单项选择题

A．strengthening
B．promoting
C．enhancing
D．aggravating
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单项选择题
A．generallyB．relativelyC．surprisinglyD．comparatively
A．generally
B．relatively
C．surprisingly
D．comparatively
单项选择题
A．evaluateB．appreciateC．estimateD．approximate
A．evaluate
B．appreciate
C．estimate
D．approximate
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