【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
查看试卷,进入试卷练习
微信扫一扫,开始刷题

答案
C
解析
暂无解析
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
推荐试题
【单选题】
环境温度对铅酸蓄电池的使用寿命有很大影响,所以应注意UPS电池房的环境温度;正常工作温度()℃左右。___
A. 35℃
B. 30℃
C. 15℃
D. 25℃
E.
F.
【单选题】
基于Layer 4 的负载均衡与基于Layer 7 的负载均衡有什么区别.( )___
A. 基于Layer 4 的负载均衡在截取数据流以后,对数据包要检查与分析的部份仅仅限于IP 报头及TCP/UDP 报头,而基于Layer7 的负载均衡,则还要理解数据包中4层以上的信息,也即应用层的信息。
B. 基于Layer4 与基于Layer7 负载均衡或交换对数据包检查的深度不一样,基于Layer4 的交换偏重的是网络层,而Layer7 偏重的是应用层,与应用结合很紧密。
C. 负载均衡器在作这两种方式的负载均衡时的性能也不一样。
D. 以上都是
E.
F.
【单选题】
假设一个主机的IP地址为192.168.5.121,而子网掩码为255.255.255.248,那么该主机的子网号为___
A. 192.168.5.121
B. 192.168.5.120
C. 192.168.5.1
D. 192.168.5.248
E.
F.
【单选题】
假设在otnm2000中的网元属性中的开关1、开关2分别是3F、FB,那么对于32方向EMU盘中K5、K6的开关拨号应该是:( ) ___
A. K5: 00011111 K6: 11111011
B. K5: 00111111 K6: 1111001
C. K5: 01111111 K6: 01111011
D. K5: 00111111 K6: 11111011
E.
F.
【单选题】
ZXCTN 6100利用( )技术实现面向连接的业务承载,并采用针对电信承载网优化的MPLS(MultiprotocolLabel Switching)转发技术,配以完善的OAM(Operation,Administration and Maintenance)和保护倒换机制,利用分组传送网提供了电信级别的业务___
A. PWE3
B. CES
C. IMA
D. E1
E.
F.
【单选题】
交换机收到数据帧的帧头后,根据帧头的目的MAC地址立即转发帧,这种转发模式称之为( )___
A. Cut-Through
B. Store-and-Forward
C. Fragment-free
D. Store-free
E.
F.
【单选题】
交换机收到完整的数据帧后,执行CRC校验,检查通过后才转发帧,这种转发模式称之为( )___
A. Cut-Through
B. Store-and-Forward
C. Fragment-free
D. Store-free
E.
F.
【单选题】
交换局利用TUP消息完成一次呼叫接续控制,接续过程顺利,双方通话后被叫挂机结束通话。此次呼叫对主叫计费。下面列出了几个信令过程,请选出最有可能的一个。( )(信令过程以双方发送的消息顺序排列)___
A. IAM、SAO、SAO、ACM、ANC、CLF、RLG
B. IAM、STB、CLF、RLG
C. IAM、SAO、SAO、ACM、ANC、CBK、CLF、RLG
D. IAM、SAO、SAO、ACM、ANN、CLF、RLG
E.
F.
【单选题】
路由器不需要知道完整转发路径,只知道到达目的地的最近的下一跳如何走,这种报文中继转发的过程我们称之( )___
A. hop by hop forwarding
B. host by host forwarding
C. router by router forwarding
D. network by network forwarding
E.
F.
【单选题】
下列BGP 属性属于可选过渡的是( )___
A. ORIGIN
B. AS_PATH
C. NEXT_HOP
D. MED
E. LOCAL_PREF
F. COMMUNITY
【单选题】
路由器的访问控制列表ACL的作用是( )___
A. ACL可以监控交换的字节数
B. ACL提供路由过滤功能
C. 使用Dijkstra算法来生成拓扑数据库
D. 使用LSA分组来更新和维护拓扑数据库
E.
F.
