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СОДЕРЖАНИЕ

Федеральное агентство связи

Государственное образовательное учреждение высшего профессионального образования

«Сибирский государственный университет

телекоммуникаций и информатики»

(ГОУ ВПО «СибГУТИ»)

Н.Н. Клещина

АНГЛИЙСКИЙ ЯЗЫК

Практикум

по грамматике, чтению и переводу

с английского языка

Новосибирск

2008

Оглавление

Предисловие………………………………………………………………………05

Unit 1

Текст «The electronic age»…………………………………………………...09

Unit 2

Конструкции as…as, such…as, not so …as…………………………………17

Unit 3

Условные предложения……………………………………………………..76

Значения слова provide……………………………………………………...79

Значения союзов unless, suppose, in case, on condition that, but for……….79

Словообразование. Префиксы. …………………………………………….80

Сослагательное наклонение (The Subjunctive Mood)……………………...85

Сослагательное наклонение после безличных предложений…………….86

Сослагательное наклонение после глагола wish…………………………..88

Конструкции would rather и had better……………………………………...89

Предисловие

Данный практикум предназначен для студентов технических специальностей первого и второго курсов как для аудиторной, так и для самостоятельной работы.

III. Fill in the verbs to be, to have in the right form.

1. The Moon … a natural satellite of the Earth.

2. There ….two kinds of electricity, positive and negative.

3. The second half of the 19th century ….a period of rapid growth of electrical engineering.

4. Our university …old and new buildings.

5. Every faculty …its own computer center.

6. He …a wide experience in his speciality.

7. I…greatly interested in modern technology.

8. Mobile phones ….a great number of users nowadays.

9. In the past messages to and from Europe ….sent by ship.

10. Today the word “electronics” …in general usage.

XIX. Match the words with their definitions.

1. Electronics 6. Device

2. Circuit 7. Transistor

3. Application 8. Sensor

4. Chip 9. Storage

5. Development 10. Invention

a) a piece of equipment that has been designed to do a particular job;

b) a device that can react to light, heat pressure in order to make a machine do something;

c) the branch of science or technology that studies electronic currents in electronic equipment;

d) a very small piece of a material that is used to carry a complicated electronic circuit;

e) the process of keeping information on a computer;

f) the complete path of wires and equipment along which an electric current flows;

g) a thing or an idea that has been invented;

h) a small electronic device used in computers, radios, televisions for controlling an electric current as it passes along a circuit;

i) the practical use of something, especially theory, discovery, etc;.

j) the gradual growth of something so that it becomes more advanced and stronger.

Before the development of transistors, vacuum tubes were the main active components in electronic …………….

5. …………… rapidly transmit TV and radio programs to different towns, cities, and distant areas.

9. The signal is sent over the communication channel from the transmitter to the …………….

1. The advantages of miniature circuits on silicon chips had a profound …………… on the “space race” which began when Russia launched Sputnik in 1957.

2. Along with the increasing circuit complexity there was a doubling in the information processing …………….. of the silicon chip.

4. Semiconductors use such materials as ………….. , silicon and gallium arsenide.

5. The …………. of the water is tested regularly.

6. Gas and oil ……………. always increases in cold weather.

7. The two teams have always been …………... .

8. The .................. of the results depends on the modernization of the equipment.

XIV. Combine words from Box A with words from Box B to make collocations.

XV. Make nouns from the following verbs.

To respond, to amplify, to replace, to compete, to operate, to perform, to form, to grow, to consume, to wide.

XVI. Find synonyms to the following words in the first part of the text.

Competitor, stage, to display, to need, difficult, to remove, feature, strong

XVII. Phrasal verbs: bring and turn. Fill in the correct particle.

XVIII. Make sentences out of two parts.

XIX. Translate the sentences, paying attention to the meanings of highlighted words.

XX. Discussion. In pairs discuss the following questions.

1. Speak about three generations of electronics: valve, transistor and integrated circuit. Give examples.

2. Discuss the following quotation: “Modern science and techniques have taught mankind at least one lesson: Nothing is impossible”. Lewis Mumford (US philosopher).

