热门试题:
[判断题]工程项目部应制定防触电、防坍塌、防高处坠落、防起重及机械伤害、防火灾、防物体打击等主要内容的专项应急救援预案
A.正确
B.错误
[单选题]在中山装每边的衣袖上都有三颗扣子，有人说这三颗扣子代表着孙中山的三民主义。三民主义不包括:()
A.民权主义
B.民主主义
C.民族主义
D.民生主义
[单选题] ( )不采用数控技术。
A.金属切削机床
B.压力加工机床
C.电加工机床
D.组合机床
[单选题]
关于肾小管和集合管分泌功能的说明,错误的是
A.分泌H+有利于Na+和HCO3-的重吸收
B.分泌NH3有利于排H+
C.分泌NH3排H+有利于重吸收Na+
D.分泌K+有利于重吸收Na+
E.分泌K+有利于排H+
[单选题]闭塞是保证列车在区间内运行安全的区间( )设备。
A.信号
B.联锁
C.闭塞
D.制约
[单项选择]加油机的微机控制显示操作系统安装在上机箱内，称为电脑箱。如果上下两个机箱之间间隔距离大于（），电脑箱内的微机控制显示操作系统处于安全区域，可以不按防爆要求处理。
A. 150mm
B. 150cm
C. 250mm
D. 250cm
[判断题]跨步电压触电也属于间接接触触电属于直接接触触电。
[单选题]煤矿用电气设备表面可能堆积煤粉时,允许最高标面温度为（ ）℃。
A.100
B.120
C.150
D.200
[多选题]误码性能是光纤数字通信系统质量的重要指标之一，产生误码的主要原因是传输系统的哪些原因：
A.衰耗
B.脉冲抖动
C.噪声
D.光纤接头不清洁
[单选题]为了保证人身安全，防止触电事故而进行的接地叫作()。
A.工作接地
B.重复接地
C.保护接地
D.工作接零
[单选题]光纤弯曲半径不宜( )
A.过大
B.过小
C.采用固定弯曲半径
D.无所谓
[多项选择]根据《中华人民共和国票据法》的规定，下列选项中，属于因时效而致使票据权利消灭的情形有( )。
A. 甲持有一张本票，出票日期为2004年5月20日，于2005年5月27日行使票据的付款请求权
B. 乙持一张为期30天的汇票，出票日期为2003年5月20日，于2005年6月27日行使票据的付款请求权
C. 丙持一张见票即付的汇票，出票日期为2003年5月20日，于2005年5月27日行使票据的付款请求权
D. 丁持一张支票，出票日期为2005年5月20日，于2006年4月27日行使票据的付款请求权
[单项选择]传递函数实质就是，利用拉氏变换把时间函数f（t）转化成初始条件（）的复变量S的函数F（S），从而把输入与输出复杂的微积分关系简化为用S去乘除的较简单的代数关系。
A. 为零
B. 恒定
C. 为正值
D. 为负值
[单选题]人民警察判明有下列情形，经警告无效，可以使用武器的是（）。
A. 抗拒或者阻碍人民警察依法履行职责
B. 聚众赌博
C. 结伙抢劫或者持械抢劫公私财物
D. 强行冲越人民警察为履行职责设置的警戒线
[多项选择]下列哪些属于神经肽类神经递质（）
A. P物质
B. GABA
C. 脑啡肽
D. 促肾上腺素释放的激素（TRH）
E. 多巴胺
[单项选择]七宝美髯丹的组成药物不包括
A. 赤、白芍
B. 赤、白茯苓
C. 赤、白何首乌
D. 枸杞子、菟丝子
E. 牛膝、当归、补骨脂
[判断题]《空调列车服务质量规范》规定：乘务人员进出车站时应集体列队（特殊情况除外）。
A.正确
B.错误
[单选题]用来确认网络中信息传递的源结点与目的结点的用户身份是否真实的服务是()
A.认证
B.防抵赖
C.数据完整性
D.访问控制
[多项选择]现代管理学在实践中有几个主要观点，除了战略观点、变革观点、竞争观点、风险观点、还有（）。
A. 市场观点
B. 服务观点
C. 专业化观点
D. 素质观点
[单项选择]在MMS的预先设定最早提交时间业务中发信者可预先设定提交消息最早时间。在MMSC互联时，该功能通常由（）处理。
A. 接受方MMSC
B. 发送方MMSC
C. WAPGW
D. PPG
[单项选择]国家标准《水处理剂聚合氯化铝》中规定，盐基度（质量分数）应为（）
A. 20%-50%
B. 50%-60%
C. 60%-80%
D. 50%-85%
[填空题]被世人赞美为“波罗的海的女儿”是芬兰的（）。
[单选题] 应定期测量桥上无缝线路长轨条的爬行量,并做好记录。固定区爬行量超过( ) mm时,应分析原因并及时处理。(《太原铁路局无缝线路(道岔)管理细则》4.5.11.6)
A.3
B.5
C.7
D.10
[简答题]简述《食品标识管理规定》中食品标识的定义。
[单选题]以下关于三叉神经痛治疗方法中，那种复发率最低
A.药物治疗
B.封闭治疗
C.酒精注射疗法
D.三叉神经撕脱术
E.半月神经节射频控温热凝术
[不定项选择题]共用题干
Waste Not,Want Not
1 .Bob and Clara Darlington,who own and run a farm in the North of England,have always looked for new ways of making money out of the produce they grow.Their success be-gan when they established a shop on their farm,so that people could come and buy fresh vegetables directly from them.
