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【单选题】
以下关于电流互感器的说法正确的是（）A.
二次侧可以短路，但不能开路
B.
二次侧可以开路，但不能短路
C.
二次侧可以开路，也可以短路
D.
二次侧不能开路，也不能短路
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反馈参考答案：
举一反三
【单选题】If he doesn't know the word he can______in a dictionary.
A.
make it out
B.
look it up
C.
pick it out
D.
make it away
【单选题】The young man is upset because he doesn’t know how he can get it ______ to the pretty girl how much he loves her. [ ]
A.
across
B.
up
C.
down
D.
around
【单选题】I am very surprised that even an expert on foreign affairs can know the painting is forgery. （）he can tell who painted it.
A.
However
B.
Otherwise
C.
Nevertheless
D.
Moreover
【单选题】Suture removal time of head and neck surgery is
A.
2~3days
B.
3~4days
C.
4~5days
D.
5~6days
E.
6~7days
【单选题】suture removal time after head and neck surgery is
A.
2~3day
B.
3~4day
C.
4~5 day
D.
5~6days
E.
6~7days
【单选题】The problem with Luis is that he doesn't know his ________—he just assumes he can do everything.
A.
limit
B.
limited
C.
limitless
D.
limitations
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