信息与通信工程专业英语-试卷及答案.pdf

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1、装订线装订线装订线装订线-研究生课程期末考试试卷研究生课程期末考试试卷信息与通信工程专业英语信息与通信工程专业英语学学 年年 度度 第第学学 期期学院：学院：专业：专业：信息与通信工程信息与通信工程姓名：姓名：学号：学号：题号得分签名一二三四五六总分第第共共 3030一题、通信工程专业英语常用词组翻译。一题、通信工程专业英语常用词组翻译。（每小题（每小题 1.51.5 分，分，分分)得分1.将下列英文词组翻译为汉语。（1）Integrated circuit集成电路（2）Individual electrons单个电子（3）Bandwidth频带宽度（4）Conductor length导体长

2、度（5）Vector向量（6）Interface界面（7）Signal frequency信号频率（8）Voltage电压（9）Integral form积分形式（10）Tensor张量2.将下列汉语词组翻译为英语。（1）模拟器simulator（2）传导率conductivity（3）模式识别pattern recognition（4）种类category（5）数字技术digital techniques（6）语音识别speech recognition（7）磁共振magnetic resonance-（8）虚拟现实virtual reality（9）放大器amplifier（10）信息技术

3、information technology第二题、英文和汉语词组正确搭配。第二题、英文和汉语词组正确搭配。（每小组（每小组 1 1 分，共分，共 1010 分）分）（a a）Modulation sidebands数据得分信道f装（b b）Intermediatefrequency中频b订（c c）Analog system有监督学习e（d d）Feedback network载波信道j线（e e）Supervised learning模拟系统c（f f）Data channel反馈网络d（g g）Adaptive learning数字信号处理h（h h）Digital signal pro

4、cessing调制边带a（i i）Negative feedback自适应学习g（j j）Bearer channel负反馈i装订得分第三题、将下面几段文字翻译为汉语。第三题、将下面几段文字翻译为汉语。（每小题（每小题 4 4 分，共分，共 1212 分）分）1.Wi-Fi is the trademark for the popular wireless technology used in home networks,线mobile phones,video games and other electronic devices that require some form ofwirele

5、ss networking capability.Wifi 是流行无线技术的标志，用在家庭网络、移动电话、电子游戏等其他需要某种形式的无线网络容量的电子设备上。2.The natural sensors,like those found in living organisms,usually respond withsignals,having an electro-chemical character,that is,their physical nature is basedon ion transport,like in the nerve fibers.装天然的传感器，像在活体生物中发

6、现的那些传感器，通常以具有电化学特性的信号作为响应，也就是说，它们的物理性质基于离子传输，像在神经纤维一样。订线3.Some of the resulting wavelet coefficients correspond to details in the data set.Ifthe details are small,they might be omitted without substantially affecting the mainfeature of the data set.得到某些小波系数对应于数据集中的细节量。如果这些细节量取值小，可以忽略不计，而不会对数据集中的主要特征

7、产生本质影响。装订-得分第四题、将下面几段文字翻译为英语。第四题、将下面几段文字翻译为英语。（每小题（每小题 4 4 分，共分，共 8 8 分）分）1.输入权重和阈值的加入使得神经元更加灵活与强大。神经元具有通过改变权值或者阈值来适应具体情况的能力。The addition of input weights and thresholds makes neurons more flexible andpowerful.Neurons have the ability to adapt to specific situations by changingweights or thresholds.

8、2.如果我们把光波看作一种电磁波，那么无线通信的历史可以追溯到宇宙的起源。自从远古人类开始通过在山顶之间呐喊的方式来传递信息，人类便开始希望通过无线进行便捷有效的交流。If we think of light as an electromagnetic wave,the history of wirelesscommunication can be traced back to the origin of the universe.Since ancienthumans began to transmit information by shouting from top to top,they

9、 began tohope for convenient and effective communication through wireless.得分第五题、将读下面的第五题、将读下面的 2 2 篇阅读，并为每道题选择唯一正确的答案。篇阅读，并为每道题选择唯一正确的答案。（每小题（每小题 2 2分，共分，共 2020 分）分）Questions 1 to 5 are based on the following passage.Questions 1 to 5 are based on the following passage.Americas education system has b

10、ecome less a ladder of opportunity than astructure to transmit inequality from one generation to the next.Thats why school reform is so critical.This is an issue of equality,opportunityand national conscience.Its not just about education,but about poverty and justice.Its true that the main reason in

11、ner-city schools do poorly isnt teachers unions,butpoverty.Southern states without strong teachers，unions have schools at least asawful as those in union states.Some Chicago teachers seem to think that theyshouldnt be held accountable until poverty is solved.There are steps we can takethat would mak

12、e some difference,and Mayor Rahm Emanuel is trying some ofthemyet the union is resisting.Id be sympathetic if the union focused solely on higher compensation.Teachersneed to be much better paid to attract the best college graduates to the nations worstschools.But,instead,the Chicago union seems to b

13、e using its political capitalprimarily to protect weak performers.Theres solid evidence that there are huge differences in the effectiveness of teachers.-The gold standard study by Harvard and Columbia University scholarsfound thateven in high-poverty schools,teachers consistently had a huge positiv

14、e or negativeimpact.Get a bottom 1%teacher,and the effect is the same as if a child misses 40%ofthe school year.Get a teacher from the top 20%,and its as if a child has gone toschool for an extra month or two.The study found that strong teachers in the fourth through eighth grades raised装订线装订线装订线装订线

15、the skills of their students in ways that would last for decades.Just having a strongteacher for one elementary year left pupils a bit less likely to become mothers asteenagers,a bit more likely to go to college and earning more money at age 28.How does one figure out who is a weak teacher?Yes,thats

