● 阿里巴巴网的模式是“ (20) ”模式。 (20)A. B2BB. B2G C. B2C D. C2C
● 阿里巴巴网的模式是“ (20) ”模式。
(20)
A. B2B
B. B2G
C. B2C
D. C2C
● 阿里巴巴网的模式是“ (20) ”模式。
(20)
A. B2B
B. B2G
C. B2C
D. C2C
A、数据结构是刻画数据模型性质的最重要方面。
B、数据结构描述了系统的动态特性。
C、数据操作描述了系统的静态特性。
D、数据的完整性约束可以不定义,没那么重要。
(19)
A. 1976年
B. 1986 年
C. 1996年
D. 2006年
(30)
A. 是在分布、异构环境下提供保证交易完整性和数据完整性的一种环境平台
B. 屏蔽各种平台及协议之间的特性,以实现不同平台之间通信
C. 对异构环境下的数据库实现连接
D. 实现客户机图形用户接口与已有字符接口服务器应用程序之间的互操作
(47)
A. 能直接接触产品实体
B. 能更好地提供个性产品及服务
C. 能售出更高的价格
D. 能更好地体现以商家为中心的服务理念
●Extreme Programming (XP) is a discipline of software development with (71) of simplicity, communication,feedback and courage. Successful software development is a team effort-not just the development team, but the larger team consisting of customer, management and developers. XP is a simple process that brings these people together and helps them to succeed together. XP is aimed primarily at object-oriented projects using teams of a dozen or fewer programmers in one location. The principles of XP apply to any (72) project that needs to deliver quality software rapidly and flexibly.
An XP project needs a (73) customer to provide guidance. Customers, programmers,managers, are all working (74) to build the system that's needed. Customers - those who have software that needs to be developed - willlearn simple, effective ways to (75) what they need, to be sure that they are getting what they need, and to steer the project to success.
(71)
A.importance
B.keys
C.roles
D.values
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