单选题
A federal safety inspector ordered that the ______ malfunctioning valve sensor on the mining machine be replaced.
(A) eventually
(B) routinely
(C) sensitively
(D) difficultly
A
B
C
D
【正确答案】
B
【答案解析】
[词汇] routinely常规地，日常
[错误答案] (A)最终(C)敏感地(D)困难，很难
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