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21-25 Over the last 25 years, British society has changed a great deal--or at least many parts of it have. In some ways, however, very little has changed, particularly where attitudes are concerned. Ideas about social class--whether a person is "working-class" or "middle-class"--are one area in which changes have been extremely slow. In the past, the working-class tended to be paid less than middle-class people, such as teachers and doctors. As a result of this and also of the fact that workers’ jobs were generally much less secure, distinct differences in life-styles and attitudes came into existence. The typical working man would collect his wages on Friday evening and then, it was widely believed, having given his wife her "housekeeping", would go out and squander the rest on beer and betting. The stereotype A. Better social security. B. More job opportunities. C. Higher living standard. D. Better legal protection. [填空题]正线、到发线以及与正线、到发线接轨而无平行进路或隔开设备的其他线路上使用木止轮器防溜时，宜与人力制动机共同使用（一批调车作业中临时防溜允许使用的除外），停留车辆的防溜应以（）为主。
[单选题]通过（ ）的融资策略，可以进一步降低融资成本，服务境外项目发展。
A.BOT B.回购式契约 C.特许经营 D.多元组合 [判断题]团体旅客不应晚于开车前24小时办理乘车签证手续
A.正确 B.错误 [判断题]肢体固定气囊主要用于运送伤员,尤其是脊(颈)椎受伤者。( )
A.正确 B.错误 [多项选择]在建设工程风险事件发生前，风险管理的目标有( )o
A. 使实际损失最小 B. 使潜在损失最小 C. 减少忧虑及相应的忧虑价值 D. 承担社会责任 E. 满足外部附加义务 [判断题]TT系统中若干用电设备的绝缘损坏不形成短路,电路中的电流保护装置动作。( )
A.正确 B.错误 [单项选择]财务分析常用的方法有比率分析法、比较分析法和趋势分析法。计算公式（本期实际数-上期实际数）/上期实际数×100%是上述三种方法中（）的一种形式。
A. 比率分析法 B. 比较分析法 C. 趋势分析法 D. A和C [判断题]港口用门座起重机在起吊1.1倍额定起重量作动载试验时，不允许作二个机构联合动作试验（）
[单项选择]口腔操作中感染传播依赖的因素是
A. 免疫状态 B. 治疗措施 C. 营养状况 D. 传播途径 E. 激素水平 [单项选择]增殖性肠结核最少见的临床表现是( )
A. 右下腹痛 B. 腹泻 C. 便秘 D. 腹部肿块 E. 腹胀 [单选题]动车组列车发生故障时，故障车停靠站台时，换乘时应尽可能安排在（ ）。
A.反方向一侧 B.同一站台面 C.左侧 D.右侧 [多选题]某日深夜，甲市中心一家具厂突发火灾，现场燃起浓浓大火。应急消防部门联合公安等 部门快速反应，迅速控制火势，救出 3 名被困工人。扑灭大火后，甲市公安局的下列后续处置 工作中恰当的做法有：
A.调查起火面积和起火原因 B.迅速控制火灾相关责任人 C.协调有关部门救助受伤人员 D.及时开展舆情监测和引导 我来回答: 提交
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