________ these experiments were successfully completed would we think of going

题干

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

A．If only

B．Only if

C．So that

D．Even if

上一题下一题 0.64难度单项选择更新时间:2014-02-24 04:02:40

小学学科试题库

初中学科试题库

高中学科试题库