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【单选题】
机电传动控制的目的是通过对以( )为原动机的生产机械进行启停、制动、调速、反向和快速定位等电气控制和操作,使生产机械满足工艺要求,确保生产过程正常进行。
A.
柴油机
B.
电动机
C.
蒸汽机
D.
汽油机
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【简答题】表示活着动的场所(助 在......)
【单选题】良法是善治的前提,( )是建设中国特色社会主义法治体系的关键所在。
A.
立法质量
B.
依法治国
C.
立法数量
D.
依法办事
【单选题】( )是建设中国特色社会主义法治体系的根本保障。
A.
完备的律规范体系
B.
高效的法治实施体系
C.
严密的法治监督体系
D.
完善的党内法规体系
【单选题】Don't make so much noise. The students _____ an English class. [     ]
A.
are having
B.
have
C.
had
D.
were having
【多选题】肺根内含有
A.
气管
B.
主支气管
C.
肺血管
D.
淋巴管
E.
神经
【单选题】Reading Comprehension Directions:There are two passages iⅡthis part. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A,B,C and D.You...
A.
after 25 years
B.
according to the law
C.
as a result of the Equal Pay Act
D.
because women are as strong as men
【多选题】低压电器按用途和控制对象划分为()
A.
配电电器
B.
控制电器
C.
接触器
D.
继电器
【单选题】No one except two students ________ the meeting.
A.
has been late for
B.
have been late for
C.
was late for
D.
were late for
【单选题】Students may lose self-esteem if
A.
they have to change courses.
B.
their family puts too much pressure on them.
C.
they don't study.
D.
they don't complete a course.
【多选题】低压电器按用途和控制A象划分为()。
A.
配电电器
B.
控制电器
C.
接触器
D.
继电器
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