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【单选题】
正常情况下,全变电所停电操作时应()。A.
电容器支路断路器和其它支路断路器同时拉开
B.
后拉开电容器支路断路器
C.
先拉开电容器支路断路器
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反馈参考答案：
举一反三
【简答题】电路如下图所示，写出电路的传递函数，并指出该电路是什么类型的滤波电路。
【单选题】下图是两级放大电路,各级电路分别是
A.
第一级是静态工作点稳定的共射放大电路，第二级是共集电极放大电路
B.
第一级是共集电极放大电路，第二级是静态工作点稳定的共射放大电路
C.
两级均是共集电极放大电路
D.
两级均是静态工作点稳定的共射放大电路
【单选题】In international matches, prestige is so important that the only thing that matters is to avoid ______.
A.
from being beaten
B.
being beaten
C.
beating
D.
to be beaten
【单选题】We knew (so little) about (equipments), (disposal) techniques, the (whole) thing.
A.
so little
B.
equipments
C.
disposal
D.
whole
【单选题】I was ______ to find his article on such an ______ topic so ______.
A.
surprised…excited…bored
B.
surprising…exciting…boring
C.
surprised…exciting…boring
D.
surprising…excited…bored
【单选题】The book was so (bored) that I (returned) it (to the library) without (finishing) it.
A.
bored
B.
returned
C.
to the library
D.
finishing
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