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【单选题】
按照公众对组织的()进行分类,可将其分为顺意公众、逆意公众和边缘公众
A.
态度
B.
行为
C.
意念
D.
意识
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举一反三
【单选题】动态数列中各项指标数值之和有独立经济意义的是(    )。
A.
绝对数动态数列  
B.
平均数动态数列  
C.
时期数列    
D.
时点数列
【单选题】下列程序段的执行结果为( )。 Dim A(3,3) For M=1 To 3 For N=1 To 3 If N=M Or N=3-M+1 Then A(M,N)=1 Else A(M,N)=0 End If Next N Next M For M=1 To 3 For N=1 To 3 Print A(M,N) Next N Print Next M
A.
1 0 0 0 1 0 0 0 1
B.
1 1 1 1 1 1 1 1 1
C.
0 0 0 0 0 0 0 0 0
D.
1 0 1 0 1 0 1 0 1
【多选题】Both bridges are switches are being used throughout the Ezonexam LAN. Which of the following statements are true regarding bridges and switches in this network? (Choose 3)
A.
Switches are primarily software based while bridges are hardware based.
B.
Switches usually have a higher number of ports than most bridges.
C.
Bridges are frequently faster than switches.
D.
Bridges define broadcast domains while switches define collision domains.
E.
Both bridges and switches forward Layer 2 broadcasts.
F.
Both bridges and switches make forwarding decisions based on Layer 2 addresses.
【单选题】有程序段Dim a%(10),k%: For k=1 to 10 : a(k)=sqr(k) : Next k : Print a(k), 程序运行结果为( )。
A.
0
B.
1
C.
3
D.
程序出错
【简答题】有如下程序段 Dim a(4) As Integer,b(4) As Integer For k=0 to 2 a(k+1)=k*2 b(3-k)=a(k-1) Next k Print b(k) 执行程序段的结果是 。
【单选题】编写以下程序段: DIM I, J, K, A A=0 FOR I = 1 TO 3 FOR J = 1 TO I FOR K=-J TO 3 A=A+1 NEXT K NEXT J NEXT I 执行上面的三重循环后,变量A的值为( )。
A.
3
B.
9
C.
14
D.
21
【单选题】下列程序段的执行结果是Dim A(3,3)For M = 1 To 3For N = 1 To 3If N = M Or N = 3 - M + 1 ThenA(M,N) = 1Else A(M,N) = 0 End IfNext NNext MFor M = 1 To 3For N = 1 To 3Print A(M,N)Next NPrint Next M
A.
1 0 0 0 1 0 0 0 1
B.
1 1 1 1 1 1 1 1 1
C.
0 0 0 0 0 0 0 0 0
D.
1 0 1 0 1 0 1 0 1
【多选题】时期数列中,各项指标值( )
A.
与时间长短有关
B.
与时间间隔长短无关
C.
可相加
D.
不可相加
E.
是通过连续登记得到的
【单选题】拱桥按照主拱圈截面形式分为( )。
A.
实腹式拱桥、空腹式 拱桥
B.
板拱、肋拱、箱形拱和双曲拱
C.
简单体系拱桥、组合体系拱桥、拱片拱桥
D.
有推力拱桥、无推力拱桥
E.
上承式拱桥 、中承式拱桥 、 下承式拱桥
【简答题】按主拱圈截面形式分拱桥有 、 、 和箱形拱桥。
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