【填空题】
9.The police are investigating the three men allegedly _________organizing and carrying out the bank robbery.
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10.I do not doubt in the least that inflation leads to _________decline.
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11.A blizzard _______________great drifts of snow across the lake.
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12.Tim says _________everybody will be affected by the tax increase, but I’m sure he’s exaggerating.
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1.China’s economic success over the past three _________has raised the living standards of hundreds of millions of Chinese citizens.
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2.Citibank picked the chief executive of Etang.com as its first Chinese customer Thursday to open an account at its new branch in the _______Pease Hotel along Shanghai’s fabled waterfront.
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3.The United States last Wednesday _________tariffs关税 of up to 30 percent on a range of foreign steel imports to help protect its domestic国内的industry.
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4.Although he was raised as a Christian, he’s not really very _________.
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5.You can distinguish between frogs ands toads蟾蜍 in the following way: frogs have _________bodies, long limbs, and a smooth skin, and toads have stouter bodies, short limbs, and dry skin.
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6.From the airplane window I could see a _________of city streets.
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7.Aunt Pat smiled at her little niece and _________her to eat.
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8.Dr. Rich Hamilton is planning his own World Wide Web _________on the Internet to provide assistance to anyone who asks for medical help.
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9.It is difficult to estimate the number of people doing part-time jobs _________
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10.The president _________his foreign minister, Mr. Burns, to act as representative to the international conference to be held in Tokyo next month.
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11.Advances in telecommunications have meant that it is just as easy to work from a computer _________at home as it is from a town center office.
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12.Until the new gym is built, you have no option but _________existing buildings which may or may not suit your immediate目前的requirements.
【填空题】
1.According to some scientists, global warming _________the survival of the whole human race.
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2.The number of visitors from parts of Scotland not including the Edinburgh area was, in fact, relatively small19%, and exceeded the number of overseas visitors16%_________.
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3.The early Spaniards established a chain of mission _________the local population along the San Antonio River.
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4.It was common practice then that when the store owners wanted to go on vacation they simply _________
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5.As they didn’t have relatives or friends there they often _________around nearby malls when they got bored.
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6.To make a birthday card, you can simply cut out some funny or pretty pictures from magazines, _________them _________a piece of card and then write your message inside.
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7.She picked up the receiver and, _________ asking the caller to hold on, went off to tell Jack that he was wanted on the phone.
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8.To relax himself for a little while, he rose from the computer desk, walked across the room towards the window and stretched both arms upwards and _________.
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9.The new product has a pair of small loudspeakers fitted inside, which you can easily _________ your computer’s sound card.
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10.Music in fact is a _________language of a non-verbal nature which is rich in expression.
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11.This _________is designed to show at a glance how many rooms have been rented out and how many are still available.
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12._________ glorious sunshine, the boundless stretch of corn fields looked an impressive sight.
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1.The cook put the meat on a plate, _________it with salt and pepper, wrapped up the plate in aluminum foil铝箔 and then placed it in the oven to roast.
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2.Every waking moment we talk to ourselves about the things we experience. Our self-talk, the thought we communicate to ourselves, _________control the way we feel and act.
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3.John made everyone laugh when he got the words _________and referred to himself as “my husband’s wife”.
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4.You can’t live a perfect day without doing something for someone who will perhaps never be able to _________you.
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5.Because the Earth is a sphere, sailors _________only can view other ships to a distance of about 13 miles before those ships seem to disappear into the horizon.
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6.Johnson dismissed _________ideas lightly as no good on several occasions.
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7.One tends to believe whatever one repeats to oneself sufficiently often, whether the _________be true or false.
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8.Susan told me numerous times how her sister _________children.
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9.I don’t know what my roommate is up to because he does everything _______________, either when I am away or when I am asleep.
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10.For economic reasons, shipbuilders have designed vessels___ that can be loaded and _________in a minimum amount of time with minimum labor.
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11.Laugh, and the world laughs with you; _________, and you weep alone.
【填空题】
12.A national debate is now _________about the manner in which we as a society should protect our natural resources.
