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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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举一反三
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【简答题】在 PHOTOSHOP 中 , 取消当前选择区的快捷组合键是 _________________, 对当前选择区进行羽化操作的快捷组合键是 _________________ 。
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【单选题】对变实无法交付物品的利余款额,旅客在( )内来领取时,承运人应按规定办理退款手续。
A.
30天
B.
90天
C.
180天
D.
1年
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【单选题】取消选区的组合键是( )。
A.
Ctrl+A
B.
Ctrl+D
C.
Ctrl+C
D.
Ctrl+V
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