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    精英家教网 > 高中英语 > 题目详情
    In zones where earthquakes are known to occur, ______ construction techniques can significantly reduce the effects of seismic wave.
    A．to improveB．improvingC．improvedD．being improving
    C
    考查非谓语动词。此处improved 作construction techniques的定语，建造技巧和提高之间是被动关系。
    句意为在一些地震频发的地区，改良的建造技巧可以显著地嫌少地震的影响、
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