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【单选题】
对于反应故障时参数减小而动作的继电保护,计算灵敏系数时应用( )A.
故障参数的最小值计算
B.
故障参数的最大值计算
C.
保护区末端的最小值计算
D.
两者都可以
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举一反三
【简答题】When you are away from home, you should look after you.
【单选题】If you run after two hares, you will catch __________.
A.
neither
B.
either
C.
both
D.
each
【单选题】You will fall into the fourth stage of sleep______.
A.
about 80 minutes after you fall into slumber
B.
some 10 minutes after your fall into REM sleep
C.
about 40 minutes after you lose consciousness
D.
some 30 minutes after your brain waves slow
【简答题】制定大修工艺时,应利用现有条件,尽量采用机械化、自动化的操作方法,以减轻操作者的(-----)。
【单选题】听力原文：W: You wanted to see me, Mr. Gray? M: Yes, Miss Wright. You'll have to start getting to work on time or your service will no longer be needed here. Q: What happened to Miss Wright? (17)
A.
She was given a new position.
B.
She was given a raise.
C.
She was criticized for being late.
D.
She was praised for her service.
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