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12、用于指示电动机正处在停止状态的指示灯颜色应选用( )

A. 紫色
B. 蓝色
C. 红色
D. 绿色

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11、下列需要每半年做一次耐压试验的用具为( )

A. 绝缘棒
B. 绝缘夹钳
C. 绝缘罩
D. 绝缘手套

________ often occurs because listeners assume they understand what a speaker means when, in fact, the speaker had intended a completely different meaning from what was understood

We are doing communication _______all the time.

Misunderstanding occurs when listeners simply _____messages they don’t understand or say the messages don’t make any sense.