初三中考真题演练（二）a

《初三中考真题演练（二）a》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、初三中考真题演练（二）A选择题(A)　　Thirtyyearsago,LakePonkapoginHartwell,NewJersey,wasfulloflife.Manybirdsandanimalslivedbesidethewater,whichwasfulloffish.Nowtherearefewbirds,animals,andfish.Thelakewaterispolluted（污染的）.Itisinacolourofdirtybrown,anditisfilledwithstrangeplants.　　Howdidthishappen?First,wemustthinka

2、bouthowwatergetsintoLakePonkapog.Whenitrains,watercomesintothelakefromallaround.Inthepast,therewereforestsallaroundLakePonkapog,sotherainwaterwasclean.　　Nowtherearemanyhomesaroundthelake.Peopleoftenusechemicals（化学品）intheirgardens.Theyuseotherchemicalsinsidetheirhousesforcleaningorkillinginsects（昆虫

3、）.Therearealsomanybusinesses.Businessesusechemicalsintheirmachinesorshops.Otherchemicalsfallontothegroundfromcarsortrucks.Whenitrains,therainwaterpicksupallthechemicalsfromhomesandbusinessesandthencarriesthemintothelake.Theypollutethewaterandkilltheanimals.　　Boatsonthelakearealsoaproblem.LakePonka

4、pogisapopularplaceformotorboats.Butoilandgas（油和汽）fromboatsoftengetintothelake.SomorebadChemicalsgointothewaterthisway.　　PeopleinHartwellareworried.Theylovetheirlakeandwanttosaveit.Willitbepossible?Acleanlakemusthavecleanrainwatergoingintoit.Cleanrainwaterispossibleonlyifpeoplearemorecarefulaboutch

5、emicalsathomeandatwork.Theymustalsobemorecarefulaboutgasandoilandotherchemicalsontheground.Andtheymustn'tusemotorboatsanymoreonthelake.Allthesemaychangepeople'slives.OnlythencanLakePonkapogbeabeautiful,cleanlakeagain.　　(1)Inthepast,thewaterinLakePonkapogwasmadecleanby__________.()　　　　(A)forests(B)

6、rain(C)birds(D)fish　　(2)Chemicalsfromhomesandbusinesses__________.(  )　　　　(A)arealwaysclean(B)canhelptheanimals　　　　(C)aregoodforthelake(D)getintotherainwater　　(3)Cleanerrainwaterwillmean(  )　　　　(A)moreboatsonthelake(B)moredirtythingsinthelake　　　　(C)acleanerlake(D)adirtierlake　　(4)TosaveLakePonkapo

7、g,peopleneedto(  )　　　　(A)bemorecarefulaboutchemicals(B)uselesswater　　　　(C)growfewerplantsinthegardens(D)usemoremotorboatsonthelake　　(5)Thepassageisabout(  )　　　　(A)boatsonLakePonkapog　　　　(B)whythewaterisdirtyinLak