问题
单项选择题 A1型题
直肠黏膜与肛管皮肤之间形成一条不整齐的线，称为（）
A.肛白线
B.齿线
C.括约肌间线
D.半月线
E.肛门皮肤线
答案
参考答案：B
搜题请搜索小程序“爱下问搜题”
直肠黏膜与肛管皮肤之间形成一条不整齐的线，称为（）
A.肛白线
B.齿线
C.括约肌间线
D.半月线
E.肛门皮肤线
参考答案：B
What does the speaker mean a. This news has provided very important information for his job-hunting. b. This news had mined his idea of finding a job in that company. c. This news had made him change his idea of finding a job in that company. d. This news had given him the idea of finding a job in that company sky-high.