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【单选题】
下列关于阴道分泌物检查标本采集错误的是A.
阴道分泌物通常由妇产科医师采集
B.
一般用消毒棉拭子自阴道深部或阴道穹部、宫颈管口等处取材
C.
标本采集前48h内禁止性交、盆浴、阴道灌洗和局部上药等
D.
制备成生理盐水涂片直接观察阴道分泌物
E.
制备成薄涂片，经固定、巴氏、吉姆萨或革兰染色后，进行肿瘤细胞或病原微生物检查
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【单选题】According to the passage, through which of the following does the energy released in the Sun pass be fore it becomes light?
A.
The x-ray part of the spectrum.
B.
Electromagnetic space.
C.
The solar surface.
D.
Interplanetory space.
【单选题】某污水处理建设项目需采购一批设备 ， 按照规定必须进行招标采购的的标准是单项合同估算价在
A.
48 ． 某污水处理建设项目需采购一批设备 ， 按照规定必须进行招标采购的的标准是单项合同估算价在（ ）万元人民币以上。 A ． 50
B.
． 100
C.
． 150
D.
． 200
【单选题】Which of the following is true of the tubular fluid that passes through the lumen of the early distal tubule in the region of the macula densa?
A.
It is usually hypotonic
B.
It is usually isotonic
C.
It is usually hypertonic
D.
It is hypertonic in antidiuresis
E.
It is hypertonic when the filtration rate of its own nephron decreases to 50% below normal
【单选题】Which of the following forms of energy is demonstrated through the process of combustion?
A.
Chemical energy
B.
Mechanical energy
C.
Thermal energy
D.
Electrical energy
【单选题】Through which of the following can't unhappiness come according to the author?
A.
Fear.
B.
Vain.
C.
Unlimited desires.
D.
Natural desires.
【单选题】Which of the following is true of the tubular fluid that passes through the lumen of the early distal tubule in the region of the macula densa?
A.
It is usually isotonic
B.
It is usually hypotonic
C.
It is usually hypertonic
D.
It is hypertonic in antidiuresis
E.
It is hypertonic when the filtration rate of its own nephron decreases to 50% below normal
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