A-A+
No one has yet succeeded in explaining the ___
问题详情
No one has yet succeeded in explaining the ______ of how life began.
A.cause
B.confusion
C.reason
D.puzzle
参考答案
正确答案:D
解析:句意:迄今还没有人能成功解释生命起源之谜。本题考查词义辨析。cause:原因,起因;confusion:混乱,困惑;reason:理由,缘故;puzzle:难题,迷惑。