热门试题:
[单选题]不是离子型聚合特点的是( )
A.对单体的选择性高
B.反应周期长
C. 链引发活化能低
D.聚合速率快
[判断题]车站值班员应将当日实际施工调度命令号码通知司机。
A.正确
B.错误
[不定项选择题]男,55岁,下腹痛,排便呈黏液性血便,不规律。
首先应选择哪项检查
A.X线钡剂灌肠检查
B.直肠指诊
C.纤维结肠镜检查
D.常规体检及化验
E.乙状结肠镜检查
[单项选择]多媒体通信中不同类型的数据对于通信网络的性能和服务有不同的要求。未压缩语音数据的传输要求通信带宽一般要达到______。
A. 8kbit/s
B. 16kbit/s
C. 64kbit/s
D. 256kbit/s
[单项选择]( )各级公安机关均设立督察机构。
A. 省级以上
B. 地(市)级以上
C. 县级以上
D. 全国
[单选题]调车作业时,机车乘务人员要认真确认信号,并()。
A.正确操作
B.回示
C.盯紧信号
D.要到还道
[单选题]具有自动刹车机构的气动绞车起吊重物时,操作人员( )。
A.可暂时离开绞车;
B.不得离开绞车;
C.可站在重物附近;
D.可手扶起重物。
[单选题]在220V的电源上并联接入5只灯泡,功率分别为:两只40w,一只15w,一只25w,一只100w,这5只灯泡从电源取出的总电流为(____)A。
A.40
B.1
C.100
D.5
[单项选择]制首乌所用的辅料是
A. 黄酒
B. 白酒
C. 甘草
D. 黑豆
E. 吴茱萸
[单选题]设计行车速度200~250km/h(不含)区间正线最大坡度不应大于( )。
A.20‰
B.15‰
C.25‰
D.30‰
[单选题]乘客信息显示系统可根据信息发布点地理位置提供相应的()运营信息。
A.非实时
B.实时
C.所有
D.即将实施
[单选题]《餐车油垢清理管理办法》南客安发[2009]69号规定:餐车油垢日常清理工作由( )负责检查、考核,确保餐车油垢清理及时,定期清理期间与车队干部一起进库做好督促检查交接工作,
A.列车长
B.炊事员
C.餐车长
D.厨师
[单选题]ZPW-2000A无绝缘移频自动闭塞系统小轨道调谐区分路死区不大于( )
A.5m
B.8m
C.9m
D.11m
[单项选择]在国际商务谈判中,首先提出含有较大虚头的开价,然后再讨价还价,直至达成交易的是()
A. 西欧式报价
B. 东欧式报价
C. 北欧式报价
D. 日本式报价
[简答题] 地铁时钟系统可以为哪些系统提供标准时间信号,请列举8个系统?
[单项选择]A: Would you cash these traveler's checks, please
B: ______
[单项选择]血站对献血者每次采集血液量一般为200毫升,最多不得超过400毫升,两次采集间隔期不得少于
A. 3个月
B. 4个月
C. 5个月
D. 6个月
E. 7个月
[单选题]()未编制应急预案、未组织演练不得施工
A.一般风险
B.重大风险
C.高度风险
D.中度风险
[单选题]摆式转向架铸钢摇枕上平面、侧面横裂纹长度不大于裂纹处断面周长的20%时焊修或底面横裂纹长度不大于底面宽度的( )时焊修。
A.20%
B.30%
C.40%
D.50%
[单项选择]李先生投资100万元于项目A,预期名义年收益率为10%。期限为5年,每季度付息一次。则该投资项目的有效年收益率为( )。
A. 2.01%
B. 12.5%
C. 10.38%
D. 10.20%
[判断题]转动设备的轴封装置其作用是防止介质从设备内部沿轴向外部泄漏。
A.正确
B.错误
[单选题]总队每半年,支队每季度,大队以下单位每月,应当组织()次安全分析。组织重大活动、执行危险性较大的任务,或者在敏感特殊时期、季节更替、环境转变、人员变动,以及出现倾向性安全问题、发生事故等时机,应当及时进行专题分析。
A. 1
B.2
C.3
D.4
[判断题]空调列车每节车厢垃圾箱只允许有一个,与垃圾袋配套使用。
A.正确
B.错误
[单项选择] One of the most popular literary figures in American literature is a woman who spent almost half of her long life in China, a country on a continent thousands of miles from the United States. In her lifetime she earned this country’’s most highly acclaimed literary award, the Pulitzer Prize, and also the most prestigious form of literary recognition in the world, the Nobel Prize for literature.
