【简答题】女性消费者群的心理与行为特征主要包括:()。 A挑选商品复杂细腻 B注重商品的实惠和便利 C具有较强的情感特征 D自尊自重心理强烈 E追求时髦与美感
【单选题】配电自动化信息管理子过程精度要求( )。
【单选题】The ______ feature is considered central to human language, which means two levels of 'structure'or 'patterning'.
【单选题】The central idea of the passage is that______.
A.
history should be made compulsory for the 16-year-olds
B.
history should be made compulsory for the 14-year-olds
C.
people are being cheated of something that's really good to know
D.
audiences lack education to understand classical plays
【单选题】数据库系统由外模式、模式和内模式三级模式构成。下列关于数据库系统三级模式的叙述,正确的是 。
D.
外模式/模式、模式/内模式的映像分别实现了数据的物理独立性和逻辑独立性
【多选题】在回国入境时,领队应带领旅游者到边境检查柜台前,逐一将()交给边检人员核准
【简答题】数据库系统的三级模式分别是_____、____、____ 。
【单选题】The central idea of this passage is that______.
A.
student performance improves, but at a high cost
B.
it's silly to improve achievement by extending school days
C.
lengthening the school day is impossible at most schools
D.
school time should be lengthened at any cost
【简答题】短语填空 prior to wonder at saddle with make allowances for 1.As the result of her divorce, she was obviously ______________ the double burden of playing the role of both mother and father. ...
【单选题】数据库系统由外模式、模式和内模式三级模式构成。下列关于数据库系统三级模式的叙述,正确的是 。
D.
外模式/模式、模式/内模式的映像分别实现了数据物理独立性和逻辑独立性