【单选题】
How much is this necklace?___
A. It's very nice.
B. It's a birthday present from my parents.
C. It costs fifty pounds.
D. It's a bargain.
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相关试题
【单选题】
How can I get to the cinema?___
A. It's very far.
B. Yes, there is a cinema near here.
C. It's well known.
D. Go down this street and turn left.
【单选题】
What's the matter, John?___
A. I failed my French test
B. It doesn't matter.
C. Nothing's wrong with him.
D. I don't think I can.
【单选题】
What are you majoring in?___
A. In a university.
B. Very hard.
C. Mathematics.
D. At nine in the morning.
【单选题】
Are you going on holiday for a long time?___
A. It was a long time.
B. Two weeks ago.
C. No. Only a couple of days.
D. Not long time ago.
【单选题】
Is Mary there?___
A. Speaking.
B. I'm not Mary.
C. Who are you?
D. Mary is well today.
【单选题】
What day is today?___
A. It's March 6.
B. It's a fine day today.
C. It's March.
D. It's Monday.
【单选题】
Is that seat taken?___
A. Please don't worry.
B. I don't think so.
C. Why not?
D. It's very nice.
【单选题】
Thank you for calling.___
A. Don’t mention it.
B. That's fine.
C. Nice talking to you.
D. Call back again.
【单选题】
How are you getting on today?___
A. Very well.
B. How do you do?
C. I'm a doctor.
D. Nice to have known you.
【单选题】
How's your family?___
A. Thanks all the same.
B. Thanks for calling.
C. Not too bad.
D. Don't mention it.
【单选题】
- How is it that you are late for class again?___
A. Because I missed the bus
B. By bus and then on foot
C. Yes, it is quite wrong
D. It is far from school
【单选题】
- Excuse me. Could you spare me a few minutes? - ___
A. Of course.
B. Of course not.
C. I am sorry to hear that.D.Yes. I'm busy now.
【单选题】
- It's very thoughtful of you to give me a ride. ___
A. It's my pleasure.
B. Take it easy.
C. Sure.
D. Never mind.
【单选题】
- This is heavy! What's in it? ___
A. I think you don't like it.
B. My new computer. I just bought it.
C. I'm glad you're here.
D. Are you really interested in it?
【单选题】
___ I'd like to place an order please.
A. Can I help you?
B. I can help you.
C. What are you doing?
D. Why are you doing?
【单选题】
- Do you know the girl over there?___
A. How can I know?
B. Yes, I remember it now.
C. It's Sam, my teacher's daughter.
D. She is a good girl.
【单选题】
- Shall we go out for dinner tonight?____
A. No, you can't.
B. Yes, please.
C. Thank you, I don't want to.
D. Sorry, I have a report to finish.
【单选题】
- I think the reference book（参考书）is very helpful.____
A. Good idea.
B. So do I.
C. With pleasure.
D. No problem.
【单选题】
- I wish you success in your career.____
A. You are welcome.
B. I think so.
C. Yes, please.
D. The same to you.
【单选题】
- Would you like to come over tonight?____
A. Yes, last night.
B. Yes, over there.
C. Sure, I'd love to.
D. Yeah, I liked it too.
【单选题】
- How do I transfer calls? ____
A. Do as you like.
B. It is a bit difficult.
C. Let me show you.
D. Not at all.
【单选题】
- Thanks for inviting me, John, but I've already made other plans. ____. Maybe another time.
A. I hope you enjoy it
B. That's good
C. Oh! I'm sorry to hear that
D. Great! I really had a good time
【单选题】
- Thanks for the lovely party and the delicious food. ____
A. No, thanks.
B. Never mind.
C. Thank you for coming.D.That's all right.
【单选题】
- Why didn't you tell me? ____
A. Sorry, I forgot.
B. I'm sorry you should wait.
C. I don't know.
D. I'd love to.
【单选题】
- What do you plan to do after the exam? ____ How about you?
A. I hate taking exams.
B. I like making plans.
C. Nothing special.
D. I've changed my mind.
【单选题】
- Tom told me that you collect stamps. ____
A. What do you mean?
B. I don't think so.
C. Why did he tell you?
D. Yes, I do. Do you?
【单选题】
- This is a challenging job. Who wants it？____
A. I'll take it.
B. It's a good idea.
C. You bet!
D. No sweat!
【单选题】
- I'm taking my driving test tomorrow. ___!
