作模型厚薄要求,一般腭顶和口底的最薄处应保持
A.1~2mm
B.3~5mm
C.6~7mm
D.8~9mm
E.10~12mm
参考答案:B
女性,25岁,29周妊娠, * * 突然大量流血、休克,疑为前置胎盘,以下哪一项检查最合适()
A.肛诊
B. * * 检查
C.窥器检查
D.B型超声检查
E.出凝血检查
Mike likes playing ________ guitar after ________ breakfast. [ ]
A. the, the
B. a, a
C. the, a
D. the, ×