In an ideal world, the nation’s elite schools would enroll the most qualified students. But that’s not how it （1）Applicants whose parents are alums get special treatment, as (2) athletes and rich kids. Underrepresented minorities are also given (3) Thirty years of affirmative action have changed the character of (4) white universities; now about 13 percent of all undergraduates are black or Latino. (5) a recent study by the Century Foundation found that at the nation’s 146 most (6) schools, 74 percent of students came from upper middle-class and wealthy families, while only about 5 percent came from families with an annual income of (7) $ 35,000 or less.
Many schools say diversity—racial, economic and geographic— is (8) to maintaining intellectually (9) campuses. But Richard Kahlenberg of the Century Foundation says that even though colleges (10) they want poor kids, "
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activities, walking, cycling, football, or mountaineering. These who have a passion (21) climbing high and difficult mountains are often looked upon with astonishment. Why are men and women (22) to suffer cold and hardship, and to (23) on high mountains This astonishment is caused, probably, by the difference between mountaineering and other forms of activities (24) which men give their leisure. There are no man-made rules, as there are for (25) as golf and football. There are, of course, rules of different kinds which it would be dangerous to ignore, but it is this freedom from ma A. exist B. go C. depend D. last [单项选择]冈上肌腱位于肩腱袖（）。
A. 顶部 B. 底部 C. 中部 D. 前部 E. 后部 [多项选择]《建设工程安全生产管理条例》适用于以下哪项（）。
A. 建设工程的新建 B. 建设工程的改建 C. 建设工程的扩建 D. 救灾工程 E. 建设工程的拆除 [单选题]挖坑前,应与有关地下管道、电缆等设施的( )取得联系，明确地下设施的确切位置，做好防护措施。
A.主管单位 B.运行单位 C.维护单位 D.建设单位 [多选题]矿井发生火灾产生的烟雾对人的危害极大，主要危害是（）。
A.烟雾主要成分是一氧化碳，人吸入后会导致中毒，窒息甚至死亡 B.烟雾的高温会使人中毒、灼伤 C.烟雾能够阻挡人的视线，在撤退时容易迷失方向 D.烟雾含氧量一般能满足需要，可以不戴自救器 [单项选择]根据传染病疫情监测结果及人群免疫水平的分析，按照科学的免疫程序，有计划地使用疫苗对特定人群进行预防接种，最终达到控制和消灭相应传染病的目的（）
A. 预防接种 B. 计划免疫 C. 扩大免疫计划 D. 冷链 E. 被动自动免疫 [单选题]在邻近带电500kV线路进行工作时，人体、导线、施工机具等与带电导线的安全距离应为（）m，牵引绳索和拉绳与带电导线的最小安全距离为（）m。
A.5；7 B.6；8.5 C.9；8.5 D.10；8.5 [多选题] 电压偏离额定水平时的主要危害是:( )。
A.对照明设备.家用电器的影响 B.对交流电动机的影响 C.对电力变压器.电力电容器的影响 D.对电网经济运行的影响 [单选题]下列哪个废液不属于危险废液( )
A. 在线监测废液 B. 分析废液 C. 冷却水 [多选题]智慧家庭工程师工作岗位职责包含以下哪些内容？
A.装/移/修及上门延伸服务 B.全业务市场营销 C.线上订单交付 D.客户运营 E.客户服务 [多选题]坚持( )有机统一,是社会主义政治发展的必然要求。
A.党的领导 B.人民当家作主 C.依法治国 D.民主政治 我来回答: 提交
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