单项选择题

The reform in economic system will help______ and develop the socialist economic base.

A．consolidate
B．enhance
C．elevate
D．prolong
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单项选择题
Such transformation of nouns into verbs became______ in recent year, but it is out of grammer use.
A．epidemic
B．enthusiastic
C．equivalent
D．essential
单项选择题
The police couldn't control the______ demonstration, so troops came to give them hand.
A．innumerable
B．turbulent
C．compact
D．indignant
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