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问题 单项选择题

当电源控制面板上GEN1和GEN2开关在“关”(OFF)位时：

A、发电机中断供电且GLC开路

B、发电机继续供电且GLC开路

C、发电机不发电且GLC开路

D、不确定

答案

参考答案：A

选择题

- Could you tell me_______？

- Every four years.

A．how often the Olympic Games take place

B．when the Olympic Games are held

C．how often are the Olympic Games held

D．how often the Olympic Games were held
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单项选择题

梨状肌综合征受到卡压的神经为（）。

A.坐骨神经

B.股神经

C.腓总神经

D.臀上皮神经

E.胫前神经
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