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【单选题】
在数据库的数据模型中,面向数据库管理系统且着重于数据在数据库系统一级实现的是A.
(逻辑)数据模型
B.
物理模型
C.
面向对象的模型
D.
概念模型
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举一反三
【多选题】Qu'est-ce que tu fais ?
A.
cet matin
B.
ce soir
C.
cet après-midi
D.
cette après-midi
【简答题】Long hours at the screen can cause aching eyes, blurred vision and headaches,experts say. In fact, eyestrain surpasses even wrist pain as the top physicalcomplaint among heavy computer users. When pee...
【单选题】Polly was a dedicated employee and a team player who did whatever it took to meet her tough deadlines, including taking work home and putting in long hours at work. In order to express his appreciatio...
A.
The manager had given each team member specific and challenging goals to help them maximize their performance.
B.
The raises and commendations were given out to the entire team, regardless of individual performance.
C.
Polly's manager had already indicated to her privately that she will be receiving a raise for her good work.
D.
Polly is a high achiever who values her personal achievements more than the trappings and rewards of success.
【单选题】My long hours at work _me SO much that all I want to do on the weekend is sleep.
A.
appear
B.
exhaust
C.
achieve
【单选题】Polly was a dedicated employee and a team player who did whatever it took to meet her tough deadlines, including taking work home and putting in long hours at work. In order to express his appreciatio...
A.
The manager had given each team member specific and challenging goals to help them maximize their performance.
B.
The raises and commendations were given out to the entire team, regardless of individual performance.
C.
Polly's manager had already indicated to her privately that she will be receiving a raise for her good work.
D.
Polly is a high achiever who values her personal achievements more than the trappings and rewards of success.
【简答题】第2题 作业3-矩阵2.ppt
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