16、 a challenge.Butresearchers are improving systems to measure a teachers performance throughoutthe year,and,with three years of data,ifs usually possible to tell which teachers arefailing.Unfortunately,the union in Chicago is insisting that teachers who are laidoffoften for being ineffective should g

17、et priority in new hiring.Thats an insultto students.Teaching is so important that it should be like other professions,with high payand good working conditions but few job protections for bottom performers.This isnt a battle between garment workers and greedy bosses.The centralfigures in the Chicago

18、 schools strike are neither strikers nor managers but 350,000children.Protecting the union demand sacrifices those students,in effect turning ablind eye to the injustice in the education system.1.What do we learn about Americas education system?（B B）A)It provides a ladder of opportunity for the weal

19、thy.B)It contributes little to the elimination of inequality.C)It has remained basically unchanged for generations.D)It has brought up generations of responsible citizens.2.What is chiefly responsible for the undesirable performance of inner-city schools?（B B）A)Unqualified teachers.C)Unfavorable lea

20、rning environment.B)Lack of financial resources.D)Subconscious racial discrimination.3.What does the author think the union should do to win popular support?（C C）A)Assist the city government in reforming schools.C)Demand higher pay for teachers.B)Give constructive advice to inner-city schools.-D)Hel

21、p teachers improve teaching.4.What is the finding of the gold standard study by Harvard and ColumbiaUniversity scholars?（D D）A)Many inner-city school teachers are not equal to their jobs.B)A large proportion of inner-city children often miss classes.C)Many students are dissatisfied with their teache

22、rs.D)Student performance has a lot to do with teachers.5.Why does the author say the Chicago unions demand is an insult to students?（A A）A)It protects incompetent teachers at the expense of students.B)It underestimates students,ability to tell good teachers from poor ones.C)It makes students feel th

23、at they are discriminated against in many ways.D)It totally ignores students，initiative in the learning process.Questions 6 to 10 are based on the following passage.Questions 6 to 10 are based on the following passage.Air pollution is deteriorating in many places around the world.The fact thatpublic

24、 parks in cities become crowded as soon as the sun shines proves that peoplelong to breathe in green,open spaces.They do not all know what they are seekingbut they flock there,nevertheless.And,in these surroundings,they are generallyboth peaceful and peaceable.It is rare to see people fighting in a

25、garden.Perhapsstruggle unfolds first,not at an economic or social level,but over the appropriationof air,essential to life itself.If human beings can breathe and share air,they dont need to struggle with oneanother.Unfortunately,in our western tradition,neither materialist nor idealisttheoreticians

26、give enough consideration to this basic condition for life.As forpoliticians,despite proposing curbs on environmental pollution,they have not yetcalled for it to be made acrime.Wealthy countries are even allowed to pollute ifthey pay for it.But is our life worth anything other than money?The plant w

27、orld shows us insilence what faithfulness to life consists of.It also helps us to a new beginning,urging us to care for our breath,not only at a vital but also at a spiritual level.Theinterdependence to which we must pay the closest attention is that which existsbetween ourselves and the plant world

28、.Often described as the lungs of the planet,the woods that cover the earth offer us the gift of breathable air by releasing oxygen.But their capacity to renew the air polluted by industry has long reached its limit.Ifwe lack the air necessary for a healthy life,it is because we have filled it withch

29、emicals and undercut the ability of plants to regenerate it.As we know,rapideforestation combined with the massive burning of fossil fuels is an explosiverecipe for an irreversible disaster.-装订线-The fight over the appropriation of resources will lead the entire planet to hellunless humans learn t sh

30、are life,both with each other and with plants.This task issimultaneously ethical and political because can be discharged only when each takesit upon herself or himself and only when it is accomplished together with others.The lesson taught by plants is that sharing life expands and enhances the sphe

31、re cthe living,while dividing life into so-called natural or human resources diminishes it.We must come t view the air,the plants and ourselves as the contributors to the装订线装订线装订线preservation of life and growth,rather than a web of quantifiable objects orproductive potentialities at our disposal.Per

32、haps then we would finally begin to live,rather than being concerned with bare survival.6.What does the author assume might be the primary reason that people wouldstruggle with each other（A A）A.To get their share of clean air.B.To pursue a comfortable life.C.To gain a higher social status.D.To seek

33、economic benefits.7.What does the author accuse western politicians of?（D D）A.Depriving common people of the right to clean air.B.Giving priority to theory rather than practical action.C.Offering preferential treatment to wealthy countries.D.Failing to pass laws to curb environmental pollution.8.Wha

34、t does the author try to draw our closest attention to?（B B）A.The massive burning of fossil fuels.B.Our relationship to the plant world.C.The capacity of plants to renew polluted air.D.Large-scale deforestation across the world.9.How can human beings accomplish the goal of protecting the planet acco

35、rding tothe author?（D D）A.By showing respect for plants.B.By preserving all forms of life.C.By tapping all natural resources.D.By pooling their efforts together.10.What does the author suggest we do in order not just to survive?（C C）A.Expand the sphere of living.B.Develop natures potentials.C.Share

36、life with nature.-D.Allocate the resources.得分第六题、写作。第六题、写作。（2020 分）分）In recent years,“Wechat”is becoming increasingly popular.Many peopleexpress themselves,exchange ideas and deliver information by Wechat.Somepeople believe that Wechat is good for us,while others hold that it creates manyproblems.Please write an essay to give your comments on Wechat.You should writeno less than 200 words on the ANSWER SHEET.-