假定有以下程序: Private Sub Form. Click( ) a=1:b=a Do Until a=5 x=a*b Print b;X a=a+b b=b+a Loop End Sub 程序运行后,单击窗体,输出结果是( )。A.1 1 2 3B.1 1 2 4C.1 1 3 8D.1 1 3 6

假定有以下程序: Private Sub Form. Click( ) a=1:b=a Do Until a>=5 x=a*b Print b;X a=a+b b=b+a Loop End Sub 程序运行后,单击窗体,输出结果是( )。

A.1 1 2 3

B.1 1 2 4

C.1 1 3 8

D.1 1 3 6


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以下能够正确计算n!的程序是( )。A.Private Sub Command1_Click()n=5: x=1Dox=x * II=I + 1Loop While I nPrint xEnd SubB.Private Sub Command1_Click()n=5: x=1: I=1Dox=x * II=I + 1Loop While I nPrint xEnd SubC.Private Sub Command1_Click()n=5: x=1: I=1Dox=x * II=I + 1Loop While I =nPrint xEnd SubD.Private Sub Command1_Click()n=5: x=1: I=1Dox=x * II=I + 1Loop While I nPrint xEnd Sub

假定有以下程序:Private Sub Form_Click()a=1:b=aDo Until a=5x=a*bPrint b;xa=a+bb=b+aLoopEnd Sub程序运行后,单击窗体,输出结果是A.1 1 2 3B.1 1 2 4C.1 1 3 8D.1 1 3 6

以下能够正确计算n!的程序是A.Private Sub Command1 Click() n=5:x=1 Do x=x * I I=I + 1 Loop While I < n Print x End SubB.Private Sub Command1_Click() n=5:X=1:I=1 Do X=X*I I=I + 1 Loop While I <n Print x End SubC.Private Sub Command1_Click() n=5:X=1:I=1 Do X=X * I I=I + 1 Loop While I<=n Print X End SubD.Private Sub Command1_Click() n=5:X=1:I=1 Do x=x * I I=I + 1 Loop While I>n Print X End Sub

有以下程序:includeusing namespace std;classA{private: int x;public: A(int a) {x 有以下程序: #include<iostream> using namespace std; class A { private: int x; public: A(int a) { x=a; } friend class B; }; class B { public: void print(A a) { a.x--; cout<<a, x<<end1; } }; int main () { A a(10); B b; b.print (a) ; return 0; } 程序执行后的输出结果是( )。A.9B.10C.11D.12

有如下程序: include using namespace std; class TestClass { private: int x,y; pu 有如下程序: #include<iostream> using namespace std; class TestClass { private: int x,y; public: TestClass (int i,int j) { x=i; y=j; } void print() { cout<<"print1"<<end1; } void print()const { cout<<"print2"<<end1; } }; int main() { const TestClass a(1,2); a.print(); return 0; } 该程序运行后的输出结果是( )。A.print1B.print2C.print1 print2D.程序编译时出错

有以下程序:include using namespace std;class sample{private: int x; static int 有以下程序:#include <iostream>using namespace std;class sample{private: int x; static int y;public: sample(int a); static void print(sample s);};sample:: sample(int a){ x=a; y+=x;}void sample:: print(sample s){ cout<<"x="<<s. x<<",y="<<y<<end1;}int sample:: y=0;int main(){ sample s1(10); sample s2(20); sample:: print(s2); return 0;}程序运行后的输出结果是( )。A.x=10,y=20B.x=20,y=30C.x=30,y=20D.x=30,y=30

有以下程序:include include using namespace std;class point{private:doubl 有以下程序:#include <iostream>#include <math>using namespace std;class point{private: double x; double y;public: point(double a, double b { x=a; y=b; friend double distance (point a, point b ; };double distance(point a, point b return sqrt((a. x-b. x )*(a. x -b. x )+ (a. x -b. x)*(a. x-b. x));}int main (){ point p1 (1,2); point p2(5,2); cout<<distance (p1, p2)<<end1; return 0;} 程序运行后的输出结果是A.1B.5C.4D.6

有下列程序:includeusing namespace std;class TestClass{private:int x,y;public:Te 有下列程序: #include<iostream> using namespace std; class TestClass { private: int x,y; public: TestClass (int i,int j) { x=i; y=j; } void print() { cout<<"printl"<<endl; } voA.print1B.print2C.pfint1 print2D.程序编译时出错

写出下面程序的运行结果,了解do-while语句的使用。 public class cs5 { public static void main(String[] args) { int x = 23; do{ System.out.print(x--); }while(x>20); } }