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1、 Period 1(1a-2c)SectionA Unit 13 Were trying to save the earth.water pollution noise pollution land pollution air pollutionWhat kinds of pollution do you know?pollution 污染污染Look at the following picture and guess what kind of pollution it is.Guessing game!air pollutionwater pollutionnoise pollutionw
2、ater pollutionland pollution water pollution noise pollution land pollution air pollutionDo you know what caused(引起引起)the pollution?pollution 污染污染1aHere are some words related to different kinds of pollution.Write them in the box below.noise pollution _air pollution _water pollution _loud musicplane
3、smobile phonesfactoriescarssmokingshipsfactorieslitteringrubbishbuilding housesbuilding houses loud music cars rubbish planeslittering ships factories smokingbuilding houses mobile phonescars1aTony and Marks hometownThe river used to be clean and beautiful.Now,the river is very dirty.The bottom of t
4、he river is full of rubbish.There are no more fish in it.Children used to go swimming in it.There used to be fish in the river.used to benow1b.Listen and complete the sentences.What was the problem?The river was _.Even the bottom(底部底部)of the river was full of _.There were no more _ for fishermen(渔民渔
5、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 helpto _ the river.really dirtyrubbishfishlitterwastegovernmentclose downclean up2aL
6、isten to the interview.Circle the kinds of pollution that Jason and Susan talk about.A.land pollution B.air pollutionC.noise pollution D.water pollution2bListen 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 _ t
7、he air with a lot of black smoke.more carspollute3.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(丑陋的丑陋的)ones.are throwing awaypublic placesChoose one picture and then make your own conversatio
8、ns about it.noise pollutionland pollutionair pollutionwater pollutionnoise pollutionwater pollutionPair workFor example:A：The water is badly polluted!B:What caused the water pollution?A:People throw rubbish into the river.B:How should it be solved?A:We should throw rubbish in the bins.垃圾箱垃圾箱Choose o
9、ne picture and then make your own conversations about it.noise pollutionland pollutionair pollutionwater pollutionnoise pollutionwater pollutionPair workFor example:A：The water is badly polluted!B:What caused the water pollution?A:People throw rubbish into the river.B:How should it be solved?A:We sh
10、ould throw rubbish in the bins.The earth is badly polluted.The environment is getting worse.Its time for us to do something to cut down(减少减少)the pollution!What should we do to save the earth?1.New words:乱扔乱扔_ 底部底部_ 煤块煤块_ 渔民渔民_ 丑陋的丑陋的_2.Kinds of pollution:水污染水污染_ 大气污染大气污染_噪音污染噪音污染_ 陆地污染陆地污染_ litterbo
11、ttomfishermancoal ugly water pollutionair pollutionnoise pollutionland pollution3.Ways to save the earthWe only have one earth!Protecting the earth is to protect ourselves.Our actions can make a difference and lead to a better future!take action!1.Review the new words and expressions.2.Write 5 sentences about the pollution and how to solve them in your hometown.