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【单选题】
下列哪项是现病史的内容A.
生育史
B.
习惯与嗜好
C.
本次发病到就诊的时间
D.
曾患过的疾病
E.
职业与工作条件
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举一反三
【单选题】Concerning the management of sewage treatment plant using activated sludge, which of the following is correct?
A.
the plant should be prohibited to supplying air
B.
the plant should work at intervals
C.
the plant should be added disinfector in time
D.
we should check strength of activated sludge, ivory-white color is best
【简答题】活性污泥( activated sludge )
【单选题】Concerning the management of sewage treatment plant using activated sludge, which of the following is correct?
A.
The plant should be prohibited to supply air
B.
The plant should work at intervals
C.
The plant should be added disinfector in time
D.
We should check strength of activated sludge, ivory-white color is best.
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