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    16．Don't you just love ice skating every winter？I am sure that since winter is approaching，your skates are set to come out，just waiting to be used．Impress your friends with your new trick on how to ice-skate backwards with the help of these tips．
    Stand straight
    The first thing that you need to do is，stand straight．（36）G，if you feel that you are falling backwards．Don't worry； this happens to all．
    Confidence is what you need
    The most important step while learning how to skate backwards，is having enough confidence in yourself and in what you are doing．How can you achieve this？By practice．One of the important ice skating tips and techniques is that if you feel that you are losing your balance，then scissor（做剪式运动）your skates．（37）C．
    Maintain speed
    Try sculling（滑）with one skate while rolling in a straight line with the other．（38）A．Now bring the skate which you are using to scull，and then again，repeat the same process．Make sure that you put most of your weight on the skate which is moving straight and not the one with which you are sculling．
    Now，try the same thing using the other foot．
    （39）D．
    Once you are confident that you can scull with either foot，the next thing that you have to do is increase your speed．Try some of your own tricks now．Scull with either foot or with both at the same time．
    Scull and be aware
    While you keep one foot straight，keep sculling with the other．You can do that with both feet at the same time．（40）F，but don't get so involved that you don't see where you are going．If you are not watching your back，you might just bang against something or someone．

    A．That is，keep pushing yourself backwards with an outwards stroke（滑动）
    B．While going backwards，just get used to the feeling of moving backwards
    C．Keep practicing this till you are confident about it
    D．Increase your speed now
    E．One must be brave enough to learn to ice-skate backwards
    F．Concentrate on what you are doing
    G．Just put your chin up and slightly bend your knees．

    分析 本文提及了冬天即将来临，提供了滑雪的几种技巧．

    解答 36-40 G C A D F
    36．G 第一个建议是站直了，Just put your chin up and slightly bend your knees符合此段的大意．
    37．C 第二段提到的建议是要有信心．cofidence是关键词．
     38．A 根据第一句话"Try sculling（滑）with one skate while rolling in a straight line with the other"可知答案为A．
     39．D 在这段里"the next thing that you have to do is increase your speed"这句话暗示标题为提高速度．
    40．F 由前句提到两只脚都可以划，但是要集中注意可知，下句是关于注意力集中的．

    点评 做这种七选五阅读时，首先需要快速的浏览全文，把握文章的主旨大意；其次要学会带着问题到文中相应的地方，通过细节阅读来寻找或概括答案；最后理清作者的写作思路也非常重要．

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    Lcmdoii
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    31．The following examples exceptD reflect man altering the balance of nature．
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    C．man is killing some species on a large scale
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    C．In parts of central Africa，the land reduced to a semi desert．
    D．Disease-sleeping has been caused．
    33．What have spread diseases？C
    A．Disease-sleeping sickness．      B．Measles．
    C．Improved communications．        D．Malaria．
    34．We make a nature sanctuary for rare birds butA．
    A．some common and hardy kind of bird multiplies
    B．rare kinds multiply
    C．all bird multiply
    D．no bird multiply
    35．The main idea of the passage isD．
    A．that man is deliberately destroying the balance of nature
    B．that man has foreseen the consequences of altering the balance old nature
    C．that improved communications have changed history
    D．that man is altering the balance of nature．

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    科目：高中英语 来源： 题型：选择题

    6．Our math teacher is always ready to help us and asking for nothing _________．（　　）
    A．in turnB．in returnC．in caseD．in addition

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