Информация для преподавателя 2 страница

Упражнение 6

1. Who writes the instructions?
2. The principle of action being rather simple, the new device was widely used for different purposes.
3. Electronics is being used more and throughout the industry.
4. This experiment was being carried out under low pressure.
5. The solar battery is converting the energy of sun rays into electric one.
6. A computer cannot think, can it?
7. It is not like them to keep us waiting for the deliver; they are usually very punctual.
8. A modern computer has two main parts: a memory and a computing unit.
9. Applying the method we get better results.
10. Are the laboratories equipped with modern devices and apparatus?
11. Does the videotex system make use of the home television set as a picture display medium?
12. Electronic machines can add, subtract, multiply and divide much quicker than man.
13. How do you understand the main trend of automation?
14. How many universities are there in England, Wales and Scotland?
15. Is unemployment an inevitable consequence of automation? (неизбежный)
16. It is quite necessary for him to make a great number of calculations to solve the problem.
17. Metal is known to conduct electricity.
18. Radio waves are the longest members of the family of electromagnetic waves.
19. Semiconductors do possess many wonderful properties.
20. The crystal set became known in the early days of radio.
21. What made it possible to unite the world in the 20th century without wires?
22. The equipment tested required further improvement.
23. The invention of television was no single event or series of events.
24. Every day at 8 o'clock in the morning the students come to the Institute.
25. They succeeded in obtaining good results working with this metal.
26. Did you want them to receive this information as soon as possible?
27. The building of the house will be finished next month.
28. The history of the exploration of the Urals has been a long one.
29. The information has been based on the data received from a computer.
30. It had been a tough winter.
31. Without radio electronics there would be no cybernetics, cosmonautics and nuclear physics.
32. How many new applications have they been testing since the beginning of the year?
33. Give this worker a set of tools.
34. Maxwell predicted that waves longer than those of light could exist.
35. I wonder if scientists have worked out computers serving different purposes.
36. When we listen to a radio programme we are using the rays that are called radio waves.
37. At least this is what is being hypothesized at present.
38. What was really needed was selective access to any stored data in a time that was both as short as possible and independent of the data address or any previous access.
39. If he had been able to get all the books on that subject, his report would have been much better.
40. I won't be able to explain this phenomenon if I do not analyse all the data, will I?
41. If you have no book, you may use mine.
42. According to an American researcher, we are close to what can be regarded as a true physical limit.
43. It is not until 1959 that chemists succeeded in obtaining this compound.
44. It has not been until very recently that this theory have been seriously called in question.
45. It was so warm a day that we decided to go to the river.

Упражнение 7

1. Short radio waves can go right through the ionosphere and be amplified and sent on by communications satellites.
2. Having been repaired, the device began working much better.
3. Who is he now having a talk with?
4. Solar batteries generate electricity.
5. We are sorry to trouble you.
6. Telephone, radio and television deliver a continuous stream of information.
7. Were you going to take part in the scientific conference?
8. The computer doesn't really remember, information is stored in it.
9. We mustn't reject the suggestion without discussing it with them.
10. The input unit to be described here is a new one.
11. The operating range of this device is broad.
12. The origin of the word "robot" is said to have appeared first in a play written by a Czech playwright.
13. The universities offer broad training in sciences such as physics, chemistry, mathematics, mechanics, biology, geology, geography, philology, history, philosophy and law.
14. The vibrations of a voice speaking into the microphone of a telephone cause vibrations in an electric current.
15. There is a simple explanation of the functioning of this device, isn’t there?
16. This famous scientist is engaged both in scientific research and in social activities.
17. What devices were used in the second generation computers?
18. Every student must know the difference between automation and mechanization, mustn’t he?
19. Do you find it necessary to continue the experiment?
20. What did it lead to?
21. What were they aimed at?
22. A new radio set having been shown to them, they began to examine its details.
23. Crystal valves were found to be less efficient rectifiers than thermionic valves.
24. She described the device to be used in all modern systems, didn’t she?
25. She will begin to translate the text tomorrow, won’t she?
26. She will be working on her thesis for the next three years.
27. He has never been to the Carpathians.
28. Many different devices have been created in order to improve the performance of communications.
29. But for electricity little could be done in a modern research laboratory.
30. Sales have been falling recently.
31. She said to me that she had never been to Leningrad.
32. What do you think a robot should look like?
33. When technique reaches a very high stage of development, new methods of work will become possible.
34. When the lectures are over, we shall go to the reading hall.
35. The method which will be used is reliable, isn’t it?
36. The scientist who is working at the method is well known.
37. The Soviet Union was the first country that put into operation atomic power stations.
38. A trans­former cannot be called a machine for it has no moving parts.
39. Provided the Earth's mass were twice as great as it is, it would attract any body twice as strongly.
40. He would have prepared for his exams if he had come early, wouldn’t he?
41. If the model fits well, the observed data will be correct.
42. The substance should be purified so that it might be used for this purpose.
43. Although improvements will reduce the required computation times, emulation will nevertheless be restricted to real time systems having slow response times.
44. It was in 1868 that D.I. Mendeleyev formulated the Periodic Law of Elements.
45. It is necessary that they should come in time.

