问题 单项选择题

自来水的浑浊度是()。

A、1NTU

B、3NTU

C、2NTU

D、0

答案

参考答案:A

单项选择题

After winning a big game, athletes are often asked how they feel. Usually athletes say how (1) it is to win this big game. On the contrary, the fact is that losing a big game, or in my case, all the games, can be even harder.

From the spectators’ point of view, last year’s basketball (2) for my high school team was nothing (3) of an embarrassment. And (4) 0 and 20 is certainly nothing to be proud of, that season had a bigger impact on me than any other. As a team captain, I knew it probably wouldn’t be the (5) year, but did I ever think we would lose every game Of course not. Since six of our top players had graduated, it was clear that we were a (n) (6) team who would struggle. The struggle began earlier than expected, (7) , as our team center was suspended (禁赛) for the season, and two key members decided to (8) for some reason. At this point, dropping out probably passed through every player’s mind, but in the end, we all stuck if out, (9) to work still harder.

Then there came a time when even our (10) and given up on us. Personally, I felt like it was (11) worthwhile giving my all. I thought, if even the coach doesn’t believe in us, why should I But just as my hope began to (12) , a teammate called a meeting. He said," Nobody thinks we are going to win, but, as teammates and friends, we (13) it to each other to go all out every game. "

It was that moment that (14) me how to be a leader. It hit me that I certainly didn’t (15) the role. As a leader you can never quit (16) the team who looks up to you. It is one (17) to be named captain, feel great and go through the motions, but it is quite another to be a real captain and make sure everyone realizes their full (18) all the time.

I am sure it is great to go through without losing and bringing home awards. But in all honesty, I (19) the fact that my team lost every game last year. It may not help me to become a better basketball player, but it already has made me a better leader, and (20)

12().

A.fade

B.gain

C.destroy

D.grow

单项选择题

A铜业公司是某大型企业的控股子公司,2009年,A铜业公司新建采用艾萨熔炼技术生产铜及硫酸的项目,项目于2009年1月开始建设,9月10日投产运行。项目主要工艺设备有艾萨熔炼炉、电炉、余热锅炉等。艾萨熔炼炉产生的高温烟气进入余热锅炉,经热交换后产生蒸汽,热交换后的烟气经除尘净化系统处理后排放。余热锅炉设计额定蒸汽压力2.5MPa、额定蒸发量35t/h、额定蒸汽温度350℃。

2009年11月24日20时,当班调度甲听到一声巨响,随即在监控系统屏幕上看到余热锅炉房有大量蒸汽喷出。甲按照应急救援预案要求立即拉响警报,通知紧急停炉和现场人员撤离,报告公司总经理乙。乙接报后,立即向上级有关部门报告,同时赶往现场指挥救援。21时,经人员清点,仍有5名职工下落不明,乙派2名工人进入现场查看情况,因现场蒸汽太大,2名工人被烫伤。于是紧急外调防护服,救援人员穿上防护服进入余热锅炉房,发现有4名职工死亡、1人重伤。

事后查明,事故发生时余热锅炉的运行压力2.3MPa、蒸汽温度310℃,从熔炼炉到余热锅炉的冷却屏波纹金属软管爆裂,大量高温饱和蒸汽喷出,导致现场人员伤亡。此次事故的直接经济损失为420万元。

根据《企业职工伤亡事故分类》(GB6441-1986),该起事故的类别是()。

A.物体打击

B.灼烫

C.锅炉爆炸

D.容器爆炸