【简答题】热继电器是专门用来对连续运行的电动机实现过载及断相保护,以防电动机因过热 而烧毁的一种保护电器,通常是把其()触点串接在控制电路中。
【简答题】What did her neighbors do that irritated Jane?
【简答题】幼儿园教育活动设计的原则是以 ____ 为核心,以 ____ 为前提,以 ____ 依据制定的。
【单选题】James didn’t attend the meeting and .A.so did JaneB.neither did JaneC.Jane didn’t tooD.Jane did to
A.
James didn’t attend the meeting and ____. A.so did Jane
【单选题】在电动机的继电接触器控制电路中,“互锁”环节的作用是 ( ) 。
【简答题】热继电器是专门用来对连续运行的电动机实现过载及断相保护,以防电动机因过热而烧 毁的一种保护电器,通常是把其( )触点串接在控制电路中。
【简答题】幼儿园教育活动设计的原则是以___为核心,以促进____为前提,以____为依据制订的
【单选题】What did Jane want to find a job?
A.
To make more money for better clothes.
D.
To find more pleasure with a job.
【简答题】听短文,根据文意为下列问题选择最佳答案。 1. What did Tom and Jane want to do one summer? [ ] A. They wanted to play in the train. B. They wanted to climb hills. C. They wanted to visit another city. 2. What happened ...