题目内容

Translate the following sentence into Chinese.The success of the hospitality industry depends on the people-pleasers. With good training and plenty of practical experience everybody can master the techniques of being nice to guests. A dissatisfied guest means a loss of potential future business for the hotel, while a pleased guest leaves the hotel with a good memory of hospitality he has enjoyed and he is likely to repeat his visit to the hotel.

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下列哪个药物的水溶液与三氯化铁显蓝紫色,其酸性水溶液加热后具有重氮化耦合反应:

A. 吲哚美辛
B. 对乙酰氨基酚
C. 利多卡因
D. 阿司匹林
E. 布洛芬

对乙酰氨基酚的主要水解产物是:

A. 苯酚与乙酸
B. 对氨基酚与乙酸
C. 苯酚与乙酰胺
D. 对氨基酚与乙酰胺
E. 对氨基酚与苯酚

边际人力成本(MFC)

边际收益服务(MRP)

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