A. Cheers
B. Good luck
C. Come on
D. Congratulations
【单选题】
- ABC Company, may I help you? ____
A. I am Jack. May I speak to Miss Jenny?
B. This is Jack speaking. May I speak to Miss Jenny?
C. This is Jack speaking. Can I find Miss Jenny?
D. I am Jack. Can I find Miss Jenny?
【单选题】
- You have won the football game. Congratulations! ____
A. We are really lucky.
B. No one else could do it.
C. Oh, not really.
D. It's nice of you to say so.
【单选题】
- Excuse me, when will the 17:15 train arrive____
A. I don't tell you.
B. It's been delayed one hour.
C. You have to be patient.
D. Don't ask me.
【单选题】
- Is John there?____
A. Speaking.
B. I'm not Mary.
C. Who are you?
D. Mary is well today.
【单选题】
- Would you like to join us for Sunday dinner____
A. It's nice of you to invite me.
B. How about the food?
C. I like onion soup.
D. I'm sorry I missed the fun last time.
【单选题】
- Could you tell me where the nearest parking lot is?____
A. Don't ask me.
B. Parking is very difficult.
C. Sorry, I'm a stranger here.
D. Sorry, you can't park here.
【单选题】
- Sorry, ___
A. here you are.
B. take it.
C. it's taken.
D. never mind.
【单选题】
－What's this in English? ____
A. It's a map.
B. That is a map.
C. Yes, it's a map.
D. No, it isn't.
【单选题】
- I hear you got through your exam. Congratulations!____
A. No. I didn't do well enough.
B. Who told you that?
C. Thanks.
D. Yes, I got a good mark.
【单选题】
- Don't forget to come to my party this evening!___
A. I can't.
B. I won't.
C. I don't.
D. I will.
【单选题】
- Jim, please don't put your head out of the window on the bus. It's dangerous!___
A. Good idea.
B. Sorry, I won't do it again.
C. It doesn't matter.
D. It's good.
【单选题】
-How about going fishing?___, I have no patience for that.
A. Excuse me
B. Sorry
C. Pardon
D. Apologize
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【单选题】
列车位置检测就是，利用___，列车经过地面应答器时，从地面应答器接收绝对位置信息，根据此位置信息修正自身位置。其次，用（ ），通过累计行车距离进行连续的位置检测。
A. 车载查询器，速度发电机
B. 车载控制器，速度发电机
C. 车载查询器，速度传感器
D. 车载控制器，速度传感器
【单选题】
ATS接入骨干网络是通过有线___完成后
A. 蓝牙
B. wifi
C. 路由器
D. 交换机
【单选题】
CBTC ATP/ATO车载设备机笼电源5V输出不能超过___V。
A. 4.25
B. 5
C. 5.25
D. 6
【单选题】
CBTC ATP/ATO车载设备机笼电源24V输出不能超过___V。
A. 23.5
B. 24
C. 24.5
D. 25
【单选题】
当列车完整性信号丢失时，列车将产生___。
A. 紧急制动
B. 提示故障信息(信号系统显示屏上)
C. 牵引封锁
D. 以上三个条件都发生
【单选题】
DMI用___显示从ATP/ATO车载设备主体获得的速度信息、车辆信息等。
【单选题】
速度发电机将车轮的旋转转换为___传输给ATP/ATO车载设备主体。