Pearl S. Buck was almost a household word throughout much of her life time because of her prolific literary output, which consisted of some eighty-five published works, including several dozen novels, six collections of short stories, fourteen books for children, and more than a dozen works of nonfiction. When she was eighty years old, some twenty-five volumes were awaiting publication. Many of those books were set in China, the land in which she spent so much of her life. Her books and her life served as a bridge between the cultures of the East and the West. As the product of those tw
A. capable of resolving the differences between two distinct linguistic systems
B. keenly aware of how the past could influence the future
C. capable of producing literary works of interest to both
D. equally familiar with two different cultural environments
[单选题]B-B-B-149 4 2 3
铺轨机.架桥机过轨技术检查时,检查滚动轴承车轮踏面剥离长度二处每一处均不大于( )mm。
A.40
B.50
C.60
D.70
[多选题] 公安机关办理的刑事案件,尚不够刑事处罚,依法应当给予公安机关行政处罚是,以下说法正确的有( )。
A. 办理刑事案件中取得的证据必须进行转换才能使用
B. 办理刑事案件中取得的证据,可以作为行政处罚的根据
C. 重新填写受案登记表
D. 处罚时应当依照办理行政案件程序规定作出处理决定
[单选题]某井环空体积的冲数是3200冲,钻杆内的冲数是1300冲,向井内泵入重钻井液300冲时的立管总压力为5.25兆帕,继续向井内泵入重钻井液到500冲时的立管压力为4.9兆帕,终了立管总压力是( )MPa。
A.2.5
B.3.5
C.4.5
D.5.5
[判断题]接地引下线材料、规格及连接方式要符合规定,要进行镀锌处理。
A.正确
B.错误
[单项选择]马斯洛认为需要的最高层次为()
A. 归属与爱
B. 自我实现
C. 尊重
D. 安全
E. 生理
[单项选择]中央控制室与现地测控站之间的通讯中断,导致()。
A. 有闪动的彩条布
B. 有闪动的网格线
C. 视频没有图像
D. 有闪动的雪花点
[单选题]跨越不停电电力线路,在架线施工前,施工单位应向( )书面申请该带电线路“退出重合闸”。
A.建设单位
B.调试单位
C.监理单位
D.运维单位
[多选题]根据《民用航空安全检查工作手册》第248条,“改造”是指对民航安检设备进行的软件和硬件( )、( )等。
A.升级
B.维护
C.改造
D.更换
[单选题]关于应用类鸦片药物治疗慢性疼痛综合征正确的是()
A.患者应按需用药
B.只能应用短作用的类鸦片药因患者无器质性异常
C.只能用于因疼痛而严重抑郁的患者
D.绝对禁忌用于慢性疼痛综合征
E.应考虑曾合理进行疼痛治疗的患者
[单项选择]
As the American workforce gets grayer, age discrimination will likely become a more prominent issue in the courts. It is, of course, illegal to discriminate against an employee because of his or her age, and yet it is not illegal to dismiss a worker because he has a high salary and expensive health care.
This apparent contradiction is at the heart of a raft of cases now making their way through the courts. The outcome of these cases will have broad implications for the workplace in the coming years. By 2010, the Bureau of Labor Statistics projected that more than half of all workers will be over 40—many of whom, by dint of seniority and promotions, will be earning higher than median salaries, eligible for more stock options, and carrying higher health care costs as a result of a larger number of dependents and the increased cost of health care for older workers.
Is it any wonder that a bottom-line oriented business might want to shed these workers, whose pro
A. An assertion is made and then briefly contracted.
B. A contradiction is stated and then quickly resolved.
C. A new theory is described and then qualified.
D. An apparent inconsistency is stated and its consequences outlined.
[判断题]特种作业人员应当按照国家有关规定,接受与其所从事的特种作业相应的安全技术理论培训和实际操作培训,方可上岗作业。( )
A.正确
B.错误
[单选题]护理的4个基本概念不包括哪一项( )
A.整体
B.人
C.健康
D.护理
E.环境
[单项选择]抵押担保贷款借款期限可根据借款用途、借款种类、还款能力等合理约期,最长不得超过抵押担保到期日的前()天。
A. 10
B. 20
C. 30
D. 60