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在HTML语言中，＜IMG＞标记用于表示______。

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阅读下面的短文，文中有15处空白，每处空白给出了4个选项，请根据短文的内容从4个选项中选择1个最佳答案。 An Early Form of Jazz Music Music comes in many forms; most countries have a style of their own. At the turn of the last century, (51) jazz was born, America had no prominent. (52) of its own. No one knows exactly when it was invented or by whom. But it began to be (53) in the early 1890s. Jazz is America’s contribution to (54) music. In contrast to classical music, which (55) formal European traditions, jazz is spontaneous and free in form. It bubbles with energy, (56) the moods, interests, and emotions of the people. In the 1920s jazz (57) like America. And so it does today. The (58) of the music are as interesting as the music itself. American Negroes, or blacks, as they are called today, were the jazz pioneers. They were brought to the Southern states (59) slaves. They were sold to plantation owners and forced to work long hours. When a Negro died his friends and relatives (60) a procession to carry the body to the cemetery. In New Orleans, a band often accompanied the (61) . On the way to the cemetery the band played slow, solemn music suited to the occasion. (62) on the way home the mood changed. Spirits lifted. Death had removed one of their number, but the living were glad to be (63) . The band played (64) music, improvising on both the harmony and the melody of the tunes (65) at the funeral. This music made everyone want to dance. It was an early form of jazz.

A. sounded
B. felt
C. looked
D. seemed

阅读下面的短文，文章中有5处空白，文章后有6组文字，请根据文章的内容选择5组文字，将其分别放回文章原有位置，以恢复文章原貌。 Public Relations Public relations is a broad set of planned communications about the company, including publicity releases, designed to promote goodwill and a favorable image. (46) Since public relations involves communications with stockholders, financial analysts, government officials, and other noncustomer groups, it is usually placed outside the marketing department, perhaps as a staff department or outside consulting firm reporting to top management. This organizational placement can be a limitation because the public relations department or consultant will likely not be in tune with marketing efforts. (47) Although the basic purpose of public relations is to provide positive influence on the public image, this influence generally may be less than that provided by the other components of the public image mix. (48) Publicity on the other hand should not be divorced from the marketing department, as it can provide a useful adjunct to the regular advertising. (49) The point we wish to emphasize is that a firm is deluding itself if it thinks its public relations function, whether within the company or an outside firm, can take care of public image problems and opportunities. (50) Many of these have to do with the way the firm does business, such as its product quality, the servicing and handling of complaints, and the tenor of the advertising. Public relations and directed publicity may help highlight favorable newsworthy events, and may even succeed in, toning down the worst of unfavorable publicity, but the other components of the public image mix create more lasting impressions. A Publicity may be in the form of news releases that have favorable overtones for the company initiated by the public relations department. B Furthermore, not all publicity is initiated. by the firm; some can result from an unfavorable press as a reaction to certain actions or lack of actions that are controversial or even downright ill-advised. C Publicity then is part of public relations when it is initiated by the firm, usually in the form of press releases or press conferences. D Many factors impact on the public image. E It surely causes heavy losses to the company. F Poor communication and no coordination may be the consequences.

瀑布模型强调逻辑设计与物理设计清楚地划分开来，尽可能推迟程序的物理实现。快速原型仅包括未来系统的【7】，以及系统的重要接口，以提高设计效率。

在软件工程中，开发阶段包括【5】、概要设计、详细设计、编码及测试几个小阶段。