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    20．It's summer now and the weather is getting hotter．You are thirsty playing basketball or riding home from school．A cold drink may be just the thing．There are plenty of"energy drinks"on the market．Most of them have beautiful colors and cool names．The lists on them tell you they are helpful to your health．Sounds great!But be careful what you are drinking．Something that looks cool may not be good for your health．
    After a careful check you may find that most energy drinks have lots of caffeine （咖啡因） in them．These drinks are especially aimed at （以…为目标） young people，students，busy people and sports players．Makers sometimes say their drinks make you better at sports and can keep you awake．But be careful not to drink too much．
    Caffeine makes your heart beat fast．Because of this，the International Olympic Committee has limited （限制） its use．Caffeine in most energy drinks is at least as strong as that in a cup of coffee or tea．Possible health dangers have something to do with energy drinks．Just one box of energy drink can make you nervous，have difficulty sleeping and can even cause heart problems．Scientists say that teenagers should be discouraged from taking drinks with a lot of caffeine in them．

    根据短文内容，选择最佳的答案．
    71．The weather is gettingA
    A．hotter       B．cooler      C．colder
    72．Most of energy drinks have beautiful colors and coolC
    A．maps       B．cards       C．names
    73．Caffeine makes yourC beat fast．
    A．ear         B．face        C．heart
    74．Many people like drinking energy drinks for the following reasons except thatA
    A．they have lots of caffeine
    B．they can keep them awake and better at sports
    C．they are said to be helpful to health
    75．Which of the following can be the best title （标题） of the passage？C
    A．What's the Use of Energy Drinks？
    B．What's That in Energy Drinks？
    C．Why Can't We Take Energy Drinks？

    分析 短文讲了能量饮料有美丽的颜色和很酷的名字，能让人们更好的运动和保持清醒，很受人们的欢迎，但是喝大量的功能饮料对人们的健康是有害的，建议人们应该控制喝功能饮料．

    解答 答案：71．A  细节理解题．根据第一段第一行句子It's summer now and the weather is getting hotter．现在是夏天，天气越来越热，可知天气越来越热．故选A．
    72．C  细节理解题．根据第一段第二行句子Most of them have beautiful colors and cool names．它们大部分都有美丽的颜色和很酷的名字．可知它们大部分都有美丽的颜色和很酷的名字．故选C．
    73．C   细节理解题．根据第三段第一行句子Caffeine makes your heart beat fast．咖啡因会使你的心跳加快．可知咖啡因会使你的心跳加快．故选C．
    74．A   细节判断题．根据第一段第二行句子The lists on them tell you they are helpful to your health．列表中告诉你它们对你的健康有帮助．和第二段第二行句子 their drinks make you better at sports and can keep you awake．他们的饮料让你更好的运动会让你保持清醒．可知它们中有大量的咖啡因是不是喜欢的原因．故选A．
    75．C  主旨归纳题．根据整篇文章内容及其最后一段最后一句Scientists say that teenagers should be discouraged from taking drinks with a lot of caffeine in them．科学家们说，青少年应该避免摄入含有大量咖啡因的饮料．可知文章主要是说为什么我们不能喝能量饮料？故选C．

    点评 在通读全文的基础上，根据全文大意，展开逻辑思维，瞻前顾后，认真观察选项，仔细推敲，确定最佳答案．

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