I. Define the forms of the Infinitives.

II. Comment on the forms and functions of the Infinitive. Translate the sentences into Russian.

III. Complete the sentences by using suitable infinitives.

1. This car is designed …

2. The young man works hard …

3. I went abroad …

4. To be up to date means …

5. We have decided …

6. Satellites are used …

7. Amplifier is able …

8. Experiments helped Mendeleev …

9. There are projects …

10. One way to safe our environment is …

IV. Use to before the Infinitives where possible.

V. Complete the sentences using to or for.

VI. Use the right form of the Infinitive in brackets.

VII. Complete the sentences using either too or enough.

1. The river is … polluted to swim.

2. Erica is old … to make her own decisions.

3. The exam was … difficult for me.

4. The hole in the ozone layer means that parts of the earth don′t get … protection from ultraviolet radiation.

5. Materials used for supersonic structure must be strong … to withstand the air resistance at high speeds.

6. This car is … expensive for me to buy.

7. The voice warning system for cars requires the connection of 18 wires, but it is simple … to be installed in a car.

8. The silicon-dioxide layer of transistors is … thin to be a perfect insulator.

9. I′m sorry I could not take your call before; the signal on my phone was … weak.

10. Infrared rays emitted by any object on the road are to be intensive … for sensors to pick them up.

VIII. Make one sentence from two. Complete the new sentence using too or enough.

Example: I can′t buy this computer. It is too expensive for me.

This computer is too expensive for me to buy.

The piano …

The situation …

Some …

4. Light beam of a laser can vaporize the hardest and most heat-resistant materials. It is intensive enough.

Light beam …

The “night vision” system …

IX. Read the text. Express the main idea of the text. Translate it.

Electrons in atoms

constituent – составная часть, составляющая

particle – частица

overall – полный, общий, предельный

magnitude – величина, размер

to deflect – отражать

shell – оболочка

abundant – избыточный

minute – крохотный, мелкий, незначительный

thermistor – терморезистор

heat sensor – тепло-чувствительный элемент

to embed – впитывать посторонние смеси, погружать, внедрять

acceptor – акцептор (тип примеси в полупроводнике)

doping – добавление примесей

impurity – примесь

to donate – выпустить

negligible – незначительный

hole – дырка

bond - связь, соединение

X. Find the Infinitives in the text and define their functions.

XI. Read the text again and answer the questions.

XIII. Complete the sentences using the correct variant.

XIV. Combine words from Box A with words from Box B to make collocations.

XV. Connect the words with their definitions.

5. resistance 10. electron

11. hole

a) a very small piece of a substance with a positive electric charge that forms part of the nucleus.

b) a very small piece of a substance with a negative electric charge found in all atoms.

c) a vacancy in the crystal structure of a semiconductor that is able to attract an electron.

d) an element such as boron that is added to silicon to produce a semiconductor with desirable electrical qualities.

e) the central and relatively small part of an atom that is made up of protons and neutrons.

f) a particle in the nucleus of an atom that has no electrical charge and a mass roughly equal to that of the proton.

h) the smallest particle of a chemical element that can exist alone.

i) the outer structure or layer of something.

j) a force that stops something moving or makes it move more slowly.

k) a very small piece of matter, such as an electron or proton, that is part of an atom.

2. The main reason semiconductor materials are so useful is that the behaviour of a semiconductor can be easily manipulated by the addition of impurities, known as…

3. A semiconductor without … is called a natural semiconductor.

4. In a crystal of pure silicon, each of the four outer “valence” electrons forms a covalent bond with an electron from a neighbouring silicon ….

5. The electrons in a model of a silicon structure are arranged in what are known as … surrounding the nucleus.

6. Electrical … is a measure of the ease (or difficulty) with which electrical current is able to flow through a material.

7. There are no free … available in a crystalline structure to make silicon conduct electricity and so it is an insulator.

8. The flow of … can be likened to the movement of an empty seat in a row of a theatre seat.

9. Electrical insulators contain electrons that are more strongly bound to the parent … and therefore free electrons are scarce.

