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【单选题】
验证性实验有三种教法，其中“教师讲授和演示一段，学生跟着观察和操作一段”是A.
分段式操作
B.
独立式操作
C.
探究式操作
D.
模仿式操作
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反馈参考答案：
举一反三
【简答题】节流装置属于( ) 、变压差的一种测量方法, 转子流量计属于恒压差,( ) 的一种测量方法。
【单选题】Premature infants have apnea, mainly because of
A.
relatively small number of alveoli（肺泡）
B.
The respiratory center is relatively immature.
C.
few alveolar surfactant（肺泡表面活性剂）
D.
weak intercostal muscle（肋间肌肌力弱）
E.
high position of diaphragm （膈肌）
【单选题】premature infants, 1 day old, with a history of asphyxia, 1 day after birth, restlessness, brain screams, should be considered as
A.
neonatal septicemia
B.
neonatal purulent meningitis
C.
Neonatal Intracranial Hemorrhage
D.
neonatal tetanus
E.
neonatal pneumonia
【单选题】While caring for several premature infants in the incubator(温箱),which of the following actions would be most important for preventing nosocomial infections in these newborns?
A.
Using sterile supplies for all treatments.
B.
Performing thorough hand-washing before giving infant care.
C.
Donning cover gowns for nurses and visitors to the unit.
D.
Wearing a mask, and changing it frequently when giving care.
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