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【单选题】
某压力表刻度为0~100kPa,在50kPa处计量检定值为49.5kPa,该表在50 kPa处的示值相对误差是()。A.
0.5kPa
B.
"-0.5kPa
C.
1%
D.
0.5%
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【简答题】A．He had many bad habits. B．He had false teeth that were made of wood. C．He established a dental school. D．He once hunted elephants.
【简答题】三菱FX系列PLC的编程元件中,特殊辅助继电器M8012是时间为( )的时钟脉冲,M8013是时间为( )的时钟脉冲。
【简答题】How many years had the creator Walt Disney had for the dream of Disneyland? He had the dream for ______
【单选题】____ ，but he still could not understand it.
A.
Told many times
B.
Having been told many times
C.
He had been told many times
D.
Though he had been told many times
【单选题】_______,but he still could not understand it.
A.
He had been told many times
B.
Having been told many times
C.
Told many times
D.
Although he had been told many times
【单选题】When he was doing the software development project, he ___________ many problems that he had to solve on his own.
A.
came up with
B.
came through
C.
came across
D.
came out
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