相关试题
【单选题】
串联电路中各电阻两端电压的关系是___。
A. 各电阻两端电压相等
B. 阻值越小两端电压越高
C. 阻值越大两端电压越高
【单选题】
确定正弦量的三要素为 ___。
A. 相位、初相位、相位差
B. 最大值、频率、初相角
C. 周期、频率、角频率
【单选题】
当电压为5V时,导体的电阻值为5欧,那么当电阻两端电压为2V时,电阻值为___欧。
【单选题】
对称负载接成星形时,三相总电流___。
A. 等于零
B. 等于其中一相电流的三倍
C. 等于其中一相电流。
【单选题】
一段有源支路如图1所示,AB两端的电压UAB为___。
A. 10 V
B. —2V
C. 2V
D. —10V
【单选题】
如图2电路中,等效电阻=___
A. 150Ω
B. 900Ω
C. 600Ω
D. 100Ω
【单选题】
电流表的读数是4A,则电路中电流表的读数是 ___
【单选题】
在R、L、C串联电路中,已知=3Ω,=5Ω,=8Ω,则电路的性质为 ___。
A. 感性
B. 容性
C. 阻性
D. 不能确定
【单选题】
工业生产中大量的设备均为感性负载,功率因数往往很低,常采取___的方法来提高电网的功率因数。
A. 并联电容
B. 串联电容
C. 串联电感
D. 并联电感
【单选题】
交流电压表及电流表指示的数值是___
A. 平均值
B. 有效值
C. 最大值
D. 瞬时值
【单选题】
RLC串联电路发生谐振,,R=10Ω,Ω,则谐振时的感抗为___
A. 10Ω
B. 40Ω
C. 20Ω
D. 30Ω
【单选题】
RL从电路获得最大功率,此时RL=___。
【单选题】
使用电解电容时___。
A. 负极接高电位,正极接低电位
B. 正极接高电位,负极接低电位
C. 正极接高电位,负极也可以接高电位
D. 不分正负极
【单选题】
开关接1时,电压表的读数为___。
A. 0V
B. 0.2V
C. 1.96V
D. 2V
【单选题】
开关接2时,电流表的电流为___。
A. 0A
B. 10A
C. 0.2A
D. 约等于0.2A
【单选题】
开关接1时,电流表中流过的短路电流为___。
A. 0A
B. 0.2A
C. 10A
D. 约等于0.2A
【单选题】
正弦交流电常用的表达方法有___。
A. 解析式表示法
B. 波形图表示法
C. 相量表示法
D. 以上都是
【单选题】
电感两端的电压相位超前电流___。
A. 90°
B. 180°
C. 360°
D. 30°
【单选题】
电容两端的电压相位滞后电流___。
A. 30°
B. 90°
C. 180°
D. 360°
【单选题】
应用戴维南定理求含源二端网络的输入等效电阻是将网络内各电动势___
【单选题】
LC 选频振荡电路,当电路频率等于谐振频率时,电路性质为___。
A. 电阻性
B. 感性
C. 容性
D. 纯电容性
【单选题】
阻值为4Ω的电阻和容抗为3Ω的电容串联,总复数阻抗为___
A. 3+j4
B. 3-j4
C. 4+j3
D. 4-j3
【单选题】
电动势为10V,内阻为2Ω的电压源变换成电流源时,电流源的电流和内阻是___
A. 10A,2Ω
B. 20A,2Ω
C. 5A,2Ω
D. 2A,5Ω
【单选题】
电流为5A,内阻为2Ω的电流源变换成一个电压源时,电压源的电动势和内阻为___
A. 10V,2Ω
B. 2.5V,2Ω
C. 0.4V,2Ω
D. 4V,2Ω
【单选题】
额定电压都为220V的40W、60W、100W三灯泡串联在220V的电源中,它们的发热量由大到小排列为___
A. 100W 60W 40W
B. 40W 60W 100W
C. 100W 40W 60W
D. 60W 100W 40W
【单选题】
在正弦交流电的解析式i=ImSin(ωt +φ)中,φ表示___
A. 频率
B. 相位
C. 初相位
D. 相位差
【单选题】
正弦交流电压u=100Sin(628t + 600)V,它的最大值为___。
A. 100 V
B. 100 V
C. 60V
D. 628 V
【单选题】
能表示容性电路电压与电流关系的相量图是___。
【单选题】
电路中___定律指出:流入任意一节点的电流必定等于流出该节点的电流。
A. 欧姆
B. 基尔霍夫电流
C. 楞次
D. 基尔霍夫电压
【单选题】
已知电源电压为12 V ,四只相同灯泡的工作电压都是6 V,要使灯泡都能正常工作,则灯泡应___
A. 全部串联
B. 两只并联后与另两只串联
C. 两两串联后再并联
D. 全部并联
【单选题】
用戴维南定理分析电路“入端电阻”时,应将内部的电流源___处理。
【单选题】
任何一个含源二端网络都可以用一个适当的理想电压源与一电阻___来代替。
A. 串联
B. 并联
C. 串联或并联
D. 随意联接
【单选题】
用交流电流表测得交流电流10A,则电路中电流的最大值为___。
A. 10A
B. 14.1A
C. 20A
D. 70.7A
【单选题】
如右图所示电路中,已知各支路的电流I1=I2=10A, 则电路的总电流I为___。
A. 20A
B. 0 A
C. 14.1A
D. 50A
【单选题】
1杂质半导体中多数载流子的浓度取决于___
【单选题】
2在电场作用下,空穴与自由电子运动形成的电流方向___
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【填空题】
immune to , fall in love with , go along with, on one's behalf, be filled with , take the liberty of , expel from , be pessimistic about
Since the great scandals in banking,many people in the Country have[ ]the prospects of economic recovery within a few years.
【填空题】
immune to , fall in love with , go along with, on one's behalf, be filled with , take the liberty of , expel from , be pessimistic about
The parents were quite happy to[ ]our suggestion because had taked their most important concernsinto consideration.
