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1、Now lets enjoy a video1.What did she do ?2.Why did she do that ?She apologised to the environment.Because we cause a lot of pollutionIf the earth is in danger, we are in danger as well.Save our world！The situation is becoming very serious.factory n. 制造廠制造廠; 工廠工廠pollute v. 污染污染recycle v. 回收利用回收利用, 再使

2、再使用用(廢品廢品)waste n. 廢料廢料; 廢棄物廢棄物enemy n. 敵人敵人; 仇人仇人crop n. 莊稼莊稼; 作物作物kill v. 殺死殺死; 弄死弄死oil n. 石油石油Listen to me carefully!Listen and complete the sentences.1. The factory is causing a lot of _.2. There should be some _ to stop the pollution.3. We can _ waste products, such as _ and paper in a recyclin

3、g centre.Listen and read. pollutionrulesrecycleglassLingling and her classmates are talking enviroment .Please check the key words when you hear them.Car traffic crops pollution Oil factories rivers hospital Now lets enjoy a flash and answer questionsPollution is our great _. Pollution from _ is a d

4、anger to our health, and may even _ people. enemyfactorieskillFactories sometimes _ the rivers, and farmers cannot use the water for their crops. Pollution _ over cities and villages, and that _ even more danger. Cars use a lot of _ and cause pollution too. pollute spreadscausesoilmain mapGreen scho

5、olCollect the wasteSell the wasteHelp the students in poor areasLearn ways to save energy and recycle at homeMake less wasteRead the dialogue and complete the notes.Pollution problems1. If the rivers are polluted, _ _.2. In some places, pollution from factories _. farmers cant use them to water thei

6、r cropsspreads over cities and villages3. The cars on the roads _ _. use so much oil and cause pollution What the students can do 4. Support a green school: every class _ which can be _ _. Then the school _ to help students _.collects waste recycled or used againsells the wastein poor areas5. Studen

7、ts learn _ _. That means _. ways to save energy and recycle at homeless wasteTask 4Read the dialogue and find out the key points and difficult points1.做某事沒有用處做某事沒有用處_2.比如說比如說_3.無望的無望的_Its no use doing sthSuch as .hopelessthink of / suddenly/ pink/ run bytake out/ look at/ lateget up/ strange/ run ac

8、rossa rabbit hole/ hedge/ go down One day, Alice and her sister were sitting by the river.Her sister was reading ,but Alice had nothing to do Task 5 Free talk1.What is your citys problem?2. What to do to help the city?pollution air pollutionwater pollutionnoise pollutionsolid waste pollution The air

9、 pollution in our city is getting worse. What can we do to stop it? I think we can ride our bicycles to school more.- What should we do to protect the environment?-We should/shouldntdrop the litter into the riverturn off the tap stop the factory fromCollect the waste books and waste foodrecycle the second-hands Summary1.做某事沒有用處做某事沒有用處_2.比如說比如說_3.無望的無望的_Its no use doing sthSuch as .hopelessWrite a passage about how to control pollution and how save our earth.