题目内容

信息系统需求分析的任务不应包括 6 。进行需求分析可使用多种工具,但 7 是不适用的。 以下关于需求管理的描述中,不正确的是 。

A. 在获取用户需求完毕后,才能分析用户需求
B. 通过原型向用户提供可视化的界面,用户可以对需求做出自己的评价
C. 需求验证是为了确保需求说明书准确、完整地表达必要的质量特点
D. 当完成需求说明书后,需求的变更是不可避免的

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信息系统需求分析的任务不应包括 6 。进行需求分析可使用多种工具,但 7 是不适用的。

A. 数据流图(DFD)
B. 判定表
C. PAD图
D. 数据词典

Music comes in many forms; most countries have a style of their own. (1)_____ the mm of the century when jazz was born, America had no prominent (2)_____ of its own. No one knows exactly when jazz was (3)_____, or by whom. But it began to be (4)_____ in the early 1890s. Jazz is America"s contribution to (5)_____ music. In contrast to classical music, which (6)_____ formal European traditions, jazz is spontaneous and free-form. It bubbles with energy, (7)_____ the moods, interests, and emotions of the people: In the 1920s jazz (8)_____ like America. And (9)_____ it does today. The (10)_____ of this music are as interesting as the music (11)_____. American Negroes, or blacks, as they are called today, were the jazz (12)_____.They were brought to the Southern states (13)_____ slaves. They were sold to plantation owners and forced to work long (14)_____ When a Negro died his friends and relatives (15)_____ a procession to carry the body to the cemetery. In New Orleans, a band, often accompanied the (16)_____ On the way to the cemetery the band played slow, solemn music suited to the occasion. (17)_____ on the way home the mood changed. Spirits lifted. Death had removed one of their (18)_____, but the living were glad to be alive. The band played (19)_____ music, improvising on both the harmony and the melody of the tunes (20)_____ at the funeral. This music made everyone want to dance. It was an early form of jazz.

A. noticed
B. found
C. listened
D. heard

Music comes in many forms; most countries have a style of their own. (1)_____ the mm of the century when jazz was born, America had no prominent (2)_____ of its own. No one knows exactly when jazz was (3)_____, or by whom. But it began to be (4)_____ in the early 1890s. Jazz is America"s contribution to (5)_____ music. In contrast to classical music, which (6)_____ formal European traditions, jazz is spontaneous and free-form. It bubbles with energy, (7)_____ the moods, interests, and emotions of the people: In the 1920s jazz (8)_____ like America. And (9)_____ it does today. The (10)_____ of this music are as interesting as the music (11)_____. American Negroes, or blacks, as they are called today, were the jazz (12)_____.They were brought to the Southern states (13)_____ slaves. They were sold to plantation owners and forced to work long (14)_____ When a Negro died his friends and relatives (15)_____ a procession to carry the body to the cemetery. In New Orleans, a band, often accompanied the (16)_____ On the way to the cemetery the band played slow, solemn music suited to the occasion. (17)_____ on the way home the mood changed. Spirits lifted. Death had removed one of their (18)_____, but the living were glad to be alive. The band played (19)_____ music, improvising on both the harmony and the melody of the tunes (20)_____ at the funeral. This music made everyone want to dance. It was an early form of jazz.

A. demonstration
B. procession
C. body
D. much

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