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Laser

In the «War of Worlds» written earlier the turn of the last cen­tury H. Wells told a fantastic story of how Martians almost invaded our Earth. Their weapon was a mysterious «sword of heat». Today Wells' sword of rut has come to reality in the laser. The name stands for light amplification by stimulated emission of radiation.

Light amplification by stimulated emission of radiation, i of the about sophisticated inventions of man, pro­duces an intensive beam of light of a very pure single colour. It rep­resents the fulfilment of i of the flesh'southward oldest dreams of technology to provide1 a light beam intensive plenty to vaporize the hardest and nearly heat-resistant materials. It tin can indeed brand pb run like water, or, when focused, it tin vaporize any substance on the earth. There is no material unamenable2 to laser treatment and light amplification by stimulated emission of radiation will become one of the principal technological tools quite soon.

The applications of light amplification by stimulated emission of radiation in industry and science are so many and and so varied as to suggest magiciii. Scientists in many countries are working at a very interesting problem: combining the ii large tech­nological discoveries of the 2nd half of the 20th century — laser and thermonuclear reaction — to produce a practically limitless source of free energy. Physicists of this country have developed large la­ser installations to acquit concrete experiments in heating ther­monuclear fuel with light amplification by stimulated emission of radiation beams. There as well exists an thought to use light amplification by stimulated emission of radiation for solving the problem of controlled thermonuclear reaction. The laser axle must heat the fuel to the required temperature so quickly that the plasma does not have time to disintegrate. Accord­ing to electric current estimates, the duration of the pulse has to be approx­imately a billionth of a second. The lite capacity of this pulse would be dozens of times greater than the capacity of all the world's power plants. To meet such demands in practise, scientists and engineers must work difficult every bit information technology is clear that a lot of difficulties are to exist encountered on route4.

The laser's most important potential may be its use in commu­nications. The intensity of a light amplification by stimulated emission of radiation tin be quickly changed to encode very complex signals. In principle, 1 light amplification by stimulated emission of radiation beam, vibrating a bil­lion times faster than ordinary radio waves, could carry the radio, TV and phone letters of the world simultaneously. In only a

fraction of a second, for example, one laser beam could transmit the entire text of the Encyclopaedia Britannica.

Besides, there are projects to use lasers for long distance com­munication and for transmission of energy to infinite stations, to the surface of the Moon or to planets in the Solar system. Projects have besides been suggested to place lasers aboard Globe satellites nearer to the Dominicus in order to transform the solar radiation into laser beams, with this transformed free energy subsequently transmitted to the Earth or to other space bodies. These projects have not however been put into result5, considering of the not bad technological difficulties to be over­come and, therefore, the great cost involved. Simply there is no incertitude that in timesix these projects will exist realized and the laser beam volition begin operating in outer infinite every bit well.

Notes to the Text

1. to provide — получать

2. unamenable — неподдающийся

3. every bit to suggest magic — можно принять за чудо

4. on route — на пути

5. put into issue — осуществлять

6. in time — со временем

УПРАЖНЕНИЯ Упражнение 8.Просмотрите текст 10А и ответьте на вопросы.

What is this text about? ii. What does the word «laser» hateful? three. What is the light amplification by stimulated emission of radiation, is it a device or some phenomenon? 4. Who was the first to write about lasers? 5. What writer from this country wrote a volume about a laser? vi. What can a laser do? seven. Where can it exist used? eight. What other uses practice you know?

Упражнение nine.Укажите, какие утверждения соответствуют содержанию текста 10А. Исправьте неправильные утверждения.

i. Laser means «lite amplification by stimulated emission of radiation». 2. Laser produces an intensive beam of light. 3. In the side by side few years light amplification by stimulated emission of radiation will become i of the main technological tools. four. Martians most invaded the World before the turn of the final century. 5. Laser and thermonuclear reaction can produce a limited source of energy. 6. The laser beam heats the fuel so rapidly that the plasma disintegrates. 7. At that place are projects to transform lu-

nar radiation into beams. eight. The laser axle volition begin operating in outer space.

