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【简答题】
集装箱运输的关系方及交接方式有哪些?
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皮皮学刷刷变学霸
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【单选题】听力原文：As to this agreement, no questions come to my mind right now, but I'd like to read it through again before signing it. (23)
A.
I'll ask someone else to read and check this agreement for errors.
B.
I'll think more about the agreement before making a decision.
C.
It's obvious that I'll discuss the agreement with my assistant first.
D.
It's out of question that I should get into any agreement with you.
【单选题】______ On an extremely hot day, sweating to cool your body effectively will occur when the air is very hot and dry and carries no water at all.
A.
T
B.
F
C.
NG
【多选题】Which three statements correctly describe the functions and use of constraints? （）
A.
Constraints provide data independence.
B.
Constraints make complex queries easy.
C.
Constraints enforce rules at the view level.
D.
Constraints enforce rules at the table level.
E.
Constraints prevent the deletion of a table if there are dependencies.
F.
Constraints prevent the deletion of an index if there are dependencies.
【简答题】在 S N 1 反应中,产物构型为( )
【单选题】在PowerPoint2010中，下列关于隐藏幻灯片的描述中不正确的是（）。
A.
通过选择"设置"选项组中的"隐藏幻灯片"按钮实现幻灯片隐藏
B.
被隐藏的幻灯片将自动被演示文稿删除
C.
被隐藏的幻灯片在其编号的四周出现一个边框，边框中还有一个斜对角线
D.
用户在播放演示文稿时，会自动跳过该张幻灯片而播放下一张幻灯片
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