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    精英家教网 > 高中英语 > 题目详情
    Rainforests _______ and burned at such a speed that they will disappear from the earth in the      near future.
    A．cutB．are cutC．have been cutD．are being cut
    D

    试题分析：句意：雨林正在以如此惊人的速度被砍伐和烧毁，以至于在不久的将来，它将从世界上消失。根据句意，雨林正在被砍伐，所以用现在进行时态的被动形式。故选D
    点评：动词的时态是学习英语过程中非常重要的知识。而很多的题目，需要通过上下文的判断得知。现在进行时表示动词正在进行，构成形式为be +doing，被动形式为be being done,本题不难，平时加强记忆，理解即可。
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