【单选题】
— What's the matter, dear?___
A. I didn't go to school.
B. I have a terrible headache.
C. I took the kids shopping today.
D. It is a beautiful dress.
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相关试题
【单选题】
Good morning, may I speak to Mark, please?___
A. Who's there?
B. Who's that speaking?
C. Who are you?
D. Who wants to speak to Mark?
【单选题】
Let me introduce myself. I'm Steward.___
A. What a pleasure.
B. Pleased to meet you.
C. I don't know.
D. Thanks a lot.
【单选题】
Let's go to the library this afternoon.___.
A. Yes, that's right.
B. No. I can't.
C. What about you?
D. That's a good idea.
【单选题】
What does Tom's wife do for a living?___.
A. She is a doctor.
B. Tom loves his wife.
C. She has a happy life.
D. She lives far from here.
【单选题】
How tall is your sister?___
A. She is not very well.
B. She is 28 years old.
C. She is very nice.
D. She is as tall as I am.
【单选题】
What do you think of this novel?___
A. I've read it.
B. It's well-written.
C. It was written by my uncle.
D. I bought it yesterday.
【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.
【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.
推荐试题
【单选题】
5G NR Sub6G低频3. 5GHz, eMBB链路预算中默认终端天线配置是: 答案___
A. 2T4R
B. 1T2R
C. 2T2R
D. 4T4R
【单选题】
以下那一条不是UPF的功能 答案___
A. 3GPP网络内跨CN信令传递
B. 上行数据分类路由转发
C. 数据网与外部PDU会话的互通
D. 数据包校验和用户面的策略规则执行
【单选题】
gnodeB与ng- enb之间的接口是 答案___
【单选题】
在5G的组网方式中，下列哪种属于独立组网 答案___
A. Option3
B. Option2
C. Option7
D. Option3x
【单选题】
用于测量PDCCH的DM-RS的天线端口是 答案___
A. 2000
B. 4000
C. 3000
D. 1000
【单选题】
关于5G Cloud RAN描述正确的是 答案___
A. CU处理非实时功能，采用通用处理器
B. Low-PHY部分移入AAU/RU,降低前传new CPRI带宽需求
C. 以上都对
D. DU专注实时处理，采用专用处理器
【多选题】
相比option3, option7组网有哪些缺点 答案___
A. 无法支持5GC引入的新业务
B. 需要推动5G到2G/3G网络的CSFB的语音回落流程
C. LTE需升级改造为eLTE,改动较大
D. 需要新建5GC，建网进度依赖于5GC产业成熟度
【多选题】
FR1频段支持哪些SCS 答案___
A. 60kHz
B. 30kHz
C. 120kHz
D. 15kHz
【多选题】
NR系统中下行物理信号有哪些 答案___
A. 辅同步信号(Secondary synchronization si gnal, SSS)
B. 信道状态信息参考信号(Channel -state information reference signal, CSI -RS)
C. 解调参考信号(Demodulation reference signals, DM-RS)
D. 相位跟踪参考信号(Phase-tracking reference signals, PT-RS)
E. 主同步信号(Primary synchronization signal, PSS)
【多选题】
NR系统中上行物理信号有哪些 答案___
A. 解调参考信号(Demodulation reference signals, DM-RS)
B. 相位跟踪参考信号(Phase tracking reference signals, PT-RS)
C. 探测参考信号(Sounding reference signal, SRS)
