【单选题】
Having practiced so many times, I feel very ___ of my ability to deliver the presentation successfully.
A. satisfied
B. incredible
C. confident
D. enthusiastic
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相关试题
【单选题】
The university decided to increase the ___ of the lecture hall, which has only 200 seats.
A. ability
B. capacity
C. facility
D. faculty
【单选题】
Smart phones – with cameras and color screens – can ___ images and data using wireless network technology.
A. evolve
B. depart
C. transmit
D. assure
【单选题】
Don’t take someone you get to know from the Internet to your house no matter how ___ he sounds.
A. bold
B. genuine
C. flexible
D. available
【单选题】
This kind of exercise will ___ your creativity, renew your energy, and unlock your potential.
A. bind
B. yield
C. embrace
D. stimulate
【单选题】
I’ll be happy to help you, ___ you won’t take up too much of my time.
A. as well as
B. as long as
C. as far as
D. as soon as
【单选题】
We teachers do not consider it wise to ___ our students with all sorts of exams, tests and quizzes.
A. load
B. annoy
C. sample
D. explore
【单选题】
He makes his students ___ knowledge through various kinds of interesting activities.
A. study
B. learn
C. achieve
D. acquire
【单选题】
For years, scientists have debated the ___ dangers of building another nuclear plant after the terrible accident.
A. available
B. potential
C. fascinating
D. genuine
【单选题】
It was a worthwhile attempt ___ it failed to achieve its purpose that we had hoped for.
A. in the end
B. now that
C. all at once
D. even though
【单选题】
Travel in space can be very exciting; ___, it can also be boring and lonely at times.
A. so
B. however
C. thus
D. therefore
【单选题】
Politicians should not ___ in business affairs that might affect their political judgment.
A. engage
B. embrace
C. depart
D. treasure
【单选题】
I wish to ___ a master’s degree in electric engineering after I graduate from college.
A. pledge
B. explore
C. pursue
D. approach
【单选题】
There is no greater importance ___ cultivating independence in children.
A. in
B. than
C. of
D. with
【单选题】
He has made it very clear ___ we should observe the new rules.
A. what
B. which
C. those
D. that
【单选题】
It was when I read his letter ___ I realized he had given me huge help.
A. that
B. then
C. before
D. after
【单选题】
Don’t worry too much, Jane. Your son ___ home already. Let’s go back and check it out.
A. returned
B. will return
C. has returned
D. may have returned
【单选题】
I believe friendship is an essential element of making a healthy, ___ life.
A. flexible
B. rewarding
C. wealthy
D. inquisitive
【单选题】
___ they have written about the behaviors of animals is hardly anything new.
A. That
B. This
C. What
D. Which
【单选题】
No other drugs are as good as this one; it must have been based on a(n) ___ formula (配方).
A. enormous
B. stimulating
C. unique
D. overwhelming
【单选题】
Mothers tend to be too ___ toward their children. They should let them see more of the worl D.
A. hopeful
B. protective
C. modest
D. encouraging
【单选题】
The investigation ___ evidence of a large-scale illegal trade in wild birds.
A. uncovered
B. outweighed
C. overwhelmed
D. evolved
【单选题】
Poor Laura! I feel so sorry for her. When she fell, she hurt her arm and, ___, broke her glasses.
A. in advance
B. in addition
C. over time
D. on the other hand
【单选题】
Showing some sense of humor can be a(n) ___ way to deal with some stressful situations.
A. genuine
B. available
C. effective
D. favorite
【单选题】
It will be worth the efforts even if you fail; the rewards you ___ will be great.
A. reap
B. boast
C. assure
D. cultivate
【单选题】
He suggested transporting the supplies by air. But it is absolutely ___, for it will cost too much.
A. unusual
B. uncertain
C. impractical
D. impressive
【单选题】
The newspaper didn’t mention the ___ of the damage caused by the fire.
A. range
B. level
C. extent
D. quantity
【单选题】
Do you ___ her novels as serious literature or as mere entertainment?
A. classify
B. notify
C. simplify
D. justify
【单选题】
He doesn’t ___ of buying a house this year because the bank has refused to lend him any money.
A. afford
B. make the most
C. run out
D. stand a chance
【单选题】
If you don’t ___ cooking today, we can go out to eat at the new restaurant.
A. would like
B. go on with
C. feel like
D. figure out、
【单选题】
Bullying (恃强欺弱) can ___ a climate of fear and anxiety in school, and prevent students from focusing on their schoolwork.
A. keep back
B. give rise to
C. feel like
D. make use of
【单选题】
Science can now ___ many things which were thought to be mysterious by ancient people.
