题目内容

发电机励磁回路接地一点接地保护应动作跳闸.

A. 对
B. 错

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高压侧三相同时低电压是发电机低励失磁保护中系统侧的主判据，而异步边界阻抗判据是其发电机侧的主判据。

A. 对
B. 错

The gold medal will be awarded to ___________ wins the first place in the bicycler.

A. whomever
B. wherever
C. whoever
D. whatever

At the beginning of a speech, it is very important to grab the audience's attention and make them interested in ______ you have to say.

A. which
B. what
C. that
D. who

We must find out ____ Jackson is coming, so we can book a room for him.

A. when
B. how
C. where
D. why