单项选择题

We should make a clear （）between the two scientific terms for the purpose of our discussion.

A．separation
B．discrimination
C．deviation
D．distinction

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单项选择题
In the Spring Export Commodities Fair the （）of fine china attracted much attention of customers from all over the world.

A．succession
B．array
C．string
D．procession
单项选择题
As you have seen, the values of a nation's currency is a （）of its economy.

A．reaction
B．reflection
C．response
D．revelation
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