题目内容

三相变压器绕组为D联结时,绕组相电流乘以 就等于()

A. 线电流
B. 最大电流
C. 相电流

查看答案
更多问题

The ants, ________, have their times for play.

A. hardworking as are they
B. as they are hardworking
C. hardworking despite they are
D. hardworking as they are

I really don’t want to go tonight and I’m trying to _______an excuse.

A. think out
B. think about
C. think over
D. think up

In a word, we have no doubt ________ you are perfectly sound in mind and body.

A. that
B. when
C. what
D. whether

At least 76 people died when a Sibir Airlines Tu-154 ________ into the sea about 180kilometers from the Russian resort of Sochi on Thursday.

A. dropped
B. jumped
C. plunged
D. declined

答案查题题库