九年级英语Unit13sectionA1(教育精品).ppt
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1、Unit13Weretryingtosavetheearth.SectionA(1a-2d)The earth is polluted.air pollutionThefactoriesthatburncoalpollutetheairwithalotofblacksmoke.We should stop the factories from polluting the air.Factoriesareputtingwastewaterintotheriver.Weshouldstopfactoriesfromputtingwasteintotheriver.water pollutionli
2、tterv.乱扔乱扔n.垃圾垃圾rubbish/waste/garbage垃圾,废弃物垃圾,废弃物Weshouldthrowlitterintothebinsandkeeppublicplacescleanandbeautiful.waste pollutionnoise pollutionTherearemorecarsontheroad.We should ride our bikes or walk to school instead of driving to school or work1aHere are some words related to different kinds
3、of pollution.Write them in the box below.Then add more words.noisepollution_airpollution_waterpollution_loudmusicplanes/carsmobilephonesfactoriescarssmokingshipsfactorieslitteringrubbishbuildinghousesbuildinghousesloudmusiccarsrubbishplaneslitteringshipsfactoriessmokingbuildinghousesmobilephonesList
4、en and answer the questions.1.What does Tony want to do later this afternoon?He wants to go swimming later this afternoon.2.Why doesnt Mark want to go with Tony?Because he was there last weekend and the river was really dirty.3.How was the river in the past?It used to be so clean.1bListen again and
5、complete the sentences.What was the problem?Theriverwas_.Eventhebottom(底部底部)oftheriverwasfullof_.Therewerenomore_forfishermen(渔民渔民)tocatch.reallydirtyrubbishfishWhat caused the problem?Peoplearethrowing_intotheriver.Factoriesareputting_intotheriver.How should the problem be solved?Weshouldwritetothe
6、_andaskthemto_thefactories.Everyoneshouldhelpto_theriver.litterwasteclose downclean upgovernment1cTheriverwasdirty.Eventhebottomoftheriverwasfullofrubbish.Butitusedtobesoclean!Yes,butpeoplearethrowinglitterintotheriver.Everyoneinthistownshouldplayapartincleaningitup!Make conversations using the poll
7、ution in 1a.A:The river has always been the nicest river in this town.B:Yes,it used to be so clean.A:But I was there last weekend and the river was really dirty.B:What caused the problem?A:People are throwing litter into the river./Factories are also putting waste into the river.B:Yes,everyone in th
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