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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Time （）, the celebration will be held as scheduled.

A. permit
B. permitting
C. permitted
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Winds most often come from the coast, and are （） damp and not too cold.

A. somewhat
B. somehow
C. nevertheless
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