穿无菌手术衣和戴无菌手套后，不能接触的有菌地带是（）
A.背部
B.腰部以下
C.肩部以上
D.侧胸部
E.上肢
参考答案：A
I _______ you for sixteen years and I still don't know what goes on in your mind. [ ]
A. have married
B. have got married to
C. have married with
D. have been married to
装饰平面图剖切到的部位用（），看到的用（）。
A.粗线；细线
B.细线；粗线
C.粗线；点画线
D.细线；点画线
