乳痈发于 * * 深部及后位者称为（）
A.乳发
B.乳疽
C.乳疳
D.传囊乳痈
E.乳中结核
参考答案：B
The prisoner of war wished to be ______. Ten years later, he ______ free and regained his ______.
A. free ; was set ; freeB. freely ; was set ; freedomC. free ; set ; freedomD. free ; was set ; freedom
莫氏圆锥在机器制造业中应用广泛，如车床的（）等都是用莫氏圆锥。
A.主轴锥孔
B.麻花钻的柄部
C.铰刀柄
D.尾座套筒的锥孔
