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【单选题】
在三相三线制电源系统中,为了防止绝缘损坏发生触电事故,应采用_____。A.
.保护接地
B.
.保护接零
C.
工作接地
D.
接地及接零
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【简答题】1 The board of Worldwide Minerals (WM) was meeting for the last monthly meeting before the publication of the yearend results. There were two points of discussion on the agenda. First was the discussi...
【单选题】The national parks are very important for the protection of these wild animals, which would ______ run the risk of becoming extinct.
A.
therefore
B.
instead
C.
otherwise
D.
anyhow
【单选题】145 When planning, organizing, coordinating, and controlling a project an important human resources skill or ability would be
A.
Building multi-disciplinary teams
B.
Managing conflict
C.
Communicating orally and in writing with all levels of personnel
D.
Involving senior management
E.
All are important
【单选题】控件ID值在控件WM_COMMAND消息的哪一个参数中（）
A.
HWND
B.
WPARAM的高16位
C.
WPARAM的低16位
D.
LPARAM的高16位
E.
LPARAM的低16位
【单选题】The most important thing about cotton in history is ______part that it played in ______ Industrial Revolution.
A.
不填；不填
B.
the; 不填
C.
the; the
D.
a; the
【单选题】某工程,挖土方500wm3,利用土方200wm3,开炸石方200wm3,利用开炸石方100wm3,弃方为( )wm3。
A.
400
B.
300
C.
100
D.
350
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