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【判断题】
溶质浓度对溶液表面张力的影响可用表面活化度来表示,其值越大,正吸附的影响越大
A.
正确
B.
错误
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【单选题】MATLAB中,计算复数X的幅角用( )表示。
A.
abs(x)
B.
acos(x)
C.
angle(x)
D.
asin(x)
【判断题】20文化和旅游部于2019年1月6日印发《文化和旅游部关于实施旅游服务质量提升计划的指导意见》。
A.
正确
B.
错误
【单选题】America has become a shelter for fast food consumption because______.
A.
some women are engaged in entertainments
B.
few women are able to make meals at home
C.
women are unwilling to cook for their families
D.
many women are mostly occupied with work
【判断题】两个总体方差是否不等的判断只能采用F检验。
A.
正确
B.
错误
【单选题】Go anywhere in the world__________you’II find some sort of fast-food restaurant.
A.
or
B.
and
C.
that
D.
SO
【单选题】《文化和旅游部关于实施旅游服务质量提升计划的指导意见》指出,( )度是旅游服务质量提升的重要保障。
A.
诚信制度
B.
信用制度
C.
公平公正的市场秩序制度
D.
规范制度
【简答题】(2013·高考山东卷,D)Sparrow is a fast­food chain with 200 restaurants.Some years ago,the group to which Sparrow belonged was taken over by another company.Although Sparrow showed no sign of declining,the ch...
【简答题】A.They can be got at some of the fast food restaurants. B.They can be got at most of the fast food restaurants. C.They can be got at a part of the fast food restaurants. D.They can be got at all of th...
【多选题】《文化和旅游部关于实施旅游服务质量提升计划的指导意见》中指出提升旅游服务质量的保障措施有( )。
A.
加强标准建设
B.
加强政策保障
C.
加强组织领导
D.
加强效果评估
E.
加强人才管理
【单选题】Fast food is ().
A.
Fast food is easily prepared and it's cheap.
B.
Fast food is served slowly and it S cheap.
C.
Fast food is slowly prepared.
D.
Fast food is served slowly.
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