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【单选题】
数据库三级模式体系结构中,描述数据库中全局逻辑结构和特征是 _________________ 。A.
外模式
B.
内模式
C.
存储模式
D.
模式
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【简答题】One of the biggest sporting s in the world is the Olympic s.(翻译)
【单选题】在下列性状中,属于相对性状的是
A.
葵花的高茎和豌豆的矮茎
B.
南瓜果实白色对豌豆子叶花色
C.
豌豆种皮的圆滑和皱缩
D.
棉花的高茎与小麦叶子的形状
E.
月季的白花与石竹的红花
【单选题】The world's greatest sporting event, the Olympic Games, upholds the amateur ideal that ______matters is not winning but participating.
A.
anything
B.
it
C.
what
D.
everything
【单选题】The sporting ______ of the young are focused on the achievements of their heroes.
A.
expectations
B.
inspirations
C.
aspirations
D.
intentions
【简答题】What outdoor sporting activities may you seek? Such as walking, ______.
【单选题】According to paragraph 1, which of the following are microchipequipped sporting products not expected to achieve?
A.
Turning aspiring athletes into top players.
B.
Enhancing the performances of novices and non-sporting types alike.
C.
Increasing the popularity of difficult sports.
D.
Helping to boost the sales.
【单选题】历史上许多重大发明创造都是科学家们在百思不得其解中出现了思想火花和闪念从而完成的,这种火花和闪念亦称为____。
A.
初始判断
B.
初始意念
C.
想象空间
D.
抽象概念
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