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[单选题]()直接影响声音数字化的质量.
A.A:采样频率
B.B:量化位数
C.C:声道数
D.D:上述三项

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[判断题]施工现场的临时用电电力系统严禁利用大地做相线或零线
A.正确
B.错误
[单项选择]在串RL联电路中,下列计算功率因数的公式中,错误的是()
A. Cosφ=Ux/U
B. Cosφ=P/S
C. Cosφ=R/ZC
D. Cosφ=S/P
[简答题]甲签发一张金额为5万元的票据,乙作为收款人,在背书转让之前,将票据金额变造为50万元,然后将其转让给丙,则甲乙不承担票据责任,乙变造票据应承担刑事责任和民事责任。这一说法是否正确,说明理由。
[多项选择]效力待定合同的情形是( )订立的合同。
A. 无民事行为能力人
B. 无权代理人
C. 表见代理人
D. 法定代表人负责越权
E. 无处分权人处分他人财产
[单项选择]洪堡认为,()是任何政治都离不开的基础,是国家的最高原则。
A. 平等
B. 个性自由
C. 民主
D. 独立
[填空题] The chief of operations for all of Asia, Joe Hatfield has been with Wal-Mart for 31 years, 11 of them in Shenzhen, China, where he typically works 12-to 14-hour a day. In this city of seven million people just across the border from Hong Kong, Wal-Mart operates 11 (36)________ stores. They are the large big-box buildings (37)________ of Wal-Mart stores worldwide. Mr. Hatfield is (38)________over a major expansion. With 47 stores in China, Wal-Mart is in the process of doubling its China operations. Its work force of 25,000 is (39)________ expected to double during the next two years. China is (40)________ US-based Wal-Mart is expanding fastest. But Mr. Hatfield says there is no shortage of American companies that, like Wal-Mart, see fast-growing, (41)________ China as a tremendous opportunity. "I mean Pizza Huts are in cities that I would have never thought about here in China today," he said. "That I would have never dreamed of, in these (42)________cities. And
[多选题]公安机关通过某贩毒集团成员张某提供的线索,成功抓获贩毒集团的主犯刘某、朱某,并在朱某处查获了大量毒品和毒赃。下列说法正确的是()。
A.张某要求不公开真实姓名,公安机关应当予以支持
B.如果张某及其近亲属的人身安全受到威胁,公安机关应当采取必要的保护措施
C.对刘某、朱某一般不可以取保候审
D.对查获的毒品、毒赃应当随案移送、随卷保存
[多选题]2.66. 第66题
电缆故障有几种常见的类型?( )
A.接地故障
B.短路故障
C.断线故障
D.闪络性故障和混合型故障
[单项选择]Is telemarketing fraud a new concept to you Some people learn it the hard way. I’ d like to share my experience with you and tell you how not to fall for it. The other day I got a phone call Offering me a" free" vacation-for which the person on the other end said that I had to send a processing fee. I didn’t jump at it. On another day, in my letterbox there was a postcard telling me that I had won a new car, but to get the car I needed to call with my credit card number to pay for shipping charges. It sounds like a dream-come-true. But all too often, these dream deals turn out to be nightmares.
Many people fall for the fast talk, send their money or give their credit card or bank account numbers, wait for employment information or plane tickets that never show up, and find themselves poorer-sometimes by hundreds, even thousands of dollars. Even people who are usually very careful about their finances can get hooked.
Telemarketing fraud is a very business. The problem is so
A. they learn it the hard way
B. telemarketing fraud is a new concept to them
C. they have no experience of it
D. no reason mentioned in the passage
[多项选择]职业健康“培训、意识和能力”这一要素的目的和意图是()。
A. 确保组织的职业健康安全管理体系得到充分的理解并有效运行.
B. 确保员工有能力履行相应的职责,完成影响工作场所内职业健康安全任务
C. 增强员工的职业健康安全意识
D. 证实体系处于有效运行状态
E. 表明阻止对职业健康安全管理的承诺,特别最高管理者的承诺
[判断题]多回路线路同杆架设的导线,一般采用三角、水平混合排列或垂直排列。( )
A.正确
B.错误
[判断题]保持训练场地和障碍设施清洁干燥,不宜在雨天或湿滑状态下安排越障训练。
A.正确
B.错误
[单选题]在客户设备上工作,()工作前工作负责人应检查确认客户设备的运行状态、安全措施符合作业的安全要求。作业前检查多电源和有自备电源的客户已采取机械或电气联锁等防反送电的强制性技术措施。
A.开始
B.结束
C.许可
D.终结
[多选题]信息发布的工具有()。
A.钉钉
B.电话
C.传真
D.PIS
E.微博
[判断题]温度升高和压力降低对解吸有利。( )
A.正确
B.错误
[单选题] 《客户潜在需求管理全流程》明确,对于新装增容客户受限的解决措施反馈时限为( )个工作日。
A. 7
B. 10
C. 15
D. 20
[单选题]《铁路旅客运输办理细则》(铁运〔1997〕104号)规定,代用票人数栏分别全价、半价、儿童栏内用大写字体填写,不用栏用()划消。
A.“*”
B.“#”
C.“\”
D.“/”
[单选题]有一磁电系测量机构,它的满偏电流为500μA,内阻为200Ω,如果把它改制成量程为10A的电流表,应并联( )Ω的分流电阻。
A.200
B.20000
C.0.02
D.0.01
[单项选择]丙类可燃液体的闪点温度为()。
A. 低于28°C
B. 28°C ~45°C
C. 45°C ~65°C
D. 高于65°C
[填空题]People are very interested in______in the virtual world, which make them feel as if in a real world, in spite of the tech glitches.