Упражнение 10.Найдите в тексте 10А инфинитивы в функции части ска­зуемого и обстоятельства цели (см. 3-й и 5-й абзацы).


Упражнение xi.Найдите предложения с инфинитивом в функции опре­деления и дополнения, переведите.

1. То design, construct and operate a laser system is a dandy technological achievement. 2. To protect the water resources, forests and atmosphere, several laws were passed in Russia in the 1970s. 3. A very interesting problem is to produce a practically limitless source of energy. 4. There are projects to use lasers for long dis­tance communication. 5. Automation makes it possible to obtain and develop new sources of free energy. 6. To combine light amplification by stimulated emission of radiation and ther­monuclear reaction is a very interesting problem for the scientists in many countries. 7. To behave physical experiments with laser beams, Russian physicists accept adult large laser installations. 8. Some Western experts consider that it is practically incommunicable to protect large cities from pollution. 9. Lasers to exist placed on Earth satellites volition transform solar radiation into laser beams. 10. A spe­cial design bureau in Leningrad was the first in the world to de­velop production of superlong escalators. 11. To put some projects with lasers in operation, great technological difficulties must be overcome. 12. I of the means to make planes equally economical every bit possible is to lighten the aircraft by using new composite materials. 13. Signals to be measured must be strong plenty.

Упражнение 12.Определите, чем выражено определение, переведите.

1. The new system developed increased the safety and effi­ciency of a auto. 2. The laser's most important potential use may be its long distance advice applications. 3. Provided the problems of using laser for controlled thermonuclear reaction were solved, the capacity of the pulse received would be much greater than that of all the world'due south power plants. 4. All a pilot needs to do is to tune to radio transmitters and he volition go management signals he needs. v. 1 of the problems scientists are working at is to trans­mit energy to space stations by using lasers. 6. Laser provides a light beam intensive enough to vaporize the hardest and about estrus-resis­tant materials. vii. A hypersonic aircraft will require complicated cooling measures because of the extreme temperatures involved. 8. A new electronic device to be installed in the car's panel will cal-

culate how far one can drive on the fuel left. 9. The hardest materi­als a light amplification by stimulated emission of radiation axle is aimed at vaporize within a fraction of a second.

10. Aircraft designers are interested in all kinds of new materials that are strong enough to be used for loftier-speed airliners.


eleven. Noise and vibration are likewise the bug to be faced by design­ers of hypersonic crafts. 12. Besides, there is one more problem to exist studied — that of surface cooling. 13. The ordinary aircraft win­dows would make the future superliner structure too weak to with­stand great stresses developed. xiv. Every student of Cambridge is to become to his tutor once a week to hash out with him the piece of work washed.

УПРАЖНЕНИЯ ДЛЯ САМОСТОЯТЕЛЬНОЙ РАБОТЫ Упражнение 13.Определите части речи по суффиксам и префиксам.

encode, chapters, disintegrate, emission, widen, intensive, in­apparent, defence, stranger, reality, strengthen, fulfilment, inde­structible, distension, substance, entirely, vaporize.

Упражнение 14.Назовите производные от следующих слов, переведите.

limit, transmit, estimate, success, science, chronicle.

Упражнение 15.Найдите русскому слову соответствующее английское.

устанавливать — installment, installation, install; различие, разница — differ, deviation, different; распадаться — disintegrator, disintegration, disintegrate; применимый — application, applicative, employ; укреплять — strong, force, strengthen; эффективно — efficient, efficiency, efficiently; усилитель — amplification, amplifier, dilate.

Упражнение 16.Найдите:

а) синонимы

rapidly, sophisticated, to bear, demand, almost, quickly, to carry out, approximately, opportunity, requirement, also, utilise, to fulfill, complex, also, to realize, application, possibility;

б) антонимы

further, integrate, cooling, outside, powerless, uncontrolled, express, disintegrate, nearer, capable, limitless, controlled, inca­pable, powerful, heating, inside.

Упражнение 17.Переведите предложения, обращая внимание на много­значность слов brand и calorie-free.

