| With unemployment rising and housing costs still
high, cities around the country are experiencing a new and sudden wave of
homelessness. Shelters are overflowing, and more people this year are sleeping
on floors in dingy social service centers, living in cars or spending nights on
the streets. In New York, Boston and other dries, homelessness is at record levels, a consequence of a faltering (摇晃的) economy that has crumbled even further after the Sept. 11 attacks. A survey by the U. S. Conference of Mayors released last week found that requests for emergency shelter in 27 cities had increased an average of 13 percent over last year. The report said the increases were 26 percent in Trenton; 25 percent in Kansas City, Mo.; 22 percent in Chicago; 20 percent in Denver; and 20 percent in New Orleans. An unusual confluence of fa A. Political. B. Social. C. Religious. D. International. [不定项选择]以下为环境保护单行法的是（）。
A. 《医疗废物管理条例》 B. 《电子废物污染环境防治管理办法》 C. 《水污染防治法》 D. 《清洁生产促进法》 [判断题]攀登训练必须严格遵守操作规程，严格检查保护设施，保护人员不得少于2人，且必须时刻保持精力集中，下方应设置缓冲垫。（）
A.正确 B.错误 [单选题]大人抱着孩子乘坐小型汽车是安全的。____
A.正确 B.错误 [单选题]以城市为重点的整个经济体制改革的中心环节是()。
A.扩大企业自主权 B.工资改革 C.物价改革 D.增强企业活力 [多选题]结构实体检验的内容应包括( )。
A.混凝土强度 B.钢筋保护层厚度 C.工程合同约定的项目 D.建设单位要求检验其他的项目 E.屋面防水、保温 [单选题]（）在所有的色彩中是明度最高的。
A.红色 B.绿色 C.蓝色 D.黄色 [名词解释]痛风
[多选题]现场勘察后，现场勘察记录应送交（）及相关各方，作为填写、签发工作票等的依据。
A.工作票签发人 B.工作许可人 C.工作负责人 D.施工负责人 [单项选择]男，56岁。高空坠落伤，查体：颈部压痛，四肢瘫痪，呼吸困难，有较重痰鸣音。X线摄片显示C4～C5骨折脱位。该患者应该首先采取的治疗措施是（）
A. 上呼吸机 B. 气管切开 C. 吸氧 D. 手术复位固定 E. 呼吸兴奋剂 [判断题](La5B1004).电路中所指电位和电压是两个不同的物理概念，但它们的单位都是V( )
A.正确 B.错误 [判断题]在进行接触网作业时,作业组全体成员须穿戴有反光标志的防护服、安全帽。(1分)
A.正确 B.错误 [多选题]通风系统主要包括( )。
A.混合箱和新风隔栅 B.送风管道系统 C.废排系统 D.回风系统 [单项选择]Sue Kirchofer got a preview of what was to come when she tried to change the beneficiary on her life insurance policy at work from her mother to her partner in early 1994. She was told that wasn’t an option. Kirchofer had worked at the industrial packaging and supply company in Seattle for nearly three years by then but was just beginning to come out about her sexuality. "They basically told me to remain invisible," she says.
Kirchofer duly kept mute about her sexual orientation at work. But a few months later, word got out that Kirchofer, a skilled soccer player, would be playing in the Gay Games in New York, an international competition that attracted more than 11,000 athletes from around the world. When she returned to work the week after the games, she was told she no longer had a job. Kirchofer had always received good marks on her job performance reviews, and had even been promoted. "I offered to take another job within the company at a lower salary, since (the owner) s A. invisible (Paragraph 1) B. mum (Paragraph 2) C. terminated (Paragraph 4) D. blind-sided (Paragraph 4) [单选题]示教作业的步骤，通常是( )①理论提示②体会练习③教学示范④抽查检验⑤讨论研究⑥归纳小结。
A.①③②④ B.①④②③ C.③①②④ D.①②③④ [填空题]正线上不应停留车辆（尽头式车站及图定不办理( )作业的正线除外）。
[单选题]自动控制系统中的静态是相的,它是指控制器的输出变化率为零。(1分)
A.对 B.错 [判断题]酒库内作业时,应避免产生火花,库房四壁应安装换气扇,库内温度或酒精浓度超过规定要求时,应及时启动换气扇。 ( )
A.正确 B.错误 [多选题]绕线型异步电动机采用在转子电路中串联变阻器的方法启动，其长处是（ ）。
A.增大启动电流 B.减小启动电流 C.增大启动转矩 D.减小启动转矩 [填空题]设y=ex，则y"=（）.
[单选题]-D-C-001 4 2 3
重型轨道无缝线路应采用(??? )级接头螺栓和高强度平垫圈。 A.8.8 B.10.9 C.10 D.12 [T/] [多项选择]下列各项中，可以缩短经营周期的有( )。
A. 存货周转率(次数)上升 B. 应收账款余额减少 C. 提供给顾客的现金折扣增加，对他们更具吸引力 D. 供应商提供的现金折扣降低了，所以提前付款 [单项选择]下述睾丸功能调控的描述，不正确的是
A. 卵泡刺激素(尿促卵泡素)主要作用于睾丸的支持细胞和生精细胞 B. 睾酮分泌量受黄体生成素的影响 C. 黄体生成素主要作用于间质细胞，因而称作间质细胞刺激素 D. 抑制素主要对黄体生成素的分泌起抑制作用 [判断题]( )离心式压缩机干气密封的密封气可采用氮气。
A.正确 B.错误 [多选题]新能源发电场、站接入电网运行的二次系统应符合《电力二次系统安全防护规定》和其他有关规定，并按照风电场（光伏电站）接入电力系统技术规定和其他有关技术标准的要求，装设（ ）及稳控装置、综合解列装置、功率预测系统和足够容量的SVG/SVC等必要的设备。
A.A.AGC B.B.AVC C.C.AYC D.D.PMU [单选题]列车运行、调车作业按规定执行车机联控，车机联控时，用语必须使用普通话，吐字清晰、准确、有力，不准拉长音,语速要适当，严禁闲谈。需重复联控时，应间隔（ ）s以上，联控后及时挂机。
A.3 B.5 C.8 D.10 [简答题]在提位时需要注意哪些问题？
[单选题]患者,男性,28岁。拟行阑尾切除术。护士提醒患者术前常规禁饮时间不得少于
A.4~6小时 B.6~8小时 C.13~15小时 D.2~4小时 E.12~14小时 [单项选择]在进行打磨轨距时，非操作人员应离开作业区至少（）m以上。
A. 4 B. 5 C. 6 [单选题]ZPW-2000A型轨道电路电缆芯线全程对地绝缘大于（）。
A.1MΩ B.2MΩ C.3MΩ D.4MΩ 我来回答: 提交
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