{01}_____ these experiments were successfully completed would we think of going into humans.
A.If only
B.So that
C.Only if
D.Even if
解析: 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。 本题选C。 {02}We didn’t know you were in trouble at that time, _______ we would have given you a hand.
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