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    【题目】AI will surely be a feature of future life, but it _____ be used responsibly and in a proper way.

    A.canB.needC.mustD.will

    【答案】C

    【解析】

    考查情态动词。句意：人工智能肯定会成为未来生活的一个特征，但必须以负责任的方式和适当的方式使用它。A. can能够；B. need需要；C. must必须；D. will将会。此处为情态动词的一般用法，结合句意表示“必须”，故选C。

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