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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 only B．So that C．Only if D．Even if
    C

    试题分析：A.要是…多好 B.如此…以致于 C.只有在…时候 D.即使。句意：只有在这些实验都被成功的完成的时候，我们才会去考虑研究人类。故选C
    点评：本题首先同意理解在先，句意理解后，答案就知道了，其次值得注意的是本题中only置于句首时，句子部分倒装。
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