SmokingandCancer-吸烟和癌症
1.吸烟对健康有害。
2.吸烟易患癌症。
3.世界各国政府应采取严厉措施限制吸烟。
Smokingisharmfultothehealthofpeople.Itnotoillypollutesair,bringsaboutsufferingsofotherpeoplesuchaschildrenandnonsmokers,butalsocausesdiseasesof
bronchitis,lungcancer,chestcancerandthroatcatcer.
Smokingisassociatedwithcancers.Smokeisamixtureofgases,vaporizedchemicals,minluteparticlesofash,andothersolids.Therearealsotarandnicotine,whichare
powerfulpoisons.Asthesmokeisbreathedin,allthesecomponentsfromdepositsthe
membranesofthelungs.OnepointOfconcentrationwhereairtube,orbronchusdivides.MostlungCancerbeginsatthispoint.
WorldgovernmentsshouldconductSerioucampaignsagainstsmoking.First,legislativestepmustbeintroduced.Second,restrictionsoncigaretteadvertisementsmustbeimposed.Third,publicsmokingincertainplacessuchastheatres,cinemas,waitingromsatairportsandrailwaystationsshouldbebanned.Inthisway,wemaymakethesmokersfeelincreasinglyuncomfortableabouttheirbadhabits.finally,cigarettepriceshouldbebooste
吸烟对人们有健康有害。吸烟不但污染空气,给他人带来痛苦,譬如给孩子及不吸烟者带来痛苦,而且还引起支气管炎、肺癌、胸癌和喉癌。
吸烟与癌有关。烟是一种混合物,其中有气体蒸发的化学物质、微细的烟尘颗粒和一些固态物质。烟里有焦油和尼古丁,这两种东西毒性很大。烟吸人肺里,所有这些成分沉积在肺部的粘膜上。集中的一点就在支气管分叉处。大多数癌症就是由此处开始的。
世界各国政府应发起一场禁烟运动。首先,应采取立法措施。第二,严格限制刊登香烟广告。第三,禁止在某些公众场所吸烟,譬如,不许在剧场、影院、候机厅和候车吸烟。这样,我们就会使那些吸烟者对他们的坏习惯逐渐感到不舒服。最后一点是,应提高香烟价格。
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