初一英语考试作文题
theupsanddownsofpopulationgrowth
Asisseenfromthetwographs,itisclearthatwiththerapidgrowthofU.S.populationfrom1800to1990,thenumberofitswildlifespeciesnolongerexistingsoaredduringthesameperiod.Naturally,wecandrawtheconclusionthatthesharpdeclineofwildlifespeciesresultedfromthepopulationgrowth.
Tworeasonsmayaccountforthisphenomenon.Tobeginwith,asthepopulationgrows,peopleconsumemuchmorenaturalresources,whichoftenleadstoexcessivehunting.Second,withtheincreaseofhumanactivities,modernpeopletakeupmoreandmorespace.Whichhasagreatimpactonotherspecies.Finally,theproblemofpollutionbecomesmoreandmoreseriouswiththedevelopmentofmodernindustry.Moreandmoreanimalshavetoadaptthemselvestothedecayingenvironmentormovetoatotallydifferentplace,butnotallofthemarefortunateenoughtosurvivethechanges.
Solvingthisproblemcallsfor,aboveall,thegovernment’seffortstocontrolpopulationgrowth,todecreaseindustrialpollutionandtoenhancethelawstoforbidwildlifehunting.Moreover,commoncitizensshouldbeawareofthisecologicalcrisisandtakeontheresponsibilityofwildlifeprotection.Inaword,onlywhenthegovernmentandthecommonpeoplemakejointeffortscanwehopetofindasatisfactorysolutiontothisproblem.
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