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问题 单项选择题 B型题

呼吸道传染病房对墙壁消毒的高度要求是（）

A.1m

B.1.5m

C.2m

D.2.5m

E.到天花板

答案

参考答案：E

解析：根据肠道传染病污染物对环境的可能污染高度，确定病房消毒墙壁的高度为2m，空气传播的传染病对墙壁消毒的高度需要到顶。空气传播的传染病病原体通过飞沫或气溶胶可能的污染范围较广，包括空间的任何部位，所以空气传播的传染病对墙壁消毒高度要求到顶。

单项选择题

People are indulging in an illusion whenever they find themselves explaining at a cocktail (鸡尾酒) party, say, that they are "in computers," or "in telecommunications," or "in electronic funds transfer". The implication is that they are part of the high-tech world. Just between US, they usually aren’t. The researchers who made fundamental breakthroughs in those areas are in a high-tech business. The rest of us are （） of their work. We use computers and other new technology components to develop our products or to organize our affairs. Because we go about this work in teams and projects and other tightly knit working groups(紧密联系在一起的工作小组), we are mostly in the human communication business. Our successes stem from good human interactions by all participants in the effort, and our failures stem from poor human interactions.

The main reason we tend to focus on the（）rather than the human side of the work is not because it’s more（）, but because it’s easier to do. Getting the new disk drive installed is positively trivial compared to figuring out why Horace is in a blue funk (恐惧) or why Susan is dissatisfied with the company after only a few months. Human interactions are complicated and never very crisp (干脆的, 干净利落的) and clean in their effects, but they matter more than any other aspect of the work.

If you find yourself concentrating on the（）rather than the（）, you’re like the vaudeville character (杂耍人物) who loses his keys on a dark street and looks for them on the adjacent street because, as he explains, "The light is better there!".

If you find yourself concentrating on the（）

A．technology

B．sociology

C．physiology

D．astronomy
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多项选择题

钢铁碱性氧化工艺过程中，工件没有氧化膜形成的原因是（）。

A.溶液中铁含量过高

B.沸腾温度低

C.氢氧化钠含量低

D.氧化时间不足
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