电流互感器铭牌上标的额定电压是指（）。A.一次绕组的额定电压 _爱下问搜题

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问题单项选择题

电流互感器铭牌上标的额定电压是指（）。

A.一次绕组的额定电压

B.一次绕组对二次绕组和对地的绝缘电压

C.二次绕组的额定电压

D.一次绕组所加电压的峰值

答案

参考答案：B

完形填空

完形填空.

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       Thank you __1__ your e-mail. I know you are __2__ to America next Monday. I __3__ you will
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                                                                                                                     Yours,
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( )1. A to
( )2. A. come
( )3. A. hope
( )4. A. near
( )5. A. give
( )6. A. from
( )7. A. along
( )8. A. When
( )9. A. to
( )10. A. to

B. with
B. coming
B. with
B. at
B. know
B. on
B. down
B. What
B. turn
B. at

C. for
C. comes
C. like
C. in
C. say
C. for
C. through
C. Which
C. on
C. on

  D. in
  D. go
  D. think
  D. off
  D. tell
  D. to
  D. straight
  D. Who
  D. all
  D. in

单项选择题 B1型题

药材桔梗横切面的组织中可见（）

A.油细胞

B.油室

C.乳汁管

D.树脂道

E.油管