当团队中有个别游客提出单独用餐要求时，导游员应本着“宾客至上”的服务原则，及时满足其要求。 ()
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【B20】
A. experiencing
B. determining
C. hindering
D. establishing
A．It might increase airport capacity.B．It might lower property values.C．It might lead
A. It might increase airport capacity.
B. It might lower property values.
C. It might lead to effective modification of existing jet engines.
D. It might cause more transportation costs to and from airports.
【B5】
A. means
B. descriptions
C. terms
D. languages
抽样审计结果表明样本平均值为500000元，样本标准离差为300元，因此估计的总体金额为150000000元。()
A. 正确
B. 错误
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