10. A model of a silicon atom has fourteen electrons surrounding a nucleus containing fourteen … and fourteen neutrons.

XVII. Form the correct verb from the word in bold using suffixes: -en, -ise, -ify, or prefix en-.

1. I think you should … (large) some of the photographs.

2. The teacher should … (simple) the information so that everybody understands it.

3. They are planning to … (modern) the factory and buy new machinery.

4. They boiled the water in order to… (pure) it.

5. The council has decided to … (wide) the main road into the city centre.

6. The government promised to … (broad) access to higher education.

7. The study of science … (rich) all our life.

8. Please, ... (close) all translated words in brackets.

9. My parents always … (courage) me in my choice of career.

10. Nothing could … (weak) his determination to continue.

XVIII. Fill in the correct preposition (in, on, to, from, for, of, with).

XIX. Use the verbs in brackets in the required form of the Infinitive.

XX. Discussion. In pairs discuss the following questions.

I. Find the infinitives and translate the following sentences.

III. Translate the sentences paying attention to the for-to-infinitive construction.

IV. Translate the sentences paying attention to the Complex Subject.

X. Read the text. Express the main idea of the text. Translate it.

XI. Find the Infinitives in the text and define their functions.

XII. Find the sentences with the Complex Object and the Complex Subject in the text.

XIII. Read the text again and answer the questions.

XV. Combine words from Box A with words from Box B to make collocations.

XVI. Connect the words with their definitions.

XVIII. Translate the sentences into Russian, paying attention to the meanings of highlighted words.

XIX. Translate the sentences into Russian paying attention to the words either and neither and their combinations.

IV. Translate the sentences paying attention to Participle II in the function of attribute.

V. Translate the sentences paying attention to Participle II in the function of adverbial modifier.

VI. Translate the sentences, define the types of Participles and their functions.

VII. Make sentences beginning with Having ….

Example: We finished our work. We went home.

Having finished our work, we went home.

1. He wrote the letter, then he sent e-mail.

2. The plane was delayed by technical problems. It took off one hour late.

3. I had seen photographs of the place. I had no desire to go there.

4. Marie and Pierre Curie discovered radium. It gave them the possibility to discover other radioactive substances.

5. Lodygin discovered that carbon filaments were not efficient enough, that is why he tried to find some other material, more suitable for the purpose.

6. Teams of physicists, chemists and metallurgists were brought together and materials and theories were improved.

7. The substance was heated and it changed its properties.

8. New features were added and it changed the appearance of mobile phones.

10. In 1994 Tim Berners-Lee left CERN, the particle physics laboratory near Geneva where he created the World Wide Web. He moved to the Massachusetts Institute of Technology (MIT).

VIII. Complete the sentences with Participle I or Participle II.

IX. Translate the sentences paying attention to Absolute Participial Construction.

X. Join two sentences using Absolute Participial Construction.

Example: a) The electric candle had been invented.

b) The problem of lighting was solved.

The electric candle having been invented, the problem of lighting was solved.

b) The invention of the incandescent filament lamp belongs to him.

2. a) A series of attempts had been made.

b) He came to a successful solution of the problem.

3. a) Tungsten was used for the filament.

b) Lodygin solved the problem of the incandescent lamp.

4. a) Numerous experiments had been carried out at the orbital stations.

b) It became possible to develop new methods of industrial production of new materials.

5. a) Numerous experiments were over.

b) Newton was able to write his work very quickly.

XI. Read the text. Express the main idea of the text. Translate it.

A new old idea

to flick – щёлкнуть

flicker - короткая вспышка, мерцание

to relay – передавать

set-up - структура, система, настройка

free-space optics - оптическая система в открытом пространстве

to be afoot – готовиться

car headlight – фара автомобиля

tail-light - задний габаритный фонарь

to alert – предупредить об опасности

to snoop – шпионить

to piggy-back on – использовать в своих интересах

broadband connection – широкополосное соединение

transceiver – приемопередатчик

to intercept – перехватывать, задерживать

directional transmitter – передающая радиопеленгаторная станция

obsolete – устаревший

to pursue - следовать

incandescent bulb – лампа накаливания

XII. Find the Participles in the text and define their functions.

XIII. Read the text again and answer the questions.

XV. Combine words from Box A with words from Box B to make collocations.

XVI. Connect the words with their definitions.

a source of light that contains a heated solid, such as an electrically heated filament;

a narrow unidirectional flow of laser radiation or particles;

an instrument with mirrors and a shutter used to send messages in Morse Code by reflecting the sun′s rays;

a transmission technique using a wide range of frequencies that enables messages to be sent simultaneously, used in fast Internet connections;

a part of a radio or a piece of musical or computing equipment that the sound comes out of;

a light spread over a wide area;

a station which produces signals, sounds in one particular direction;

an optical system in which light is used to send information.

