实验室有四个药品橱，已存放如下药品： 橱甲橱乙橱丙橱丁橱药品盐酸、硫酸氢氧化钠、

一个趋势经过了很长时间、接近于尾声的时候，楔形也会出现在顶部或底部而作为反转形态。( )

阅读短文，选择正确的答案。

      I have a good friend in my home. It's a cat. Its name is Mimi. It's white and yellow. It's very beautiful. I

play with it after school. Mimi likes to play with a ball.

      My friends Mary and Alice come to see it. But they can't see it, because it is in a box.

      In the evening, it likes to play on my desk. But I must study at my desk, so I put it down on the ground.

      I like Mimi very much.

1. Mimi is the name of a _____________.

A. boy

B. girl

C. cat

2. _____________ is my good friend in my home.

A. Mary

B. Alice

C. Mimi

3. Mimi is _____________.

A. white

B. yellow

C. white and yellow

4. Mimi likes to play with _____________.

A. a ball

B. Alice

C. a bird

5. Mimi likes to play _____________ in the evening.

A. on the ground

B. on my desk

C. in the box

为了确定信息在网络传输过程中是否被他人篡改，一般采用的技术是______。

A．防火墙技术

B．数据库技术

C．消息认证技术

D．文件交换技术

制定学校规章制度的意义是什么？

阅读下面程序，则执行后的输出结果是______。
#include"stdio.h"
main()
int x, y, 2;
x=1; y=2; z=3;
if(x＞y)if(x＞z)printf("%d", x);
else printf("%d", y);
printf("%d\n"，z);