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【多选题】
根据《导游、领队引导文明旅游规范》,导游、领队人做到一岗。是指导游、领队人做到A.
引导旅游者健康旅游
B.
为旅游者提供服务
C.
提醒和警示旅游者注意安全
D.
引导旅游者文明旅游
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皮皮学刷刷变学霸
举一反三
【单选题】Thursday, the terrible noise was substituted by the grim, steady hum of search and recovery.
A.
replaced
B.
expired
C.
returned
D.
restored
【单选题】The hum of conversation _______ as the chairman mounted the rostrum.
A.
died out
B.
died off
C.
died of
D.
died away
【简答题】Hum and Hoo is an established audit practice in Deetown and has a large share of the audit services market among local businesses. Because Deetown is a relatively isolated area, many s rely on H...
【单选题】为了了解某农村地区12岁以下儿童的乙肝疫苗接种率及特点,对该地所有12岁以下儿童进行问卷调查和健康档案数据的核实,上述研究方法属于
A.
现况调查
B.
描述性研究
C.
普查
D.
回顾性队列研究
E.
观察性研究
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