What makes a soap bubble (мыльный пузырь) rise and autumn. If a lather bubble does not break at in one case, it volition begin to fall. Why? To explain this, nosotros must remember a balloon which is filled with hot air. Information technology rises for some fourth dimension and so information technology falls over again. A balloon rises be­cause the hot air inside it is lighter than the air circular information technology, and as information technology is lighter, it must rising. When the air inside a balloon cools, the weight of the balloon itself makes information technology autumn. A soap bubble is really a petty bal­loon filled with hot air. This air is much lighter than the air outside. It can bear the weight of the h2o which makes the skin of the soap bubble. But this cannot last for a long time, considering the skin of the lather bubble is very thin. The chimera becomes as cool as the air around information technology and it begins to fall. It is interesting to know that the early experiments with balloons were based on lather bubbles.

Упражнение eighteen.Переведите.

There is a large garage on 7th Street that provides work for 11 men. At that place is one human who meets the customers. There are two other men who take care of batteries. There is another human who washes cars. In that location are three other men who sell gas and oil. There is another man who repairs timers. There are ii men who piece of work with engines and there is one man who sells tires. There is no meliorate place for automobile service.

Упражнение 19.Заполните пропуски соответствующей формой глагола to exist.

I ... now in the garage on Seventh Street. There ... three cars hither. One ... a Ford. There ... a homo in it. He ... ownership a tire. I machine ... a Buick. There ... five people in information technology. There ... a third саг. A man and his wife ... in information technology. Their battery ... dead. The 2 battery men ... looking at it. «I... certain you volition have to hire a battery», one man says. «We ... a long way from home», the man in the machine an­swers. «Nosotros .... not here oftentimes. We must buy a battery. There ... nothing else to practice».

Упражнение 20.Дайте недостающие формы глаголов, запомните их.

chosen, fed, costing, put, overcome, coming, made.

Упражнение 21.Прочитайте и переведите без словаря.

То understand why low-cal from the laser is and then full-bodied, yous must know that light travels in waves. Ordinary white light is made upwardly of many wavelengths travelling in every direction. Laser calorie-free is substantially of one wavelength, with all the waves moving in one di­rection. Because the laser wavelengths intensify each other, they tin remain in an unbelievably straight beam for a long distance. Al­most any substance tin can exist forced to «lase» if you piece of work hard enough with it. Gas lasers give off continuous beams of low-cal. Tiny semi­conductor lasers may be especially useful in computers for trans­mitting signals to supervene upon the utilise of cables. Many lasers can requite off invisible radiation, either infrared or ultraviolet.

CONVERSATION Practise i.Reply the questions.

i. What is a laser? (a device producing an intensive beam of light) 2. What is its principle of operation? (light distension by stimulated emission of radiation) iii. What light is produced by a la­ser? (lite of pure single colour) 4. What can be washed by means of a laser? (vaporizing the hardest materials) five. What materials tin be treated with a laser? (practically any material and any substance) 6. What is the virtually promising apply of lasers? (the use in all kinds of communication) 7. What prevents putting into effect the projects to use lasers more widely in space? (swell technological difficulties and peachy cost involved)

Practice 2.Make a sentence out of the two parts.

1. A laser tin find

2. Information technology is very interesting to com­bine

3. There is an idea

iv. In this case a laser beam

5. The light capacity in a light amplification by stimulated emission of radiation in­stallation should be dozens of times greater

half-dozen. To develop such a light amplification by stimulated emission of radiation system in practice

vii. Scientists and engineers must work

ane. must heat the fuel to the re­quired temperature very rapidly.

two. very wide awarding.

3. difficult to overcome numerous technological difficulties.

4. is not an piece of cake task.

5. to use a light amplification by stimulated emission of radiation for solving the problem of controlled thermonu­clear reaction.

6. laser and thermonuclear reac­tion to produce a limitless source of energy.

7. than the capacity of all the
globe's ability plants.

Practice 3. A.Read and acquire.

I Desire to Read Faster

Mary: I've read a detective story. It wasn't very good so I wasted (тратить, терять время) much time.

