戊戍变法的性质是 [ ]
A、资产阶级改良运动
B、统治集团内部争权夺利的斗争
C、一场思想启蒙活动
D、资产阶级改革运动
答案：A
Which of the following signs or symptoms would the nurse expect to see in a client with pancreatitis
A. Bradycardia.B. Hypertension.C. Decreased white blood cell count.D. Left upper quadrant abdominal pain.
下列有关肺泡表面活性物质生理作用的叙述，哪项错误（）
A.降低肺泡表面张力
B.稳定肺泡内压
C.维持肺泡于适当的扩张状态
D.维持肺的回缩力
E.阻止血管内水分滤入肺泡
