2. 考研
  3. Next time you feel the flu coming on, think twice before reaching for painkillers—they could do more【C1】______than good. With th

Next time you feel the flu coming on, think twice before reaching for painkillers—they could do more【C1】______than good. With th

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问题     Next time you feel the flu coming on, think twice before reaching for painkillers—they could do more【C1】______than good. With the flu season【C2】______way across Europe and North America, millions will be taking flu【C3】______, which commonly include painkillers. The general【C4】______advice in the UK and the US is to take painkillers. But although painkillers can make you feel better they also lower fever, which can make the virus【C5】______.
    The first analysis of the effect of this on the【C6】______shows that painkillers taken at current levels to【C7】______fevers could cause 2, 000 flu deaths each year in the US alone. Fever is thought to be a【C8】______against viruses, because many viruses find it hard to【C9】______above our normal 37 °C. Some studies have shown that lowering fever may【C10】______virus-related infections and increase the amount of virus we can【C11】______on to others.
    To find out what【C12】______this might have on a flu epidemic, David Earn and his colleagues【C13】______to a 1982 study which showed that ferrets, a【C14】______animal model for human flu produced more【C15】______flu virus if their fevers were lowered with painkillers. Earn’s team used these findings to estimate how much more virus people with【C16】______flu might produce if their fevers were【C17】______.
    With the help of a mathematical model, Earn’s team【C18】______their estimates to the number of people a year in the US who get flu,【C19】______fever and take the drugs. They found that painkillers as used in the US could be increasing the【C20】______of ordinary winter flu by up to 5 per cent.
【C8】
选项 A、device
B、weapon
C、channel
D、appliance
答案B
解析 空格填入的名词，由against viruses来限定，结合下一句的“退热会导致病毒数量增加”，可推断发烧是对抗或杀死病毒的机能反应，四个选项中，B项weapon“武器”代入空格，把发烧这种身体机能反应比喻成对抗病毒的武器，符合语境。
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