I. Find in the text equivalents to the phrases and sentences:

Text 10A Laser

I. Find in the text equivalents to the phrases and sentences:

· Before the end of the century – ‘ before the turn of the century’

· The name means…

· Laser made one of people’s oldest fantasies come true.

· No substances can resist laser.

· It seems impossible that laser can have so many different uses.

· To make the task possible…

· There are a lot of problems on the way

· The use in communication can be the future of laser.

· A single laser beam can replace all other means of communication.

· Technological difficulties prevent these projects from realization.

II. Make all possible word combinations with these words

come	aboard	a dream
conduct	at	a problem
encode	into	a project
encounter	to	an experiment
fulfil		demands
involve		difficulties
meet		effect
overcome		great cost
place		magic
put		reality
realize		satellites
solve		signals
suggest
work

III. Complete the gaps with pairs of words, which have the same form. Pay attention to the forms. (There are two pairs that you don’t need).

Place, v – place, n form, v – form, n focus, v – focus, n

turn, v – turn, n estimate, v – estimate, n

centre, v – centre,n use, v – use, n

1. Before you start a project, you should … how much money you can spend. – According to my ….. the journey won’t take you long.

2. The ecological problems are now in the … of attention. – To make a laser beam more intensive you should … it.

3. Laser can … lead into liquid. – She was born around the … of the century.

4. The scientists are trying to find a new … for nuclear waste. – in future it will be possible to … lasers to transmit radio and telephone messages.

5. There are plans to … laser installations on the space objects. – Russia lost its … among the leading countries of the world.

IV. Complete the gaps in the table with the related words.

Action (-y, -)	Process or result (-(c)ation, -ion, -ment)	Doer (-er/or, -ist)	Attribute (-ed, -ive)
?	?	amplifier	?
conduct	?	?	?
?	suggestion	--	--
?	discovery	--	--
--	--	?	physical
?	stimulation	--	?
require	?	--	?
intensify	?	?	?
?	transmission	?	--
transform	?	?	?

V. Complete the gaps with one the forms of the word in brackets.

0. No material on the earth can withstand laser …... (treat) – treatment

1. To combine laser and thermonuclear reaction would be the …….. of every physicist’s dream. (to fulfil)

2. We haven’t yet managed to find a …….. source of energy. (to limit)

3. The laboratory is now working at a new kind of ……..-……… materials. (to resist heat)

4. What ……. of laser in our everyday life do you know? (to apply)

5. These experiments are conducted with the help of a laser ………. (to install)

6. The …….. temperature is 900º C. (to require)

7. Most fantasies of the humankind has already come to ……. (real)

8. A laser beam can ….. any substance on the earth. (vapor)

9. The …… of the laser beam can be varied. (intense)

VI. Complete the following sentences

1. LASER stands for …

2. The main characteristic of laser is that it can …

3. Laser can be used in controlled thermonuclear reactions because...

4. Communication is one of the most probable uses of laser because…

5. Laser may be used in outer space in order to…

Laser

applications of laser in industry and science
controlled thermonuclear reaction
fulfilment of the mankind’s dream
hardest and most heat-resistant materials
intensive beam of light of a pure single colour
laser installation
laser treatment
light amplification by stimulated emission of radiation
light capacity
long distance communication
power plant
practically limitless source of energy
sophisticated invention
technological tool
according to current estimates
in practice
in a fraction of a second
the turn of the century
to be focused
to carry messages
to combine the two big technological discoveries
to come to reality
to conduct physical experiments
to encode complex signals
to encounter difficulties
to heat the fuel to the required temperature
to involve great cost
to meet demands
to overcome difficulties
to place aboard earth satellites
to put a project into effect
to realize a project
to represent
to stand for
to suggest a project
to transform the solar radiation into laser beams
to transmit the entire text

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