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
1When employees participated in the problem-solving process, they were muchvmore willing to [ ] solutions to the problems.___
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
2 A strong police force has been placed between the two [ ]group in the village to prevent fighting and killing.___
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
3 Although personally we believe this to be of only secondary importance, its potential role in [ ] innovative acts cannotbe.___
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
4Though many things have been changed culturally, there is a commitment and sense of responsibility that have not yet been [ ] in today's society___
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
5 Western nations have older and shrinking populations since they entered the 21stcentury and their [ ] birth rates have also posed problems___
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
6 She didn't want to marry him and was [ ] against him because he had only a bachelor's degree and didn't meet her expectations for marriage.___
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
7 The president is in trouble and will have to work hard to [ ] his credibility after people discovered that he was not telling the truth.___
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
8 To study a number of subjects in the humanities has been both enjoyable and [ ]providing me with a new and different perpective on the world in which we live.___
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
9 People are concerned about the environment issue because air and water pollution notonly affects everyone's health but also makesit difficult for businesses to [ ].___
【填空题】
enlighten, discard, restore, fluctuate,prejudice ,
profit , rival, motivate,implement, investigate
10 Instead of ignoring or envying successful students, I made it my mission to [ ]the mysterious causes of their success and greatness.___
【填空题】
be measured in , come in handy , be exhausted from ,
impose on , attached to, cling to , pay a big price , revolve around
1Though he was 80 years old, blind and hardly able to walk, his family [ ]him so much that they could hardly bear the thought of his death.___
【填空题】
be measured in , come in handy , be exhausted from ,
impose on , attached to, cling to , pay a big price , revolve around
2The support our volunteers provide to the community as well as society cannot [ ] purely practical terms, and their continuing contribution is vital.___
【填空题】
be measured in , come in handy , be exhausted from ,
impose on , attached to, cling to , pay a big price , revolve around
3 Please don't forget the Tourist Guide , which should [ ] when you travel to different places in Asia And Europe for the next few weeks.___