2 .The business was an immediate success,and soon scored top marks in a competition set up by the Farm Retail Association to find the best farm shop in the country.The Association's inspectors found the Darlingtons'shop offered excellent service and value for money as well as quality fruit and vegetable.
3 .Clara Darlington is a trained chef and,in addition to a range of home-grown foods and other local produce,she began offering a variety of prepared meals which she had made her-self in the farmhouse kitchen.A small cafe alongside the farm shop was soon added,with eve-rything that visitors could taste on the menu also being for sale in the shop.
4 .Clara admits that starting the business was expensive,and she has worked very hard, but maintains that if the product is good,the public recognize this and buy it.“I aim to offer the highest quality to our customers,whether they come in for a loaf of bread,or take a whole dinner-party menu.I take it as a compliment（恭维）if people take home one of my dishes to serve to their family and friends and get away with pretending they made it themselves.”
5 .So it was that the couple realized that they had a surplus of misshapen or damaged vegetables grown on the farm which were unsuitable for selling in the shop.Clara,not wish-ing to see them get thrown away,decided to turn them into soup.
6 .The soup met with the immediate approval of customers to the shop and Clara now produces ten different varieties.She spent much of the summer traveling up and down to London by rail,doing presentations of the soups.As a result,they are now served in first-class railway restaurant cars belonging to three companies as well as being stocked by a number of high-class London stores.
Instead of throwing the damaged vegetables away,the couple______.
A.sell fresh vegetables
B.sell as much as possible
C.offer a variety of prepared meals
D.turn them into soup
E.fill a gap in the market
F.promote her soups
[判断题]柜员登录柜面服务平台或主管进行业务授权时，应插入柜员卡，并验证指纹或输入密码，系统核验无误后，方可进行业务操作或授权。
A.正确
B.错误
[单项选择]A few weeks ago, the Food Standards Agency (FSA. in the UK issued a report evaluating nutrient levels in organic versus non-organic foods like fruits, vegetables, meats, eggs, and dairy products. It is a complete, rigorous piece of research. And they found that, in terms of nutritional content, the differences between organic and non-organic foods are negligible.
As the report states, "... organically and conventionally produced crops and livestock products are broadly comparable in their nutrient content." They did in fact find some nutritional differences between organic and non-organic foods, but concluded that it is "unlikely that these differences in nutrient content are relevant to consumer health."
So here they have a nicely delimited (界定的) study of available research with rigorous standards and a fairly worded conclusion, all publicly available to download and read on the FSA website. The reaction, not surprisingly, was spectacular. The British tabloids alternate
A. It is logic.
B. It is off the track.
C. It proposes the main point.
D. It is generally reasonabl
[判断题]专责监护人不准兼做其他工作。
A.正确
B.错误
[多项选择]工程质量会受到各种因素的影响，下列属于系统性因素的有( )。
A. 使用不同厂家生产的规格型号相同的材料
B. 机械设备过度磨损
C. 设计中的安全系数过小
D. 施工虽然按规程进行，但规程已更改
E. 施工方法不当
[多项选择]集体奖励的条件包括( )。
A. 依法查处违法犯罪活动，维护社会稳定，成绩突出的
B. 依法妥善处置群体性事件，积极参加抢险救灾，圆满完成重大活动安全保卫任务，成绩突出的
C. 加强公安基层基础建设，落实各项管理防范措施，有效预防和制止违法犯罪活动，成绩突出的
D. 加强思想政治工作，强化教育、管理和监督，提高队伍的整体素质和战斗力，成绩突出的
[填空题]通信线路是Internet的基础设施，其主要分为【 】和无线线路。
[单选题]党和国家机关、国有企业(公司)、事业单位、人民团体,在经济往来中,在账外暗中收受各种名义的回扣、手续费的,属( )行为。
A.贪污
B.受贿
C.索贿
D.收礼
[填空题](238240)柴油机调速试验，升降转速时，联合调节器波动不得超过( )次。(1.0分)
[单项选择]Plenty of families were ______ from their homes during the war.
A. evaporated
B. evacuated
C. evaluated
D. elevated
[单项选择]采取电焊方式焊补（热补）柴油机机体裂纹时，应预热机体，预热温度为（）．
A. 300--400℃
B. 400-500℃
C. 500-600℃
D. 600～700℃
[单项选择]下列各种构造中，哪一种是变质岩的构造？（）
A. 流纹构造
B. 片麻构造
C. 杏仁构造
D. 层理构造
