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【判断题】
在中性点不直接接地的电网中，发生单相接地时，健全相对地电压有时会超过线电压。( )A.
正确
B.
错误
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举一反三
【单选题】There being no cause for alarm, you ______ in such a panic yesterday.
A.
need not act
B.
did not need to act
C.
need not have acted
D.
did not need to have acted
【单选题】________ no cause for alarm, the old man went back to his bedroom.
A.
There was
B.
Since
C.
Being
D.
There being
【单选题】_______ no cause for alarm, the old man went back to his room.
A.
There was
B.
Since
C.
Being
D.
There being
【单选题】There no cause for alarm, she went back to her room.
A.
being
B.
was
C.
be
D.
has been
【单选题】______no cause for alarm, the old man went back to his bedroom.
A.
There was
B.
Due to
C.
As to
D.
There being
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