Unit2Topic1SectionD课件仁爱版（2012）英语九年级上册

Unit2

SavingtheEarth

Topic1Pollutionhascausedtoomanyproblems.

SectionDLearningaims1.Newwords:coal,create,blood,planet...2.Knowmoreaboutthepollution;3.SimplePast＆PresentPerfectsoilpollutionwaterpollutionnoisepollutionairpollutionlitterlightpollutionReviewthepollution:Whatkindofpollutioncanyouseeinthepicture?airpollutionwaterpollutionsoilpollutionlitter

Therearemanykindsofpollutionaroundus,includingairpollution,soilpollution,noisepollutionandlightpollution.Theyarebadforourhealthinmanyways.

Burninggas,oilandcoalcreatesairpollution.Itcancausesoreeyesandbreathingproblems.

WiththeincreaseinpollutionandthedevelopmTherearemanykindsofpollutionaroundus,includingairpollution,soilpollution,noisepollutionandlightpollution.Theyarebadforourhealthinmanyways.

Noisepollutioncanmakepeopledeaf.Forexample,peoplemaylosetheirhearingiftheyworkinanoisyplaceforalongtime.Toomuchnoisecancausehighbloodpressureaswell.

Working

instronglightforalongtimemaycausesomekindsofillnesses.Itmakespeoplefeelterribleandisespeciallybadfortheeyes.

Withlesspollution,ourplanetwillbecomegreenerandourhealthwillbebetter.Let’sbegreenerpeople.entofindustry,litteriseverywhere.Itmakesourenvironmentdirty.Peopleputlotsoflitterintotheland.Inthefields,farmersusetoomanychemicalswhichdestroythesoil.Soilpollutioncausesunhealthyfood.

Noisepollutioncanmakepeopledeaf.Forexample,peoplemaylosetheirhearingiftheyworkinanoisyplaceforalongtime.Toomuchnoisecancausehighbloodpressureaswell.

Working

instronglightforalongtimemaycausesomekindsofillnesses.Itmakespeoplefeelterribleandisespeciallybadfortheeyes.

Withlesspollution,ourplanetwillbecomegreenerandourhealthwillbebetter.Let’sbegreenerpeople.Readapassageaboutpollution:Howmanysortsofpollutionarethere?Recently,peopleandthegovernmenthaveworkedtogethertomaketheenvironmentbetter.Theyhaveusednewtechnologiesandhavetakenstepstodealwithpollution.Thishasmadetheenvironmenthealthier.AlltheseshowthattheworldisbecominggreenerandmoreenvironmentallyfriendlyHowever,inthepast,Therewasalotofpollution,

includingairpollution,soilpollution,noisepollutionandlightpollution.

Burninggas,oilandcoalcreatedairpollution.Itcausedsoreeyesandbreathingproblems.Withtheincreaseinpopulationandthedevelopmentofindustry,Peoplehadtoputlotsoflitterintotheland.Inthefields,farmersusetoomanychemicalswhichdestroyedthesoil.Soilpollutionledto

unhealthyfood.

Noisepollutionharmedpeople’shearing.peoplewouldbecomedeafiftheyworkinanoisyplaceforalongtime.Toomuchnoisecancausehighbloodpressureaswell.

Lightpollutionwascausedbystronglight.Itcouldmakepeoplefeelterribleandwasespeciallybadfortheeyes.

Withlesspollution,ourplanetwillbecomegreenerandourhealthwillbebetter.Let’sbegreenerpeople.4PollutionCauseEffectairpollutionburning_____,_____and__________eyesand________problemssoilpollutionusetoomany__________whichdestroythesoil._________foodnoisepollution_______inanoisyplaceforalongtimemakepeople_____andcause____________pressurelightpollution_______lightbadfor________gasoilcoalsorebreathingchemicalsunhealthyworkdeafhighbloodstrongeyes1a.Readandfillinthetable:Languagepoints

Recently,peopleandthegovernmenthaveworkedtogethertomaketheenvironmentbetter.Theyhaveusednewtechnologiesandhavetakenstepstodealwithpollution.Thishasmadetheenvironmenthealthier.Alltheseshowthattheworldisbecominggreenerandmoreenvironmentallyfriendly.最近，用于完成时科技采取措施healthy的比较级更环保

However,inthepast,Therewasalotofpollution,

including

airpollution,soilpollution,noisepollutionandlightpollution.

Burninggas,oilandcoalcreatedairpollution.Itcaused

soreeyesandbreathingproblems.

包括创造，产生眼睛疼和呼吸问题

Withtheincreaseinpopulationandthedevelopmentofindustry,Peoplehadtoputlotsoflitterintotheland.Inthefields,farmersusetoomanychemicalswhichdestroyedthesoil.Soilpollutionledto

unhealthyfood.随着人口的增长和工业的发展在田地里太多化肥不健康的食物

Noisepollutionharmedpeople’shearing.peoplewouldbecomedeafiftheyworkinanoisyplaceforalongtime.Toomuchnoisecancausehighbloodpressure

aswell.高血压也，=tooLightpollutionwascausedbystronglight.Itcouldmakepeoplefeelterribleandwas

especiallybadfortheeyes.

Withlesspollution,ourplanetwillbecomegreenerandourhealthwillbebetter.Let’sbegreenerpeople.随着人口变少更环保尤其是Recently,peopleandthegovernmenthaveusednew_______________andhavetakenstepstodealwithpollution.Thishasmadetheenvironmenthealthier.However,inthepast,Therewasalotofpollution,

______________airpollution,soilpollution,noisepollutionandlightpollution.

________gas,oilandcoalcreatedairpollution.Itcausedsoreeyesand_____________problems.

Withtheincreaseinpopulationandthedevelopmentof___________,Peoplehadtoputlotsoflitterintotheland.Inthefields,farmersusetoomany___________whichdestroyedthesoil.Soilpollutionledto

_________food.

Noisepollutionharmedpeople’s_______.peoplewouldbecomedeafiftheyworkinanoisyplaceforalongtime.Toomuchnoisecancause______________________aswell.

Lightpollutionwascausedby_______________.Itcouldmakepeoplefeelterribleandwasespeciallybadfortheeyes.

Withlesspollution,ourplanetwillbecomegreenerandourhealthwillbebetter.Let’sbegreenerpeople.technologiesincludingBurningbreathingindustrychemicalsunhealthyhearinghighbloodpressure

stronglightCompletethepassageaccordingto1a.1b.Readandunderstandthefirstsentence.Thencompletethesecondone:1.Theyarebadforourhealthinmanyways.They__________________________toourhealthindifferentways.2.Peoplemaylosetheirhearingiftheyworkinanoisyplaceforalongtime.Ifpeopleworkinnoisyconditionsforalongtimetheymayhave___________.3.Noisepollutioncanmakepeopledeaf.Peoplemay______deaf_____________noisepollution.hearinglossdoharmgobecauseof/areharmfulGrammarSimplePast＆PresentPerfect(一般过去式和现在完成时)I_____(go)theretwoyearsago.Howhaveyou______(be)?It____(be)difficultformetobreathe.Luckily,thegovernmenthas______(solve)theproblem.What_______(cause)yourcough?beenwascausedsolvedwent时态构成例如时间标志一般过去时be动词过去式was/wereyesterdaythreeyearsagolastmonth2005......动词过去式

did，went情态动词过去式could，would现在完成时have/has+动词过去分词havegonetoyet,already,just,recently,ever,never,sofarfor+时间段since+时间点,......Exercises：1.John___________(notlive)inBeijing

threeyearsago.2._____you______(see)himlastmonth?3.Healways_____(go)toworkbybuslastterm.4.Whensh