显示肺尖部病变的最佳体位是
A.前后位
B.后前位
C.前凸位
D.左侧位
E.右侧位
参考答案:C
解析:前凸位使锁骨投影于肺尖上方,前、后肋骨均呈水平,肺尖显示清晰。
-How come a simple meal like this costs so much?
-We have________in your bill the cost of the cup you broke just now.[ ]
A.added
B.included
C.charged
D.contained
羊水过少的羊水量是()
A.2000ml
B.>2000ml
C.1000ml
D.500ml
E.<300ml