Test Yourself. Иванова Ю.В - 36 стр.

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Before the days of (1) __________ satellites and manned space flight,
scientists used (2) __________ to obtain information about the planets and
stars. Big radio telescopes like the one at Jodrell Bank in England are also
valuable (3) __________ of information. They pick up radio (4)
__________ from space. Our knowledge has been (5) __________ even
more by information (6) __________ by instruments which have been
landed on the moon, Mars and Venus. Every satellite, which is sent up is
like a small laboratory, packed with instruments to (7) __________
everything from temperature to radiation levels.
V. Подберите к началу предложения из колонки А окончание
предложения в колонке B. Запишите свой выбор в колонку С:
А В С
1. Currents of very cold air a) but also sound, heat and
electricity.
1. c
2. Physicists study not only
light
b) and are cold-blooded.
2.
3. We are slowly poisoning
our
c) make the water vapour in clouds
freeze.
3.
4. Mercury is d) most important natural resource. 4.
5. Reptiles are covered with
scales
e) highly poisonous.
5.
6. Lightning is a sudden a) between high and low pressure
areas.
6.
7. Oil floats on water and
does not
b) discharge of electricity.
7.
8. Wind is simply the
movement of air
c) the heat gives energy to the water
molecules.
8.
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