20 Twcaty ['twenti]

80 eighty ['eiti]

90 aiacty [‘nainti]

100 hundred [fixndrad]

1000 thousand [9auzand]

1,674 one thousand six hundred and seventy-four 5,803 five thousand eight hundred and three

75,000

seventy-five thousand

15. Read the following extracts aloud:

1. The initial world supply of minable coal amounted to 7.64 x 10" metric tons, of which 65 percent occur in Asia, 27 percent in Horth Amer- ica, 5 percent in Western Europe, and only 2.4 percent in the three coun- tries of Africa, South America and Australia. ‘

2 There has been a continuous trend toward higher transmission volt-

. ages ever since the first ac power plant was built in 1886. By 1900 trans- mission 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.

-9J-

In that year, in the United States there were 320,000 miles (515,000 km) of oansmission lines carrying power at voltages above 23,000 volts and more than 3 million miles (4.8 million km) of distribution lines 8t 22,000 volts or less. By 1970, 560 miles (900 km) of transmission lines carrying power at 765,000 volts had been constructed. A tmnsmission line operating 8t such a high voltage has the capability to carry enough power to ineet 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.

^{ripxcocnxxscTcx rrpn nououut coio3a aad: five and two fiRbs} — nezzza x dee

zzembzx.

B nccxrx•ixsix Apo6ex «uyns» ripoxsxoc›rmx zero wix o, sa rn‹u cxcjjyet ciioao point (mou×n) u saies apobs: o point five mars 9esux u news

$eCN)WNW.Mt UoEMM ]HGEOMXA 9EHNHOR9Q &EDBAWFEX8GEOM E6MEt

craairrcs io•ixa, a tie 3ariaras, xax a pyccsoM ssuixe.

Pronoun Q/7G

3z‹overrue one
	one of the forms of	Df(H8 tt3 i§o(1M 3H8(1IHH.
3aueiimciis pauee ynoMsiiyroro cyigecr- aiireiixiioro	The old turbine was a watur turbine and the new one ii a steam turbine	Ciapas iypbioia 6iu- ma aoauoft iypbiiuofi, a iioaax - napoeas iyp- 6iiua.
Heonpunciieiiiio- runtime noaneixaiuee	One should control the chain reaction.	Cueqycr ×oirrpoiiu- poaars uenuyio peax-

t7. Translate the sentences. Mind one.

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

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

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

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

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

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

5. One must choose only one of those variants.