October 1 is _________. A: May Day B: Children’s Day C: National Day D: New Year’s Day

以下关于枚举类型的使用，正确的是_____ A: enum{mon, tue, sat, thu, fri, wed, sun} day_1; B: enum BOOL{NO, YES};BOOL judge = NO;BOOL decision = 1; C: 有如下定义：enum MONTH{JAN, FEB, MAR, APR, MAY, JUN, JUL, AUG, SEP, OCT, NOV, DEC}mon;mon=MAY;语句 printf("%s\n", mon); 将输出“MAY” D: enum WEEKDYA{Sun=7, Mon=1, Tue, Wed, Thu, Fri, Sat }day;Tue=3;day=Tue;

______is the Canada Day, the National Day of Canada. A: May 1 B: July 4 C: October 1 D: July 1

DHCP服务器配置时，指定分配地址的租期为1天20小时的命令是（） A: lease day 1 hour 20 B: excluded-ip-address day 1 hour 20 C: lease 1 day 20 hour D: gateway-list 1 day 20 hour

On October 1, the Chinese people celebrated ____ with new achievements and victories. A: National Day B: the National Day C: our National Day D: a National Day

下面程序的输出结果是( )。#include <;stdio.h>;enum DAY{MON=1, TUE, WED, THU, FRI, SAT, SUN};int main(){enum DAY day;day = TUE;printf("%d",day);return 0;} A: TUE B: 0 C: 1 D: 2

用switch语句实现以下功能:定义变量day从键盘输入day的值(1~7)如果day是1,输出“今天星期一”;如果day是2,输出“今天星期二”如果day是3,输出“今天星期三”如果day是4,输出“今天星期四”如果day是5,输出"今天星期五"如果day是6,输出"今天星期六"如果day是7,输出“今天星期天”

When was October 1 adopted as National Day?

St. Valentine's Day is a special day for lovers. A: True B: False C: Blank 1 D: Blank 2

1、What day __________yesterday ? A: will be B: is C: was D: being