直流系统解锁过程中一般（）。A.先解锁整流侧 B.先解锁逆变侧 _爱下问搜题

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问题单项选择题

直流系统解锁过程中一般（）。

A.先解锁整流侧

B.先解锁逆变侧

C.同时解锁

D.都行

答案

参考答案：B

选择题

—________________
—That sounds like a good idea.

A. Why did you buy flowers?
B. What's your idea?
C. How was your trip in Thailand?
D. Let's buy some flowers for our teacher.

选择题

The film was so _____ that soon all the children in the cinema began feeling _____of it and they went out one by one.

A. bored, boring B. boring, boring C. bored, bored D. boring, bored