大学英语大学英语大学英语六级(CET6)2002年1月12日大学英语六级(CET-6)真题试卷
题目内容

While a full understanding of what causes the disease may be several years away, ________ leading to a successful treatment could come much sooner.

2024-07-09

A.a distinction

B.a breakthrough

C.an identification

D.an interpretation

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