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【单选题】
车辆运行作业计划是( )的具体化。A.
车辆运行调度
B.
运输生产计划
C.
辆维修计划
D.
生产经营计划
拍照语音搜题，微信中搜索"皮皮学"使用
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【简答题】三极管有放大作用的外部条件是发射结 偏,集电结 偏。
【简答题】If you are hurt in the chat room by others, you should______. [A] fight back in the same way [B] take them seriously [C] have none of them [D] be angry at them
【单选题】听力原文：WA Ralph, I meant to ask you about the picture frame. you gave Simone. Where did you buy it? MB I bought it at Perfect Home. There were a few other styles that were nice too, but I liked that one...
A.
A mug
B.
A clock
C.
A brief case
D.
A picture frame
【简答题】三极管有放大作用的外部条件是发射结( ),集电结 ( )
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