累积发病率的英文缩写是()。
A.RR
B.ID
C.AR
D.OR
E.CI
参考答案:E
When did you there? the morning of June 12th.[ ]
A. arrived, On
B. reach, In
C. get, On
D. get to , On
新生儿颅内出血的主要病因是()
A.脑血管畸形
B.血压波动过大
C.机械通气不当
D.脑缺血、缺氧或产伤
E.高渗性液体输入过快