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47
1. Were it possible to learn how birds find their way, people would use the principle
to develop a navigation system for aviation.
2. You would never get lost in a new city provided you had a map of it.
3. Had they met with such difficulties before, they would have known what to do.
Задание 4.
Перепишите следующие предложения и переведите их на русский язык,
обращая внимание на различные значения выделенных слов.
1. Automatic control in the simplest form has been known since
the beginning of the
steam age.
2. Both
chemical energy and mechanical energy can be transformed into electricity.
3. We need much electricity for
it is used both in our homes and in industry.
4. All countries should use nuclear energy for peaceful purposes only
.
Задание 5.
Переведите предложения и определите функции глаголов should and
would.
1. After reading a new technical article you should write an abstract.
2. They think that they should take part in the conference.
3. The engineer demanded that the unit to be installed should be tested.
Задание 6.
Прочитайте текст и ответьте на вопросы:
1. What does the word «laser» mean?
2. What can a laser do?
LASER
1. In the «War of Worlds» written before 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 heat has come to reality in the
laser. The name stands for light amplification by stimulated emission of radiation.
2. Laser, one of the most sophisticated inventions of man, produces an
intensive beam of light of a very pure single colour. It represents the fulfillment of
one of the mankind's oldest dreams of technology to a light beam intensive enough to
vaporize the hardest and most heat-resistant materials. It can indeed make lead run
like water, or, when focused, it can vaporize any substance on the earth. There is no
material unamenable
1
to laser treatment and laser will become one of the main
technological tools quite soon.
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