Упражнение 8

1. This system is expected to have wide application.
2. What projects are now being discussed in scientific literature?
3. Having calculated the programme, he paid attention to possible changes.
4. What was electronics industry pouring out by the middle of the twentieth century?
5. Transistors require no heating to generate their free electrons.
6. Waves are carried in all directions from the vibrating body.
7. We know the first atomic power station to have been built in the USSR.
8. We time our clock by radio.
9. Many scientists have tried cooling some gas to absolute zero, their attempts coming to nothing.
10. What does a programming language consist of?
11. What is the basis for differentiating communications media?
12. What is the third generation of computers based on?
13. What laboratory does he work at?
14. When passed through a motor, electric current can do work.
15. Where do lasers have wide-ranging technological uses?
16. What can he do now?
17. Heinrich Hertz, the famous German physicist, was the first to create, detect and measure electromagnetic waves.
18. The idea of using lasers came from A. Prokhorov and N. Basov.
19. The light passing through the disc was projected onto a screen to recreate the original object.
20. Every student must know the difference between automation and mechanization, mustn’t he?
21. Do you find it necessary to continue the experiment?
22. The new information was much spoken about.
23. Ryazan was founded in 1095, wasn’t it?
24. Many uses of the telephone will be replaced by an electronic in-basket, won't they?
25. You should have helped your friend.
26. Have you prepared your report?
27. He had published his article by the end of the month.
28. But for the atmosphere no life would be possible on the Earth.
29. Speak to the point.
30. The teacher thought that the students of this group would be able to understand the new text.
31. The atomic weight of an element tells us how many times it is heavier than hydrogen.
32. As soon as you return from the lab, we'll begin our work.
33. The advantage of e-beam technology is that the wavelength of electrons is substantially less than the wavelength of light.
34. What is worth doing at all is worth doing well.
35. Things or events that at first seem to have nothing to do with each other turn out to be related after all.
36. What is the number of the group your friend studies in?
37. Graduates who get degrees in engineering, technology, medicine, or maths are almost certain of getting a good job.
38. The kind of ray that mankind has known for the longest time is light.
39. We will use this substance in the experiment provided it has the necessary properties.
40. Should the temperature decrease, the velocity of electrons will decrease too.
41. It is important that the current should be measured exactly.
42. It is required that all measurements be done beforehand.

Упражнение 9

1. Above certain critical temperature changes take place in the molecular structure of a metal.
2. At present they are studying various aspects of this problem.
3. Having obtained the necessary results, we stopped our experimental work.
4. Are the principles of television complicated?
5. By counting the number of waves in a certain period, a very accurate measure of time can be defined.
6. The melting point of aluminium is 657°C.
7. Electrical charges are known to be positive and negative.
8. Electrons leaving the surface, the metal becomes positively charged.
9. Is every student present at the lecture today?
10. For him to have done these experiments is a great success.
11. Gamma rays have no electric charge.
12. The capacities of these stations range from 600 to 700 kilowatts.
13. In what fields is the use of lasers highly promising?
14. Obtaining new data engineers can improve their knowledge.
15. One can make matter vibrate in different ways.
16. Robots can't be considered as substitutes for men.
17. Scientists have to work hard to create a new atomic technique.
18. What did it give birth to?
19. In testing the devicesthey found some serious faults.
20. Speaking about the new method of work the engineer told us many interesting details.
21. The action of semiconductor devices was understood well.
22. The discovery of radium was followed by other important inventions.
23. At airports everywhere we shall find microwaves used with radar equipment to detect planes in the air, or guide them in to land.
24. In our country great progress has been achieved in developing all branches of science and engineering.
25. Minsk has become a well-built city with lots of new avenues, big plants and factories.
26. But for the atmosphere no life would be possible on the Earth.
27. Could these calculations have been performed in such a short period without a computer?
28. Did you tell him that I should let him know the date of the conference?
29. We suggested that his project be discussed in detail.
30. The technician will have recorded the data before you come.
31. We must compare our data with those that have been obtained by other investigators.
32. The worker who is repairing the machine is very skilled.
33. The measurements that must be made should be accurate enough.
34. The higher we go into the atmosphere, the thinner the air becomes.
35. They would finish the work in time, provided they had the necessary material.
36. Unless it is too late, we shall go there.
37. Some record must be kept of where the file of information has been stored.
38. It was Einstein who provided a new conception of time, space and gravitation.
39. It was in the 20th century that electronic computers appeared.
40. Nanomedicine's nanorobots are so tiny that they can easily traverse the human body.

