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>> 高等继续教育 / 先进制造技术
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佳题速递：
主对角线以下的元素都为0的行列式叫做上三角行列式. 线性代数 行政机关违法责令停产停业的，应赔偿相对人停产停业期间的：（ ）(A) 精简原则 (B) 首长负责原则 (C) 平等原则 (D) 行政法治原则行政法 I say! Have you _ _ _ _ _ a single word I have been saying to you?A、taken inB、taken over C、taken upD、taken off新发展英语综合教程（二） 题型描述: 阅读理解With the steady increase in the amount of leisure time that people enjoy today, the importance of businesses that deal with leisure products and services is also steadily increasing. Among them, tourist industry is one of the biggest industries of this kind. Providing transportation and accommodations for tourists — and guides, brochures, souvenirs — is one of the major industries in many countries. Since people are now having longer vacations and are more and more interested in seeing other parts of the world, this business will no doubt continue to grow. Another industry obviously devoted to leisure is entertainment. Movies, TV shows, concerts and plays are usually intended for our leisure. The same can be said of most books, except textbooks. Professional sports make money because people pay to watch them in their free time. This list could be greatly extended. But even among these industries, we have mentioned only part of the picture. The people who make the TV sets and build the theatres and tourist hotels are as much a part of the leisure industry as the singers or the hotel clerks.1、 What makes leisure business important according to the passage? A. Peopleˊs leisure time is increasing. B. Improved transportation and accommodation conditions. C. More people are interested in seeing other parts of the world. D. Longer vacations are offered than before. 2、 According to the passage, the reason that tourist industry will continue to develop is _ _ _ _ _ _ . A. guides are offering better services B. transportation is more convenient C. accommodation is more comfortable D. people are more willing to travel 3、 What do we know about entertainment from the passage? A. Entertainment is the largest leisure industry. B. People are usually reluctant to pay to watch professional sports. C. Making TV sets and building theatres are also part of entertainment industry. D. Movies, TV shows, concerts and books are usually intended for our leisure. 4、 The list of entertainment industries in paragraph 2 _ _ _ _ _ _ _ _ _ _ _ _ . A. covers all the aspects of these industries B. includes textbooks into entertainment C. is not a complete picture of leisure industry D. excludes those who work behind the scene of leisure industry 5、 Whatˊs the main idea of this passage? A. Now that people have more leisure time, entertainment industry has become one of the major industries in many countries. B. Now that people have more leisure time, leisure business list is being extended. C. Now that people have more leisure time, tourist industry has become the largest industry in many countries. D. Now that people have more leisure time, leisure business is becoming more important in economic life.统考英语B 计算机操作系统的作用是（ ）。 计算机应用基础 与Lucas试剂反应最快的是 有机化学