【单选题】
电子邮件帐号wangj@bipt.edu.cn中,bipt.edu.cn是___。
A. 用户名
B. 主机域名地址
C. 协议名称
D. 万维网的网址
查看试卷,进入试卷练习
微信扫一扫,开始刷题

答案
B
解析
暂无解析
相关试题
【单选题】
通信子网为网络源结点与目的结点之间提供了多条传输路径的可能性,路由选择指的是___。
A. 建立并选择一条物理链路
B. 建立并选择一条逻辑链路
C. 网络中间结点收到一个分组后,确定转发分组的路径
D. 选择通信介质
【单选题】
在下面对OSI参考模型的数据链路层的功能特性描述中,哪一项是不正确的?___
A. 通过交换与路由,找到数据通过网络的最有效的路径
B. 数据链路层的主要任务是提供一种可靠的通过物理介质传输数据的方法
C. 将数据分解成帧,按顺序传输帧,并处理接收端发回的确认帧
D. Ethernet的数据链路层分为LLC和MAC子层,并在MAC子层使用CSMA/CD协议争用信道
【单选题】
下面属于TCP/IP协议族中网络互联层协议的是___。
A. IGMP、UDP、IP
B. IP、DNS、ICMP
C. ICMP、ARP、IP
D. FTP、IGMP、SMTP
【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
【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
推荐试题
【单选题】
PPD试验(+++)为___
A. 硬结直径20mm以上
B. 红斑直径20mm以上
C. 硬结直径10~20mm以上
D. 红斑直径15mm以上
E. 红斑直径20mm以上伴水疱及局部坏死
【单选题】
关于宫颈原位癌的说法,正确的是___
A. 好发部位为宫颈鳞状上皮区域内
B. 病变限于上皮层内,基底膜未穿透
C. 宫颈上皮内瘤样病变即为宫颈原位癌
D. 与宫颈重度不典型增生无明显区别
E. 阴道镜检查多能与镜下早期浸润癌相鉴别
【单选题】
结核菌素实验结果,以下哪项正确___
A. 结核菌素实验阴性者可排除结核病
B. 卡介苗接种成功,结核菌素实验呈强阳性
C. 粟粒性结核时,结核菌素实验可呈阴性
D. 结核菌素实验强阳性者可肯定结核感染
E. 3岁以内阳性者未接种卡介苗不一定有活动性结核
【单选题】
有关无排卵性功血的说法,错误的是___
A. 青春期功血的主要原因是下丘脑-垂体-卵巢轴调节功能尚未健全
B. 绝经过渡期功血的主要原因是卵巢功能衰竭,卵泡几乎耗竭
C. 生育期功血的主要原因是卵巢排卵不规则
D. 无排卵性功血多见于青春期和绝经过渡期妇女
E. 是指由于调节生殖的神经内分泌功能紊乱所导致的不规则子宫出血
【单选题】
有关蜕膜的描述下列哪项正确___
A. 孕卵着床后,子宫内膜受孕激素作用发生蜕膜变
B. 与囊胚极滋养层接触的蜕膜称底蜕膜
C. 覆盖在囊胚上面的蜕膜称真蜕膜
D. 除底蜕膜外覆盖于子宫腔表面的蜕膜称包蜕膜
E. 随宫腔增大,约在妊娠16周包蜕膜与真蜕膜贴近而宫腔消失
【单选题】
女性,61岁,左半结肠癌根治术后5天,仍未排气,且伴严重腹胀,无肠鸣音,诊断为肠梗阻。考虑其肠梗阻的类型为___
A. 机械性绞窄性肠梗阻
B. 机械性单纯性肠梗阻
C. 麻痹性肠梗阻
D. 血运性肠梗阻
E. 痉挛性肠梗阻
【单选题】
下列有关流行性乙型脑炎流行病学的描述,错误的是___
A. 以显性感染为主
B. 主要通过蚊虫叮咬传播
C. 主要流行于夏秋季
D. 感染后可获持久免疫力
E. 人对乙脑病毒普遍易感
【单选题】
一名艾滋病患者在社区医院就医后,发现自己患病的消息被护士告诉了所在社区的居民,导致邻居们对这名患者的态度非常排斥,这名护士损害了该患者的什么权利___
A. 健康权
B. 知情同意权
C. 姓名权
D. 医疗权
E. 隐私权