一般接收机在中波波段接收的波长范围为186.9～560.7m，它接收的

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问题单项选择题

一般接收机在中波波段接收的波长范围为186.9～560.7m，它接收的频率范围为（）。

A、505~1205kHz

B、565~1205kHz

C、535~1605kHz

D、595~1605kHz

答案

参考答案：C

单项选择题

As a project manager, the most important activity to ensure customer and stakeholder satisfaction is ______ .

A．documenting the performance measurements

B．reporting changes and updating the project plan and other project documents where appropriate

C．reporting project status timely and regularly

D．documenting the requirements

单项选择题

女性红绿色盲基因携带者的基因型是（）

A.XBXb

B.XBXB

C.XbXb

D.XBY