Americans this year will swallow 15 000 tons of aspirin(阿斯匹林), one of the safest and【C1】______drags【C2】______by man, the most po

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问题     Americans this year will swallow 15 000 tons of aspirin(阿斯匹林), one of the safest and【C1】______drags【C2】______by man, 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 aspirin 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.
【C13】

选项 A、show up
B、slip up
C、slow down
D、slip down

答案C

解析 根据题意阿司匹林用减缓酸性物质的生成。用slow down表减缓。选C。
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