什么叫混合气体?混合气体中某种气体的浓度怎样表示?

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问题:

什么叫混合气体?混合气体中某种气体的浓度怎样表示?

考点:中石化计量岗位知识竞赛中石化计量岗位知识竞赛题库
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阅读短文,判断正误,对的(T),错的(F)。

     A boy goes to study in Japan. He finds a part-time job in a restaurant. Many Japanese students also

 work there. Their job is washing dishes (餐具).It's an easy job, but the boss (老板) says: "You must

  wash every dish seven times."At most ,the student is careful. The boss is happy with him .After one

 month, the boy finds that the boss doesn't check (检查) very often. He thinks, "There's no difference

 between five times and seven times." So he just washes five times. He works very fast. The boss is even

 happier. One day, a Japanese student asks him why he can wash so fast The student tells him the secret.

 The Japanese student is surprised  (吃惊的)  but doesn't say anything.

      A few days later, the boss knows about it and fires  (解雇)  the boy. The boy goes to other

  restaurants, but all of them say, "Go away!  You are not honest (诚实的). We don't need you. " The

 boy  is sad, but he can do nothing now.

( ) 1. The boy works as a cook in a restaurant.

( ) 2. The boss wants the young man to wash the dishes five times.

( ) 3. A month later, the young man washes the dishes five times and he works very fast.

( ) 4. The Japanese student tells the boss about the young man's cheating.

( ) 5. The young man is not an honest person.

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My uncle ____________ very well in ____________ ten years ago.[ ]

A. does, swimming

B. did, swimming

C. did, swim

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“十二刺”首见于()。

A.《针灸甲乙经》

B.《黄帝内经》

C.《难经》

D.《针经指南》

E.《针灸大成》

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微囊化方法中物理化学法又称()

A.界面缩聚法

B.喷雾干燥法

C.相分离法

D.辐射交联法

E.离心法

题型:问答题 简答题

根据《医疗机构管理条例》规定,下列说法中错误的是为()

A.医疗机构以救死扶伤,防病治病,为公民的健康服务为宗旨

B.国务院卫生行政部门负责全国医疗机构的监督管理工作

C.医疗机构基本标准由各地省级卫生行政部门根据实际情况制定

D.县级以上地方人民政府卫生行政部门应当把医疗机构设置规划纳入当地的区域卫生发展规划

E.单位或者个人设置医疗机构,必须经县级以上地方人民政府卫生行政部门审查批准

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