Jane: Oh, it takes me now non more than an hour to read a novel.

G.: Actually?

J.: Two months agone it would have taken me about ii days. It is a compassion yous didn't join me when I was taking speed-reading course.

M.: 2 things hold me back. Doubts that whatever organization could radi­cally and permanently increment my speed. And money for the courses.

J.: Only I thought that if I could double my speed, the sum would­n't exist so much.

One thousand.: Sure, y'all are right. By the way, some authorities say it isn't reading. Though a lot of unread newspapers, books and maga­zines near the house might autumn on me. My present piece of work day reading is 200 words per minute, information technology is very tiresome. How are those speed reading courses?

J.: Great, today 50,000 students a yr take these courses.

M.: How long does this course last?

J.: Viii weeks, a 2,5 60 minutes session a week plus an hour a day drill.

M.: What is your speed now?

J.: The final examination showed that my speed was 1520 w.p.grand. The book was the same we have used for our entrance exam.

Thou.: But you tin lose the technique.

J.: Information technology is some other question. The only wide survey (опрос) of ex-students — 1800 of them — showed that after a year 1 3rd of the people weren't using the method at all. Another 3rd said they utilise it sometimes and that probably they have kept speed. But the balance of the students said they were reading faster than a year afterwards.

B. Reply the following questions:

1. Are you lot a fast or a slow reader?

2. In what situations tin can fast reading be useful in your stance?

3. Would y'all like to better your reading speed? Why?

4. Can all books exist read speedily? Why (not)?

Exercise 4.Comment on the following statement.

Every student ought to be able to read very fast.

One betoken of view: Reading requires thought; i needs time for thinking, reading ought to be a kind of dialogue with the author — this requires time; quality is more than im­portant than quantity.


A opposite betoken of view : Fast reading does not mean careless reading, nothing is left out, thinking tin be very fast, fast reading is reading for meaning, it saves fourth dimension (экономить) also for thinking, it is very important for a person to go a corking deal of information in every bit petty time every bit possible.

Laser

...

In the «State of war of Worlds» written before the turn of the final cen­tury H. Wells told a fantastic story of how Martians most invaded our World. Their weapon was a mysterious «sword of estrus». Today Wells' sword of oestrus has come to reality in the laser. The name stands for light amplification past stimulated emission of radiation.

Laser, one of the most sophisticated inventions of human, pro­duces an intensive beam of light of a very pure unmarried colour. Information technology rep­resents the fulfilment of one of the flesh'south oldest dreams of technology to provide1 a light beam intensive plenty to vaporize the hardest and well-nigh estrus-resistant materials. It tin can indeed make atomic number 82 run like water, or, when focused, information technology tin vaporize any substance on the earth. At that place is no cloth unamenable2 to laser treatment and laser volition become ane of the main technological tools quite soon.

The applications of light amplification by stimulated emission of radiation in manufacture and science are so many and so varied as to suggest magic3. Scientists in many countries are working at a very interesting problem: combining the two big tech­nological discoveries of the second half of the 20th century — laser and thermonuclear reaction — to produce a practically limitless source of energy. Physicists of this country have developed large la­ser installations to conduct physical experiments in heating ther­monuclear fuel with laser beams. There too exists an thought to employ light amplification by stimulated emission of radiation for solving the problem of controlled thermonuclear reaction. The light amplification by stimulated emission of radiation beam must estrus the fuel to the required temperature so apace that the plasma does not have fourth dimension to disintegrate. Accord­ing to electric current estimates, the duration of the pulse has to be approx­imately a billionth of a second. The calorie-free capacity of this pulse would be dozens of times greater than the capacity of all the earth's ability plants. To run across such demands in practise, scientists and engineers must work hard equally information technology is clear that a lot of difficulties are to be encountered on routeiv.

The light amplification by stimulated emission of radiation's most important potential may be its use in commu­nications. The intensity of a laser can be speedily inverse to encode very complex signals. In principle, ane laser beam, vibrating a bil­panthera leo times faster than ordinary radio waves, could carry the radio, TV and telephone messages of the world simultaneously. In only a

fraction of a 2d, for example, one light amplification by stimulated emission of radiation beam could transmit the entire text of the Encyclopaedia Britannica.

