劈相机的三相电压不对称是由于它的负载电流不对称引起的。_爱下问搜题

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问题判断题

劈相机的三相电压不对称是由于它的负载电流不对称引起的。

答案

参考答案：对

完形填空

完型填空。

I work in a small shop. It is near __1__English school. Every day students come to__2__ things in
the shop. __3__ the morning, I get up at six, and then I have __4__. I go to work __5__ my bike. I get
to the shop at about six forty. The shop __6__open from 7:00 a.m. to 7:00 p.m. We __7__ many things
like food and drinks. We have school things, __8__. So there are __9__ people in our _10__ from
morning to evening.

( )1. A. /
( )2. A. buy
( )3. A. On
( )4. A. food
( )5. A. from
( )6. A. do
( )7. A. sells
( )8. A. too
( )9. A. many
( )10. A. shop

B. a
B. play
B. At
B. lunch
B. on
B. does
B. to sell
B. two
B. much
B. home

C. an
C. like
C. In
C. dinner
C. at
C. are
C. sell
C. and
C. great
C. school

D. the
D. look
D. For
D. breakfast
D. by
D. is
D. selling
D. but
D. no
D. family

填空题

正确的学习观念是正确有效的学习行为的前提和基础；良好的__________是取得良好学习效果的重要保证。