A. care for
B. lay out
C. account for
D. set up
【单选题】
The school has ___ many after-class activity groups for the pupils to make their spare time more colorful.
A. set up
B. set off
C. set out
D. set down
【单选题】
When he was a small kid, he ___ from his peers because he could read fast and remember whatever he rea D.
A. showed off
B. worked out
C. stood out
D. straightened up
【单选题】
The fall in the number of deaths from heart disease is generally ___ improvements in diet.
A. put up with
B. attributed to
C. added to
D. replaced with
【单选题】
We can be partners for now, but ultimately you have to ___ to develop a new software for our project.
A. keep up
B. fire off
C. make sense
D. take the lead
【单选题】
Emotional Intelligence (情商) could be of practical use in many ___ such as how companies decide which job applicant to hire, how parents should raise their children, how schools should teach the students, and so on.
A. aspects
B. disciplines
C. structures
D. opportunities
【单选题】
The teacher should praise students for their correct answers and also suggest ___ possibilities.
A. unlimited
B. unique
C. alternative
D. essential
【单选题】
In some classrooms, desks are arranged in a U-shape, so the teacher can ___ easily with the students.
A. interrupt
B. interact
C. interpret
D. interview
【单选题】
Computer technology ___ individuals to educate themselves and adapt to a constantly changing job market.
A. lets
B. makes
C. enables
D. provides
【单选题】
Our hope for an enjoyable dinner was instantly ___ when the waiter dropped a salad plate on my hea D.