【单选题】
路由器是怎样在AS 之间交换外部路由信息( )___
A. 通过把路由引入到IGP
B. 通过IBGP
C. 通过EBGP
D. 通过边界路由器向外发布本地路由信息
E.
F.
【单选题】
默认情况下,阿卡7750SR的POS端口及以太网端口OSPF的网络类型是( )___
A. point-to-point, point-to-multipoint
B. broadcast, point-to-multipoint
C. point-to-multipoint, broadcast
D. point-to-point, broadcast
E.
F.
【单选题】
某622设备割接部分2M业务(PD1),但发现新割接的业务不通,用2M误码仪测试也不能。通过网管查询,这些通道没有任何告警、性能事件;但查询时隙配置正常。即使将这些2M端口的输入、输出电缆都拔掉,该2M口也没有任何告警,则可以是:( ) ___
A. PD1板故障
B. 业务配置已作,但配置错误
C. 没有配置相应2M业务
D. 交叉板故障
E.
F.
【单选题】
某GPON局点采用二级分光组网,一级采用1:4分光,二级采用1:8分光,则该局点的分光比为()___
A. A.1:4
B. B.1:8
C. C.1:12
D. D.1:32
E.
F.
【单选题】
某PTN网络突然出现大量网元脱管,各网关PING得通,但丢包严重,可能原因为( )___
A. 网管配置的数据以太网交换机之间成环或交换机故障
B. 光缆故障
C. 温度故障
D. 停电
E.
F.
【单选题】
某公司使用Exchange Server2003作为邮件服务器,管理员希望在邮件系统崩溃时得到通知,他应采取的方法是设置( )___
A. 电子邮件通知
B. 紧急通知
C. 脚本通知
D. 崩溃通知
E.
F.
【单选题】
此时当该路由器从以太网口收到一个发往 10.1.1.1 主机的数据包时,路由器如何处理( )___
A. 从 Serial0 转发给 2.2.2.1
B. 从 Ethernet0 转发给 2.2.2.1
C. 从 Serial0 转发给目标主机
D. 从
E. thernet0 转发给目标主机 E.
F.
【单选题】
此时当该路由器从以太网口收到一个发往 11.1.1.1 主机的数据包时,路由器如何处理.( )___
A. 丢掉
B. 从 Serial0 转发
C. 从 Ethernet0 转发
D. 从 LoopBack0 转发
E.
F.
【单选题】
TRUNK配置选用自适应模式的好处( )___
A. 便于逻辑端口自适应速率
B. 可以防止聚合组状态频繁变化
C. 便于物理端口自适应速率
D. 可以防止单通情况发生
E.
F.
【单选题】
目前BRAS承载家庭宽带最常用的认证方式是PPPOE,下列关于PPPoE的说法正确的是( ) ___
A. PPPoE协议将以太网帧封装在ppp报文之内,提供点对点的连接
B. PPPoE协议分为三个不同阶段:Discovery阶段、Offer阶段和PPP Session阶段;
C. PPPoE与PPP协议不同的是,PPPoE的Discovery阶段建立的是一种Client/Server关系,而PPP建立的是一种对等关系。通过Discovery阶段,一个主机(Client)可以发现一个接入集中器(Server),在Discovery阶段正常结束后,主机和接入集中器就可以通过MAC地址和会话标识来建立PPPoE会话
D. PPPoE和PPP的协商过程完全不同
E.
F.
【单选题】
目前TP升级的网管版本必须为哪个版本( )___
A. 04.20.05.10sp19
B. 04.20.05.26sp2
C. 04.20.05.26sp5
D. 04.20.05.26sp10
E.
F.
【单选题】
目前烽火网管类有偿服务产品不包括( )___
A. IAMS集成维护系统
B. OTNM2000大容量网管和网络管理优化
C. OTNM2000网管系统容灾
D. MSTP网络优化方案
E.
F.
【单选题】
有一组IP地址 221.224.217.9~221.224.217.16 子网掩码为:255.255.255.248,该组IP地址实际可用IP地址个数为 ( )___
A. 3个
B. B、8个
C. C、5个
D. D、4个
E.
F.