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单项选择题

A．Family relations.
B．Social problems.
C．Family planning.
D．Personal matters.
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单项选择题A．It had its limitations.B．Its results were regarded as final.C．It was supported by the government.D．It was not sound theoretically.

A．It had its limitations.
B．Its results were regarded as final.
C．It was supported by the government.
D．It was not sound theoretically.

单项选择题A．France.B．Italy.C．Germany.D．Spain.

A．France.
B．Italy.
C．Germany.
D．Spain.