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【单选题】
在 Struts 体系结构中,以下哪个由代表系统状态和商业逻辑的 Action 来构 建?()A.
View
B.
Model
C.
Action
D.
Controller
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【简答题】如图，O为直线A 0 A 2013 外一点，若A 0 ，A 1 ，A 2 ，A 3 ，A 4 ，A 5 ，…，A 2013 中任意相邻两点的距离相等，设 O A 0 = a ， O A 2013 = b ，用 a ， b 表示 O A 0 + O A 1 + O A 2 +…+ O A 2013 ，其结果为______．
【单选题】已知（1- x 3 ） 2013 =a 0 +a 1 x+…+a 2013 x 2013 ，则3a 1 +3 2 a 2 +…+3 2013 a 2013 =（ ）
A.
0
B.
1
C.
-1
D.
2 2013 -1
【单选题】A stillborn baby was delivered in the birthing suite a few hours ago. After the delivery, the family remained together, holding and touching the baby. Which statement by the nurse would assist the fam...
A.
"What can I do for you? "
B.
"Now you have an angel in heaven."
C.
"Don't worry, there is nothing you could have done to prevent this from happening."
D.
"We will see to it that you have an early discharge so that you don't have to be reminded of this experience."
【单选题】(2013·陕西，23)—Shall we go for a drink at one o'clock this afternoon? —________.Will two o'clock be OK?
A.
Sure，it's up to you
B.
Sure，no problem
C.
Sorry，I can't make it
D.
Sorry，I'm not available today
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