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【判断题】
三菱FX系列PLC的功能指令有连续执行型和脉冲执行型。( )
A.
正确
B.
错误
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【判断题】货币常量在使用时,自动保留小数点后 4 位。
A.
正确
B.
错误
【多选题】采用定额法计算产品成本,产品的实际成本由( )等组成。
A.
定额成本
B.
脱离定额差异
C.
材料成本差异
D.
定额变动差异
E.
计划成本
【单选题】Listen to a long conversation and choose the best answer to each question you hear.
A.
to make him feel better after he lost the first prize
B.
to apologize for not buying him some ice cream
C.
to wish him good luck in the next competition
D.
to congratulate him on winning the first prize
【多选题】采用定额法计算产品成本,产品的实际成本由( )等组成。
A.
定额成本
B.
脱离定额差异
C.
材料成本差异
D.
定额变动差异
【判断题】用万用电表测量交流电压时,应选择适当量程,将表笔并联于被测电路的两端。( )
A.
正确
B.
错误
【判断题】测量电压时,应将交流电压表与被测电路并联
A.
正确
B.
错误
【判断题】测量正弦交流电路中的电压时,应先选好电压表的量程,再将电压表并联接入电路中。
A.
正确
B.
错误
【简答题】Listen to a conversation and choose the best answer to each question you hear. 1) A. How long to stay in Greece. B. How to avoid offending people. C. How to make friends with Greeks. D. How to learn t...
【单选题】Listen to a long conversation and choose the best answer to each question you hear.
A.
To make him feel better after he lost the first prize.
B.
To apologize for not buying him some ice cream.
C.
To wish him good luck in the next competition.
D.
To congratulate him on winning the first prize.
【判断题】压杆的临界应力值总是与其材料的弹性模量成正比。
A.
正确
B.
错误
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