XVII. Find synonyms for the words and words combinations in the text.

to convey, huge, lamp, being planned, to warn, to prevent, disadvantage, out of date, to give off, a look at something, to move something quickly.

XIX. Translate the sentences, paying attention to the meanings of highlighted words.

XX. Translate the sentences paying attention to the word since.

XXI. Discussion. In pairs discuss the following questions.

“Change is not made without inconvenience, even from worse to better”. Richard Hooker (British theologian).

I. Translate the sentences paying attention to the forms of the Gerund.

II. Use the right form of the Gerund of the verbs in brackets.

III. Comment on the forms and functions of the Gerunds.

IV. Complete the sentences. Add the necessary preposition (by, at, about, in, on, of, to, for, from).

V. Complete the sentences. Add the necessary preposition.

– We do insist …

6. Being a student he was interested …

7. I am capable …

8. Scientists succeeded …

9. There is no point…

10. You must take precautions …

VI. Translate the following sentences paying attention to the gerundial construction.

VII. Read and translate the sentences. State whether the ing-form is a Gerund, a Verbal noun or a Participle.

VIII. Use the Gerund instead of the Subordinate Clause.

IX. Comment on the difference between the following pairs of sentences.

1. I like playing computer games. I would like to play computer games.

2. The manager stopped speaking on the phone. The manager stopped to pick up the file.

3. If you want to improve your English, you can try watching English films. I am trying to study new material.

7. Don`t forget to turn off your computer. I shall never forget visiting London.

8. I shall get it done even if it means working hard. I mean to work all night in order to finish this project.

X. Complete the sentences with the Infinitive or Gerund of the verbs in brackets after regret, remember, mean, try and stop.

XI. Complete the sentences with the Infinitive or Gerund of the verbs in brackets.

XII. Read the text, translate it and comment on the –ing forms.

Turn on, turn in - to any station anywhere

None of the drawbacks matter in the long run. After setting up the system it is a breeze to get it to do whatever you want.

а stand-alone device – независимое, автономное устройство

to cry out – настоятельно требовать, нуждаться

a subwoofer – динамик низких частот

to buffer – изолировать

a breeze – пустяк, легкая задача

XIII. Read the text. Express the main idea of the text. Translate it.

Analogue television basics

to radiate – излучать

vidicon tube – видикон

electron gun – электронный прожектор, электронная пушка

scanning coil – отклоняющаяся катушка

AF - audio frequency – звуковая частота

scanning – обследование, развертка изображения

flyback – обратный ход луча

raster – растр

to deflect – отклонять

field scan – полевая развертка

line scan – строчная развертка

glass envelope – стеклянная колба, баллон

flared – расширяющийся, расширенный на конус

to clamp – зажимать, фиксировать

bandwidth – ширина полосы часто, полоса частот

interlaced scanning – черезстрочная разверстка

intervening lines – промежуточные линии

XIV. Find Gerunds in the text and define their functions.

XV. Read the text again and answer the questions.

XVI. Combine words from Box A with words from Box B to make collocations.

XVII. Connect the words with their definitions.

the change in direction of a light beam as it crosses a boundary between two media with different refractive indexes;

a heated cathode with an associated system of electrodes and coils for producing and focusing a beam of electrons, used especially in cathode-ray tubes.

XIX. Translate the sentences, paying attention to the meanings of highlighted words

XX. Change the sentences, using the words in brackets according to the model.

Model: The attendants don’t permit the taking of photographs. (visitors)

The attendants don’t permit visitors to take photographs.

XXI. Discussion. In pairs discuss the following questions.

“It is only when they go wrong that machines remind you how powerful they are.” Clive James (Australian critic)

Unit 9

I. Translate conditional sentences and define their types.

II. Choose the right variant in brackets paying attention to the type of conditional sentences.

III. Put the verbs in the right form in the conditional sentences.

3. If a difference of potential between two points of a conductor (maintain) by some means or other, electrons will continue to flow, giving life to a continuous current.

4. If there were no force of gravitation, both the Moon and the Earth (fly off) into space along a straight line.

5. If we (have) to examine most solid substances, we should see that they are crystalline.

6. Would you mind if I (come) to work an hour later on Monday?

7. If the post were more reliable, we (not have to) depend on couriers.

8. If cast iron had not been so brittle, it (find) much more applications in industry. 9. If a given amount of energy is put into a machine, precisely that very amount (be) developed.

