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 国家开放大学 / 建筑施工技术

土层锚杆属于一种加固型支护。




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  • 3、Americans love their cars. When gas was _ 1 _ , Americans drove everywhere, even to buy something at a store two or three blocks away. On Sunday’s many families got into the car and went for a drive for an hour or two. _ 2 _ , many Americans have been changing their ideas about _ 3 _ . Today _ 4 _ walk or ride a bicycle to the store, and people think twice before they go for a drive on Sunday.     Today Americans are worried about saving energy in their homes, too. Before OPEC raised oil price, the typical American home and office building was too warm in the winter and too cool warm in the summer. Since 1973, Americans have been more careful with _ 5 _ . Many families _ 6 _ the heat to 15℃ at night and 18℃ during the day. Perhaps because of this, companies that make long underwear have been doing very well since 1973.     People _ 7 _ everywhere to find ways to save heating oil and electricity. Many people have been buying old-fashioned stoves so as to burn wood. Most people have been more careful to _ 8 _ electric lights. For several years the government has been giving tax money back to people when they improve their homes to save energy. For example, when people spend money to put new and better windows on their houses, the government returns some of their tax money.     Americans don’t like to give up their big cars, warm homes, and air conditioning, but _ 9 _ the high price of oil, they _ 10 _ . 1. A. dear             B. cheap             C. less           D. very few 2. A. Because less of money                   B. Because of so many people    C. Because of the high price of gas           D. because of so many cars in the streets 3. A. walking          B. buying            C. sleeping       D. driving 4. A. more people       B. few people        C. all people      D. no people 5. A. heating and air conditioning              B. cars and bicycles  C. food and clothing                      D. children and money 6. A. put up            B. set in            C. turn down      D. turn into 7. A. looked            B. look            C. are looking      D. have been looking 8. A. put on            B. put in            C. turn off        D. turn on 9. A. at               B. with              C. for           D. in 10. A. have a lot of choices                    B. can do many things         C. don’t have any choice                   D. walk to work英语(二)
  • 贮水池容积的确定过程中按( )来确定建筑给水排水
  • 正弦量的初相与设定的参考方向无关.( )电路
  • 企业集团内部甲子公司以发行股票方式对乙子公司进行吸收合并,在合并过程中为发行股票而发生的佣金等相关费用,应于发生时计入( )高级财务会计
  • 名词解释 用量差异管理会计学
  • 甲遇到狼群,慌不择路闯入乙家,乙要求甲立即离开,甲向其解释说外有狼群,但乙执意让甲出去,甲下跪求情,但乙仍将甲推出,最后甲被狼咬死,对于乙的行为应当如何定性? 生活中的法律