按平时存在状态,烟雾灭火剂属于()灭火剂。
(A)气体
(B)液体
(C)固体
(D)气体、液体
参考答案:C
Is your father tall?[ ]
A. Yes, he is.
B. No, he is.
#include"stdio.h" struct date {int year=2000; int month; int day; }; main() {struct date d; d.month=1; d.day=31; printf("%d-%d-%d",d.year,d.month,d.day); } 错误:______ 改正:______