从经济学角度分析，游客同其他消费领域的主体一样都符合（）效应最大化的共性。
A.旅游人
B.经济人
C.社会人
D.自然人
参考答案：B
You are the project manager of an IT company．You are in the process of creating a collection and filing structure that details what methods will be used to gather and store various types of information．Procedures should also cover collecting and disseminating updates and corrections to previously distributed material．Where will you include this information
A．Information retrieval syste
B．Information distribution method
C．Communications management pla
D．Project record
可治疗中暑的非处方药是（）
A.百合固金丸
B.金嗓散结丸
C.十滴水
D.京万红
E.启脾丸
