单项选择题

I'm sure your suggestion will ______ the problem.

A．contribute to solve
B．be contributed to solve
C．be contributed to solving
D．contribute to solving
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单项选择题
The two scientists stopped working together because their theories did not ______.
A．confirm
B．conform
C．ally
D．submit
单项选择题
The ______ of a cultural phenomenon is usually a logical consequence of some physical aspect in the life style of the people.
A．implementation
B．manifestation
C．demonstration
D．expedition
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