单选题：The sun is the heaviest star in the universe.

题目内容：

The sun is the heaviest star in the universe. A．Right
B．Wrong
C．Not mentioned

参考答案：

答案解析：

剥削制度、两极分化的深刻经济根源在于( )。

剥削制度、两极分化的深刻经济根源在于( )。A．生产资料私有制 B．生产资料公有制 C．等级制度 D．生产关系复杂

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This is not typical of English,but is a feature of the Chinese language.A．partic

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