大便稀薄，时挟脓血，粘液，口苦而干，腹痛里急，畏寒，常时发时止，经久难愈，舌淡苔腻，

根据下列内容，在短文后空格各处填上一个恰当的的词（适当形式），使短文完整、通顺。

     About three years ago, I felt very lonely. I didn't like may classmates, my parents or anyone else. My

classmates didn't want to talk 1_______ me and my parents were always saying that other kids were better

than me. I thought I was the 2_______  unlucky person in the world.

     One day I had a big fight with one of my classmates. I was so angry 3_______  I hit him in the face.

Just at that moment, a boy stood up and 4_______ the fight. He was the monitor of our class.

     After that, he often helped me we became good 5_______. Whenever I got angry or sad, he would help

6_______  to calm down. My life began to change because of the boy, my best friend. We spent a lot of

interesting days together. As 7_______  goes by, I become happier with people and things. And it 8_______

that people around me changed, too. My parents don't shout at me 9_______ more and my classmates become

friendly to me.

     But now I can't see my best friend because he is seriously 10_______ and is staying in hospital. How I

miss the days when we were together! I hope he will be all right and come back to school soon.

下列叙述中正确的是( )。

A．算法的执行效率与数据的存储结构无关

B．算法的空间复杂度是指算法程序中指令(或语句)的条数

C．算法的有穷性是指算法必须能在执行有限个步骤之后终止

D．以上3种描述都不对

设x=011050, 则x=x&01252的值是( )。
A) 0000001000101000 B) 1111110100011001
C) 0000001011100010 D) 1100000000101000

在（）的地下维护室内工作，工作人员应轮班倒换工作。

A.聚集含量超标的有害气体

B.聚集含量不超标的有害气体

C.不含有害气体

D.有有害气体

能源效率标识的名称为“中国能效标识”，《能源效率标识管理办法》规定，下列哪些是能源效率标识应当包括的基本内容：（）

A．生产日期

B．产品规格型号

C．能源效率等级、能源消耗量

D．执行的能源效率国家标准编号