【填空题】
12.Tim says _________everybody will be affected by the tax increase, but I’m sure he’s exaggerating.
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相关试题
【填空题】
1.China’s economic success over the past three _________has raised the living standards of hundreds of millions of Chinese citizens.
【填空题】
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.
【填空题】
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.
【填空题】
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.
【填空题】
6.From the airplane window I could see a _________of city streets.
【填空题】
7.Aunt Pat smiled at her little niece and _________her to eat.
【填空题】
8.Dr. Rich Hamilton is planning his own World Wide Web _________on the Internet to provide assistance to anyone who asks for medical help.
【填空题】
9.It is difficult to estimate the number of people doing part-time jobs _________
【填空题】
10.The president _________his foreign minister, Mr. Burns, to act as representative to the international conference to be held in Tokyo next month.
【填空题】
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.
【填空题】
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.
【填空题】
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%_________.
【填空题】
3.The early Spaniards established a chain of mission _________the local population along the San Antonio River.
【填空题】
4.It was common practice then that when the store owners wanted to go on vacation they simply _________
【填空题】
5.As they didn’t have relatives or friends there they often _________around nearby malls when they got bored.
【填空题】
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.
【填空题】
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.
【填空题】
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 _________.
【填空题】
9.The new product has a pair of small loudspeakers fitted inside, which you can easily _________ your computer’s sound card.
【填空题】
10.Music in fact is a _________language of a non-verbal nature which is rich in expression.
【填空题】
11.This _________is designed to show at a glance how many rooms have been rented out and how many are still available.
【填空题】
12._________ glorious sunshine, the boundless stretch of corn fields looked an impressive sight.
【填空题】
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.
【填空题】
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.
【填空题】
3.John made everyone laugh when he got the words _________and referred to himself as “my husband’s wife”.
【填空题】
4.You can’t live a perfect day without doing something for someone who will perhaps never be able to _________you.
【填空题】
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.
【填空题】
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.
【填空题】
8.Susan told me numerous times how her sister _________children.
【填空题】
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.
【填空题】
10.For economic reasons, shipbuilders have designed vessels___ that can be loaded and _________in a minimum amount of time with minimum labor.
【填空题】
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
【单选题】
纸张最核心的材料是___,在它的基础上再通过添加其他配料使其具备不同的性质。
A. 纤维
B. 安全纤维
C. 纸浆
D. 水印
【单选题】
安全纸张以___为主要的纤维来源,占90%以上。
【单选题】
___是指在造纸生产过程中用改变纸浆纤维密度的方法制成的有明暗纹理的图形或文字。
A. 安全线
B. 安全纤维
C. 水印
D. 防伪彩点
推荐试题
【单选题】
7342 GPON OLT从( ) 版本起,可支持跨板卡的PON口保护.___
A. R4.7
B. R4.6
C. R4.5
D. R4.3
E.
F.
【单选题】
7342 GPON中,可以用来修改GPON LT中MAC地址老化时间的TL1命令是( )___
A. SET-PONVLANSYS
B. SET-PONMCBW
C. SET-NE-ALL
D. ED-ONTENET
E.
F.
【单选题】
7360 FX GPON 各个版本的数据库文件可以通用( )___
A. 错误
B. 正确
C. 无法判断
D.
E.
F.
【单选题】
7360 FX( ) 版本可支持与GPON MDU O-16160E-A业务对接.___
A. R4.2
B. R4.3
C. R5.1
D. R4.4
E.
F.
【单选题】
7360 GPON中,ONT版本软件建议的存放路径是( )___
A. /Sw/
B. /pub/Sw/Download/
C. /pub/OntSw/Download/
D. /pub/OntSw/
E.
F.
【单选题】
下列属于中兴厂家接入层设备的为( )___
A. PTN 950
B. S100
C. metro 100
D. Metro1000V3
E.
F.
【单选题】
7360 OLT GPON 双层VLAN实现模糊匹配时,BRIGPORT 里的PVID 应设置成( )___
A. 4095
B. 4096
C. 65535
D. pvid stacked:SVLAN:0
E.
F.
【单选题】
7360 OLT GPON用cross-connect模式的SVLAN时,根据以下( )要素进行寻址转发.___
A. CVLAN
B. PBIT
C. SVLAN
D. MAC
E.
F.
【单选题】
通过show reg onu link 1查看5506-07的类型为( )___
A. 340
B. 345
C. 341
D.
E.
F.
【单选题】
7360 OLT GPON用RBRIDGE模式的SVLAN时,根据以下( )要素进行寻址转发.___
A. MAC
B. SVLAN
C. PBIT
D. CVLAN
E.
F.
【单选题】
7360 OLT的组播SVLAN必须是( )模式.___
A. residential-bridge
B. mirror
C. cross-connect
D. XCONN
E.
F.
【单选题】
AN5516-01GEPON主控盘的MS灯常亮表示( )___
A. 有onu未授权
B. ONU有告警上报
C. 此主控盘处于主用状态
D. 此主控盘处于备用状态
E.
F.
【单选题】
BIP的作用是用来( )___
A. 做奇偶校验,用于误码监测
B. 帧定界
C. 前导字段
D. 主要为了帧定位、同步和标明此帧是哪个ONU的数据
E.
