问题
判断题
变电站的主要任务是改变系统电压等级、接收和分配电能。
答案
参考答案：对
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变电站的主要任务是改变系统电压等级、接收和分配电能。
参考答案：对
Passage Two
Newspapers have entered the category of large business organizations because of ______.
A．their influence on the reading public
B．their reports of stock market activities
C．the millions of papers sold daily
D．the tremendous costs of production