内窥镜下隆乳术最常用切口选择（）.
A.锁骨上切口
B.胸骨下切口
C.腋部入路切口
D.脐下切口
E.以上均是
参考答案：C
—Is that your teacher?
—That_____be Mr.Wang. He has gone to Japan with his wife.[ ]
A. can't
B. mustn't
C. may not
把5去掉______个分数单位，它就变为最小的合数．
