第14题: [单项选择]执行以下程序后,a,b的值分别为 main( ) in a,b,k=4,m=6,*p1=&k,*p2=&m; a=p1==&m; b=(*p1)/(*p2)+7; printf("a=%d/n", A. ; B. ;A) -1,5B) 1,6C) 0,7D) 4 参考答案:C 答案解析:[解析] int a,b,k=4,m=6,*p1=&k,* p2=&m;声明整型变量a,b,k,m和指针p1,p2,并分别将4和6赋给k和m,将k和m的地址赋给P1和p2;a =p1==&m;等价于a
第15题: [填空题]Wetlands can be thought of as "biological supermarkets" because dead plant leaves and stems break down in the water. 参考答案:N 答案解析:文章在“What are wetlands ”一段中指出“Wetlands can be thought of as‘biological supermarkets’.They provide gre