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BSC中用于管理GPRS无线资源的设备一般称为（）。

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升降吊篮时，必须同时扳动手板葫芦，使各吊点同步升降，保持吊篮的平衡。（）

A. 部分
B. 大部分
C. 所有
D. 小部分

Which of the following statements about declaration are true？（）

A. Declaration of primitive types such as boolean， byte and so on does not allocate memory space for the variable.
B. Declaration of primitive types such as boolean， byte and so on allocates memory space for the variable.
C. Declaration of nonprimitive types such as String， Vector and so on does not allocate memory space for the object.
Declaration of nonprimitive types such as String， Vector ans so on allocates memory space for the object.

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When the students listen to recorded materials there is very little opportunity for immediate interaction.（）

A. 正确
B. 错误

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1974年在乐都柳湾出土的彩色裸体人像壶，也是一件文化蕴涵极为独特而丰富的陶器。

A. 正确
B. 错误

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