A. taking medicines B. cold viruses C. the heat of your body D. various symptoms A. take medicines to relieve【T13】________of col

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问题 A. taking medicines
B. cold viruses
C. the heat of your body
D. various symptoms
A. take medicines to relieve【T13】________of colds
B. 【T14】________when you have a cold
C.  hundreds of kinds of【T15】________out there
D. 【T16】________is killing the virus
    Many people catch a cold in the spring time or fall. It makes us wonder if scientists can send a man to the moon why can’ t they find a cure for the common cold. The answer is easy. There’ re actually【T17】________You never know which one you will get, so there isn’ t a cure for each one. When a virus attacks your body, your body works hard to get rid of it. Blood rushes to your nose and causes a blockade in it. You feel terrible because you can’ t breathe well, but your body is actually eating the virus. Your temperature rises and you get a fever,   but【T18】________You also have a running nose to stop the virus from getting into your cells. You may feel miserable, but actually your wonderful body is doing everything it can to kill the cold. Different people have different remedies for colds. In the United States and some other countries, for example, people might eat chicken soup to feel better. Some people take hot bath and drink warm liquids. Other people【T19】_________. There is one interesting thing to note. Some scientists say【T20】________is actually bad for you. The virus stays in you longer, because your body doesn’ t develop a way to fight it and kill it.
【T17】

选项 A、 
B、 
C、 
D、 

答案C

解析 题句是there be结构,这一结构中的主语在后面,谓语动词are已经给出,所以要填入的语段应该是复数形式的名词短语。所以只有C选项符合句子语法要求,故选C。而且从上下文语境上看语义也是通顺的:为什么科学家能够使人类登上月球却很难找到治疗普通感冒的办法呢?原因很简单,感冒病毒有数百种之多,无法知道是哪种病毒致使你感冒,所以不是每种感冒都有对应的治疗办法。
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