皮肤黏膜的分界线是（）
A．肛梳
B．肛窦
C．齿状线
D．肛门外括约肌上缘
E．肛门内括约肌上缘
参考答案：C
．In the job interview, all the applicants are judged _______ their educational background and working experience.
A．in terms of
B．in favor of
C． in spite of
D．in need of
杂交水稻种子在浸种与消毒结合，一般要求（）小时
A、12
B、72
C、24
D、48
