我国商业银行经营与管理原则的特点是( )。
A.盈利性
B.效益性
C.集中性
D.适用性
参考答案:B
Being in the hospital for six months, he felt as if he was ____ from the outside world.
A.cut out
B.cut off
C.cut up
D.put off
下列关于上切牙至食管各个平面距离的数据中,错误的是
A.食管入口约16cm
B.主动脉弓压迫食管处约23cm
C.左主支气管压迫食管处约27cm
D.横膈处狭窄约40cm
E.以上均不准确