10. If white cast iron were slowly cooled in the moulds it (have) a structure of ferrite and free carbon in the form of graphite.

11. What would you use if you (want) to measure air pressure?

12. If you (look) at the engine for a moment, you would have seen what was missing.

13. If there were no atmosphere, there (be) no clouds, no rain.

14. If you (melt) the snow you would get water.

IV. Put the verbs in brackets into the correct tenses.

V. Rewrite the sentences according to the model.

Model: I did not see the signal, so I did not stop.

If I had seen the signal, I would have stopped.

VI. Finish the sentences.

VII. Change the following sentences of real condition into sentences of unreal condition.

Model: If you put salt on ice it will melt.

If you put salt on ice it would melt.

If the design of cars is improved the fuel consumption will be greatly reduced.

If you visit the power station you will see the new turbine.

If friction is eliminated no force at all is necessary to keep the body in motion.

If rubber is combined with metals, wood and asbestos, it would greatly increase the potential uses of this material.

If you use that door, it sets off an alarm.

If traffic is controlled by computers cars will travel with safety and speed.

VIII. Translate the sentences, paying attention to the word provide.

IX Translate the sentences with conjunctions unless, in case, but for, on condition that and suppose.

X. Complete the sentences with a word formed from the word in brackets. Use the following prefixes only once: over-, super-, under-, mono-, semi-, mal-, non-, sub-, out-, mis-.

1. Recent spectacular breakthroughs in …………… (conductor) may be compared with the physics discoveries that led to electronics and nuclear power.

2. The introduction of …………….. (conductor) technology revolutionized the computer industry.

3. You mast not …………… (estimate) how difficult it is going to be.

4. From the ……………. (set), Bill Gates was confident that his computer language, BASIC, would be a success.

5. To build a reliable hypersonic plane one has to ……………. (come) a whole set of technological and scientific difficulties.

6. Most people prefer a colour screen to a …………… (chrome) screen.

7. If a printer ………….. (function), you should check the interface cable.

9. His comments were ……………….. (interpreted) as a criticism of the project.

10. We ………………. (contracted) the work to a small engineering firm.

XI. Read the text. Express the main idea of the text. Translate it.

The charge-coupled device

Let us compare the CMOS sensor with the CCD sensor:

Thus CCDs tend to be used in digital cameras if high-quality images are required with good light sensitivity.

Vocabulary:

array – множество

thermionic emission – термоэлектронная эмиссия

surveillance – наблюдение

camcorders – портативная видеокамера со встроенным видеомагнитофоном

bar code readers – устройство считывания штрихового кода

resolution – разрешающая способность

substrate – подложка

underside – нижняя часть

to inject – инжектировать, вводить

to overlay – перекрывать, накладывать слой

XII. Find conditional sentences in the text and define their functions.

XIII. Read the text again and answer the questions.

XV. Combine words from Box A with words from Box to make collocations.

XVI. Connect the words with their definition.

10. pixel

a) an integrated circuit that converts light into a series of electrical charges that are related to the intensity of any given picture element;

b) the ability of a microscope or other optical instrument to produce separate images of closely placed objects;

c) any of a number of very small picture elements that make up a picture, as on a visual display unit;

d) the emission of electrons from very hot solids or liquids, used for producing electrons in valves, electron microscopes and X-ray tubes;

e) a video camera and recorder combined in a portable unit;

f) a switching circuit based on a field-effect transistor;

g) the semiconductor base on which other material is deposited, especially in the construction of integrated circuits;

h) a unit of electromagnetic energy;

i) a device which can read the information contained on a pattern of thick and thin lines that is printed on things you buy;

j) an element in a semiconducting device that emits, collects or controls the movement of electrons or holes.

XVII. Translate the following words, paying attention to prefixes then use them in sentences.

Underuse, outsource, overlay, misrepresent, undertake, overproduce, subdirect, supercharged, nonstandard, underachieve, mislay, misuse, outlay, outtake/

XVIII. Find synonyms to the following words in the text.

To include, to find, to put into, to join, to produce, susceptible, strength, to form, base, to place.

XX. Translate the sentences, paying attention to the meanings of highlighted words.

XXI. Put the verbs in brackets into the correct tenses.

XXII. Discussion. In pairs discuss the following questions.

“A discovery is said to be an accident meeting a prepared mind”. (Albert Szent-Gyorgyi).