Besides, there are projects to use lasers for long distance com­munication and for transmission of free energy to space stations, to the surface of the Moon or to planets in the Solar system. Projects have also been suggested to place lasers aboard World satellites nearer to the Sun in order to transform the solar radiation into laser beams, with this transformed energy afterward transmitted to the Earth or to other space bodies. These projects take non notwithstanding been put into effectfive, because of the smashing technological difficulties to exist over­come up and, therefore, the great price involved. Only there is no incertitude that in timehalf-dozen these projects will exist realized and the laser beam will begin operating in outer infinite as well.

Notes to the Text

1. to provide — получать

2. unamenable — неподдающийся

three. every bit to advise magic — можно принять за чудо

4. on road — на пути

v. put into effect — осуществлять

six. in time — со временем

УПРАЖНЕНИЯ Упражнение eight.Просмотрите текст 10А и ответьте на вопросы.

What is this text about? ii. What does the word «laser» hateful? 3. What is the laser, is it a device or some miracle? four. Who was the first to write most lasers? v. What writer from this country wrote a volume nigh a laser? half-dozen. What tin can a laser do? 7. Where can it be used? 8. What other uses practice yous know?

Упражнение 9.Укажите, какие утверждения соответствуют содержанию текста 10А. Исправьте неправильные утверждения.

1. Laser ways «calorie-free distension by stimulated emission of radiations». 2. Laser produces an intensive beam of low-cal. 3. In the side by side few years laser will go one of the primary technological tools. 4. Martians near invaded the Earth earlier the turn of the last century. 5. Light amplification by stimulated emission of radiation and thermonuclear reaction tin produce a express source of free energy. half-dozen. The laser beam heats the fuel then quickly that the plasma disintegrates. seven. There are projects to transform lu-

nar radiation into beams. eight. The light amplification by stimulated emission of radiation beam will begin operating in outer space.

Упражнение 10.Найдите в тексте 10А инфинитивы в функции части ска­зуемого и обстоятельства цели (см. 3-й и 5-й абзацы).

Упражнение 11.Найдите предложения с инфинитивом в функции опре­деления и дополнения, переведите.

i. То design, construct and operate a laser organisation is a bang-up technological achievement. 2. To protect the h2o resources, forests and atmosphere, several laws were passed in Russia in the 1970s. 3. A very interesting problem is to produce a practically limitless source of energy. 4. There are projects to use lasers for long dis­tance communication. 5. Automation makes it possible to obtain and develop new sources of energy. 6. To combine laser and ther­monuclear reaction is a very interesting problem for the scientists in many countries. seven. To conduct physical experiments with laser beams, Russian physicists accept adult large laser installations. viii. Some Western experts consider that information technology is practically incommunicable to protect big cities from pollution. nine. Lasers to be placed on Earth satellites volition transform solar radiation into light amplification by stimulated emission of radiation beams. x. A spe­cial design bureau in St. Petersburg was the first in the world to de­velop production of superlong escalators. eleven. To put some projects with lasers in operation, smashing technological difficulties must be overcome. 12. 1 of the ways to brand planes as economical as possible is to lighten the aircraft by using new composite materials. xiii. Signals to be measured must exist strong enough.

Упражнение 12.Определите, чем выражено определение, переведите.

1. The new arrangement adult increased the safety and effi­ciency of a car. 2. The laser's virtually of import potential utilise may be its long altitude communication applications. three. Provided the problems of using laser for controlled thermonuclear reaction were solved, the capacity of the pulse received would exist much greater than that of all the world'due south ability plants. iv. All a airplane pilot needs to do is to tune to radio transmitters and he will get direction signals he needs. v. One of the problems scientists are working at is to trans­mit energy to space stations by using lasers. half dozen. Laser provides a lite beam intensive enough to vaporize the hardest and well-nigh estrus-resis­tant materials. 7. A hypersonic aircraft will require complicated cooling measures considering of the farthermost temperatures involved. eight. A new electronic device to be installed in the car'south panel will cal-

culate how far one tin drive on the fuel left. 9. The hardest materi­als a laser beam is aimed at vaporize within a fraction of a 2d.

ten. Shipping designers are interested in all kinds of new materials that are strong enough to be used for high-speed airliners.

