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关于写癌症的英语作文

发表时间:2024-07-11 03:34:42 来源:网友投稿

ControllingCancer

Ther

e

aretwomaincausesofcancer:heredityandenvironment.Wecandonothingtochangeourheredity,

thatis,thebasicphysicalcharacteristi

csth

atwerepasse

dontousbyourparents.However,wecandoagreatdealtocontrolourenvironment,whichmayaccountfor80-90%ofallcancers.

Environmentalpollution

canbedividedintotwokinds:personalandimpersonal.Personalpollutionmay

bedefinedroughlyasunhealthyhabitssuchas

smoking,

drinking,andeatingthewrongfoods.Clearly,with

enoughwillpowerwecancontrolthispersonalenvironment.

Impersonalpollution,ontheotherhand,refersto

thosethingswhicharebeyondourindividualcontrol.

Oneexa

mplewould

beindustrialpollution,whichisveryhardtocontrolbecauseoftheexpenseinvolved.It

wouldbeexpensiveintermsofprofits

andperhapsjobs.TheAmericanautomobileindustry,forexample,

r

esistedthelawrequiringsmog-controldevicesbecauseitfearedtheaddedexpensewouldreduceprofits.

Ne

verth

e

less,somelawsprotectingtheenvironmenthavebeenqu

itesuccessfulinreducingpollution.

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