择期手术术前病人体液改变最常见的原因是（） A.精神紧张 B.禁食禁饮 C.术前用药

阅读理解。

     It's Charlie's birthday today, but he isn't feeling happy. No one wishes him a happy birthday. Mother

says nothing about his birthday. She just tells Charlie to play outside. At lunch time, his mother calls,

"Come in for lunch, Charlie!" Charlie slowly walks into his house. But the living room looks different.

Charlie sees a big "Happy Birthday" banner (横幅). Then, he sees a birthday cake, balloons, presents,

and all of his friends. "Happy birthday!" everyone shouts. Charlie's face lights up. He is happy and

surprised (吃惊). No one forgets his birthday after all!

1. What is this story about?

A. Eating cake.                    

B. Celebrating a special day.

C. Forgetting a birthday.            

D. Having fun at a friend's party

2.Why is Charlie not happy?

A. He doesn't like his party.        

B. He doesn't like his presents.

C. He wants to eat cake.            

D. He thinks people forgets his birthday.

3. Why does the living room look different?

A. There are many decorations (装饰).

B. The lights are on.

C. There is a birthday cake.        

D. There are many presents.

4. What does the underlined (划线的) word "light up" properly mean (意思是) here?

A. 点燃        

B. 容光焕发     

C. 抬起来       

D. 照亮

5. Which of the following (下面的) is not right?

A. There are many lovely things in the living room.

B. Charlie's mother plays a trick on Charlie.

C. Charlie is happy all day.    

D. No one forgets Charlie's birthday.

一般来说，采取收购公司方式进行资产重组的效果受到被收购方生产及经营现状的影响较大。（）

在分裂的细胞中能被碱性染料染成深色的物质是[ ]

A．染色体

B．蛋白质

C．DNA

D．细胞核

关于处方药的管理叙述正确的是（）

A、销售处方药的药店必须具有《药品经营许可证》

B、销售处方药的药店必须配备驻店执业药师或药师以上药学技术人员

C、处方药和非处方药必须分柜摆放

D、处方药不得开架自选销售

E、以上均对

有以下程序段：
k=5
For I=1 to 10 step 0
k=k+2
Next I
执行该程序段后，结果是______。

A．语法错误
B．形成无限循环
C．循环体不执行直接结束循环
D．循环体执行一次后结束循环