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【单选题】
下列电路图,在闭合QF后,按下SB1,电动机降压启动,KT计时完成后,KM和KM△线圈得电,电动机停止运转,电路故障分析正确的是A.
主电路故障：△型连接错误
B.
主电路故障：电动机缺相
C.
控制电路故障：3-7-0
D.
控制电路故障：3-8-0
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反馈参考答案：
举一反三
【简答题】挤出机的普通螺杆一般为为三段,分别是 段、 段和 段。
【简答题】你认为目前物业管理行业发展中存在的主要问题是什么?(3个以上)
【单选题】The ____________ not only refers to all the people living in a particular area or country but also the feelings of sharing the things and belonging to a group.
A.
Community
B.
Club
C.
Committee
D.
Variety
【单选题】In the ________ future, all the people living in the village ________ will have to move to another place because of the expansion of the factory. [ ]
A.
near; nearby
B.
near; nearly
C.
nearly; nearby
D.
nearby; near
【单选题】Reverends suggestions for people living with regrets for years are all of the following EXCEPT______.
A.
having a view shift towards regret
B.
identifying the regret
C.
doing something to change the present situation
D.
forgetting all about the regret
【单选题】People living in cities have easy _____ to all means of transportations.
A.
chance
B.
way
C.
opportunity
D.
access
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