. There are other advantages (优点优点) of bike riding. Its good for health and it doesnt cost (

21、花费花费) anything!Well, to cut down air pollution, we should take the bus or subway instead of driving.Great ideas! What about waste pollution?Me, too. Also, I never take wooden chopsticks or plastic (塑料塑料) forks when I buy takeaway (外卖食品外卖食品) food. I use the ones at home.Mmm, I think simple things lik

22、e bringing a bag to go shopping can help. I started doing that a year ago.And remember to throw rubbish in the bins and keep public places clean and beautiful for everyone.So together, our actions can make a difference and lead to a better future!辨析：辨析： turn, get与与become(1) become 多指身份，职位等的变化，多指身份，职

23、位等的变化，它强调变化过程已经完成，后面可以接名词它强调变化过程已经完成，后面可以接名词或者形容词。或者形容词。 He becomes a teacher.(2) get多用于口语，表示一种变化过程，多用于口语，表示一种变化过程，强调的是强调的是“渐渐变化渐渐变化”后常接形容词的比较级形式。后常接形容词的比较级形式。Language Points In winter the days get shorter. 冬天白天渐渐变短。冬天白天渐渐变短。(3) turn 指的是在颜色和性质等方面与以前的完指的是在颜色和性质等方面与以前的完全不同，强调变化的结果。全不同，强调变化的结果。 leaves

24、turned brown in the mountains. 山里的树叶已经变成了棕色。山里的树叶已经变成了棕色。 ：uHer mother _ angry when she heard the news.uIts _ darker and darker outside.uThe milk has _bad.becamegettingturned cut down, 意为意为减少减少； 是是“动词动词+副词副词”结结构的短语，后面所带的宾语为名词时，宾语构的短语，后面所带的宾语为名词时，宾语可以位于可以位于down的前面或后面；为代词时只的前面或后面；为代词时只能位于能位于down前面。前面。

25、 Youd better cut the article down to about 2000 words. cut 后接后接off, into,up, in 的不同：的不同：cut off切断；切除切断；切除cut into把把.切成切成.cut up切碎切碎cut in 插队插队花费花费主语主语表示内容表示内容spend人人宾语可以是钱，精宾语可以是钱，精力，时间等。力，时间等。cost物或事物或事后接后接life，money，health，time等，等，侧重与花费的代价侧重与花费的代价take事或人事或人说明事情完成花费说明事情完成花费了了.辨析：辨析：spend, cost, tak

26、e, pay花费花费主语主语表示内容表示内容pay人人支付支付 作为及物动作为及物动词，可以是词，可以是 pay sb 或或pay some money；作为不及物动词，作为不及物动词，形式为形式为pay for。for表支付的原因。表支付的原因。1. He _ go out with his parents, but now he _ stay at home alone. A. use to; is used to B. is used to; used to C. use to; used to D. is used to; is used to2. The interesting bo

27、ok _ me 10 yuan. A. took B. paid C. spend D. costChoose the best answer.3. We must do something useful to _ pollution. A. cut off B. cut up C. cut down D. cut in4. Smoking can _ lung cancer. youd better give it up. Awork on Blead to Ctake away Dput out5. -What are the _ of bike riding? - It can help

28、 cut down air pollution. Aadvantage Breasons Cresults Dideas用方框中所给词的适当形式填空。用方框中所给词的适当形式填空。1. Dont throw _(垃圾垃圾) everywhere.2. In winter, many people burn _(煤煤) to keep warm.3. The police found a body at the _(底部底部) of the lake.4. The _(花费花费) of living in big cities is very high.5. He keeps a rabbit in a big _(木制的木制的) box.cost wooden, coal , bottom, littercost woodencoalbottomlitterThe earth is badly polluted. Please make a poster and think of what we can do.1.Review the new words and expressions.2.Practice the conversation in 2d.