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【单选题】
甲乙两个接触器,若要求实现互锁控制,则应该 。
A.
在甲接触器的线圈电路中串入乙接触器的动断触点
B.
在乙接触器的线圈电路中串入甲接触器的动断触点
C.
在两接触器的线圈电路中互串入对方接触器的动断触点
D.
在两接触器的线圈电路中互串入对方接触器的动合触点
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举一反三
【多选题】溢流阀在液压系统中可作为()用。
A.
溢流阀
B.
安全阀
C.
卸荷阀
D.
背压阀
【单选题】目前多普勒计程仪和声相关计程仪,均可工作在____状态。306
A.
横向跟踪,纵向跟踪
B.
记录显示,闪光显示
C.
机械方式,电气方式
D.
水层跟踪,海底跟踪
【多选题】企业资产租赁按其性质有经营租赁和融资租赁两种,其中融资租赁的特点有( )
A.
出租的设备由承租企业提出购买要求
B.
由承租企业负责设备的维修、保养和保险
C.
由租赁公司负责设备的维修、保养和保险
D.
租赁期满,通常采用企业留购办法处理设备
【简答题】Cheating is not deceiving your teachers and your parents, but fooling yourself into thinking that you can do something you really can 't. A)作弊不仅欺骗老师和家长,而且欺骗自己,你会误认为能做自己实际上做不了的事。 B)作弊不是欺骗老师和家长,而是在干傻事,你...
【单选题】In Unit 5 Cheating, the father kissed the boy good night because .
A.
The boy had done something unusual
B.
The boy came to see his mistake and had the courage to admit it
C.
The boy was willing to take a make up test
D.
The boy promised to study math harder
【判断题】在液压系统中,减压阀可作背压阀。
A.
正确
B.
错误
【单选题】The boy should be punished. You shouldn’t let him ______ cheating in the exam.
A.
keep away from
B.
keep away with
C.
get away from
D.
get away with
【单选题】目前多普勒计程仪和声相关计程仪,均可工作在状态。
A.
横向跟踪,纵向跟踪
B.
记录显示,闪光显示
C.
机械方式,电气方式
D.
水层跟踪,海底跟踪
【单选题】As your teacher,I could not have you______away with cheating in the exam.
A.
get
B.
getting
C.
breaking
D.
break
【单选题】The boy said that the cheating was not an accident since ______ .
A.
he decided to cheat as soon as he knew that there was going to be a test
B.
he had planned not to study before the test
C.
he had planned it with his friends before the test
D.
he decided to cheat after he had wasted the whole evening
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