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【多选题】
实践的基本特征包括( )A.
现实性
B.
自觉能动性
C.
社会历史性
D.
物质性
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反馈参考答案：
举一反三
【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。
【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】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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