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    精英家教网 > 高中英语 > 题目详情
    20．If people eat natural poisons by mistake，they ________ go to hospital without delay．（　　）
    A．wouldB．canC．mayD．must

    分析 如果人们误吃了天然的毒素，他们必须立刻去医院．

    解答 答案是D．本题考查情态动词must的用法；情态动词must表示"必须；肯定；偏要"，本题中表示"必须去医院"，所以答案选择D．would表示"过去常常；会"；can表示"可能；能力；许可等"；may表示"可以；也许；祝愿等"，可见A、B和C均不符合题意．

    点评 要在正确理解情态动词的基本含义的基础上，整体理解语境中的情感态度，做出合理的判断．

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