[多项选择]施工项目投标阶段主要工作包括()。
A. 由企业决策层或企业管理层按企业的经营战略对项目做出是否投标的决策
B. 决定投标后收集掌握企业本身、相关单位、市场等诸多方面信息
C. 编制投标书
D. 做出工程造价
E. 缴纳投标保证金
[简答题]有一对称三相正弦交流电路,负载为星形连接时,线电压为380V,每相负载阻抗为10Ω电阻与15Ω感抗串接,试求负载的相电流是多少?
[判断题]测量交流电压,将万用表与要测量的电路并联,表笔不分极性。( )
A.正确
B.错误
[填空题] William Shakespeare was born in 1564, in Stratford-upon-Avon. Located in the centre of England, the town was (and still is) an important river-crossing (36)________. and market centre. His father, John, trained as a (37)________and married Mary Arden, the daughter of Robert Arden, a farmer from the (38)________village of Wilmot. We do not know when or why Shakespeare left Stratford for London, or what he was doing before becoming a (39)________actor and dramatist in the capital. There are various (40)________ and stories about the so-called "lost years" between 1585 and 1592, a period for which there is (41)________no evidence concerning his life. In 1594, Shakespeare (42)________others in forming a new theatre company, under the patronage of the Lord Chamberlain, with Richard Burbage as its leading actor. For almost 20 years Shakespeare was its (43)________dramatist, producing on average two plays a year. Burbage played roles such as Richard III, Hamlet, Othello and Lear
[判断题]触电者神志不清,判断意识无,有心跳,但呼吸停止或极微弱时,应立即用仰头抬颏法,使气道开放,并对触电者施行心脏按压。
A.正确
B.错误
[单选题]试验过程中更改接线以及试验结束后,应首先断开电源,再进行充分放电、验电后,方可检查接线或再拆除检测接线,防止( )。
A.二次开路
B.二次短路
C.设备损坏
D.人身触电
[单项选择]( )是通过发行基金单位集中投资者的资金,由基金托管人托管,由基金管理人管理和运用资金,从事股票、债券等金融工具投资的基金。
A. 证券投资基金
B. 创业投资基金
C. 生产投资基金
D. 金融投资基金
[多选题]接触网抢修要遵循“( )”的基本原则,以最快的速度设法先行供电、疏通线路并及早恢复设备正常的技术状态。
A.迅速出动
B.快速抢修
C.先通后复
D.先通一线
[多选题]下列属于危险源识别方法的是?
A.工作任务分析法
B.安全检查法
C.资料收集法
D.故障类型及影响分析法
[判断题]单相电能计量装置接线形式有两种,一种是直接接入式,一种是通过互感器接入式。
A.正确
B.错误
[单项选择]企业定额(施工定额)的编制应反映( )。
A. 社会平均水平
B. 平均先进水平
C. 社会先进水平
D. 企业实际水平
[单项选择]下列关于蛋白质二级结构的叙述,正确的是
A. 氨基酸的排列顺序
B. 每一氨基酸侧链的空间构象
C. 局部主链的空间构象
D. 亚基间相对的空间位置
E. 每一原子的相对空间位置
[多选题]塔式起重机最基本的工作机构包括()。
A.起升机构
B.限位机构
C.回转机构
D.行走机构
E.变幅机构
[多选题]危大工程应急抢险结束后,建设单位应当组织()等单位制定工程恢复方案,并对应急抢险工作进行后评估。
A.建设
B.勘察
C.设计
D.监理
E.略
F.略
[单选题]由固定的泡沫产(发)生装置及部分连接管道,泡沫消防车或机动泵,用水带连接组成的灭火系统是()。
A.固定式系统
B.半固定式系统
C.半移动式系统。
D.移动式系统。
[单项选择]肾衰竭多尿期治疗中,下列说法不正确的是()。
A. 血K+,BUN,Cr仍有可能升高
B. 按生理需要量补充K+
C. 要注意消化道出血的防治
D. 重视营养支持
E. 控制感染
[判断题]强化信用销售客户的资信跟踪调查。客户经理每周向商业客户部经理报告一次信用销售单位资信情况,每月末向商业客户部经理提交一份信用销售客户资信分析报告。( )
A.正确
B.错误
[单选题]工程建设监理规划编制完成后,必须经( )审核批准。
A.业主
B.总监理工程师
C.监理单位技术负责人
D.专业监理工程师
[单选题]在感性负载交流电路中,常用( )方法可提高电路功率因数。
A.负载串联电阻
B.负载并联电阻
C.串联电容器
D.并联电容器

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