蒸汽压的高低说明液相组成中轻质组分的蒸发能力,蒸汽压越低说明液体()
A、越易汽化
B、越易冷凝
C、越难汽化
参考答案:C
A 2-year-old child is brought to the emergency room with a broken arm. Which of the following findings would lead the nurse to suspect child abuse
A. The child has bruises on the forearms.B. The child’s clothes are dirty, torn, and obviously "hand-me-downs. "C. The child’s father alters the story of the injury each time he tells it.D. The child’s mother did not come to the hospital with the chil
患者,女,45岁,自汗日久且伴心悸不寐,神疲气短,面色不华,舌质淡,脉细,其选方为()。
A.归脾汤
B.玉屏风散
C.桂枝汤
D.甘麦大枣汤
E.银翘散