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【单选题】
患者女性,28岁.因外出春游去植物园,出现咳嗽、咳痰伴喘息1天人院.体检:体温36.5°C,脉搏90次/分,呼吸28次/分,血压110/80rnmHg,喘息貌,口唇发绀,在肺部可闻及广泛哮鸣音,该患者发病最可能的诱因是A.
花粉
B.
尘螨
C.
动物屑
D.
病毒感染
E.
精神因素
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举一反三
【单选题】The market demand curve
A.
cannot show how quantity demanded changes in response to a change in price.
B.
cannot show a change in demand for a good.
C.
is the horizontal sum of individual demand curves.
D.
is the vertical sum of individual demand curves.
E.
is upward sloping.
【简答题】运输合理化的有效措施有哪些?
【单选题】Market demand relevant to industry marketing expenditure show infinity, is said to be ( )
A.
market potential
B.
market demand
C.
product potential
D.
share potential
【单选题】The market demand is
A.
the sum of all individual demands.
B.
the demand for every product in an industry.
C.
the average quantity demanded at each price.
D.
difficult to determine and is generally an estimation for most markets.
【简答题】物流运输合理化的有效措施有哪些？
【单选题】The market demand curve is :
A.
derived by vertically summing the individual demand curves at each quantity
B.
derived by horizontally summing the individual demand curves at each price;
C.
derived by vertically summing the individual demand curves at each price
D.
independent of the individual demand curves
【简答题】实现运输合理化有哪些有效措施?
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