Unit 10

I. Translate the sentences, paying attention to the Subjunctive Mood after the verbs should, would, could, might, must.

II. Translate the sentences, paying attention to the Subjunctive Mood in subject clause.

III. Translate the sentences, paying attention to the Subjunctive Mood after verbs: to order, to insist, to demand, to suggest, to advice.

IV. Open the brackets using the Subjunctive Mood.

Model: He (advise) them what to do, but he couldn’t get in touch with them.

He would have advised them what to do, but he couldn’t get in touch with them.

1. I (obtain) a datum quantity for direct current, but the galvanic element that I used failed.

2. The supply voltage must have been increased, more current (flow) through the regulator tube.

3. Why did not you ask them to discuss your problem then? They (not postpone) it.

4. It (be) wise of you to read scientific journals on your profession.

5. I think nobody (object) to discussing the results of our work tomorrow.

6. She (buy) the disk, but she had no money.

7. It (be) impossible to determine the chemical composition of the metal without a laboratory analysis.

8. The heat (cause) mechanical troubles, but fortunately the temperature weren’t raised above a certain limit.

9. I (come) to the meeting, but I wasn’t informed about it.

10. This method is not efficient otherwise it (introduce) long ago.

V. Complete the given phrases using the Subjunctive Mood.

5. The professor strongly advised …

VI. Translate the sentences with the Subjunctive Mood after the following conjunctions: lest, so that, in order that, though.

VII. Translate the sentences with the Subjunctive Mood after the following conjunctions: as if and as though.

VIII. Open the brackets and use the correct form of the Subjunctive Mood.

IX. Comment on the use of tenses in the following sentences after wish and if only.

X. Paraphrase the following sentences using the Subjunctive Mood after the verb wish.

Example: My students are not always in time for class.

I wish my students were always in time for class.

Unfortunately I was not able to do all the calculations yesterday.

The experiment is prepared carefully. I hope I shall get good results.

I do not speak French.

I forgot my PIN number that is why I did not take money out of the ATM.

I cannot afford to buy a car.

I have to attend lectures, but they are so boring.

I missed the bus this morning and was late for work.

I did not print the report yesterday because the electricity was cut off.

I left my umbrella on the bus.

XI. Translate the sentences paying attention to the phrases would rather and had better.

XII. What would you do in the following situations. Express your advice using constructions: would rather and would better.

Model; Your record player is too loud.

You had better turn it down.

XIII. Comment on the use of the Subjunctive Mood after the expression It’s high time.

XIV. Read the text. Express the main idea of the text. Translate it.

Fibre optics communications

Vocabulary:

interference – взаимное влияние, помехи

cross-talk - помехи

eavesdropper – оператор перехвата (подслушивания) сообщений

fire hazard – источник пожароопасности

attenuation – ослабление, затухание

silica – кварц, кремнезем

core – сердечник, ядро

cladding – покрытие, оболочка, плакировка

refractive index – коэффициент преломления

armoured cable – армированный кабель

coating – обшивка, покрытие

XV. Read the text again and find all sentences with the Subjunctive Mood.

XVI. Answer the questions.

XVIII. Combine words from Box A with words from Box B to make collocations.

XIX. Connect the words with their definitions.

1. The part of the electromagnetic spectrum with a longer wavelength than light but a shorter wavelength than radio waves;

XX. Translate the sentences paying attention to the Subjunctive Mood.

XXI. Practice the Conditional and the Subjunctive Mood while discussing the following ideas.

УДК 42 (076)

Н.Н. Клещина. Английский язык: Практикум по грамматике, чтению и переводу с английского языка. / СибГУТИ. – Новосибирск, 2008г. – 96 стр.

При работе с данным учебным материалом студенты должны приобрести знания по грамматике, расширить свой лексический запас, совершенствовать навыки перевода и устной речи.

Рекомендуется для работы студентов первого и второго курсов технических специальностей как для аудиторной, так и самостоятельной работы.

Кафедра иностранных и русского языков

Список литературы – 17 наим.

Рецензент: кфн. Е.И. Мартынова

Рекомендовано РИС СибГУТИ в качестве практикума по грамматике, чтению и переводу.

© Сибирский государственный университет

телекоммуникаций и информатики, 2008г.

