热门试题:
[单选题]【单选题】发明中药全身麻醉剂“麻沸散”的医家是
A.李时珍
B.张仲景
C.孙思邈
D.华佗
E.王叔和
[多选题]工作负责人、工作许可人任何一方不得擅自变更运行接线方式和安全措施,工作中若有特殊情况需要变更时,应()。
A.先取得对方同意
B.先取得工作票签发人同意
C.先取得当值调度同意
D.变更情况应及时记录在值班日志或工作票上
E.及时恢复
[多项选择]《有毒作业分级》根据生产性有毒物作业的()3项指标进行评价,对生产性毒性进行分级。
A. 毒性大小
B. 毒物浓度超标倍数
C. 毒物危害程度级别
D. 有害作业劳动时间
E. 毒物浓度
[判断题]严禁施工升降机使用超过有效标定期的防坠安全器。
A.正确
B.错误
[单项选择]两组资料中,回归系数6较大的一组()
A. r也较大
B. 较小
C. 两变量关系密切
D. r可能大也可能小
E. a也较大
[判断题]机车制动屏上按压F3为查询,按压F8为退回,按压FI为确认。( )
A.正确
B.错误
[填空题]Dear Hilda,
I’ve just heard of my mother has suddenly been
ill, and I’d like to go and see what she is. The
(77) trouble is that I can take Tom with me then.
(78) Do you think if you would possibly able to look
(79) after him for a week You have him for a week last
(80) year, and you said he had been no trouble, but had got
(81) on well with your little sister, Jane.
(82) If I could have him, I would be able to bring
(83) him along any time that suits for you. But if it is not
(84) convenient, do hesitate to say so.
(85) Yours,
Sarah
[判断题]空载变压器投入运行时,励磁涌流的最大峰值可达到变压器额定电流的6-10倍。 ( )
A.正确
B.错误
[单项选择]
It often appears that we have more to gain by speaking than by listening. One big advantage of speaking is that it gives you a chance to control others’ thoughts and actions. (36) your goal — to have a boss (37) you, to (38) others to vote for the person of your (39) , or to describe the (40) you want your hair cut — the key (41) success seems to be the (42) to speak well.
(43) obvious advantage of speaking is the chance it provides to (44) the admiration, respect, or liking of others. (45) jokes, and everyone will think you’re really a wise man.
(46) advice, and they’ll be thankful for help. Tell them all you know, and they’ll be (47) by your wisdom. (48) keep quiet and it seems as if you’ll look like a (49) nobody.
Finally, talking gives you the (50) to release energy in a way that listening can’t. When
A. What
B. Thai
C. Which
D. Whatever
[单项选择]
A new kind of machine (21) to take the place of humans. These machines can do jobs that are too dangerous for humans. (22) , they are being developed to work in nuclear power centers, deep waters and outer space.
This is how the new machines work. A machine is placed in an area far away from the person who controls it. The person wears a special hard hat with tiny television screens. The screens (23) the person see and hear exactly what the machine is seeing and hearing. This gives the person the feeling of being in the same place (24) the machine. The person controls the machine. The machine follows the person’s movements exactly. If the person raises his right arm, the machine raises the right arm, too. This means an (25) worker can do a dangerous job while (26) in a safe place. For example, a person can direct the machine (27) a bomb (28) gooing near the bomb himself.
The new machines are not exactly
A. like
B. resemble
C. as
D. the same
[单选题]电缆直埋敷设施工前应先查清(),再开挖足够数量的样洞和样沟,摸清地下管线分布情况,以确定电缆敷设位置及确保不损坏运行电缆和其他地下管线。
A.图纸
B.电缆运行记录
C.历史资料
D.电缆出厂资料
E.略
F.略
[判断题]PPPoE协议分为PPPoE发现阶段和PPPoE会话阶段。【 】
A.正确
B.错误
[单选题]烧伤低血容量性休克常发生在伤后 ( )
A.8小时以内
B.12小时以内
C.24小时以内
D.48小时以内
E.72小时以内
[判断题] 禁止用手直接拉、推导线。( ) (1.0分)
A.正确
B.错误
[单选题]电能计量装置的二次回路变动时,应按( )进行,无用的接线应隔离清楚,防止误拆或产生寄生回路。
A.文件规定
B.经审批后的图纸
C.用户要求
D.计划设计方案
[单选题]下列不属于建设工程项目总进度目标论证的工作步骤的是()。
A.调整和收集资料
B.确定施工作业的具体安排
C.进行进度计划系统的结构分析
D.编制各层(各级)进度计划
[单选题]有多电源或双电源供电的变电站,线路合环时,要经过同期装置检定,500kV电压差一般不超过额
定电压的10%,最大不超过(____)%。
A. 15
B. 20
C. 25
D. 30
[单选题]沟(槽)开挖时,应将路面铺设材料和泥土(),堆置处和沟(槽)之间应保留通道供施工人员正常行走。
A.分别堆置
B.统一堆置
C.单独堆置
D.依次堆置
E.略
F.略
[单项选择] The local host on a small network is named Earth. There is also a remote host on the network named Saturn. The system administrator of the network is in the /u/tmp directory of Earth, and starts an ftp to Saturn as root. Which of the following sequence of commands issued from the local host, Earth, will:()。 1.Change to the /u/new directory on Saturn. 2.Check to see if there is an a.out file on remote host Saturn. 3.Transfer a.out from Earth to Saturn.
