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16. Read the following extracts aloud:

1. The initial world supply of minable coal amounted to 7.64 × 1012 metric tons, of which 65 percent occur in Asia, 27 percent in North America, 5 percent in Western Europe, and only 2.4 percent in the three countries of Africa, South America and Australia.

2. There has been a continuous trend toward higher transmission voltages ever since the first a.c. power plant was built in 1886. By 1900 transmission lines at 40,000 volts were carrying power for distances up to 75 miles (120 km). In 1916 a 132,000-volt line was built to carry power for a distance of 55 miles (90 km). In 1948 the record was held by a 220,000 volt line. In 1948 the Hoover Dam’s hydroelectric plant was sending power over a 287,000-volt line to Los Angeles, about 275 miles (440 km) away. By 1959 maximum transmission voltages had increased to 345,000 volts. In that year, in the United States there were 320,000 miles (515,000 km) of transmission lines carrying power at voltages above 23,000 volts and more than 3 million miles (4.8 million km) of distribution lines at 22,000 volts or less. By 1970, 560 miles (900 km) of transmission lines carrying power at 765,000 volts had been constructed. A transmission line operating at such a high voltage has the capability to carry enough power to meet the needs of a city with a population of one million people.

By 1990 10,200 miles (16,400 km) of 765,000-volt transmission lines had been built in the US.

Простые и десятичные дроби

В простых дробях числитель выражается количественным числительным, а знаменатель  порядковым. Если числитель больше единицы, то знаменатель имеет окончание -s: two fifths  две пятых. В смешанном числе целое число читается как количественные числительные, а дробь присоединяется при помощи союза and: five and two fifths  пять и две пятых.

В десятичных дробях «нуль» произносится zero или o, за ним следует слово point (точка) и затем дробь: о point five  ноль целых и пять десятых. Между целым числом и десятичной дробью в английском языке ставится точка, а не запятая, как в русском языке.

Pronoun Оne Местоимение one

Значения one

Примеры

Перевод

… один из …

Nuclear energy is one of the forms of energy.

Ядерная энергия  одна из форм энергии.

Заменитель ранее упомянутого существительного

The old turbine was a water turbine and the new one is a steam turbine.

Старая турбина была водной турбиной, а новая  паровая турбина.

Неопределенно-личное подлежащее

One should control the chain reaction.

Следует контролировать цепную реакцию.

17. Translate the sentences. Mind one.

1. The second sputnik was launched about a month after the first one.

2. There are many insulating materials from which one may choose.

3. Some substances are efficient conductors, others, poor ones.

4. One uses special devices to measure current, voltage, and resistance.

5. The new method proved to be much more efficient than the old one.

6. One knows that these installations do not operate on nuclear power.

7. One must choose only one of those variants.

The Verb

Глагол

The English Tenses

Времена глагола

Active Voice

Действительный (активный) залог

Вид

Время

Present

Past

Future

Indefinite

supply

supplied

shall

supply

supplies

will

Continuous

am

supplying

was

supplying

shall

be supplying

is

are

were

will

Perfect

have

supplied

had supplied

shall

have supplied

has

will

Perfect Continuous

have

been

supplying

had been supplying

shall

have been supplying

has

will

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