第19题: [单项选择]下列程序的运行结果是( )。
#include<iostream.h>
void fun(int *a,iht *B)
{ int *k;
k=a;a=b;b=k;
}
void main( )
{ inta=3,b=6,*x=&a,*y=&b;
fun(x,y);
cout < < a < < " " < < b;
}
A. 6 3 B. 3 6 C. 编译出错 D. 0 参考答案:B 答案解析:函数的参数不仅可以是整型、实型、字符型等数据,还可以是指针类型。它的作用是将一个变量的地址传送到另一个函数中去。在本题解析中,我们试图将这一问题解释清楚!
大家可以考虑一下利用下面这函数可不可以
第20题: [单项选择]{{B}} Questions 11 to 18 are based on the conversation you have just heard.{{/B}} A. He can hang a few more paintings. B. He can paint the wall to match the furniture. C. He can put up some more cheerful paintings. D. He can save some more room for paintings. 参考答案:C 答案解析:[听力原文]
M:look,this is my new bedroom.This is designed all by myself.How do you like the style I hav