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名词解释:配额抽样

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背景资料: 某建设单位新建一工业项目,经招标, 机电工程由具备机电工程总承包一级资格的A 安装工程公司总承包。 其中,车间内的消防工程、锅炉房工程、变电所工程由建设单位直接发包给具有专业资质的B公司。合同规定,施工现场管理由 A公司总负责,工程项目主材由A 公司提供,工程设备由建设单位指定厂家,A 公司负责采购并与制造厂商签订合同。 A、B 两个公司都分别组建了项目部。在施工过程中,发生如下事件: 事件 1:监理公司发现B公司在锅炉安装施工前,没有办理书面告知手续就进行施工,施工作业人员没有持证上岗,便指令 B 公司停工。 事件 2:由于 A 公司采购的变压器延期一个月到现场,致使B 公司发生窝工和停工,造成经济损失,B 公司向 A公司提出索赔。 事件 3:A公司在跟制造商签订采购合同以后,积极督促制造商,并且经常与之协调,保证了设备的按时供应。 事件 4:消防工程验收时,B施工单位提交的有关验收技术资料不完整,公安消防监督机构不予验收。消防工程竣工后,建设单位向公安消防监督机构提交工程消防验收申请,填写了《建筑工程消防验收申报表》,要求公安消防监督机构进行消防验收并投入使用,但公安消防监督机构不受理。 问题: 1. 在事件 1 中,说明监理公司指令B公司停工的理由。锅炉安装工程应配备哪些主要的特种作业人员? 2. 在事件 2 中, B 公司向 A 公司提出索赔,是否合理?说明理由。 3. 在事件 3 中, A 公司与供货商协调了哪些方面的问题? 4. 通过事件 4,说明消防工程验收的条件。
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Part III Cloze Directions: There are twenty blanks in the following passage. For each blank there are four choices. Choose the one that best fits into the passage and then marks your answer on the Answer Sheet. There are two factors which determine an individual’s intelligence. The first is the sort of brain he is born 61 . Human brains differ considerably, 62 being more capable than others. 63 no matter how good a brain he has to begin with, an individual will have a low order of intelligence 64 he has opportunities to learn. So the second factor is what 65 to the individual—the sort of environment in which he is brought 66 . If an individual is handicapped (受阻碍) 67 , it is likely that his brain will 68 to develop and he will 69 attain the level of intelligence of which he is 70 . The importance of environment in determining an individual’s intelligence can be 71 by the case history of the identical twins, Peter and John. When the twins were three months old, their parents died, and they are placed in 72 foster (寄养) homes. Peter was reared by parents of low intelligence in an 73 community with poor educational 74 . John, 75 , was educated in the home of well-to-do parents who has been to college. This environmental 76 continued until the twins were 77 their late teens, 78 they were given tests to 79 their intelligence. John’s I.Q. (智商) was 125, twenty-five points higher than the 80 and fully forty points higher than his identical brother. 61. A. for B. by C. with D. in 62. A. most B. some C. many D. few 63. A. But B. For C. Still D. And 64. A. if B. thought C. as D. unless 65. A. refers B. applies C. happens D. concerns 66. A. about B. up C. forward D. forth 67. A. relatively B. intelligently C. regularly D. environmentally 68. A. fail B. help C. manage D. stop 69. A. ever B. never C. even D. nearly 70. A. able B. capable C. available D. acceptable 71. A. demonstrated B. denied C. neglected D. ignored 72. A. separate B. similar C. remote D. individual 73. A. omitted B. isolated C. enclosed D. occupied 74. A. possibilities B. opportunities C. capacities D. responsibilities 75. A. moreover B. consequently C. then D. however 76. A. exception B. division C. difference D. alteration 77. A. in B. by C. at C. for 78. A. while B. since C. when D. because 79. A. estimate B. count C. decide D. measure 80. A. average B. common C. usual D. ordinary
试题分类: 大学英语四级
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Passage 2 Questions 6 to 10 are based on the following passage: The food we eat seems to have profound effects on our health. Although science has made enormous steps in making food more fit to eat, it has, at the same time, made many foods unfit to eat. Some research has shown tat 40 percent of cancer is related to the diet as well, especially cancer of the colon. Different cultures ate more prone to get certain illnesses because of the food that is characteristic in these cultures. That food is related to illness is not a new discovery. In 1945, government researchers realized that nitrates and nitrites, commonly used to preserve color in meats, and other food additives, caused cancer. Yet these carcinogenic additives remain in our food, and it becomes more difficult all the time to know which things on the packaging labels of processed food are helpful or harmful. The additives that we eat are not all so direct. Farmers often give penicillin to beef and poultry, and because of this, penicillin has been found in the milk of treated cows. Sometimes similar drugs are administered to animals not for medicinal purposes, but for financial reasons. The farmers are simply trying to fatten the animals in order to obtain a higher price on the market. Although the Food and Drug Administration (FDA) has tried repeatedly to control these procedures, the practices continue. 6. How has science done a disservice to mankind? A. Because of science, most of the foods we eat today are contaminated. B. It has caused a lack of information concerning the value of food. C. As a result of scientific intervention, some potentially harmful substances has been added to our food. D. The scientists have preserved the color of meats, but not of vegetables. 7. What are nitrates used for? A. They preserves flavor in packaged foods. B. They preserve the color of meats. C. They are the objects of research. D. They cause the animals to become fatter. 8. The FDA has tried repeatedly to control . A. the attempt to fatten the animals B. the attempt to cure sick animals C. the using of drugs to animals D. the using of additives to preserve the dolor of food 9. The word “carcinogenic” means most nearly the same as . A. trouble-making B. color-retaining C. money-saving D. cancer-causing 10. Which of the following statements is NOT true? A. Drugs are always given to animals for medical reasons. B. Some of the additives in our food are added to the food itself and some are given to the living animals. C. Researchers have known about the potential hazards of the food additives for over thirty-five years. D. Food may cause forty percent of cancer in the world.
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