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[单选题]

SQL语言集数据查询、数据操作、数据定义和数据控制功能于一体,语句INSERT、DELETE、UPDATA实现下列哪类功________。





A.数据查询


B.数据操纵



C.数据定义



D.数据控制
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  • 题型描述: 阅读理解A characteristic of American culture that has become almost a tradition is to respect the self-made man - the man who has risen to the top through his own efforts, usually beginning by working with his hands. While the leader in business or industry or the college professor occupies a higher social position and commands greater respect in the community than the common laborer or even the skilled factory worker, he may take pains to point out that his father started life in America as a farmer or laborer of some sort.This attitude toward manual (体力的) labor is now still seen in many aspects of American life. One is invited to dinner at a home that is not only comfortably but even luxuriously (豪华地) furnished and in which there is every evidence of the fact that the family has been able to afford foreign travel, expensive hobbies, and college education for the children; yet the hostess probably will cook the dinner herself, will serve it herself and will wash dishes afterward; furthermore, the dinner will not consist merely of something quickly and easily assembled from contents of various cans and a cake or a pie bought at the nearby bakery. On the contrary, the hostess usually takes pride in careful preparation of special dishes. A professional may talk about washing the car, digging in his flowerbeds, painting the house. His wife may even help with these things, just as he often helps her with the dishwashing. The son who is away at college may wait on table and wash dishes for his living, or during the summer he may work with a construction gang on a highway in order to pay for his education.1、 From Para. 1, we know that in America _ _ _ _ _ _ _ _ _ . A. people feel painful to mention their fathers as labors B. people tend to have a high opinion of the self-made man C. college professors win great respect from common workers D. people can always rise to the top through their won efforts 2、 According to the passage, the hostess cooks dinner herself mainly because _ _ _ _ _ _ _ _ _ . A. she can hardly afford servants B. servants in America are hard to get C. she takes pride in what she can do herself D. It is easy to prepare a meal with canned food 3、 The underlined expression "wait on table" in Para. 2 means " _ _ _ _ _ _ _ _ _ ". A. wait to lay the table B. keep accounts for a bar C. serve customers in a restaurant D. work in a furniture shop 4、 The authorˊs attitude towards manual labor is _ _ _ _ _ _ _ . A. humorous B. negative C. critical D. positive 5、 Which of the following could be the best title of the passage? _ _ _ _ _ _ _ _ A. A Respectable Self-made Family B. The Development of Manual Labor C. American Attitude toward Manual Labor D. Characteristics of American Culture统考英语B