2022-2023学年英语仁爱版九年级上册-Unit-2

Unit2.2pollutionmanytreescutdownforestsgonewashtheearthaway冲走changeintodesert转换成，变成沙漠e.g.Alotofrichlandhaschangedintodesertbecausepeoplehavecutdowntoomanytrees.________________________________________________theearthwemustdosomethingproblemsandeffectsChoosethebesttitleandmatchtherightkeywordswitheachpart.EnvironmentalproblemsPart1:Part2:Part3:①②--⑥⑦Tip:Wecandivideapassageaccordingtothekeywords.Part1Howoldistheearth?4.6billionyearsoldHowlonghavewelivedontheearth?35,000yearsHasourplanetchangedalot?YesReadandfindthebesttitlesofparagraph2-6:Paragraph2:_____________Paragraph4:_____________Paragraph6:_____________Sometimeswecangetthekeywordsfromthefirstsentence.Tip:A.TrafficpollutionB.FactorypollutionC.TheozoneholeD.FewertreesE.MorecarbondioxideParagraph3:_____________Paragraph5:_____________Part2二氧化碳/‘ka:bəndai’a:ksaid/臭氧/’əuzəun/fewertreestrafficpollutionfactorypollutionbecomedeserts;disappeartheozoneholemorecarbondioxidepollutetheair;havehealthproblemspollutelandandwater;bedead……1cCompletethenotesaccordingto1a.ProblemEffectontheenvironmentfewertreesforestsbecomedeserts,animalsandplantsdisappeartrafficpollutiongreenhouseeffect,levelofoceansrising,climatechangecarsandbusespolluteair,healthproblemspollutelandandwater,riversandlakesdeadharmfulradiationreachestheearth,causecancerfactorypollutionozoneholemoreCO22SurftheInternettocollectmoreinformationaboutenvironmentalproblemsandeffects.Thendiscusstheinformationingroupsandtakenotes.3.Combinethekeypointsin1cand2toformashortpassageandpayattentiontotheproperlinkingwords.Asweallknow,waterpollutionisbecomingmoreandmoreserious.Somefactoriespourwastewaterintotherivers.Asaresult,itmakesthewaterdirtyandsmellterrible.Mostoffishinthewaterhavediedandwecan’tswiminthewater.Waterisveryimportanttohumanbeings,soweshoulddoourbesttoprotectandsaveit.Luckily,ourgovernmentistakingmeasurestoprotectthewaterfrompollution.Youcanwriteitlikethis:1.Doyouhaveanybadhabitswhenyouareatschool?Whatarethey?2.Howcanyoumakeyourschoollookbetter?Goupwork.Youcanchoosethephrasestouse:1.Itsaysthat…2.asaresult3.somethinguseful4.Noneof…5.hereandthere6.carefor7.Worstofall8.makerules9.changethesituation10.Perhaps11.obeytherules12.doone’sbestMakeaspeechaboutprotectingourenvironment.SummaryWelearn:1.somewords:none,rubbish,wild,nobody,worst,situation,punish,everybody2.somephrases:hereandthere,worstofall3.somesentences:①Noneofuslikespollution.②Don’tspitanywhereinpublic.③Everyoneshouldcareforwildanimalsandplantmoretrees.④Weshoulddoeverythingwecantoprotecttheenvironment.5Weshouldn'tleaverubbishhereandthere.Wecan:1.Usetheindefinitepronounsandadverbscorrectly.2.Usetheproperwaystoprotecttheenvironment.1.Writeashortpassagewiththetitle“ProtectingandSavingWater”.写一篇题为“保护和节约水资源”的短文。2.预习SectionC.THANKYOU