阅读程序回答问题:main(){int i,j,k,m=0;for(i=1;i＜4;i++)for(j=1;j＜4;j++)for(k=1;k＜4;k++)m++;printf(“M=%d”,m);}以上程序输出M=()。

A.char

B.double

C.int

D.无返回类型

A.4

B.3

C.1

D.2

写出下列程序的运行结果。

#include void Fun(){int num=20;cout＜＜ "The Fun's num is"＜＜ num＜＜ endl;

}void main(){int num=10;cout＜＜ "The main's num is "＜＜ num＜＜ endl;Fun();{int num=30;

cout＜＜ "The Field's num is "＜＜ num＜＜ endl;}cout＜＜ "The main's num is "＜＜ num＜＜ endl;}

请写出如下程序的输出结果：

#include void Swap(int &a, int & b);void main(){int x(10 ), y(7 );

cout＜＜ "x="＜＜ x＜＜ " y="＜＜ y＜＜ endl;Swap(x , y );cout＜＜ "x="＜＜ x＜＜ " y="＜＜ y＜＜ endl;

}void Swap(int & a, int & b){ int temp; temp = a ; a=b ; b=temp ; }

A.963

B.852

C.875421

D.741

A.0

B.1

C.2

D.4

请写出下列程序的输出结果。()

#include

int main() /{

char str[ ]="1A2B3C4D"; int i;

for(i=0;str[i]!='/0';i++)

if ((str[i]＜'0') || (str[i]＞'9'))

printf("%c",str[i]);

return 0;

/}

}

class A

{

int a;

A(int b)

{a=b;}

void show()

{System.out.println(“a=”+a);}

}

public class Class1

{

public static void main (String args[])

{

A bj=new A(12345);

boolean b=false;

char ch=97;

obj.show();

System.out.println(“b=”+b+”/tch=”+ch);

}

}

A.2

B.3

C.不确定的值

D.1

A.3 3

B.3 4

C.4 2

D.4 3

A.-11 is a positive odd number.

B.-11 is a negative odd number.

C.-11 is a positive even number.

D.11 is a negative even number.