D. 信道状态信息参考信号(Channel -state information reference signal, CSI-RS)
【多选题】
5G有哪些关键应用场景 答案___
A. mMTC
B. URLLC
C. NB-IOT
D. eMBB
【多选题】
NR工作频段分为 答案___
A. FDD
B. SDL
C. SUL
D. TDD
【多选题】
ITU定义的5G场景有哪些? 答案___
A. mMTC
B. eMBB
C. URLLC
D. eMTC
【多选题】
下列哪些组网方式属于非独立组网方式 答案___
A. Option7x
B. Option3
C. Option3x
D. Option7
【多选题】
如下哪些架构是Non-Standal one组网 答案___
A. Option4
B. Option7
C. Option2
D. Option3
【多选题】
NR中FR1使用的下行参考信号包括() 答案___
A. PT-RS
B. DMRS
C. OCSI-RS
D. SSB-RS
【多选题】
Option2组网的优势有哪些 答案___
A. 引入5GC,提供5G新功能新业务
B. 团可快速部署，直接引入5G新网元，不需要对现网改造
C. 不影响现网2G/3G/4G用户
D. 对现有2G /3G/4G网络无影响
【多选题】
NSA中Sn释放会发生在如下哪些场景? 答案___
A. Sn变更
B. 离开Mn覆盖范围
C. 离开Sn覆盖范围
D. Mn切换
【多选题】
NR帧结构包含如下哪些元素 答案___
A. 参考子载波间隔
B. 纯下行符号slot数目
C. 上行符号数目
D. 配置周期
E. 下行符号数目
F. 纯上行符号slot数目
【多选题】
下列哪些是NSA组网的优势 答案___
A. NSA标准冻结早，产业更成熟，业务连续性更好
B. 对4G LTE网络无影响，建网一步到位
C. 5G按需投资，快速建网，投资回报更快
D. 5G建设和4G LTE强绑定，NSA到SA的过程需要无线网和核心网多次升级
【多选题】
URLLC主要关注哪些指标 答案___
A. 频谱效率
B. 可靠性
C. 时延
D. 连接密度
【多选题】
BWP具备哪些优点 答案___
A. 前向兼容，新技术可以在新的BWP中提供，保证系统的前向兼容性
B. 提高系统灵活性，每个BWP可采用不同的配置，系统根据业务需要切换合适的BWP,提高系统灵活性
C. 降低能耗，当 UE业务量较低或者没有业务时，UE可以切换到带宽较小的BWP上，降低能耗
【多选题】
5G波束管理分为哪几大过程 答案___
A. P2：只进行TRP发射波束扫描
B. P3：只进行UE接收波束扫描
C. 以上均不正确
D. P1：TRP发射波束扫描+ UE接收波束扫描
【多选题】
gNb具备如下哪些功能 答案___
A. 控制面的信息AMF路由选择
B. 无线资源管理功能:无线承载控制、无线接纳控制、移动性管理，上/ 下行链路资源动态分配(调度)
C. UE RRC_ INACTIVE状态支持
D. 用户平面数据UPF路由选择
【多选题】
RAN切分的好处有哪些 答案___
A. CU内的移动性可以在内部处理，减少核心网负荷
B. CU的覆盖范围大，CU下移动可以不换PDCP锚点，降低时延，为无维移动提供可能
C. 相对原有的一体化基站，移出部分CU功能到云端，有利于站点侧降低复杂度，节能降耗
D. CU能作为双连接的锚点(4/5G、 高低频)，由于部署在传输节点汇聚机房，可以节省传输带宽和降低时延
【判断题】
NR中终端可以同时在正常载波和SUL载波上进行业务。 答案
【判断题】
5G的基站功能重构为CU和DU两个功能实体，CU主要处理物理层功能和实时性需求的层2功能。 答案
【判断题】
连接管理是指UE与AMF ( Access and Mobility Management function) 之间的连通性管理。 答案
【判断题】
在Option 2部署架构方案中， 接入网使用的是5G gNB, 连接到5G核心网NGC,即所说的独立组网方式。 答案
【判断题】
5G eMBB场景，使用Pol ar码用于数据信道编码。 答案
【判断题】
CU/DU高层分割采用option 2,将PDCP /RRC作为集中单元，将RLC/MAC/PHY作为分布单元。 答案
【判断题】
NSA环境在SCG传输模式下，下行流量只走5G侧。答案
【判断题】
CPRI开销过大是基带部分下沉至AAU的主要原因。 答案
【判断题】
Option 3X作为Opti on3的优化方案，将NR作为数据汇聚和分发点，充分利用NR设备处理能力更强的优势，便捷提升网络处理能力。 答案
【判断题】
Option 3部署架构方案中，LTE eNB通过S1接口连接到4G核心网EPC，通过X2接口与gNB相连， 即所说的非独立组网方式。答案
【判断题】
SMF: Sessi on Management functi on.功能相当于PGW+PCRF的一 部分，承担IP地址分配，会话承载管理、计费等。 答案
【判断题】
CU/DU可以是分离的设备，此时CU/DU之 间通过F1接口通信。答案
【判断题】
Option 3、Option 3A、Option 3X主要区别在于控制面信令分流有差异。 答案
【判断题】
5G阶段基站CU/DU可以分离部署，也可以合设部署。答案
