题目内容

Though he failed in the experiment again and again, he didn’t______, and at last, he made it.
A.lose his heartB.lose heart
C.break his heartD.make up his mind
B
词义辨析题。A. lose his heart 爱上    B. lose heart 灰心  C. break his heart 伤心                  D. make up his mind 下决心 虽然他的实验一次次失败但是他没有灰心最终他成功了。根据句意选B
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