【填空题】
be measured in , come in handy , be exhausted from ,
impose on , attached to, cling to , pay a big price , revolve around
4 These people living in this area are still [ ] their traditions which give their life meaning and help them in answering many questions.___
【填空题】
be measured in , come in handy , be exhausted from ,
impose on , attached to, cling to , pay a big price , revolve around
5You will [ ]for not learning Enghsh; yod never know how much you will miss without being able to speak English.___
【填空题】
be measured in , come in handy , be exhausted from ,
impose on , attached to, cling to , pay a big price , revolve around
6 If you [ ] travel and trying to adjust to a new time zone, you may not be ready to face the new challenging environmen yet.___
【填空题】
be measured in , come in handy , be exhausted from ,
impose on , attached to, cling to , pay a big price , revolve around
7 The general manager of the company intends to introduce new management courses, and tighter controls will be [ ] management to raise efficiency.___
【填空题】
be measured in , come in handy , be exhausted from ,
impose on , attached to, cling to , pay a big price , revolve around
8 Class discussions next week will [ ] the importance of love, communication and a close relationship between parents and their children.___
【单选题】
1:手机银行客户自助签约账户数量___。
【单选题】
2:手机银行贴膜卡通过什么渠道实现银行业务的操作___
【单选题】
3:客户如何开通手机银行贴膜卡业务?___
A. 银行柜面办理
B. 客户网上自行下载办理
C. 以上两种方法都可以
【单选题】
4:手机贴膜卡的初始密码是___。
A. 123456
B. 456789
C. 111111
D. 000000
【单选题】
5:手机贴膜卡收取的短信费是多少___元。
A. 0.2
B. 0.1
C. 0.15
D. 0.25
【单选题】
6:手机银行支付时产生的费用是什么?___
A. 网络流量费
B. 手机话费
C. 不产生费用
【单选题】
7:贴膜卡是通过什么渠道来实现银行业务功能___
A. 网络
B. 加密短信
C. 蓝牙
D. 红外线
【单选题】
1:___负责特约商户资料的审核 报送和保管,负责特约商户的日常管理 结算资金的监控分析,负责布放POS机具和对POS机具的检查 维护 监控。
A. 收单业务员
B. 客户经理岗
C. 信息管理岗
D. 风险专管员
【单选题】
2:各种表格中,商户开户名称的填写一定要和___一致。
A. 法人名称
B. 店名
C. 综合业务系统中的开户名称
D. 商户名称为商户对外使用的名称。
【单选题】
3:对强制退出的特约商户,应及时停止该商户交易,否则造成的损失,由___承担。
A. 银联特约商户
B. 收单行
C. 中间业务部
D. 电子银行部
【单选题】
4:___在获取收单业务收益的同时,承担由此项业务带来的全部风险。
A. 银联特约商户
B. 收单行
C. 中间业务部
D. 电子银行部
【单选题】
5:特约商户发生套现 洗单的,收单行可要求商户___。
A. 强制退出
B. 主动退出
C. 继续使用
D. 交回机具
【单选题】
6:特约商户多次无故拒绝受理银联卡,经指证拒不改正的,收单行可要求商户___。
A. 交纳罚金
B. 主动退出
C. 交回机具
D. 强制退出
【单选题】
7:收单业务中出现的跨行差错 争议通过省银行卡中心协商解决无效时,可向___申请仲裁。
A. 收单行
B. 中国银联争议处理机构
C. 发卡行
D. 消费者协会
【单选题】
8:由特约商户受理银行卡业务过程中违反有关操作流程的行为造成的损失由___承担。
A. 收单行
B. 特约商户
C. 发卡行
D. 中国银联
【单选题】
9:对于商户或商户负责人被中国银联列入不良信息系统的商户申请收单业务的,收单行应___。
A. 谨慎发展
B. 禁止发展
C. 先调查后发展
D. 指导发展
【单选题】
10:持卡人进行消费时,除刷卡时系统没有响应外,只要有操作过程,即收银员输入相关信息,并提交,没有打印签购单。此时商户或持卡人都应打___银联客服进行查询。
A. 95516
B. 96288
C. 9618998
D. 96148
【单选题】
1:空白成品卡丢失10张以下,受理机具被侧录致使银行卡账户信息泄露3张以下,特约商户发生涉嫌欺诈交易金额10万元以下的属于___。
A. 银行卡风险一类事件
B. 银行卡风险二类事件
C. 银行卡风险三类事件
D. 银行卡风险四类事件
【单选题】
2:银行卡风险二类事件认定中,特约商户发生涉嫌欺诈交易金额为 元。___
A. 30 万以上
B. 10--30万
C. 10--20万
D. 20万以上