Упражнение 10

1. Specialized institutes usually train specialists for some definite branch of industry.
2. Who was given some bad advice about selecting courses?
3. These new devices are replacing their older equivalents.
4. The apparatus to be assembled is very complicated, isn’t it?
5. The first-year students are not taught special subjects.
6. The laser beam is made by exciting the atoms of a suitable material.
7. The only thing for you to do is to use a microscope.
8. The origin of automation can be traced back to the early days of the first industrial revolution.
9. The researcher carries out the experiments at high temperatures.
10. The videotex system makes use of the home television set as a picture display medium.
11. The lecturer told of Yablochkov's having found a solution to the problem of using the electric arc for lighting.
12. This article is much more interesting than that one.
13. This varying current is carried along a wire to a receiver.
14. Transistors are very sensitive to light, some of them reacting even to star-light.
15. We are to translate technical literature in the second year.
16. The electric telegraph was the beginning of the whole vast telecommunications industry.
17. The first microwaves made by man were the two-foot waves produced by Heinrich Hertz.
18. Where did the first international conference on radio take place?
19. All the machines were looked at with great interest.
20. He could cope neither with this task nor that one.
21. What will one be able to do with intelligent network?
22. Who can be admitted to the universities of Great Britain?
23. What methods have been used in order to investigate this problem?
24. Testing the engine they found serious defects.
25. Energy can have many forms.
26. Has he improved his device?
27. Would you like this reaction to be repeated?
28. They wished to know what these radio-electronic systems would ensure.
29. My scientific adviser insists that I should take part in it.
30. After the new device is tested it will be installed in our laboratory.
31. The major difference is that all these elements and their interconnections are now fabricated on a single substrate in a single series of operations.
32. The engineer was the last who made the report at the conference.
33. Radio is a device that transmits and receives signals and programs by electromagnetic waves.
34. He may have got the condenser he needed for his experiment.
35. Nuclear energy is of great importance, for it can be applied practi­cally in every sphere of life.
36. If they had known about semiconductors more, they would have understood the arrangement of this device, wouldn’t they?
37. If you want to speak a language, you must hear it spoken.
38. Don't raise the temperature lest the speed of the reaction should be too high.
39. It was A.S. Popov who invented the radio.

Упражнение 11

1. Do you know silver to be the best of conducting materials?
2. Telescopes are being used since their invention.
3. Carol had been working very hard, so her doctor told her to take a vacation.
4. What is at the disposal of the students?
5. What programming languages do you know?
6. Your answer to the question is not logical.
7. Artificial satellites travel round the earth like planets.
8. Benjamin Franklin's having invented the first lightning conductor is a well established fact.
9. Can Teletext and Videotex be used for electronic shopping of goods and tickets?
10. Cosmic television has a great future.
11. Heat causes the liquid to evaporate.
12. How many faculties are there at the Institute?
13. I don't understand the action of this device.
14. Many problems of great interest are discussed at our seminars.
15. I.V. Kurchatov was a passionate fighter for peace.
16. In the radio laboratory in Nizhni Novgorod the most important work concerning the designing of radio equipment was concentrated.
17. Michael Faraday had little chance to get an education.
18. The first man-made satellite having been sent up, it became possible to investigate various types of radiation.
19. The information obtained was sent back by the radar.
20. Our scientists will further develop various kinds of computers.
21. The translation from one language into another will soon be performed by the computers.
22. He can have done this work better.
23. You might have asked me about the work of this machine before putting it into operation.
24. He had finished his work by 5 o'clock yesterday.
25. Properly designed information systems might be viewed as black boxes.
26. Point out a mistake in this translation.
27. She asked if it had been raining all day.
28. They suggest that he should repeat the test.
29. While he was experimenting with this device he was very careful.
30. Electronics plays the leading role in automation which is generating a second industrial revolution of wider social significance than the first.
31. The data that are to be obtained will be of great interest.
32. Chemistry is the science that deals with the structure of matter and its changes.
33. The pressure in the boiler is less than it is necessary.
34. If they had known about semiconductors more, they would have understood the arrangement of this device, wouldn’t they?
35. If you want to speak a language, you must hear it spoken.
36. Were I in the city, I would attend his lecture.
37. We would be very grateful if you would send us the information as soon as possible.
38. Although it is possible to design parallelism into the massive CPU of a mainframe macro, tomorrow's big computer will achieve this capability through combinations of separate processors —distributed computing.
39. It is necessary that these data should be processed as soon as possible.
40. It was from radio that the subject of electronics was born.

