为行明确诊断首选检查
A.脑血管造影
B.头颅核磁
C.脑室造影
D.ECT
E.头颅线平片
参考答案:A
Ⅱ度营养不良儿,腹泻迁延不愈,其脱水多为
A.等渗性脱水 B.低渗性脱水 C.高渗性脱水 D.低钙血症 E.高钾血症
You should __________ your post, or you will be punished by your manager.[ ]
A. stick to
B. insist on
C. persist in
D. keep on