热门试题:
[判断题]在污层表面的电导率一定的情况下，泄露距离越长，闪络电压越低。
A.正确
B.错误
[单选题]调整轨缝作业,接头位置应相对,正线和到发线直线误差不超过( )mm。
A.20
B.80
C.40
D.60
[多项选择]关于传染的概念，下列哪项是正确的（）。
A. 感染后是否发病主要取决于病原体特征
B. 感染病原体后不一定者发病
C. 隐性感染也属于传染过程的一种表现
D. 传染也称感染
E. 感染后是否发病取决于机体抗菌免疫能力
[判断题] 《广西电网公司供电营业职工文明服务行为规范》要求客户服务人员在客户面前可以双手抱胸,尽量减少不必要的手势动作。
A.正确
B.错误
[单选题]感应电流的方向总是使感应电流的磁场阻碍引起感应电流的磁通的变化,这一定律称为( )。
A.法拉第定律
B.特斯拉定律
C.楞次定律
[单选题]企事业单位贷款，贷款本金或利息逾期181天以上或表外业务垫款91天以上，符合（）类
A.次级
B.可疑
C.损失
D.关注
[多选题]下列属于施工成本计划的编制依据的有（ ）。
A.合同文件
B.项目管理规划大纲
C.招标文件
D.价格信息
E.相关设计文件
[单项选择]所谓 “裸机”是指（ ）。
A. 单片机
B. 单板机
C. 不装备任何软件的计算机
D. 只装备操作系统的计算机
[单选题]该病人可能并发 ( )
A.高脂血症
B.低血糖反应
C.意识障碍
D.非酮性高渗性高血糖性昏迷
E.脂肪超载综合征
[单选题]下列抗高血压药中属于血管紧张素Ⅱ受体阻断剂的是
A. 尼群地平
B. 美托洛尔
C. 硝普钠
D. 氯沙坦
[判断题]机器人码垛可以实现多规格垛型处理
A.正确
B.错误
[判断题] 机动起重机用的钢丝绳其安全系数不得小于3。( )5-6
A.正确
B.错误
[单选题]灵活就业人员缴费有个人账户的缴费比例为（ ）。
A.7%
B.8%
C.9%
D.10%
[多选题]《关于进一步做好铁路残疾人旅客专用票额车票发售工作的通知》（铁办客[2020]7号）规定()要进一步加强残疾人信息数据库的运行管理，准确掌握更新残疾人基础数据信息。
A.残联
B.退役军人事务有关部门
C.军队有关部门
D.中国国家铁路集团有限公司 (以下简称国铁集团)
[单选题]动力转换组件(PTU)可将液压动力：
A.在蓝和黄系统间互相传输
B.由绿系统单向传输给黄系统
C.在绿和黄系统间互相传输
D.由黄系统单向传输给绿系统
[单项选择]静止龋是哪种龋坏的特殊情况
A. 继发龋
B. 深龋
C. 急性龋
D. 中龋
E. 慢性龋
[单选题] 压力觉感受器位于真皮深层和( )。
A.真皮浅层
B.肌肉层
C.表皮层
D.皮下组织
[多选题] 事故整改评估按照“( )”原则,对照事故调查报告书(或事故报告,下同),核查评估事故单位和相关责任单位的整改措施落实情况。
A.实事求是
B.系统评估
C.注重实效
D.追究落实
[填空题]欠缴税款的纳税人或者他的法定代表人需要出境的，应当在出境前向税务机关结清应纳税款、（）或者（）。否则，税务机关可以通知出境管理机关（）其出境。
[单选题]如果厂商在产品市场上是一个完全竞争者，那么对于该厂商而言()。
A.MRP=P
B.MR=P
C.VMP=P
D.MRP=P？VMP
[单项选择]
C
根据下面短文回答下列问题。
When you want to make telephone calls to English people, you should know that Chinese and English people start a telephone conversation in different ways. For example, if Mr. Smith wants Mr. Liu, his Chinese friend, to answer the phone, he does not say, "Please ask Mr. Liu to answer the call." but "May I speak to Mr. Liu, please " If he wants to know who is answering the call, he asks, "Who is that " or "Is that Mr. Liu speaking " In this case, he never says, "Who are you " If Mr. Smith wants to let the other person know his name on the telephone, he says, "This is Mr. Smith speaking." He will not say, "I’m Mr. Smith./
If he wants to tell who he is on the phone, he says, "______’
A. This is Mr. Smith speaking
B. That’s Mr. Smith
C. I’m Mr. Smith
[判断题]弹簧压力表指针抖动的原因是：（1）运动部件有卡阻现象；（2）舌簧管泄漏或者堵塞；（3）游丝弹性不足或者失去弹性；（4）扇形齿轮咬合不好；（5）系统集气。（ ）
A.正确
B.错误
[单选题]消防救援人员头发应当整洁,男消防救援人员蓄发(戴假发)不得露于帽外,帽墙下发长不得超过( A )厘米。
A.1.5
B.2
C.3
D.3.5
[判断题]吊篮的电源线应有保护措施,固定在设备上,防止短路、断路。( )
