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    精英家教网 > 高中英语 > 题目详情

    ________ these experiments were successfully completed would we think of going into humans.

    A．If onlyB．Only ifC．So that D．Even if

    B

    解析试题分析：句意：只有这些实验完全成功以后，我们才会考虑把它应用于人类。根据“would we think of going into humans.”可知这个句子使用了部分倒装，所以用only+状语从句位于句首，选B。
    考点：考查部分倒装

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