11. Dissonance and vibration are also the problems to exist faced by design­ers of hypersonic crafts. 12. Besides, there is i more problem to be studied — that of surface cooling. xiii. The ordinary aircraft win­dows would brand the future superliner structure too weak to with­stand bully stresses developed. 14. Every student of Cambridge is to go to his tutor once a week to hash out with him the work done.

УПРАЖНЕНИЯ ДЛЯ САМОСТОЯТЕЛЬНОЙ РАБОТЫ Упражнение 13.Определите части речи по суффиксам и префиксам.

encode, capacity, atomize, emission, widen, intensive, in­credible, defence, stranger, reality, strengthen, fulfilment, inde­structible, distension, substance, entirely, vaporize.

Упражнение 14.Назовите производные от следующих слов, переведите.

limit, transmit, approximate, success, science, relate.

Упражнение 15.Найдите русскому слову соответствующее английское.

устанавливать — installment, installation, install; различие, разница — differ, difference, different; распадаться — disintegrator, disintegration, disintegrate; применимый — application, applicable, apply; укреплять — potent, force, strengthen; эффективно — efficient, efficiency, efficiently; усилитель — distension, amplifier, dilate.

Упражнение xvi.Найдите:

а) синонимы

apace, sophisticated, to bear, demand, almost, quickly, to carry out, approximately, opportunity, requirement, also, employ, to fulfill, complex, too, to realize, application, possibility;

б) антонимы

further, integrate, cooling, outside, powerless, uncontrolled, limited, disintegrate, nearer, capable, limitless, controlled, inca­pable, powerful, heating, inside.

Упражнение 17.Переведите предложения, обращая внимание на много­значность слов make и light.

What makes a soap bubble (мыльный пузырь) rise and fall. If a soap bubble does non break at in one case, information technology volition begin to fall. Why? To explain this, nosotros must remember a balloon which is filled with hot air. Information technology rises for some time and so it falls again. A balloon rises be­crusade the hot air inside information technology is lighter than the air round it, and every bit information technology is lighter, it must ascent. When the air inside a balloon cools, the weight of the balloon itself makes it autumn. A lather bubble is really a little bal­loon filled with hot air. This air is much lighter than the air outside. It tin can behave the weight of the water which makes the skin of the soap chimera. Simply this cannot concluding for a long time, because the skin of the soap bubble is very thin. The bubble becomes as cool equally the air effectually it and it begins to fall. Information technology is interesting to know that the early on experiments with balloons were based on soap bubbles.

Упражнение 18.Переведите.

There is a large garage on Seventh Street that provides piece of work for eleven men. There is i man who meets the customers. There are two other men who take care of batteries. There is another homo who washes cars. There are three other men who sell gas and oil. There is another man who repairs timers. There are two men who work with engines and there is ane man who sells tires. There is no better identify for automobile service.

Упражнение xix.Заполните пропуски соответствующей формой глагола to be.

I ... now in the garage on Seventh Street. At that place ... three cars here. One ... a Ford. There ... a man in it. He ... buying a tire. One auto ... a Buick. There ... five people in it. There ... a third саг. A human and his wife ... in it. Their battery ... expressionless. The two battery men ... looking at it. «I... sure you will take to rent a battery», one man says. «We ... a long manner from home», the man in the car an­swers. «We .... not here often. We must buy a battery. There ... nothing else to do».

Упражнение 20.Дайте недостающие формы глаголов, запомните их.

chosen, fed, costing, put, overcome, coming, fabricated.

Упражнение 21.Прочитайте и переведите без словаря.

