以下程序段实现的输出是()。for(i=0;i<;=9;i++)s[i]=i;for(i=9;i>;=0;i--)printf("%2d",s[i]);[/i][/i] A: 9 7 5 3 1 B: 1 3 5 7 9 C: 9 8 7 6 5 4 3 2 1 0 D: 0 1 2 3 4 5 6 7 8 9
以下程序段实现的输出是()。for(i=0;i<;=9;i++)s[i]=i;for(i=9;i>;=0;i--)printf("%2d",s[i]);[/i][/i] A: 9 7 5 3 1 B: 1 3 5 7 9 C: 9 8 7 6 5 4 3 2 1 0 D: 0 1 2 3 4 5 6 7 8 9
多项式p()<br/>= x5+3x2-7x-4在MATLAB中的正确表示为?() A: [1<br/>3 -7 -4] B: [1<br/>0 3 -7 -4] C: [1<br/>3 0 -7 -4] D: [1<br/>3 -7 -4 0]
多项式p()<br/>= x5+3x2-7x-4在MATLAB中的正确表示为?() A: [1<br/>3 -7 -4] B: [1<br/>0 3 -7 -4] C: [1<br/>3 0 -7 -4] D: [1<br/>3 -7 -4 0]
【单选题】Which of the following matrices does not have the same determinant of matrix B: [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -1, 0, -9,-5] A. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 0; -1, 0, -9, -5] B. [1, 3, 0, 2; -2, -5, 7, 4; 1, 0, 9, 5; -1, 0, -9, -5] C. [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -3, -5, -2, -1] D. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 1; -1, 0, -9, -5]
【单选题】Which of the following matrices does not have the same determinant of matrix B: [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -1, 0, -9,-5] A. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 0; -1, 0, -9, -5] B. [1, 3, 0, 2; -2, -5, 7, 4; 1, 0, 9, 5; -1, 0, -9, -5] C. [1, 3, 0, 2; -2, -5, 7, 4; 3, 5, 2, 1; -3, -5, -2, -1] D. [1, 3, 0, 2; -2, -5, 7, 4; 0, 0, 0, 1; -1, 0, -9, -5]
Public Sub Proc(a%( )) Static i% Do a(i) = a(i) + a(i + 1) i = i + 1 Loop While i < 2 End Sub Private Sub Command1_Click( ) Dim m%, i%, x%(10) For i = 0 To 4: x(i) = i + 1: Next i For i = 1 To 2: Call Proc(x): Next i For i = 0 To 4: Print x(i);: Next i End Sub A: 3 4 7 5 6 B: 3 5 7 4 5 C: 2 3 4 4 5 D: 4 5 6 7 8
Public Sub Proc(a%( )) Static i% Do a(i) = a(i) + a(i + 1) i = i + 1 Loop While i < 2 End Sub Private Sub Command1_Click( ) Dim m%, i%, x%(10) For i = 0 To 4: x(i) = i + 1: Next i For i = 1 To 2: Call Proc(x): Next i For i = 0 To 4: Print x(i);: Next i End Sub A: 3 4 7 5 6 B: 3 5 7 4 5 C: 2 3 4 4 5 D: 4 5 6 7 8
下面属于弱拍开始的音乐节奏有 A: 2/4 X X I X X I B: 3/4 0 0 X I X X X I C: 4/4 0 X I X X X X I D: 3/4 X X X I 0 X 0 I
下面属于弱拍开始的音乐节奏有 A: 2/4 X X I X X I B: 3/4 0 0 X I X X X I C: 4/4 0 X I X X X X I D: 3/4 X X X I 0 X 0 I
若有说明:int a[3][4],s; ,则对数组a的元素引用错误的是____________ 。 A: s=0; for(i=0;i<3;i++) for(j=0;j<4;j++) s+=a[i][j]; B: s=0; for(j=0;j<4;j++) for(i=0;i<3;i++) s+=a[i][j]; C: s=0; for(i=0;i<4;i++) for(j=0;j<3;j++) s+=a[j][i]; D: s=0; for(i=0;i<3;i++) for(j=0;j<4;j++) s+=a[j][i];
若有说明:int a[3][4],s; ,则对数组a的元素引用错误的是____________ 。 A: s=0; for(i=0;i<3;i++) for(j=0;j<4;j++) s+=a[i][j]; B: s=0; for(j=0;j<4;j++) for(i=0;i<3;i++) s+=a[i][j]; C: s=0; for(i=0;i<4;i++) for(j=0;j<3;j++) s+=a[j][i]; D: s=0; for(i=0;i<3;i++) for(j=0;j<4;j++) s+=a[j][i];
羊的齿式为 A: 2(0 0 3 0/ 4 0 3 0)=20 B: 2(0 0 3 3/ 4 0 3 3)=32 C: 2(4 0 3 0/ 4 0 3 0)=28 D: 2(4 0 3 3/ 4 0 3 3)=40
羊的齿式为 A: 2(0 0 3 0/ 4 0 3 0)=20 B: 2(0 0 3 3/ 4 0 3 3)=32 C: 2(4 0 3 0/ 4 0 3 0)=28 D: 2(4 0 3 3/ 4 0 3 3)=40
下面代码的输出结果为( ) for i in range(1, 7): if i % 2 == 0: print(i, end=" ") A: 1 2 3 4 5 6 7 B: 1 2 3 4 5 6 C: 2 4 6 7 D: 2 4 6
下面代码的输出结果为( ) for i in range(1, 7): if i % 2 == 0: print(i, end=" ") A: 1 2 3 4 5 6 7 B: 1 2 3 4 5 6 C: 2 4 6 7 D: 2 4 6
已知4x-3y-3z=0,x-3y+z=0(x≠0,y≠0,z≠0),那么x:y:z A: 4:3:9 B: 4:3:7 C: 12:7:9 D: 以上结论都不对
已知4x-3y-3z=0,x-3y+z=0(x≠0,y≠0,z≠0),那么x:y:z A: 4:3:9 B: 4:3:7 C: 12:7:9 D: 以上结论都不对
设X,Y为两个随机变量,且P{X ³0,Y ³ 0} = 3/7 , P{X ³ 0} = P{ Y ³ 0} = 4/7 ,则P{max(X, Y) ³ 0} = ( ). A: 1/7 B: 3/7 C: 4/7 D: 5/7
设X,Y为两个随机变量,且P{X ³0,Y ³ 0} = 3/7 , P{X ³ 0} = P{ Y ³ 0} = 4/7 ,则P{max(X, Y) ³ 0} = ( ). A: 1/7 B: 3/7 C: 4/7 D: 5/7