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【单选题】
H2所属的点群是下列的哪一种?A.
C∞h
B.
C2h
C.
D∞h
D.
C2v
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反馈参考答案：
举一反三
【判断题】The direct driving force of lung ventilation is the partial pressure difference of each gas
A.
正确
B.
错误
【简答题】Compute the stress in a round bar subjected to a direct tensile force of 3200N if the diameter of the bar is 10mm.
【简答题】Tên em là gì ____ ?
【单选题】我国古代有一位学者，被李约瑟誉为“中国科学制图学之父”、“完全可以和欧洲古代著名地图学家托勒密相提并论”。请问该名学者是（ ）
A.
徐霞客
B.
郦道元
C.
裴秀
D.
沈括
【简答题】请翻译:Em tên là gì?
【单选题】The direct force which drives gas in and out of lungs is ( )
A.
the difference between intrapulmonary pressure and atmospheric pressure
B.
the difference between intrapulmonary pressure and intrapleural pressure
C.
the difference between intrapleural pressure and atmospheric pressure
D.
the difference between lung elastic recoil pressure and intrapulmonary pressure
E.
the difference between thoracic elastic return pressure and intrapleural pressure
【判断题】A Peace Enforcement operation may use either direct or indirect force to coerce hostile parties to stop fighting.
A.
正确
B.
错误
【简答题】慢性胆囊炎的临床表现主要有 A．腹痛放射到右下腹 B．进食肥腻食物可诱发或加重腹痛 C．常有寒战发热、黄疸 D．Murphy征阳性 E．反酸、呕吐
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