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    20．72．D．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 are actually hundreds of kinds of cold viruses out there．You never know which one you will get，so there isn't a cure for each one．
     73．A．Blood rushes to your nose and cause a block in it．You feel terrible because you can't breathe well，but your body is actually eating the virus．Your temperature goes up and you get a fever，but the heat of your body is killing the virus．You also have a runny nose to stop the virus from getting into your cells．You may feel very uncomfortable，but actually your wonderful body is doing everything it can to kill the cold．
    74．E．In the United States and some other countries，for example，people might eat chicken soup to make themselves feel better．Some people take hot baths and drink warm liquids．Other people take medicine to stop various symptoms （症状） of colds．
    75．C．The virus stays in you longer because your body doesn't have a way to fight it and kill it．Bodies can do an amazing job on their own．There is a joke，however，on taking medicine when you have a cold．It goes like this：
    It takes about one week to get over a cold if you don't take medicine，but it takes only seven days to get over a cold if you take medicine．

    A．When a virus attacks your body，your body works hard to get rid of it．
    B．American people never take colds seriously
    C．There is one interesting thing to note-some scientists say taking medicines when you have a cold is actually bad for you．
    D．It is easy for many people to catch a cold in the springtime or fall．
    E．Different people do different things to deal with colds．
    F．You can't get over a cold unless you take some medicine．

    分析 文章介绍人们经常感冒，感冒后，身体会出现应急机制，试图杀死病毒，有很多方法可以治疗感冒，但有人认为吃不吃药效果差不多．

    解答 72-75 DAEC
    72  D  考查段落大意题：根据这段中的句子：why can't they find a cure for the common cold？可知：很多人很容易在春秋天感冒，和D项表达一致．
    73  A  考查段落大意题：根据这段中的句子：You may feel very uncomfortable，but actually your wonderful body is doing everything it can to kill the cold．可知：你的身体在尽一切努力杀死病毒，和A项表达一致．
    74  E  考查段落大意题：根据这段中的句子：Some people take hot baths and drink warm liquids．Other people take medicine to stop various symptoms （症状） of colds．[来源：学&科&可知：不同的人有不同的处理感冒的方法，和E项表达一致．
    75  C  考查段落大意题：根据这段中的句子：The virus stays in you longer because your body doesn't have a way to fight it and kill it．可知：如果吃药病毒会在体内停留更多时间，因为你的身体没有办法对付它，和C项表达一致．

    点评 做七选五题目时要注意以下规则：1．放进去通顺，这一点是基础．凡不通顺的必错无疑；2、选项中有单词、词组、句子成分或与所选答案所在段内容重合；
    3、选项与其上句或下句之间有必然的逻辑关系；4、选项全部内容都属于正确答案所在段．有时备选答案中可能含有甲乙两项内容，这时，只有当甲和乙都归属于本段时，答案才是正确的．

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