单项选择题

It may be （） to obtain soap that is not antibacterial, given its （） as a household cleansing product, but according to a new study, such products may be a waste of time.

A．difficult... ubiquity
B．imprudent... weakness
C．traditional ... relevance
D．revolutionary ... innovation
E．extravagant... expense

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单项选择题
After the investigations and （） that are both necessary and inevitable after a calamity such as the recently ended crisis, it may turn out that authorities could have handled the problem in a less （） way.

A．observation... convenient
B．analyses ... fashionable
C．second-guessing ... costly
D．footwork ... organized
E．solutions... abstruse
单项选择题
It is clear that many institutional investors once voted （）; now after so many scandals, some managers admit that they should have done more to （） corporate excesses.

A．imprudently... curb
B．insolently ... insinuate
C．intelligently... observe
D．precariously ... expose
E． insensitively ... brook
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