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    精英家教网 > 高中英语 > 题目详情

    The old castle is well _____ visiting.

    A．worthyB．worthC．valuableD．reliable

    B

    解析试题分析：be worth doing值得（被）做……，句意：老城堡很值得参观。
    考点：形容词。
    点评：本题需要把握worth和worthy两个词的用法。表示值得做……,worth用法为：be worth doing；而worthy用法为：be worthy to be done或be worthy of being doing。valuable“有价值的”和reliable“可靠的”与题意不符合。

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    Contrary to the old advice that runners should drink as much as they can to prevent dehydration , the new
    research has shown that the body is a remarkable machine that actually tells you via thirst when you need
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    B．They can learn how much salt there is in the blood .
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    B．Either too much or to little of water intake is harmful .
    C．A rich meal is helpful to our performance in a run .
    D．We should take enough salt during a run .
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           B．Either too much or to little of water intake is harmful.

           C．A rich meal is helpful to our performance in a run.

           D．We should take enough salt during a run.

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           B．Too much water intake→blood salt levels ↓→hyponatremia.

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