A. 时间
B. 声波
C. 速度脉冲
D. 电磁波
【单选题】
下面不属于BTM插箱的安装要求的是___ 。
A. 避开热源
B. 安装在车体外部
C. 避开较强辐射源
D. 插箱周围空间需满足一定要求
【单选题】
车载天线与应答器的有效作用距离为___。
A. 150mm~300mm
B. 200mm~550mm
C. 200mm~400mm
D. 300mm~550mm
【单选题】
下面属于有源应答器能力的是___。
A. 传递语音信息
B. 发送图片
C. 发送长帧或短帧报文
D. 干扰信号
【单选题】
有源应答器的专用螺栓的最大力矩不得超过___N.m。
【单选题】
地面电子单元（LEU）允许电压波动范围___VDC。
A. 12-24
B. 21-30
C. 22-35
D. 25-31
【单选题】
C6接口是LEU上行链路C1接口偏置电压（供电电源）接口,输出端的C6接口信号电平应为___Vp-p（在170Ω阻性负载上测量）
A. 12.0~17.0
B. 15.0~20.0
C. 17.0~21.0
D. 20.0~23.0
【单选题】
移位接触器触头行程为___。
A. 0.5±0.1mm
B. 0.6±0.1mm
C. 0.7±0.1mm
D. 0.8±0.1mm
【单选题】
C6接口信号应为频率为___的正弦信号。
A. 8.820 kHz ±0.1 kHz
B. 7.820 kHz ±0.2 kHz
C. 5.820 kHz ±0.1 kHz
D. 4.820 kHz ±0.2kHz
【单选题】
C1接口平均数据传输速率为___ Kbit/s。
A. 550.02
B. 564.48
C. 582.23
D. 593.52
【单选题】
EI32-JD联锁机驱采机箱背部母版上用以和分线柜___配线接口相连。
A. 16芯
B. 64芯
C. 28芯
D. 32芯
【单选题】
列车运行过程中，BTM天线不断向地面发送___能量。
A. 20M
B. 23M
C. 25M
D. 27M
【单选题】
应答器Z基准轴与Y基准轴组成的中心面和轨道间中心的最大侧向偏离为___mm。
【单选题】
有源应答器在故障处理的时候，应先对故障应答器进行定位，确认应答器___以及标号。
A. 坐标位置
B. 安装方式
C. 排列顺序
D. 所用材料
【单选题】
全塑电缆按绞合方式可分为对绞式和___式。
【单选题】
道岔按其用途和结构分为：单式道岔、复式道岔、交分道岔、___等。
A. 单开道岔
B. 复式交分道岔
C. 交叉渡线
D. 渡线
【单选题】
JPXC-1000型偏极继电器是为了满足信号电路中鉴别___极性的需要设计的。
【单选题】
R1-4.4/440固定抽头式电阻器允许通过的电流为___。
A. 10A
B. 12A
C. 14A
D. 8A
【单选题】
新建、扩建、大修、中修及局部改造后，对信号设备的___必须进行彻底检查 。
A. 联锁关系
B. 联系电路
C. 配线
D. 对地绝缘
【单选题】
ZC-8型接地电阻测试仪测量接地电阻值时导线的另一端接线方式为___。
A. E、P、C端分别接被测物接地极E，电位探棒P和电流探棒C
B. E、P、C端分别接被电位探棒E，电流探棒P和测物接地极C
C. E、P、C端分别接被电流探棒E，电位探棒P和测物接地极C
D. E、P、C端分别接被测物接地极E，电流探棒P和电位探棒C
【单选题】
我国城市轨道交通正线一般选用___钢轨。
A. 75kg/m
B. 60kg/m
C. 50kg/m
D. 43kg/m
【单选题】
___调车信号机按钮可兼做列车进路的变通按钮。
A. 单置、差置
B. 并置、差置
C. 并置
D. 单置、差置、并置
【单选题】
凡用于正线道岔第一牵引点的转辙机，动作杆和表示杆必须具备___。
A. 动作功能
B. 表示功能
C. 连接功能
D. 锁闭功能
【单选题】
下面不属于ATP基本功能的是___。
A. 干扰机车乘务员正常驾驶
B. 防止列车超速运行
C. 防止列车溜逸
D. 记录重要的数据和动作状态
【单选题】
无绝缘轨道电路在其分界处不设钢轨绝缘， 而采用___的方法予以隔离。
A. 电缆隔离
B. 机械隔离
C. 电气隔离
D. 电信隔离
【单选题】
表示杆的作用就是检查道岔尖轨的开通方向，监督___的状态。
A. 道岔
B. 自动开闭器
C. 动作杆
D. 转辙机
【单选题】
DCJ(FCJ)励磁吸起后，在___复原。
A. 始端JXJ励磁后
B. 道岔转换后
C. 终端JXJ励磁后
D. SJ落下时
【单选题】
室内设备至室外设备的控制距离不小于___。
A. 20m
B. 200m
C. 1km
D. 2km
【单选题】
下列哪个不是对轨道电路断轨状态的影响因素。___
A. 钢轨阻抗模值
B. 断轨时间
C. 发送电压
D. 断轨地点
【单选题】
轨道电路在各种工作状态下，要受到许多外界因素的影响，下列哪种不是影响最大的外界因素。___
A. 电源电压
B. 钢轨阻抗
C. 天气状况
D. 道碴电阻
【单选题】
在调整状态，对轨道继电器来说，它从钢轨上接收到的电流___，它的工作就越可靠。
A. 越小
B. 越大
C. 保持固定值
D. 为零
【单选题】
微机的性能指标中的内存容量是指___。
A. RAM的容量
B. RAM和ROM的容量
C. 软盘的容量
D. ROM的容量
【单选题】
同一轨道电路内，单动道岔最多不得超过___组。
