在经营过程中，要求从业人员做到（）
A、热情待人，拉客进门
B、讨价还价，利益最大
C、货既售出，概不退换
D、耐心周到，当好参谋
参考答案：D
---____ you _____ our new music teacher?
-- - No.But Jack said she _______ the music room.You can find her there.
A．Have seen; had gone to
B．Had; seen; had gone to
C．Did; see; has been to
D．Had; seen; Had been to
消毒供应中心工作区域包括（）。
A、去污区
B、检查、包装及灭菌区
C、无菌物品存放区
D、办公室
E、休息室
