2. 外语
  3. Americans this year will swallow 15000 tons of aspirin(阿斯匹林), one of the safest and【C1】______drugs【C2】______by map. The most pop

Americans this year will swallow 15000 tons of aspirin(阿斯匹林), one of the safest and【C1】______drugs【C2】______by map. The most pop

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问题     Americans this year will swallow 15000 tons of aspirin(阿斯匹林), one of the safest and【C1】______drugs【C2】______by map. The most popular medicine in the world today. It is a pain【C3】______. Its bad【C4】______are relatively mild,【C5】______it is cheap.
    For millions of people suffering from arthritis(关节炎), it is the only thing that works. Aspirin,【C6】______, is truly the 20th century wonder drug. It is also【C7】______suicide drug and is the leading【C8】______of poisoning among children. It has side effects that,【C9】______relatively mild, are largely unrecognized【C10】______users.
    A small【C11】______of aspirin(two five-grain tablets)relieves pain and inflammation(炎症). It also reduces fever by interfering【C12】______some of the body’ s reactions. Specially, aspirin seems to【C13】______the formation of the acids【C14】______in pain and the complex chemical reactions that【C15】______fever. The chemistry  of these acids is not fully understood, but the slowing effect of aspirin is well-known.
    Aspirin is very irritating to the stomach lining(内壁)and many aspiring takers complain【C16】______upset  stomach. There is a right way【C17】______a wrong way to take aspirin. The best way is to chew the tablets【C18】______swallowing them with water but【C19】______. people can【C20】______the bitter taste. Some people suggest crushing the tablets in milk or orange juice and drinking that.
【C14】
选项 A、involved
B、involving
C、involve
D、to involve
答案A
解析 此处用过去分词作定语，因为involve 一词与acids 是动宾关系，若是主谓关系，则用involving或to involve。
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大学英语四级

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