目前我国饭店市场上本土饭店集团绝大多数都是()的集团。
A．品牌输出为主
B．资本输出为主
C．专业化管理为主
D．资本输出和专业化管理并举
参考答案：D
—Do you know ______?—Yes. She is doing her homework.
A．what is your sister doing
B．what your sister is doing
C．when your sister is doing homework
D．where is your sister doing homework
直肠指检不易发现的病变是
A．肛瘘
B．外痔
C．内痔
D．肛管直肠癌
E．盆腔脓肿