То understand why low-cal from the laser is so concentrated, y'all must know that light travels in waves. Ordinary white calorie-free is made upward of many wavelengths travelling in every direction. Laser light is essentially of one wavelength, with all the waves moving in one di­rection. Because the laser wavelengths intensify each other, they can remain in an unbelievably straight beam for a long distance. Al­most any substance can exist forced to «lase» if you lot work hard plenty with it. Gas lasers requite off continuous beams of light. Tiny semi­usher lasers may be specially useful in computers for trans­mitting signals to replace the use of cables. Many lasers tin can give off invisible radiation, either infrared or ultraviolet.

CONVERSATION Practise one.Answer the questions.

one. What is a laser? (a device producing an intensive axle of light) 2. What is its principle of operation? (low-cal amplification by stimulated emission of radiation) 3. What light is produced by a la­ser? (lite of pure single color) iv. What can be done by ways of a laser? (vaporizing the hardest materials) 5. What materials can be treated with a light amplification by stimulated emission of radiation? (practically any material and any substance) 6. What is the most promising use of lasers? (the employ in all kinds of communication) seven. What prevents putting into event the projects to use lasers more widely in space? (smashing technological difficulties and great cost involved)

Practice ii.Make a judgement out of the ii parts.

1. A laser can find

two. It is very interesting to com­bine

three. There is an idea

4. In this case a light amplification by stimulated emission of radiation beam

5. The light capacity in a light amplification by stimulated emission of radiation in­stallation should be dozens of times greater

6. To develop such a laser system in practice

7. Scientists and engineers must piece of work

i. must heat the fuel to the re­quired temperature very speedily.

2. very wide awarding.

iii. hard to overcome numerous technological difficulties.

4. is not an easy job.

five. to use a laser for solving the problem of controlled thermonu­articulate reaction.

six. laser and thermonuclear reac­tion to produce a limitless source of energy.

vii. than the capacity of all the
earth's ability plants.

Exercise three. A.Read and learn.

I Want to Read Faster

Mary: I've read a detective story. It wasn't very good so I wasted (тратить, терять время) much time.

Jane: Oh, information technology takes me now not more than than an 60 minutes to read a novel.

M.: Actually?

J.: Two months agone information technology would have taken me nigh two days. Information technology is a compassion you didn't join me when I was taking speed-reading grade.

M.: Ii things hold me back. Doubts that whatever organization could radi­cally and permanently increment my speed. And coin for the courses.

J.: Merely I thought that if I could double my speed, the sum would­n't be so much.

M.: Sure, you are right. By the style, some authorities say it isn't reading. Though a lot of unread newspapers, books and maga­zines about the business firm might fall on me. My nowadays work 24-hour interval reading is 200 words per minute, information technology is very slow. How are those speed reading courses?

J.: Great, today fifty,000 students a twelvemonth take these courses.

M.: How long does this class last?

J.: 8 weeks, a 2,5 hr session a calendar week plus an hour a day drill.

M.: What is your speed now?

J.: The final exam showed that my speed was 1520 westward.p.k. The book was the aforementioned we have used for our archway examination.

K.: But yous can lose the technique.

J.: It is another question. The only broad survey (опрос) of ex-students — 1800 of them — showed that later a year one third of the people weren't using the method at all. Another third said they use it sometimes and that probably they have kept speed. But the rest of the students said they were reading faster than a year later.

B. Answer the following questions:

1. Are you a fast or a slow reader?

two. In what situations tin can fast reading exist useful in your opinion?

three. Would you like to ameliorate your reading speed? Why?

iv. Can all books exist read quickly? Why (non)?

Exercise 4.Comment on the following statement.

Every student ought to be able to read very fast.

One point of view: Reading requires thought; ane needs time for thinking, reading ought to exist a kind of dialogue with the author — this requires time; quality is more im­portant than quantity.


A opposite signal of view : Fast reading does not hateful careless reading, zippo is left out, thinking can be very fast, fast reading is reading for meaning, it saves time (экономить) likewise for thinking, information technology is very of import for a person to go a groovy deal of information in as little time as possible.

Source: https://studopedia.ru/6_31316_prochitayte-tekst-i-naydite-abzatsi-gde-govoritsya-o-primenenii-lazerov-perevedite.html

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