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【单选题】
Which of the following observations about the relationship between decision type and decision process is TRUE?A.
Managerial decisions tend to be highly structured, whereas operational decisions are unstructured.
B.
Decisions at the operational level tend to be structured, whereas decisions at the strategic level tend to be unstructured.
C.
Higher-level organizational decisions should be highly structured.
D.
Need for collaboration is highly significant for lower-level, structured decisions.
E.
Decisions at the operational level tend to be unstructured, whereas decisions at the strategic level tend to be structured.
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【单选题】一外啮合标准直齿圆柱齿轮传动,已知:1=20,z2=40,中心距a=90mm,试问小齿轮的分度圆直径为()。
A.
30mm
B.
60mm
C.
90mm
D.
120mm
【单选题】FlashGet 下载文件的保存位置是( )。
A.
不确定
B.
“C：\WINDOWS”
C.
“C：\Program Files”
D.
“C：\Downloads”