单项选择题

A．Children education.
B．Alcohol sales.
C．Environmental protection.
D．None of the above.
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单项选择题
A．About 24.B．About 56.C．About 27.D．About 12.
A．About 24.
B．About 56.
C．About 27.
D．About 12.
单项选择题
A．Art.B．Physics.C．Economics.D．Law.
A．Art.
B．Physics.
C．Economics.
D．Law.
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