信息与通信工程专业英语-试卷及答案

1、题号一二三四五六总分得分签名第一题、通信工程专业英语常用词组翻译。1.将下列英文词组翻译为汉语。(1) Integrated circuit(每小题1.5分,共30分)集成电路(2)Individual electrons单个电子(3)Bandwidth频带宽度(4)Conductor length导体长度(5)Vector向量(6)Interface界面Signal frequency心所(8)Voltage电压(9)Integral form积分形式(10)Tensor张量研究生课程期末考试试卷信息与通信工程专业英语学年度第 学期学院： 专业： 信息与通信工程姓名：学号：.将汉语词组翻译为

2、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磁共振magnetic resonance(8)虚拟现实virtual reality(9)放大器amplifier(10：）信息技术information technology2(a)Modulation sidebands数据信道f(b)Intermediate frequency中频一b(c)Analog system有监督学习_e(d)Fe

3、edback network载波信道_j(e)Supervised learning模拟系统.c(f)Data channel反馈网络d(g)Adaptive learning数字信号处理_h(h)Digital signal processing调制边带a(i)Negative feedback自适应学习一-g(j)Bearer channel负反馈_i0（每小组1分，共10分）第二题、英文和汉语词组正确搭配第三题、将下面几段文字翻译为汉语。（每小题4分，共12分）1 .Wi-Fi is the trademark for the popular wireless technology us

4、ed in home networks, mobile phones, video games and other electronic devices that require some form of wireless 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 with signals, having an electro-ch

5、emical character, that is, their physical nature is based on ion transport, like in the nerve fibers.天然的传感器，像在活体生物中发现的那些传感器，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。3 . Some of the resulting wavelet coefficients correspond to details in the data set. If the details are small, they might be omi

6、tted without substantially affecting the main feature 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产生本质影响。第四题、将下面几段文字翻译为英语。（每小题4分，共8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 and powerful. Neur

7、ons have the ability to adapt to specific situations by changing weights or thresholds.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 wireless communication can be traced back to the origin of the

8、 universe. Since ancient humans began to transmit information by shouting from top to top, they began to hope for convenient and effective communication through wireless.第五题、将读下面的2篇阅读，并为每道题选择唯一正确的答案。（每小题2分，共20Questions 1 to 5 are based on the following passage.America's education system has beco

9、me less a ladder of opportunity than a structure to transmit inequality from one generation to the next.That's why school reform is so critical. This is an issue of equality, opportunity and national conscience. It's not just about education, but about poverty and justice.It's true that

10、the main reason inner-city schools do poorly isn't teachers' unions, bu poverty. Southern states without strong teachers' , unions have schools at least as awful as those in union states. Some Chicago teachers seem to think that they shouldn't be held accountable until poverty is sol

11、ved. There are steps we can take that would make some difference, and Mayor Rahm Emanuel is trying some of themyet the union is resisting.I'd be sympathetic if the union focused solely on higher compensation. Teachers need to be much better paid to attract the best college graduates to the natio

12、n's worst schools. But, instead, the Chicago union seems to be using its political capital primarily to protect weak performers.There's solid evidence that there are huge differences in the effectiveness of teachers.The gold standard study by Harvard and Columbia University scholars found th

13、at even in high-poverty schools, teachers consistently had a huge positive or negative impact.Get a bottom 1% teacher, and the effect is the same as if a child misses 40% of the school year. Get a teacher from the top 20%, and it's as if a child has gone to school for an extra month or two.The s

14、tudy found that strong teachers in the fourth through eighth grades raised the skills of their students in ways that would last for decades. Just having a strong teacher for one elementary year left pupils a bit less likely to become mothers as teenagers, a bit more likely to go to college and earni

15、ng more money at age 28.How does one figure out who is a weak teacher? Yes, that's a challenge. But researchersare improving systems to measure a teacher's performance throughout the year, and, with three years of data, ifs usually possible to tell which teachers are failing.Unfortunately, t

16、he union in Chicago is insisting that teachers who are laid offoften for being ineffective should get priority in new hiring. That's an insult to students.Teaching is so important that it should be like other professions, with high pay and good working conditions but few job protections for bott

17、om performers.This isn't a battle between garment workers and greedy bosses. The central figures in the Chicago schools strike are neither strikers nor managers but 350,000 children. Protecting the union demand sacrifices those students, in effect turning a blind eye to the injustice in the educ

18、ation system.1. What do we learn about America's education system ?B)A) It provides a ladder of opportunity for the wealthy.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.

19、 What is chiefly responsible for the undesirable performance of inner-city schools? (B)A) Unqualified teachers.C) Unfavorable learning 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)A) Ass

20、ist the city government in reforming schools.C) Demand higher pay for teachers.B) Give constructive advice to inner-city schools.D) Help teachers improve teaching.4. What is the finding of the gold standard study by Harvard and ColumbiaUniversity scholars? (D)A) Many inner-city school teachers are n

21、ot equal to their jobs.B) A large proportion of inner-city children often miss classes.C) Many students are dissatisfied with their teachers.D) Student performance has a lot to do with teachers.5. Why does the author say the Chicago unions demand is an insult to studentsA)A) It protects incompetent

22、teachers at the expense of students.B) It underestimates students, ability to tell good teachers from poor ones.C) It makes students feel that 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 p

23、assage.Air pollution is deteriorating in many places around the world. The fact that public parks in cities become crowded as soon as the sun shines proves that people long to breathe in green, open spaces. They do not all know what they are seeking but they flock there, nevertheless.And, in these s

24、urroundings, they are generally both peaceful and peaceable.It is rare to see people fighting in a garden. Perhaps struggle unfolds first, not at an economic or social level, but over the appropriation of air, essential to life itself.If human beings can breathe and share air, they don't need to

25、 struggle with one another. Unfortunately, in our western tradition, neither materialist nor idealist theoreticians give enough consideration to this basic condition for life. As for politicians, despite proposing curbs on environmental pollution, they have not yet called for it to be made a crime.

26、Wealthy countries are even allowed to pollute if they pay for it.But is our life worth anything other than money? The plant world shows us in silence 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 spirit

27、ual level. The interdependenceto which we must pay the closest attention is that which exists between ourselves and the plant world. 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 r

28、enew the air polluted by industry has long reached its limit. If we lack the air necessaryfor a healthy life, it is because we have filled it with chemicals and undercut the ability of plants to regenerateit. As we know, rap deforestation combined with the massive burning of fossil fuels is an explo

29、sive recipe for an irreversible disaster.The fight over the appropriation of resources will lead the entire planet to hell unless humans learn t share life, both with each other and with plants. This task is simultaneously ethical and political because can be discharged only when each takes it upon

30、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 sphere c the living, while dividing life into so-called natural or human resources diminishes it.We must come t view the air, the plants and ourselves a

31、s the contributors to the preservation of life and growth, rather than a web of quantifiable objects or productive potentialities at our disposal. Perhaps 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 th

32、at people would struggle with each other (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 economic benefits.7. What does the author accuse western politicians of ?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. F