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【单选题】
PLC 控制程序可变,在生产流程改变的情况下,不必改变 ( ) ,就可以满足要求。A.
软件
B.
硬件
C.
数据
D.
程序
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反馈参考答案：
举一反三
【单选题】To achieve success in your career, the most important factor, according to the passage, is to ______.
A.
let your superiors know how good you are
B.
project a favorable image to the people around you
C.
work as a consultant to your superiors
D.
perform. well your tasks given by your superiors
【简答题】According to the passage, the result of adjusting your body clock too frequently is ______.
【简答题】醛酮与含氮亲核试剂发生加成反应后，通常会再发生一个什么反应？
【简答题】影响电阻值的因素有:
【单选题】To achieve success in your career, the most important factor, according to the passage, is to ______.
A.
let your superiors know how good you are
B.
work as a consultant to your superiors
C.
perform. well your tasks given by your superiors
D.
project a favourable image to the people around you
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