单项选择题

______ always exists between the theoretical deduction and the result of experimentation.

A．Deviation
B．Derivation
C．Variation
D．Variety
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单项选择题
The symphony concerts here are ______ by the municipal government.
A．subdued
B．subscribed
C．subordinated
D．subsidized
单项选择题
Smuggling is a ______ activity which might bring destruction to our economy; therefore, it must be banned.
A．pertinent
B．fruitful
C．detrimental
D．casual
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