F.
【单选题】
C300的主控板槽位是( )___
A. 10,11
B. 1,2
C. 7,8
D. 6,9
E.
F.
【单选题】
C300系统中,可以插电源板的槽位为( )___
A. 20
B. 10
C. 11
D. 0
E.
F.
【单选题】
CSCF位于IMS架构的( )层.___
A. 业务层
B. 控制层
C. 接入层
D. 传输层
E.
F.
【单选题】
下列说法正确的是:( )___
A. STM-1支持双向复用段保护。
B. B. 在两纤双向复用段保护环中,拔掉某站 C.CC板,该站业务能实现复用段保护。
C. 不同厂家的复用段保护环APS协议可兼容。
D. D. 不同厂家的通道保护环通道保护规则可兼容
E. 通道环保护也须APS协议。 E.
F.
【单选题】
EPON的上下行传输速率分别为( )___
A. 155M/622M
B. 2.5G/1.25G
C. 1.25G/1.25G
D. 2.5G/2.5G
E.
F.
【单选题】
GC4B/GC8B型号机盘属于什么类型( )___
A. 语音接口盘
B. 上联盘
C. 线卡盘
D. 核心交换盘
E.
F.
【单选题】
GPON ONT成功注册时,PON灯的状态是( )___
A. 无规律/irregular
B. 常亮/constantly o
C. 闪烁/flashing
D. 灭/off
E.
F.
【单选题】
通过以下命令查看主控板自动保护的状态是( )___
A. 同步进行中
B. 已经同步
C. 没有同步
D. 同步失败
E.
F.
【单选题】
GPON 的DBA是基于( )的.___
A. ONU-ID
B. LLID
C. T-CONT
D. GEM-PORT
E.
F.
【单选题】
GPON采用( )μs定长的帧结构.___
A. 64
B. 125
C. 32
D. 128
E.
F.
【单选题】
GPON的OLT能提供的最大传输距离为( )公里.___
A. 5
B. 20
C. 15
D. 10
E.
F.
【单选题】
GPON的标准是ITU制定,其标准号为( )___
A. ITU-T G.985.x
B. ITU-T G.983.x
C. ITU-T G.984.x
D. ITU-T G.982.x
E.
F.
【单选题】
GPON的传输速率上行带宽为1.25Gbps,下行带宽为( )Gbps.___
A. 10
B. 2.5
C. 1.25
D. 1
E.
F.
【单选题】
GPON管理ONU是,使用哪种管理方式( )___
A. OAM
B. SNMP
C. FTP
D. OMCI
E.
F.
【单选题】
下列调制模式中,不属于IEEE802.16a定义的调制模式的是___
A. WirelessMAN.Sca
B. WirelessMAN.SC
C. WirelessMAN.OFDM
D. WirelessMAN.OFDMA
E.
F.
【单选题】
GPON将业务带宽分配方式分成4种类型,优先级从高到低分别是( )___
A. 固定带宽、保证带宽、非保证带宽和尽力而为带宽
B. 固定带宽、保证带宽、尽力而为带宽和非保证带宽
C. 保证带宽、固定带宽、非保证带宽和尽力而为带宽
D. 保证带宽、非保证带宽、固定带宽和尽力而为带宽
E.
F.
【单选题】
GPON上行与下行分别承载在不同的波长上,其下行波长为( )___
A. 850
B. 1550
C. 1490
D. 1310
E.
F.
【单选题】
GPON是基于( )协议封装方式.___
A. ATM封装
B. 以太网封装
C. GEM封装
D. ATM、GEM封装
E.
F.
【单选题】
GPON数据转发中,使用什么来区分不同的业务.( )___
A. GEMPORTID
B. DBA
C. TCONT
D. ONUID
E.
F.
【单选题】
通讯设备经常使用U作为高度的单位,其中1U等于( )CM.___
A. 5.445cm
B. 4.445cm
C. 3.445cm
D. 2.445cm
E.
F.
【单选题】
GPON系统采用WDM技术,实现( )方式的传输.___
A. 双纤单向
B. 单纤单向
C. 双纤双向
D. 单纤双向
E.
F.
【单选题】
GPON系统中,OLT通过( )管理维护通道对终端设备进行配置和维护.___
A. TR069
B. SNMP
C. OAM
D. OMCI
E.
F.
【单选题】
GPON中业务的最小承载单位是( )___
A. ONU
B. T-cont
C. IF pon
D. GEM PORT
E.
F.
【单选题】
GPON最大可达的分光比是( )___
A. 1:16
B. 1:32
C. 0.0861111111111111
D. 0.130555555555556
E.
F.
【单选题】
GTGO 业务板提供( )个PON口.___
A. 4
B. 8
C. 16
D. 2
E.
F.
【单选题】
下列有关封装技术的说法,错误的是( )___
A. GFP 封装方式可以提供客户管理帧
B. HDLC协议使用0X7E进行定帧,存在帧头转义时的网络攻击问题
C. LAPS 使用 HEC 定帧方式,减少由于帧头转义产生的问题
D. GFP标准定义了GFP-F、GFP-T两种方式
E.
F.
【单选题】
IPv4 数据包首部的最小长度为( )字节.___
A. 40
B. 20
C. 10
D. 30
E.
F.