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【简答题】
面向对象程序设计的四大特点是封装、 __________、多态、抽象。
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【判断题】Word可以对文档中的重要文本进行标记,从而使文字看上去像用荧光笔做了标记。
A.
正确
B.
错误
【简答题】When discussing transportation, what should be taken into consideration?
【单选题】Meanwhile, an uncaring public barely watches, convinced that the issue has no significance, and publicity-conscious senators and politicians increasingly give way to the lobbying of animal rights acti...
A.
At the same time, th e general public seldom act like bystanders, believing that the issue is important . The senators and politicians keep making concessions to activists advocating animal rights.
B.
At the same time, the general public barely act like bystanders, believing that the issue is no big deal. The senators and politicians, who are familiar with the public issues, keep making concessions to activists who advocat e animal rights.
C.
At the same time, the general public act like bystanders, deny ing that the issue is no thing important . The senators and politicians, who are familiar with the public issues, keep making concessions to activists who advocat e animal rights.
【单选题】()是理解政治经济学的枢纽
A.
劳动二重性学说
B.
剩余价值论
C.
商品二因素
D.
私有制经济的矛盾
【简答题】设有关系模式R(运动员编号,比赛项目,成绩,比赛类别,比赛主管),用来存储每个运动员参加各项比赛的成绩以及各项比赛所属的类别和主管。如果规定:每个运动员参加一个比赛项目,只有一个成绩;每个比赛项目只属于一个比赛类别;每个比赛类别只有一个比赛主管。试回答下列问题: (1) 根据上述规定,写出关系模式R的基本函数依赖和候选码。 (2) 在函数依赖范畴内关系模式R最高属于第几范式?为什么? (3) 如果...
【简答题】What factors need to be considered when choosing transportation modes?
【单选题】下面哪一个身体部位的力量可以通过仰卧起坐运动来锻炼?()
A.
胸肌
B.
背阔肌
C.
足肌
D.
腹肌
【单选题】“理解政治经济学的枢纽”是
A.
剩余价值理论
B.
价值规律理论
C.
劳动二重性理论
D.
商品二因素理论
【单选题】When transportation costs are added to production costs, it becomes unprofitable to ship some products over a large distance. This is particularly true of products that: 当运输成本增加到生产成本时,远距离运输一些产品就变得无利可图...
A.
have a low value-to-weight ratio.具有较低的价值重量比。
B.
have a high value-to-weight ratio.拥有较高的价值重量比。
C.
can be produced only in one region.只能在一个地区生产
D.
require locally-sourced raw materials.需要本地采购的原材料
【单选题】“理解政治经济学的枢纽”是:
A.
市场经济理论
B.
剩余价值理论
C.
商品经济理论
D.
劳动二重性理论
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