АНГЛИЙСКИЙ ЯЗЫК

Практикум

по грамматике, чтению и переводу

с английского языка

the change in direction of a light beam as it crosses a boundary between two media with different refractive indexes;

  • a heated cathode with an associated system of electrodes and coils for producing and focusing a beam of electrons, used especially in cathode-ray tubes.



    XVIII. Complete each sentence with a word from the box.


    Flyback, vidicon tube, deflection soils, television, scanning, electron gun, bandwidth, aerial, electron beam, microphone


    1. The purpose of the …………….. is to convert the sound pressures into electrical impulses of varying amplitude.

    2. The electron beam that scans the picture in the ……………… must be in exactly the same position at all times as the electron beam that scans the screen in the picture tube.

    3. The vision signal contains only half the picture information thereby reducing the ………………. by half to 5.5 MHz.

    4. Both line and frame synchronizing pulses are added back to the video signal during the …………….. when the line is blanked out.

    5. …………….are conventionally divided into transmitting and receiving, though in most cases there is no principle difference between them.

    6. A kinescope is a large vacuum tube used for ……………… and viewing the transmitted pictures.

    7. When colour ………………. was introduced in the UK in 1967, consideration had to be given to owners of monochrome receivers so that they could continue to receive a normal monochrome picture.
    8. In the television system devised by Vladimir K. Zmorykin a narrow …………….. is used to scan the image in a photoelectric tube of special design called an iconoscope.

    9. The electron beam is produced by an ………………. , which consists of a heated cathode, a grid and the anodes.

    10. All three electron guns scan the screen under the control of the same ……………… .


    XIX. Translate the sentences, paying attention to the meanings of highlighted words


    1. Setting targets is very important when you want to achieve something. 2. He has become the target for a lot of criticism recently. 3. The campaign is clearly targeted on the young. 4. She scanned the advertisement pages of the newspaper over breakfast. 5. I scanned the book for every detail of the transistor operation. 6. Text and pictures can be scanned into the computer. 7. The camera tubes are scanned in synchronism using internal electron beams that produce three separate voltages, representing the 8 MHz colour information. 8. Suppose the picture being scanned has n elements. 9. Luckily I managed to get home half an hour before the first spots of rain started to fall. 10. His jacket was covered with spots of mud. 11. The process of scanning consists of moving an exploring element or spot over the image to be transmitted in a periodically repeated path covering the entire image area.


    XX. Change the sentences, using the words in brackets according to the model.


    Model: The attendants dont permit the taking of photographs. (visitors)

    The attendants don’t permit visitors to take photographs.


    1. The engineer advised using a variable capacitor to tune different stations in. (their colleges)

    2. The teacher recommends recalling the material about audio amplifier. (the student)

    3. The necessity to save “radio space” doesnt permit increasing of bandwidth. (radio station)

    4. The professor intends using amplitude modulation to transmit the bandwidth. (the engineer)

    5. A new communication satellite allowed using regular Hi-Vision service. (tiny aerials)




    XXI. Discussion. In pairs discuss the following questions.


    1. Speak about different types of television, their advantages and disadvantages. (cable television, colour television, digital television, high-definition television).

    2. Paraphrase the following quotation. Express your opinion about it.

    It is only when they go wrong that machines remind you how powerful they are.” Clive James (Australian critic)


    Unit 9


    1. Условные предложения

    2. Значения слова provide

    3. Значения союзов unless, suppose, in case, on condition that, but for

    4. Префиксы over-, super-, under-, mono-, semi-, mal-, non-, sub-, out-, mis-.

    5. Текст «The charge-coupled device»


    I. Translate conditional sentences and define their types.


    1. If a scientific research is closely linked with practice the results are always good. 2. If you looked at the equipment of 1946 you would notice the difference with that available at present. 3. If the satellite speed were less than necessary it would go down from the orbit and enter the atmosphere. 4. If you watch a laser operate, you might be surprised at the simplicity of a device having such a power. 5. If we wanted to make a journey in a plane to the nearest star we should have to travel for several thousand centuries. 6. If we had tested this material we should have used it in our work. 7. If ordinary gases are greatly compressed they become liquids. 8. If supercomputers had not been used for thermodynamic calculations designers would have spent all their lives on computations. 9. If you think that a computer never makes mistakes you are wrong. 10. If the number of negative charges is unlike the number of positive charges, the matter will produce electrical effects.


