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Unit2SavingtheEarthTopic1Pollutionhascausedtoomanyproblems.SectionB自学提示一Task1.2’Watchtheflash,thenanswerthequestionsbelow.Answerthequestions.1.DoesBrucelookwell?2.What’swrongwithhim?3.Howlonghashebeenlikethis?4.Hasheseenadoctor?KangkangwasgoingtoleavetheWestHill.HemetMrs.Zhou.Theyhadatalk.KangkangaskedMrs.Zhousomequestions.Task21b4’Task31cRead1aandanswerthequestions.2’找出对话中的知识点并背诵3’Thefactorycausestoomanyproblems.It’sdifficultformetobreathe.我呼吸很困难。1aLook,listenandsay.Task23a.Example:Peopleusechemicalstoomuchintheirfields,/andsoilpollutioncausesunhealthyfood.1.Peoplepourwastewaterintoriversandlakes,/so_________________isalmosteverywhereinChina.2.______________makespeoplesick./Itcausesbreathingproblemsandevencancer.3.Insomecities,/there’stoomuch________________causedbymanycars.4.________________isharmfultobirds./Also,/whenweusetoomanylightsatnight,wewasteenergy.5._________makesamessofourenvironment,/sopeopleshouldn’tthrowitaround.Lightpollutionisharmfultobirds.ExercisesExercisessummary