A. spoiled
B. restricted
C. exploded
D. vanished
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【多选题】
下面关于LTE站点勘察说法正确的是（ ）。
A. 站点选择要满足无线网络拓扑结构设计要求
B. 要使天线主瓣正对着街道走向,以保证道路覆盖
C. 扇区天线发现方向按照规划法线方向设置时,要预留30度左右的调整余度
D. 进行站点拍照时,每60度拍一张照片
【多选题】
无线特性在终端和基站进行测量，并在网络中向高层进行报告。其包括：（ ）
A. 同频切换的测量
B. 用于不同无线接入技术（Radio Access Technology，RAT）之间切换的测量
C. 异频切换的测量
D. 定时测量
【多选题】
NPBCH的作用有（ ）。
A. 传递系统帧号
B. 传递NB-SIB1的调度信息
C. 传递接入限制信息
D. 传递操作模式信息
【多选题】
目前仅（ ）系统支持NB-IoT技术。
A. TD-LTE
B. FDD-LTE
C. GSM
D. CDMA
【多选题】
NB-IoT频谱部署方式包括以下哪几种？（ ）
A. EC-GSM
B. Standalone
C. Guard band
D. In-band
【多选题】
NB-IoT 的描述，以下正确的是？（ ）
A. 成本低
B. 覆盖增强
C. 电池寿命强
D. 海量的链接数
【多选题】
RLC协议层的三种传输模式中，NB-IOT取消了那种传输模式？（ ）
【多选题】
gNB可以通过哪种方式给UE发送Timing AdvanceCommand？（ ）
A. RRC 专用信令
B. MAC CE
C. 系统消息
D. DCI
【多选题】
BWP切换有哪些方式？5G NR中SSB组成
A. TCI
B. DCI
C. Timer
D. RMSI
【多选题】
以下说法正确的是：（ ）。
A. 对于NR测量对象中配置的黑列表中的小区，UE不需要进行事件评估和测量
B. NR测量中即使同一个频率即使子载波间隔不同，也需要配置两个不同的MO
C. NR测量中测量事件的评估是以beam信号质量进行评估的
D. NR测量中只在异频测量中需要gap，同频测量不需要gap
【多选题】
5G网络物理层的上行参考信号DM-RS伴随那些物理信道传输？（ ）
A. PUCCH
B. PRACH
C. PUSCH
D. PDSCH
【多选题】
UCI包含哪些信息（ ）
A. PMI
B. CQI
C. HARQ-ACK
D. Schedulingrequest
【多选题】
CDMA2000 1x系统导频集包括（ ）
A. 激活集
B. 候选集
C. 邻集
D. 去激活集
【多选题】
扩频通信技术是在发端采用扩频码调制，使信号所占的频带宽度（ ）所传信息必须的带宽，在收端采用相同的扩频码进行相关解调来解扩以恢复所传信息数据。
A. 等于
B. 近似
C. 远大于
D. 远小于
【多选题】
我们常说的“三次握手”是在TCP/IP协议结构的哪一层完成的（）。
A. 传输层
B. 应用层
C. 网络层
D. 网络接口层
【多选题】
基站天线必须具备三防能力是指（ ），全向天线必须满足倒置安装要求。
A. 防辐射
B. 防霉菌
C. 补防盐雾
D. 防潮
【多选题】
当以下 （ ）设备的施主基站载波扩容时，应相应对其直放站进行扩容。
A. 载波选频直放站
B. 宽带直放站
C. 频带选频直放站
【多选题】
OSI网络结构模型共分为7层，其中最低层是（ ）。
A. 物理层
B. 应用层
C. 传输层
D. 会话层
【多选题】
TDD与FDD的差别（ ）
A. 帧结构差异：FDD，TDD帧结构不同?
B. 带宽差异：FDD，TDD支持的带宽不同
C. 多址方式差异：FDD，TDD多址方式不同?
D. 双工模式差异：FDD，TDD双工方式不同
【多选题】
室内单站验证测试中定点测试包括（ ）
A. 下行吞吐量测试
B. PING时延测试
C. 上行吞吐量测试
D. 室内外切换测试
【多选题】
以下哪些参数不是MME从HSS中获取的EPS QoS参数( )。
A. UE-AMBR
B. GBR
C. QCI
D. APN-AMBR
E. ARP
F. MBR
【多选题】
UE发起的Service Request流程可能遇到哪些异常流程?（ ）
A. RRC Reconfiguration消息丢失
B. eNodeB建立专用承载失败
C. 核心网拒绝
D. RRC连接建立失败
【多选题】
S1-MME接口协议栈为：( )
A. S1MME/SCTP/IP
B. S1MME/SCTP/IP
C. S1AP/UDP/IP
D. S1AP/SCTP/IP
【多选题】
LTE中不同无线技术之间触发测量报告的事件有：( )。
A. 邻区优于门限值
B. 邻区优于本小区，并超过偏置值
C. 本小区低于门限值
D. 本小区低于门限值，并邻区优于门限值
【多选题】
以下哪项不属于测量控制中的内容？（ ）
A. 测量标识
B. 系统消息
C. 报告方式
D. 小区列表
【多选题】
NB-IoT中资源的调度上，下行分别以( )为单位。
【多选题】
NB-IoT网络的密钥层次架构中包含如下哪些？（ ）
A. 终端和MME间共享的密钥
B. 终端和基站间共享的密钥
C. 终端和ASME共享的中间密钥
D. 终端和HSS间共享的密钥
【多选题】
NB-IoT下行支持的最大重传次数是（ ）。
A. 1024
B. 2048
C. 512
D. 128
【多选题】
NB-IoT具有以下哪些特点?（ ）
A. 低功耗
B. 低覆盖
C. 低速率
D. 小数据量
【多选题】
下面哪个信令可以携带SCG Add或PSCell Change相关SCG配置？( )
A. LTE侧的RRCConnectionSetup
B. NR侧的RRCConnectionSetup
C. NR侧的RRCReconfiguration
D. LTE侧的RRCConnectionReconfiguration
【多选题】
5G中单小区最大支持的PRB为（ ）。
A. 100PRB
B. 200PRB
C. 175PRB
D. 273PRB
【多选题】
频域上，SS/PBCH？block由多少个连续的RB构成?（ ）
A. 12个
B. 10个
C. 20个
D. 24个
【多选题】
5G控制信道eMBB场景编码方案是（ ）。
A. Polar码
B. LDPC编码
C. 咬尾卷积码
D. Turbo码
【多选题】
以下哪种SSB必须在SS raster上？（ ）
A. 用于PScell接入的SSB
B. 用于测量的SSB
C. 用于NR Scell接入的SSB
D. 用于NR Pcell接入的SSB
【多选题】
5G毫米波通信技术有哪些特点？（ ）
A. 降雨时衰减严重
B. 对沙尘和烟雾具有很强的穿透能力
C. 具有“大气窗口”和“衰减峰”
D. 是一种典型的视距传输方式
【多选题】
CDMA系统是自干扰系统,在反向链路主要是( )受限。
【多选题】
CDMA系统可以通过（ ）实现相邻小区间负荷的动态分配。
A. 硬切换
B. RAKE接收
C. 小区呼吸
D. 软切换
【多选题】
为了加强对移动基站近区的覆盖并尽可能减少死区同时尽量减少对其它相邻基站的干扰天线应避免（ ）架设同时应采用下倾的方式。
【多选题】
移动通信系统的多址接入方式选择关系到下列哪些方面？（ ）
A. 信道效率
B. 系统容量
C. 频谱利用率
D. 小区构成
【多选题】
天线增益与（ ）有关。
A. 天线的尺寸
B. 天线水平波瓣角
C. 能量转化效率
D. 天线垂直波瓣角
