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【判断题】
在FX2n系列PLC中,积算定时器具有停电保持功能。( )A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】How do children in America celebrate Valentine's Day?
A.
Send flowers.
B.
Send candy.
C.
Send valentine cards.
D.
All of the above.
【简答题】How was Valentine
punished?A. He was made to serve in
the army B. He was sentenced to death. C. He was put into prison D. He was made to remain
single
【单选题】How was Valentine punished?
A.
He was made to serve in the army
B.
He was driven out of the country
C.
He was put into prison and sentenced to death.
D.
He was made to remain single.
【简答题】根据《会计基础工作规范》的规定，下列各项中，属于会计职业道德惩罚措施的有（ ）。
【单选题】What is the passage mainly about?
A.
The love story of valentine.
B.
An unusual holiday.
C.
How do people celebrate the holiday?
D.
The possible origin of St. Valentine's Day.
【单选题】设单位负反馈系统的开环传函为 G ( s )=10/ s ( 0.1 s + 1 )( 2 s + 1 ) , 当输入为 r ( t )=2 t 时系统的稳态误差为( )。
A.
0
B.
0.1
C.
0.2
D.
2
【简答题】根据《会计基础工作规范》的规定，下列各项中，属于会计档案的有（ ）。
【单选题】关于臣药的论述，下列哪一项是最正确的
A.
针对兼病和兼证起主要治疗作用
B.
辅助君药加强治疗作用和针对兼病及兼证起主要治疗作用
C.
辅助君药加强治疗作用
D.
治疗兼病、兼证和次要症状
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