单项选择题

Does brain power ______as we get older Scientists now have some surprising answers.

A．descend
B．decline
C．deduce
D．collapse
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单项选择题
The customer expressed her_______for that broad hat.
A．disapproval
B．distaste
C．dissatisfaction
D．dismay
单项选择题
Everyone who has visited the city agrees that it is______with life.
A．vibrant
B．violent
C．energetic
D．full
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