单项选择题

Desert plants ______ two categories according to the way they deal with the problem of surviving drought.

A．break down
B．fall into
C．differ in
D．refer to
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单项选择题
In the airport, I could hear nothing except the roar of aircraft engines which ______ all other sounds.
A．dwarfed
B．diminished
C．drowned
D．devastated
单项选择题
A young man sees a sunset and, unable to understand or express the emotion that it ______ in him, concludes that it must be the gateway to a world that lies beyond.
A．reflects
B．retains
C．rouses
D．radiates
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