Упражнение 12

1. Measuring temperature is necessary in many experiments.
2. Special instruments measuring cosmic radio signals are being installed in the observatory.
3. Last year the results were not very pleasing.
4. Neutrinos can't be detected.
5. Radio occupies one of the leading places among the greatest achievements of modern engineering.
6. She may use different methods in her research work, mayn’t it?
7. Specialists for agriculture are trained in specialized agricultural institutions of higher learning.
8. Informed citizens of our information-dependent society should be computer-literate, shouldn’t they?
9. The growing importance of automatic equipment in industry attracts world-wide attention.
10. Which methods of radio engineering are now used in various fields of science and technology?
11. Telemetry is the science of seeing some place without being there.
12. The structure of the atom is like the structure of our solar system.
13. These houses are nine stories high.
14. This scientist appears to have presented some interesting data.
15. We defined the volume, all the measurements having been done with respect to the instruction.
16. When was the first live transmission made?
17. A lot of us were invited to the conference.
18. For a long time scientists could not discover the secret of the atom.
19. He had to work hard to complete his investigation in time.
20. Bulky electronic equipment will have no place in the future.
21. We will inform them about the new discovery.
22. Electronics has also given birth to cybernetics.
23. Electronics in our country has developed into hundreds of research institutes and laboratories employing tens of thousands of people.
24. Without electronics there might be no radiotelevision, sound pictures or long-distance telephone calls.
25. By this time next year we might have completed our forecasts.
26. We have been developing this product for three years.
27. He said that he would mention your work in his report.
28. I was asked whether I could take part in the research work.
29. Everybody says that in the modern world people cannot imagine their life without radio, television and internet.
30. The circle will become an ellipse after you compress it.
31. This is where the conference was held.
32. That the accelerated development of railroads is a requirement of our time is a well-known fact.
33. A "positive ion" is one which lost an electron.
34. Videotex is the name representing a class of home and business information services which spread information from public information suppliers into the home or office.
35. These postgraduate students who are watching the experiment work in our laboratory.
36. As it is 150,000 000 kilometres from the Earth to the Sun, it takes the light from the Sun about eight minutes to reach us.
37. Could these observations have been proved theoretically they would have done much to advance our knowledge in the field of space research.
38. If I were to see your experiment, I should get a clear conception of this phenomenon.
39. Unless they prepare for the exams, we will have to help them.
40. Although continued progress is foreseen in the execution speed of circuit components, the dramatic progress needed to increase throughput cannot be achieved solely through improvements in circuitry.
41. Was it Lodygin who invented the electric lamp in Russia?
42. It is important that engineers should develop automatic control systems.
43. Each device has a particular role in con­trolling the flow of electrons so that the completed circuit per­forms some desired function.