    II. Choose the right variant in brackets paying attention to the type of conditional sentences.


    1. If they (discover/discovered) iron ore deposits in that district, an iron and steel works will be built there. 2. I would (have brought/bring) the book, but you did not tell me you needed it. 3. If I were you, I would (write/have written) a letter of complaint to the company. 4. If you had studied harder, you would not (fail/have failed) your exams. 5. If I (see/saw) you yesterday I would have given you my text-book. 6. If there were no difference of potential between two points of a conductor, electrons would not (continue/have continued) to flow. 7. If helium were obtained only from the air, it would (be/have been) a rare gas. 8. If we (tested/had tested) this material we should have used it in our work. 9. If every light fixtures in buildings (contain/contained) a small wireless node, people would not only be able to control the lighting more effectively but put them to many other uses too. 10. If you (look/looked) at the number of internet capable mobile phones, PDAs and so on, you will see that they are rapidly outnumbering the things we think of as computers.


    III. Put the verbs in the right form in the conditional sentences.


    1. If we bring the charged ebonite rod near the ball, the latter (attract) towards it. 2. If a great enough velocity is reached, each electron (have) sufficient energy to release one or more electrons from the plate.

    3. If a difference of potential between two points of a conductor (maintain) by some means or other, electrons will continue to flow, giving life to a continuous current.


    4. If there were no force of gravitation, both the Moon and the Earth (fly off) into space along a straight line.

    5. If we (have) to examine most solid substances, we should see that they are crystalline.

    6. Would you mind if I (come) to work an hour later on Monday?

    7. If the post were more reliable, we (not have to) depend on couriers.


    8. If cast iron had not been so brittle, it (find) much more applications in industry. 9. If a given amount of energy is put into a machine, precisely that very amount (be) developed.

    10. If white cast iron were slowly cooled in the moulds it (have) a structure of ferrite and free carbon in the form of graphite.

    11. What would you use if you (want) to measure air pressure?

    12. If you (look) at the engine for a moment, you would have seen what was missing.

    13. If there were no atmosphere, there (be) no clouds, no rain.

    14. If you (melt) the snow you would get water.


    IV. Put the verbs in brackets into the correct tenses.


    1. The launching of the rocket was delayed half an hour by bad weather. If the weather (be) good they (launch) it at 7.30 instead of at 8.00. 2. It is a pity he never patented his invention. If he (patent) it he (make) a lot of money. 3. I failed my exam. If I (try) again, I think that I (succeed). 4. Sally forgot her briefcase. If she (be) in such a hurry she (not forget) her briefcase. 5. He knows that this cable is alive. If he (touch) that electric cable he (be) electrocuted. 6. We did not go to the lecture yesterday. If we (be) at the lecture we (answer) your questions. 7. I (do) this work long ago if I (have) got the necessary tools. 8. Extra measures have to be taken to cool a hypersonic craft. If extreme temperatures generated by atmospheric friction (not be) so high a hypersonic craft (not require) complicated cooling measures. 9. If you (drive) more carefully you (not have) an accident. 10. If I (knew) that you needed help I (help) you.

    V. Rewrite the sentences according to the model.


    Model: I did not see the signal, so I did not stop.

    If I had seen the signal, I would have stopped.


    1. The exit doors were blocked, so people couldn′t escape from the burning hall.

    2. He had all the necessary books and made his report in time.

    3. I did not read the instruction that is why I did not manage to install the equipment.

    4. Drivers are not attentive while driving, so there are a lot of accidents on the road.

    5. They applied a new method and got good results.

    6. Gases are not greatly compressed, so they can′t become liquids.

    7. He was at the lecture yesterday and answered all the teacher′s questions.

    8. Current does not flow across from one wire to the other because two wires are separated by the air gap.

    9. A potential difference does not exist between two objects because they were charged equally.

    10. The heat causes mechanical troubles when the temperature is raised above a certain limit.


    VI. Finish the sentences.


    1. If I could travel anywhere in the world…

    2. If I owned a company…

    3. If I were the president of …

    4. If I had $1 million…

    5. If I practiced more …

    6. If I had more time…

    7. If I had a camera…

    8. If the weather is fine…

    9. If I get my university degree…

    10. If I find a well-paid job…


    VII. Change the following sentences of real condition into sentences of unreal condition.


    Model: If you put salt on ice it will melt.

    If you put salt on ice it would melt.