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【简答题】
试用74LS138型译码器实现 的逻辑函数。
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反馈参考答案：
举一反三
【判断题】An on board bill of lading indicates that the shipment has been actually loaded on the carrying vessel bound for the port of destination.()
A.
正确
B.
错误
【简答题】The emu, far from being enered, has actually been (i) ______; it is one of the few Australian animals that has found the effects of farm life (ii) ______.
【单选题】There is a big garden in the residential buildings, ____ actually has become a good place for people to meet and communicate. [ ]
A.
where
B.
in which
C.
which
D.
that
【单选题】 1044.机床电气大修时工作量最大的一种计划修理。大修时,将对电气系统的( )元器件进行解体,修理,更换,和调整,从而全面消除机床存在的隐患,缺陷,恢复电气系统达到所规定的性能和精度。
A.
全部
B.
小部分
C.
大部分
D.
全部或大部分
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