A.12
B.30
C.24
D.18
[单选题]设有如下程序: Option Base 0 Private Sub Form Click() Dim a Dim i As Integer a = Array(1, 2, 3, 4, 5, 6, 7, 8, 9) For i = 0 To 3 Print a(5 - i); Next End Sub 程序运行后,单击窗体,则在窗体上显示的是A.4 3 21B.543 2C.6 54 3D.7 6 54
[单选题]阅读如下程序: Option Base 1 Private Sub Form Click() Dim Arr(4,4)As Integer For i=1 To 4 For j=1 To 4 Arr(i,j)=(i-1)*2+j Next j Next i For i=3 To 4 For j=3 To 4 Print Arr(j,i); Next j Print Next i End Sub 程序运行后,单击窗体,输出的结果为A.5 7 6 8B.6 8 7 9C.7 9 8 10D.8 10
[单选题]阅读下列程序: Private Sub Form Click() Dim i As Integer, sum As Integer For i = 2 To 10 If i Mod 2 <> 0 Then Print i; Else sum = sum + i End If Next i Print sum End Sub 程序运行后,单击窗体,在窗体上的输出结果是A.3 5 7 9 30B.1 3 5 7 9C.2 4 6 8 20D.11 15 17 19 20
[单选题]执行以下程序段D.im i As Integer, x As Integerx = 0F.or i = 20 To 1 Step -2x = x + i / 5NextPrint x后,x的值为( )。A.16B.17C.18D.19
[单选题]有如下程序#includeusing namespace std;class Obj{static int i;public:Obj(){i++;}~Obj(){i--;}static int getVal(){teturn i;}};int Obj::i=0;void f (){Obj ob2;coutObj obl;F.();Obj*ob3=new Obj;coutD.elete ob3;cout}程序的输出结果是______。A.232B.231C.222D.221
[单选题]有如下程序#includeusing namespace std;class Base{protected;B.ase(){cout<<’A’;}B.ase(char c){cout<};class Derived; public Base{public:D.erived(char c ){cout <};int main(){D.erived d1(‘B’);return 0;}执行这个程序屏幕上将显示输出______。A.BB.BAC.ABD.BB
[单选题]有如下程序:includeusingnamespacestd;classXX{protected: intk;public: XX(intn=5):有如下程序: #include <iostream> using namespace std; class XX { protected: int k; public: XX(int n=5):k(n){} ~XX() { cout<<"XX"; } virtual void f() const=0; }; inline void XX::f()