A.正确
B.错误
[多选题]用超声法判断桩内缺陷的基本物理量有()。
A.声时值
B.波幅
C.信号频率变化
D.波形畸变
[单选题]钢丝绳直径为22mm时,绳卡的数量最少应为几 个。
A.3
B.4
C.5
D.6
[单项选择]在损失补偿原则的实践过程中，( )不属于保险补偿常要受到的限制。
A. 以实际损失为限
B. 以保险价值为限
C. 以保险金额为限
D. 以保险利益为限
[判断题]动车组应具有列车运行安全监控功能，对重要的运行部件和功能系统进行实时监测、故障处理指南，并能及时向动车段、动车所传输。（ ）
A.正确
B.错误
[判断题]正常利润是承担风险的报酬
A.正确
B.错误
[填空题] Although there are many skillful Braille readers, thousands of other blind people find it difficult to learn that system. They are thereby shut (61)______ from the world of books and newspapers, having to (62)______ on friends to read aloud to them.
A young scientist named Raymond Kurzweil has now designed a computer which is a major (63)______ in providing aid to the (64)______ . His machine, Cyclops, has a camera that (65)______ any page, interprets the print into sounds, and then delivers them orally in a robot-like (66)______ through a speaker. By pressing the appropriate buttons (67)______ Cyclops’’s keyboard, a blind person can "read" any (68)______ document in the English language.
This remarkable invention represents a tremendous (69)______ forward in the education of the handicapped. At present, Cyclops costs $50,000. (70)______ , Mr. Kurzweil and his associates are preparing a smaller (71)______ improved version that will sell (72)______ less than half that pric
A. A．behavior
B．expression
C．movement
D．voice
[单项选择]由探测器接收到的信号经模数转换后得到的数据称为（）
A. 像素
B. 体素
C. 原始数据
D. 重建数据
E. 显示数据
[单选题]《铁路旅客运输规程》中规定，不超过（）的指甲油、去光剂、染发剂。
A.A、10毫升
B.B、20毫升
C.C、30毫升
D.D、40毫升
[单项选择]
Mr. Smith, a passenger on the transcontinental train, appeared before the judge. A police officer claimed he had attempted to (41) paying his fare. The defendant refused to consult a lawyer (42) suggested that the officer (43) aware (44) all the circumstances. He appealed (45) the judge, when interpreting the evidence, to (46) into account the absence of any (47) criminal record in his (48) . His ticket, he said, was stolen shortly before the train crossed the international (49) . At that time and in that territory he was unwilling to (50) the incident to the local railway authorities or cancel the (51) of his journey, in (52) of the severe maltreatment (粗暴对待) to which he might be (53) . He emphasized his readiness to (54) any (55) punishment the judge imposed.
In his summary the (56) indicated he was convinced that Smith’s
A. regular
B. respective
C. reasonable
D. relative
