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【单选题】
若要求三相负载中各相互不影响，负载应接成（）A.
三角形
B.
星形有中线
C.
星形无中线
D.
三角形或星形有中线
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【简答题】施工现场常使用的是成套配电箱,其安装程序是什么?
【单选题】Although no one is certain why migration occurs, there are several theories. One theory claims that prehistoric birds of the Northern Hemisphere were forced south during the Ice Age. As the glaciers m...
A.
stopped migrating
B.
continued migrating
C.
stayed in the north
D.
migrated south and stayed there
【简答题】According to Hymes, linguistic theory is one incorporating communication and______.
【单选题】Although no one is certain why migration occurs, there are several theories. One theory claims that prehistoric birds of the Northern Hemisphere were forced south during the Ice Age. As the glaciers m...
A.
stopped migrating
B.
continued migrating
C.
stayed in the north
D.
migrated south and stayed there
【单选题】According to the author, if an interviewee's answer is "No" to the question whether he is a team player, the reason may be the following except _______.
A.
he is stupid
B.
he is honest
C.
he doesn't want the job
D.
he tries to be unique
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【简答题】段页式的存储管理中,必须为装入主存的作业建立段表和页表。其中页表的个数应根据 确定,每个页表的长度由 确定。
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