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    【题目】Hawking wondered _______.

    A.that AI would replace human beings and take over the world.

    B.whether Al will replace human beings and take over the world.

    C.if Al would replace human beings and take over the world or not

    D.whether Al would replace human beings and take over the world.

    【答案】D

    【解析】

    句意：霍金想知道AI是否会取代人类，接管世界。

    根据句意理解及句子结构可知，这里考查宾语从句，首先根据动词wonder想知道可知，应该是一个问题，应该用if或whether引导，而英语中宾语从句要注意语序，一定要用陈述句语序，即主谓结构，而主句的谓语是过去时，所以从句必须用过去的某种时态，综合之后，本题选择D。

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