题目内容

电磁式电器的组成部分电磁机构的作用是执行动作

A. 对
B. 错

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电磁式电器中的线圈通电,其常开触点闭合,常闭触点断开。

A. 对
B. 错

工作在交流电压1500V,直流电压1200V以下的电器为低压电器。

A. 对
B. 错

Ernest Hemingway's keen insight into his society, ardent love for people and perceptive abilities helped him to form his own _______ characteristic of writing.

A. peculiarly
B. radically
C. passionless
D. peculiar

The project is on the point of collapse, and unless something very______ is done to repair the damage there will be no hope for the project

A. random
B. radical
C. ridiculous
D. recent

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