单项选择题

It's important to remember that nutrients have to work ______, and to take too much of one or another can be useless or even dangerous.

A．in check
B．in retrospect
C．in concert
D．in vogue
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单项选择题
The ______ amongst the world's scientists is that the world is likely to warm up over the next few decades.
A．censure
B．consensus
C．census
D．censor
单项选择题
Given a relatively ______ sentence of 18 years (others were given suspended death sentences), Chen was later released from jail in consideration of age and poor health.
A．benevolent
B．compassionate
C．lenient
D．charitable
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