"电子香烟"在美引发争议Shouldelectroniccigarettesbeanewoptionforsmokerstryingtokickthehabit?ReactionsfromAmericansaremixed.MorethanhalfofpeoplequestionedinapollthinkelectroniccigarettesshouldberegulatedbytheUSFoodandDrugAdministration,but47percentbelievethedevicesshouldbeavailabletosmokerswhowanttoquit."Inthehuntforasafercigarette,electroniccigarettes,oftenreferredtoasecigarettes,arebecomingapopularoptionamongthoseeithertryingtoquitorwhoarelookingtoreplacestandardtobaccosmokewithanalternativethatmanufacturersclaimtobesafer,"ZogbyInternational,whichconductedthepoll,saidinastatement.Abouthalfofthe4,611adultswhotookpartinthepollhadheardaboutecigarettes,whicharebattery-powered,orrechargeabledevicesthatvaporizealiquidnicotinesolution.Theydonotproducesmokebutanodorlesswatervapor.LastyeartheWorldHealthOrganization(WHO)warnedagainstusingelectroniccigarettes,sayingtherewasnoevidencetoprovetheyweresafeorhelpedsmokersbreakthehabit.TheWHOsaidpeoplewhopuffonecigarettesinhaleafinemistofnicotineinthelungs.Nearlyathirdofpeoplequestionedinthepollthinkthate-cigarettes,becausetheydon'tproducesmoke,shouldbeallowedinplaceswheresmokingisforbidden,but46percentdisagreed.Menwhowereawareoftheavailabilityofecigarettesweremorelikelythanwomentosaytheyshouldbeanoptionavailabletosmokerswhowanttoquit.Youngpeople,aged18-29,andsingleswerethegroupsmostopentotryingelectroniccigarettes.Tobaccoisthesinglelargestcauseofpreventabledeathworldwide,accordingtotheWHO.对戒烟者来说，电子香烟应该是一种新的选择吗？美国民众对这一问题看法各异。在一项最新调查中，半数以上受访者认为美国食品药品监督管理局应管制电子香烟，但仍有47%的受访者认为应该可以向戒烟者出售电子香烟。开展此项调查的佐格比国际调查公司在一份声明中称：“在寻找更安全香烟的过程中，电子香烟这一选择日益受到戒烟者和想替换普通烟雾的人们的欢迎，而生产商则声称这种产品更加安全。”共有4611名成年人参与了此项调查，其中大约半数受访者听说过以电池为能量或可充电的电子香烟。烟民在使用时需点燃电子香烟内的液态尼古丁，这不会冒出烟雾，而只会挥发出无嗅的水汽。世界卫生组织（WHO）曾在去年提醒人们不要吸电子香烟，称没有证据证明其安全性，以及帮助戒烟的功用。世卫组织称，烟民在吸电子香烟时会将纯雾体尼古丁吸入肺部。近三分之一的受访者认为，由于电子香烟不产生烟雾，因此应该允许在禁烟区吸但46%的受访者表示反对。知晓电子香烟的男性比女性更倾向于认为可以向戒烟者出售电子香烟。年龄在18岁至29岁的年轻人、以及单身男女对尝试电子香烟的态度最开放。世卫组织称，吸烟是全球最大的一项单独的可预防性死因。Vocabulary:solution：ahomogeneous,molecularmixtureoftwoormoresubstances（溶液）odorless：havingnoodor（无嗅的）puff：totakepuffsatacigar,cigarette（吸烟）inhale:tobreathein;drawinbybreathing（吸入）
