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【判断题】
为保证数据输入的正确性,不但要保证输入程序正确、操作有效、可,更需要源数据() A. 完整 B. 正确 C. 清晰 D. 适宜
A.
正确
B.
错误
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【判断题】对于一个好的管理者来说,决策就是要达到最优。
A.
正确
B.
错误
【单选题】What does George Knight say about working in Australia?
A.
He was surprised at how challenging the job was.
B.
He enjoyed the responsibility which the position involved.
C.
He adapted immediately to the foreign working environment.
【判断题】在电网容量不够大时,鼠笼式电动机常采用降压起动。降压起动时,电动机起动性能与全压起动相同。()
A.
正确
B.
错误
【多选题】主板的最主要作用是( )、( )
A.
同步
B.
传递数据
C.
散热
D.
供电
【判断题】大容量星型联接的电动机可采用Y-降压起动。()
A.
正确
B.
错误
【单选题】How does George White think of the market research?
A.
It needs improvement.
B.
It is perfect.
C.
It is quite all right.
D.
It is dissatisfying.
【判断题】对于一个好的管理者来说,决策就是要达到最优。
A.
正确
B.
错误
【判断题】Date of the intended traveling
A.
正确
B.
错误
【单选题】What type of course is the following? A short course, given by a facilitator, usually involving workshops, intended to keep professionals up to date. What type of course is the following? What type...
A.
Refresher course
B.
Conference
C.
Distance course
D.
Full-time graduate course
【单选题】属于单相异步电动机启动方法的是()。
A.
电容起动
B.
异步起动
C.
Y~△降压起动
D.
自耦变压器降压起动
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