【单选题】
___是湿润的纤维脱水后形成的薄片型材料。
A. 安全线
B. 安全纤维
C. 纸张
D. 水印
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【单选题】
主叫端完成资源预留,会通过( )SIP消息通知对端。
A. 100trying
B. Prack
C. Update
D. 200 OK
【单选题】
如果TAU是由终端发起的,那么这台终端的状态是什么?( )
A. EMM-DEREGISTERED
B. EMM-STANDBY;
C. ECM-IDLE;
D. ECM-CONNECTED;
【单选题】
小区带宽在下面( )信息中广播。
A. SIB3
B. MIB
C. SIB2
D. SIB1
【单选题】
单站验证测试过程中网优人员的工作任务是( )
A. 单站点覆盖DT测试
B. 检查各个小区的基本功能是否正常
C. 检查连接模式下的小区状态和业务连接情况
D. 检查空闲模式下的小区状态
【单选题】
如果“IntraF Time to Trigger”被设置得过大,将对基于覆盖的同频切换产生( )影响。
A. 没有任何影响
B. 很难接入目标小区
C. 很难触发测量事件上报
D. 切换过早
【单选题】
Idle状态的UE在收到paging消息后,需建立RRC连接以便向网络发送响应,此吋其请求建立RRC连接的原因是以下哪一个?( )
A. Emergency
B. moSignaling;
C. mtAccess;
D. moData;
【单选题】
在3GPP中,哪一个节点将P-GW与WLAN联系起来?( )
A. RNC,通过S12接口
B. SGSN,通过Gn接口
C. ePDG,通过S2b接口
D. SGW,通过S5接口
【单选题】
PA=0,PB=( ) 时的功率利用率为100%。
【单选题】
下行PDCCH和PHICH的映射范围由( )信道决定。
A. PDSCH
B. PCFICH
C. PDCCH
D. PRACH
【单选题】
对于内部系统产生的干扰,常用解决措施不包括( )
A. 如检查出是基站设备本身的问题的话,需更换相应基站设备组件
B. 检查天馈器件,对于松动的连接头,把他们拧紧,对于坏掉或者老化了的器件,进行更换
C. 修改频点,在共天馈系统中,由于2G一个小区可能采用多个频点,频点之间可能会互调产生干扰
D. 安排路测队伍排查干扰
【单选题】
每个用户的PDCCH能占用( )个CCE,这种情况我们称为聚合级别。
A. 1,2,8,16
B. 16,24,48,96
C. 1,2,4,8
D. 16,32,48,96
【单选题】
单从注册信令流程看,是否区分漫游或非漫游用户?( )
【单选题】
下列不属于RF优化的主要工作内容有( )。
A. 优化无线数据业务
B. 优化无线信号覆盖
C. 切换问题优化
D. 优化无线信号质量
【单选题】
在TD-LTE无线网络中影响网络结构的因素有那些?( )
A. 以上都是
B. 站间距(站点拓扑关系)
C. 站高
D. 下倾角和方位角
【单选题】
AMR-NB编码采样率为( )。
A. 16Hz
B. 8kHz
C. 16kHz
D. 8Hz
【单选题】
I-CSCF在用户注册.注销时,I-CSCF向HSS查询为用户服务的S-CSCF时,采用的是下列哪一组消息( )
A. UDR/UDA
B. UAR/UAA
C. SAR/SAA
D. MAR/MAA
【单选题】
在下面哪个模式下,LTE手机可以执行TA更新?( )
A. URA_PCH
B. ECM-IDLE
C. EMM-DEREGISTERED
D. ECM-Connected
【单选题】
基于“开发者自行开发的服务端应用”的描述,指的是( )。
A. SoftRadio应用
B. 智能应用
C. 开发应用
D. 北向应用
【单选题】
NB-IoT小区定点测试时好点的定义是( )。
A. RSRP>-80dBm ,SINR>10
B. RSRP>-100dBm ,SINR>20
C. RSRP>-100dBm ,SINR>10
D. RSRP>-80dBm ,SINR>20
【单选题】
R13为NB-IoT指定了( )个频段。
【单选题】
CellID 信息在( ) 信号里面携带。
A. 以上答案都不对
B. NSSS
C. NPSSS和NSSS
D. NPSSS
【单选题】
独立部署模式下,NB-IoT覆盖能力最高可达到( )Db。
A. 174
B. 144
C. 164
D. 154
【单选题】
EN-DC中,MCG进行NR邻区测量使用的参考信号有( )。
A. DM-RS
B. SSB RS
C. C-RS
D. CSI-RS
【单选题】
Timing Advance Command MAC CE对应TA索引值的范围是( )。
A. 0~13
B. 0~63
C. 0~255
D. 0~3846
【单选题】
5G中单小区最大支持的PRB为( )。
A. 200PRB
B. 273PRB
C. 100PRB
D. 175PRB
【单选题】
我国提出的“5G之花”关键性能中,未被ITU接受的是:( )。
A. 成本效率
B. 用户体验速率
C. 能效
D. 流量密度
【单选题】
对于5G NR来说,一个无线帧占用多少毫秒?( )
A. 5
B. 10
C. 1
D. 不是固定的,和子载波带宽有关
【单选题】
M2M技术的核心理念是( ).
A. 智慧地球
B. 简单高效
C. 人工智能
D. 网络一切
【单选题】
毫米波的典型站距是( )。
A. 1000~5000米
B. 5~40米
C. 200~1000米
D. 40~200米
【单选题】
划分SUL频段的意义是:( )
A. 与5GHz搭配使用,补充下行覆盖范围
B. 增大上行数据传输速率
C. 与3.5GHz搭配使用,补充上行覆盖范围
D. 增大下行数据传输速率
【单选题】
5G单载波最大( )(<6GHz),单载波最大( )(>6GHz)
A. 50MHz,100MHz
B. 100MHz,200MHz
C. 100MHz,400MHz
D. 20MHz,100MHz
【单选题】
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. 宽带直放站
B. 频带选频直放站
C. 载波选频直放站
【单选题】
已知某个网络的掩码是 255.255.248.0,那么下面属于同一网段的是:( )。
A. 10.110.16.1和10.110.25.1
B. 10.33.23.2和 10.33.31.1
C. 10.52.57.34 和 10.52.62.2
D. 10.76.129.21和10.76.137.1
【单选题】
IPv6地址中不包括下列哪种类型的地址 ?( )
A. 广播地址
B. 组播地址
C. 单播地址
D. 任播地址
【单选题】
云计算的发展, 是以虚拟化技术为基础的 。( )
【单选题】
下述关于下行2*2 MIMO说法正确的是( )。
A. 2发是指UE端,2收也是指UE端
B. 2发是指eNodeB端,2收是指UE端
C. 2发是指eNodeB端,2收也是指eNodeB端。
D. 2发是指UE端,2收是指eNodeB端。
【单选题】
在对一个网络进行故障检测时,在同一个网络中ping另外一台主机,在该主机接收到ping请求后,会返回以下哪种类型的包?( )
A. ICMP响应应答
B. ICMP主机不可达
C. ICMP响应请求
D. ?ICMP端口不可达
【单选题】
在现阶段,LTE室内分布系统的信源以( )为主。
A. 分布式基站(BBU+RRU)或RRU
B. 干放
C. 光纤直放站
D. 无线直放站