题目内容

The Belt and Road Initiative is intended for promoting multinational economic development through two component plans, the land-based Silk Road Economic Belt and Maritime Silk Road.

A. 对
B. 错

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The Initiative only covers the area of ancient Silk Road.

A. 对
B. 错

The initiative follows market operation. It will abide by market rules and international norms.

A. 对
B. 错

放大-检波式电压表的检波器是（）。

A. 均值检波器
B. 峰值检波器
C. 有效值检波器

用均值表测量两个正弦信号的和，它显示的读数就是它们和的有效值。

A. 对
B. 错