unit13-We-are-trying-to-save-the-earth!

1、 What made our earth ugly?waste waterwaste airbuilding housesrubbishWe humans pollute our homeland- the earth. 污染污染There are 3 kinds of serious pollutionWe are polluting our planet in so many ways.air pollutionnoise pollutionwater pollutionTo talk about air pollution, water pollution and noise pollu

2、tion.To think about ways of protecting the environment. Here are some words related to （与有关）（与有关） 3 different kinds of pollution.1aloud music cars rubbish planeslittering ships factories smokingbuilding houses mobile phonesnoise pollution air pollution water pollution_ _ _ _ _ _ _litter n. 垃圾垃圾 thro

3、w away trash rubbish, waste, trash v. 乱扔乱扔noise pollution _air pollution _water pollution _ loud musicplanesmobile phonesfactoriescarssmokingshipsfactorieslitteringrubbishbuilding housesbuilding housesloud music cars rubbish planeslittering ships factories smokingbuilding houses mobile phonesfactori

4、escars1aBattery can pollute the land.Mobile phones can cause not only noise pollution but also land pollution.We should not throw them away.Factories put waste (water )into the river.water pollution1. What do you think of the river?2. How does it become so dirty?3. What should we do to save it?Liste

5、n and complete the sentences.1b1bwhat was the problem?The river was _. even the bottom of the river was full of _. there were no more _ for fishmen to catch.really dirtyrubbishfishwhat caused the problem?people are throwing _into the river. Factories are putting _ into the river.How should the probl

6、em be solved?We should write to the _ and ask them to _ the factories. everyone should help to _ the river.litterwastegovernmentclose downclean upMark: 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 ri

7、ver.Tony: Everyone in this town should play a part in cleaning it up! Role-play the conversation. Then make your own conversations about the kinds of pollution in 1a.1c1c1c短语短语1. bottom of the river 2. be full of3. used to4. throw litter into5. play a part in过去常常过去常常河底河底充满充满参与参与把垃圾扔进把垃圾扔进2a2a Listen

8、 to the interview. Circle the kinds of pollution that Jason andSusan talk about. A. land pollution B. air pollution C. noise pollution D. water pollutionair pollutionThe factories that burn coal pour dangerous gases into the air. n. 煤炭煤炭The car pollutes air.排放排放The air is polluted.1.Do you think the

9、 sky is blue?2. Can we see many stars clearly at night?Interviewer: Today were talking to Jason and Susan about environmental problems. Jason and Susan, can you tell us about some of the problems youve seen?Jason: I think one problem is that the air is badly polluted. I hardly ever see _ anymore.Sus

10、an: Yes, and I used to see the _ clearly.Interviewer: What do you think has caused this problem?Susan: Well, there are more _ on the road these days.Jason: And factories that burn coal also pollute the air with a lot of black smoke.blue skiesstarscarspeople are throwing away things like wooden chops

11、ticks, plastic bowls and plastic bags in public.land pollution在公共场合在公共场合This behavior causes land pollution1.What did you see at first?2. Where are the people?Interviewer: What other problems do you see? Susan: I guess theres too much _in the streets.Jason: Yes! Every day people _away things like wo

12、oden chopsticks, plastic bowls and plastic bags.Susan: Theyre also littering in_ places, for example, during picnics in parks. This is turning beautiful places into ugly ones.Interviewer: Youre right. These are serious problems for our environment. Next, lets talk about the things we can do to help.

13、rubbish and wasteare throwing public1. 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 away every day.4. People are also littering in_ like parks. Th i

14、s turns beautiful parks into ugly places.more carspolluteare throwing public places2b2b Listen again and complete the sentences. Natural resources are disappearing at a dangerous speed.以危险的速度以危险的速度extinct灭绝灭绝Dad, whats the acid rain?What should we do to save the earth?We must think of better ways to

15、 treat our planet in future.recycle books and paper回收利用回收利用=use againTurn off the lights when you leave a room. Take the bus or ride the bike instead of driving cars.Bring a cloth bag to go shopping instead of plastic bags.Turn off the shower when you finish washing.Throw rubbish in the bins 垃圾桶垃圾桶W

16、hat do you usually do ?Are you a friend of the Earth? Take this quiz(测试）测试）.STARTWhen you write on a piece of paper, what do you do?I write on one side only.I write on both sides.You go shopping. What do you do?I use a lot of new plastic bags.I use my own bag.There are a lot of old newspapers at you

17、r home. What do you do?I throw the old newspapers away.I recycle the old newspapers.You drink a can of cola. What do you do?I throw away cans.I recycle cans. remember to throw rubbish in the bins and keep public places clean and beautiful for everyone.So together因此因此, our actions can make a difference and lead to a better future!2dRead 2d and complete the chart.ProblemsSolving problemsair pollutionwaste pollutionwooden (木头木头的的) chopsticks or plastic forksrubbish把下面的短语与汉语意思连起来。把下面的短语与汉语意思连起来。make a diffenencecut downlead to be full of play a part in 导致导致起作用起作用减少减少参与参与