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More evidence is in that so-called e-cigarettes do let smokers stop smoking. Such cigarettes【C1】______to the user an oral nicoti
More evidence is in that so-called e-cigarettes do let smokers stop smoking. Such cigarettes【C1】______to the user an oral nicoti
admin
2016-03-21
94
问题
More evidence is in that so-called e-cigarettes do let smokers stop smoking. Such cigarettes【C1】______to the user an oral nicotine without the carcinogens and other noxious chemicals found in tobacco smoke, by【C2】______a solution containing the drug. A study just【C3】______by Jamie Brown of University College, London, and his colleagues suggests they are 60% more successful at getting people to【C4】______tobacco by themselves than either willpower【C5】______or previously available quitting aids【C6】______nicotine patches.
Dr. Brown and his team looked at data collected by the Smoking Toolkit Study, a programme run by them, and【C7】______by Cancer Research UK, a charity, and Britain’s health ministry. This programme【C8】______smokers’ behaviour in England, month by month, and has been asking about e-cigarettes since July 2009. The questions posed to【C9】______include whether they have tried to give up smoking, have succeeded, and what【C10】______they have taken.
【C11】______those who had done it alone, rather than opting for a doctor’s assistance to help them quit, the researchers found that people who had【C12】______e-cigarettes for the purpose in the previous 12 months were more than twice as【C13】______as those who had used other devices, such as nicotine patches. A big win, apparently, for e-cigarettes—【C14】______, interestingly, they were only 40% more successful than【C15】______willpower by itself.
As that second number【C16】______, in a study like this the raw figures can mislead. So Dr. Brown studied other variables such as just how【C17】______to nicotine a respondent was. That done, e-cigarettes had an almost【C18】______advantage over the other two approaches—suggesting not only that e-cigarettes were the clear winner, but also casting【C19】______on the value of things like nicotine patches or willpower. Dr. Brown’s " real world" survey thus【C20】______formal clinical trials of e-cigarettes , which also show their virtues as quitting aids.
【C14】
选项
A、though
B、hence
C、then
D、instead
答案
A
解析
上文提到“电子香烟戒烟成功率是其他方法的2倍多”;该句提到“它比意志力戒烟效果仅高出40%”。由此可见上文强调电子香烟效果显著,下文却说效果不太显著,显然上下文是转折逻辑,四个选项的意思分别为:[A]though“但是”;[B]hence“因此”;[C]then“然后”;[D]instead“反而”。能表示转折且语义正确的是[A]though“但是”,故[A]为答案。
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0
考研英语一
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