Упражнение 13

1. What kind of calculations have to be solved by computers?
2. It got dark and we turned the light on.
3. Scientists are using the energy of atom in various spheres of life.
4. What is a machine language composed of?
5. The basic job of computers is processing information.
6. When discussing the design the engineers suggested a few improvements.
7. The design discussed was adopted.
8. When measuring the voltage we use a voltmeter.
9. Do you always make mistakes?
10. Is one greater than two?
11. Lesson 3 is much easier than lesson 2, isn’t it?
12. He has to finish his experiment in time.
13. Which materials, including some gases and semiconductors, possess this property?
14. Can one give an exact date of introducing inexpensive graphics terminals in the home?
15. Computers have circuits for performing arithmetic op­erations.
16. Due to what elements can one measure the thickness of various materials?
17. In order to send up a manned spaceship it was necessary to solve the problem of the return travel.
18. There appeared a new field of science — integrated electronics.
19. Instead of making, testing and assembling descrete components on a chip one at a time, large groupings of these components together with their interconnections were made all at a time.
20. Newton was one of the first to study light.
21. What was the very first calculating device?
22. Computers can help in mak­ing different decisions.
23. Will the interactive electronic system have a profound effect on our life?
24. Electronics applied to medicine has already produced significant advances in diagnosis and treatment.
25. Many expeditions have been here since.
26. In what towns have you lived since last year?
27. Without proper care and maintenance this equipment wouldn't operate so well, would it?
28. What must have been processed by the computer?
29. Look at the reading of the device.
30. The reporter asked if the scientific group was working out the design of this new installation.
31. The chief engineer said that the reconstruction of the plant would begin next year.
32. They insist on that we should begin the experiment immediately.
33. Many difficulties had been overcome before the researcher succeeded in his work.
34. Next year, after Peter Barnes finishes his training pro­gramme, he can take over the control function.
35. That Mendeleyev was right in his predictions is proved by the discovery of new elements.
36. What is the substance that we are speaking about?
37. The researchers tackling this problem have round help in the principles they observed in living nature.
38. The problem we are dealing with is very important for our laboratory.
39. The higher we mount into the atmosphere, the lower the pressure becomes.
40. The measurements were always correct provided the necessary instruments were used.
41. The results of the experiment will be better if he changes the speed of the reaction.
42. Astronomers conduct further study of the stars so that the physicists could betterunderstand the processes going on inside atoms.
43. It is important that these devices were the last to be put to a practical use.
44. It was radioelectronics that produced cybernetics, cosmonautics and nuclear physics.

Упражнение 14

1. Electronics is not so much a new subject as a new way of looking at electricity.
2. The shop was as large as 500 square metres.
3. Is the digital revolution sweeping through modern communications?
4. One should keep in mind this property of water.
5. Long waves are easier to produce, aren’t they?
6. Modern communication owes its very existence to the evolution in digital electronics.
7. A computer can make thou­sands of logical decisions without becoming tired.
8. The essence of it is batch processing.
9. What are the ways of inputting informa­tion into the computer?
10. What are the computer's achievements limited by?
11. At present a great deal of the work force of most coun­tries is engaged in creating, processing, storing, communicat­ing and just working with information.
12. Computer-controlled robots are able to improve the quality of manufactured products.
13. Perfect science does exist.
14. What is the benefit of reducing the size of circuit elements?
15. Who gave the ideas for producing logarithm tables?
16. The Curies' having discovered radium gave them the possibility of discovering other radioactive elements.
17. The construction of this generator was paid great attention to.
18. Can either of you speak French?
19. When discussed, the design was adopted.
20. When was the first analog computer built?
21. We did not see them make this experiment.
22. What did this engineer’s invention depend on?
23. In future power stations will use the principle of direct conversion of solar energy into electric one.
24. The operating speeds of these systems will be measured in nano-seconds.
25. Have the students conducted all the experiments?
26. The use of industrial robots has produced a number of economic and social advantages.
27. Last year we would spend much time in the laboratory.
28. How long have you been waiting for us?
29. The director asked whether the materials of our research would be typed.
30. In what way can we make the computer do what we want?
31. As soon as the examinations are over, I'll have to take my exam in physics for the second time.
32. Until we install new equipment, we will not manage to carry out the plan.
33. Lomonosov and Franklin were the first who made their experiments in the field of atmospheric electricity.
34. A "negative ion" is one which has gained an electron.
35. The upper atmosphere does not contain regions rich in charged particles that tend to reflect the radio waves.
36. The manned spaceships might not have been launched into the cosmos, unless scientists had studied the information received from the space satellites.
37. Had I known that I wouldn't have said anything.
38. Should the guests come earlier, no one will be here to greet them.
39. A computer cannot do anything unless a person tells it what to do and gives it the necessary information.
40. It is important that safety measures be taken while working with the electric equipment.
41. Was it D.I. Mendeleyev who formulated the Periodic Law?

Дата добавления: 2014-11-06