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  3. Even in the absence of definitive science on the potential hazards surrounding the use of electronic cigarettes, regulations are

Even in the absence of definitive science on the potential hazards surrounding the use of electronic cigarettes, regulations are

admin2016-11-09  26
问题     Even in the absence of definitive science on the potential hazards surrounding the use of electronic cigarettes, regulations are needed now to head off health concerns. One such restriction should be a ban on indoor use of the devices. That’s according to a new report published by the World Health Organization (WTO) on August 26. Electronic cigarettes "represent an evolving frontier, filled with promise and threat for tobacco control." The popular devices deliver an aerosolized (雾化的) solution to users by heating a nicotine solution that users breathe in.
    In the past nine years the e-cigarette industry has exploded to include more than 400 brands in a roughly $3-billion industry. Yet flavorings that attract children, poor quality control between brands and apparent rapid experimentation among adolescent users have triggered growing fears that e-cigs are a new gateway drug. The U.S. CDC reported earlier this week that more than a quarter million youth who had never smoked traditional tobacco cigarettes used e-cigs last year— representing a roughly three-fold increase from 2011 to 2013.
    The WHO report recommends that countries regulate the e-cigarette industry by such means as blocking e-cig manufacturers from making health claims about the devices that suggest they are effective aids for quitting smoking, banning e-cig use in public places and restricting advertising for the products. Other recommendations in the report include subjecting the devices to the same inspection and monitoring typical for tobacco products, restricting sales to minors and possibly requiring health warnings on the packaging.
    Most of these gadgets "have not been tested by independent scientists, but the limited testing has revealed wide variations in the nature of the toxicity of contents and emissions." Factors including how long and deep users puff on e-cigarettes, the lack of uniformity in the e-cig flavoring solutions and the possibility that users could potentially overdose on the nicotine found in the liquid—or that the drug may contribute to other health risks—must all be considered, the agency says. The WHO recommends that smokers attempting to quit should first turn to tried-and-true methods such as the patch and nicotine gum before turning to e-cigarettes.
    The U.S. Food and Drug Administration in April proposed regulations for e-cigarettes that have not yet been finalized. Those regulations, if implemented, would block youths from buying e-cigarettes and require health warnings on the products. They would not, however, ban advertising or online sales, which critics contend allow minors easy access to the devices.
Which of the following can best serve as the title for this passage?
选项 A、E-cigarettes, More of a Blessing or a Curse.
B、WHO Calls for Electronic Cigarette Regulation.
C、Reasons for the Popularity of E-cigarettes.
D、How E-cigarettes Impair Human Health.
答案B
解析 文章从未提到电子香烟的优点，也没有说明其流行的原因，而是列举了电子香烟引发的种种担忧，所以文章根本不认为电子香烟利大于弊。虽然世卫组织担心电子香烟可能有损于健康，但并没有确凿的证据，也没有说明产生伤害的机理。文章的主题是由于担心电子香烟可能不利于健康，所以世卫组织建议各国对其认真监管。
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