某自来水厂工人,在工作中不慎吸入氯气,出现咳嗽、流泪、胸闷等症状,休息后稍缓解。下班

题型:单项选择题

问题:

某自来水厂工人,在工作中不慎吸入氯气,出现咳嗽、流泪、胸闷等症状,休息后稍缓解。下班后,自觉胸闷加重,送医院就诊。查体:口唇轻度发绀,咽部充血,双肺呼吸音减低。可闻及散在干性哕音,未闻及湿性哕音。X线胸片示:肺纹理增多、增粗。

该类气体进入呼吸道的深度主要与哪项因素有关

A.挥发性

B.水溶性

C.脂溶性

D.气体比重

E.气温

考点:公卫执业助理医师公卫执业助理医师
题型:单项选择题

A boy who was cleaning shoes in the street said to a young man     1        by, “Let me clean your shoes,    2    ?”The young man said, “No, thank you .”“You may   3   me only a pound for that, sir.” said the boy.    4        the young man refused again.
Then the boy told him that he would clean his shoes for     5   . The young man agreed to this, and soon one of his shoes was shining brightly.  The man put    6      shoe on the boy, but the boy refused to clean it unless he     7       two pounds for his work.  The young man refused to pay anything and went away.  But one looked   8  dirty that he couldn’t walk away.  He had to   9      and gave the boy    10    .  In a very short time his shoes shone brightly.
小题1:
A.passedB.passingC.passD.passes
小题2:
A.will youB.do youC.don’t youD.can you
小题3:
A.spendB.costC.takeD.pay
小题4:
A.AndB.ThenC.ButD.Or
小题5:
A.anythingB.somethingC.everythingD.nothing
小题6:
A.anotherB.othersC.the othersD.the other
小题7:
A.paidB.paysC.was paidD.pay
小题8:
A.suchB.soC.veryD.quite
小题9:
A.return backB.go awayC.come backD.leave
小题10:
A.only one poundB.half a pound
C.two poundsD.one and a half pounds
题型:单项选择题

下面对牙冠邻面的解释,错误的是()

A.前牙接触区的切龈径大于唇舌径

B.随年龄增长接触点变为接触面

C.良好接触区可分散力

D.前牙接触区靠近颈缘部位

E.后牙接触区靠近缘部位

题型:单项选择题

巡线中,哪些现象可作为管道漏水的线索?

题型:单项选择题

生产性噪音和震动的危害大小主要取决于()

A、生产过程

B、生产工艺

C、装药量

D、使用工具

题型:单项选择题

“洹水安阳名不虚,三千年前是帝都”。三千年前“帝都”的名称是()。

A.镐

B.殷

C.咸阳

D.长安

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