旅游企业服务质量的最终检验员是（）。
A.顾客
B.股东
C.公众
D.总经理
参考答案：A
It was from only a few supplies that she had bought in the village the hostess cooked such a nice dinner.
A．where
B．which
C．when
D．that
胃肠道造影常用（）
A．硫酸钡
B．碘化钠
C．二氧化碳
D．泛影葡胺
E．碘化油