A. cd /u/new ls a.out put a.out
B. cd /u/new ls a.out get a.out
C. lcd /u/new ls a.out put a.out
D. lcd /u/new ls a.out get a.out
[多选题]在CTC操作终端或计算机联锁操作终端上进行的道岔( )等设置,控制模式或操作方式转换后仍然有效,且能够解锁。
A.道岔单封
B.单锁
C.按钮封锁(戴帽)
D.区间封锁
[单选题]“横看成岭侧成峰,远近高低各不同”,形象的说明了知觉的
A.多元性
B.整体性
C.恒常性
D.理解性
E.选择性
[简答题]为什么直流锅炉运行参数的变化速度比汽包锅炉要快得多?
[判断题]飞行作业方负责直升机飞行作业的人员,由机长、副驾驶、机上操作人员、指挥人员、料场配重人员及其他保障人员等组成。
A.正确
B.错误
[填空题]已知关于x的方程|2x-3|+m=0无解,|3x-4|+n=0有唯一解,|4x-5|+k=0有两个解,则常数m,n,k之间按从大到小排列,必有()
[单项选择]液压锤是中高压()机具。
A. 手动
B. 电动
C. 液动
D. 气动
[填空题]在Visual FoxPro中,释放所有的内存变量的命令是______。
[判断题]急性中毒发生时,救护人员在抢救前要做好自身呼吸系统和皮肤的防护,以免自身中毒、使事故扩大。
A.正确
B.错误
[简答题]《消防法》中,关于消防车艇)执行火灾扑救和应急救援任务时的交通权利是如何规定的?
[多项选择]生产工艺用水包括
A. 饮用水
B. 纯化水
C. 注射用水
D. 自来水
E. 加热水
[单选题]糖尿病酮症酸中毒患者,经抢救后病情已稳定,待出院期间,你应做好的保健指导工作不包括( )
A.停止一切工作,在家休养
B.应用降糖药的注意事项
C.掌握控制饮食的具体措施
D.掌握血糖测定与注射胰岛素的方法
[单项选择]属体征的是()
A. 心绞痛
B. 风湿性关节炎
C. 颈静脉怒张
D. 甲状腺功能亢进
E. 焦虑
[单选题]张某与杨某达成协议,为杨某在网上贩卖海洛因提供网上支付结算服务。对张某应当()。
A.依照非法利用信息网络罪定罪处罚
B.依照帮助信息网络犯罪活动罪定罪处罚
C.依照贩卖毒品罪定罪处罚
D.以帮助信息网络犯罪活动罪和贩卖毒品罪数罪并罚
[单项选择]制约一国财政收入规模大小根本的因素是( )。
A. 生产发展水平
B. 分配政府
C. 生产要素
D. 价格总水平
[单选题][T]BAC008 5 1 1脱单塔高液位时,要检查( )。
A.终止槽泵
B.脱单塔泵
C.淤浆贮槽泵
D.淤浆缓冲槽泵
[单选题] 第一反抗期的年龄是( )
A.1-2岁
B.12岁左右
C.3岁左右
D.18岁左右
E.6岁左右
[单选题]A-B-B-002 4 2 3
在桥梁人行道上堆放重物时,特别是在整孔换铺轨枕或换铺轨排等作业时,必须对桥梁状态进行( )。
A.全面调查
B. 检查
C. 查看
D. 重点部位调查
[填空题]无线调车灯显设备显示( )表示紧急停车信号。