单项选择题

A．12:30.
B．ll:30.
C．12:00.
D．11:00.
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单项选择题
According to the regulations of FDA, if the newly-produced orange had no vitamin C, it would have to be labeled.
A．Y
B．N
C．NG
填空题
A．conditionB．differenceC．unionD．divorce
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