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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。
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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.
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.
Lazy Shy Live in a cave Those might not be positive attributes for the average human, but they sure are good for animals trying to survive in a changing environment. According to a new study, beasts that hibernate(冬眠)or crawl into holes are less likely to be listed as endangered than those that don"t. Following up a previous study on extinct animals, which showed that species exhibiting "sleep or hide"(SLOH)behaviors did better than others, the researchers wanted to see if the same was true of modern creatures like moles and bears. To find out if our more timid animals havea leg upin the survival game, researchers made a master list of 443 sleep-or-hide mammals. With their list in hand, the team compared their 443 to the "red list" of endangered species published by the International Union for Conservation of Nature. As suspected, a sleepy or hiding animal was less likely to be on the red list than a regular animal, and a red-list animal was also less likely to be a SLOH-er. This makes a lot of sense, as animals that hide away in a cave or a tree hole are protected by their physical shelters from a variable environment outside, while hibernators enjoy a flexible metabolism(新陈代谢)that can help them adapt to a changing climate. According to the passage, red-list animals are more likely to______.
Lazy Shy Live in a cave Those might not be positive attributes for the average human, but they sure are good for animals trying to survive in a changing environment. According to a new study, beasts that hibernate(冬眠)or crawl into holes are less likely to be listed as endangered than those that don"t. Following up a previous study on extinct animals, which showed that species exhibiting "sleep or hide"(SLOH)behaviors did better than others, the researchers wanted to see if the same was true of modern creatures like moles and bears. To find out if our more timid animals havea leg upin the survival game, researchers made a master list of 443 sleep-or-hide mammals. With their list in hand, the team compared their 443 to the "red list" of endangered species published by the International Union for Conservation of Nature. As suspected, a sleepy or hiding animal was less likely to be on the red list than a regular animal, and a red-list animal was also less likely to be a SLOH-er. This makes a lot of sense, as animals that hide away in a cave or a tree hole are protected by their physical shelters from a variable environment outside, while hibernators enjoy a flexible metabolism(新陈代谢)that can help them adapt to a changing climate. In the last paragraph the author______.
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