单项选择题

In the present economic __________ we can make even greater progress than previously.

A．air
B．mood
C．area
D．climate
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单项选择题
We should make a clear __________ between 'competent' and 'proficient' for the purposes of our discussion.
A．separation
B．division
C．distinction
D．difference
单项选择题
This project would __________ a huge increase in defense spending.
A．result
B．assure
C．entail
D．accomplish
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