Английский язык. Болсуновская Л.М - 31 стр.

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33
a) am answered b) am answering c) answered
7. We _______ a postcard from our holiday.
a) sent b) sending c) is sent
8. The doctor has _____ for.
a) is sent b) was sent c) been sent
9. The fire fighters _______ the children.
a) saves b) saved c) been saved
10. The children were_____.
a) rescue b) rescued c) been rescued
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SATELLITES
Satellites are an important part of our ordinary lives. For example, the
information for weather forecast is sent by satellites. Some satellites have
cameras which take photos of the Earth to show how clouds are moving.
Satellites are also used to connect our international phone calls.
Television satellites
We use satellites to send television pictures from one part of the world to
another. They are usually 35,880 kilometers above the equator. Sometimes
we can see a satellite in the sky and it seems to stay in the same place. This is
because it is moving around the world at 11,000 kilometers per hour- exactly
the same speed that the earth rotates. A satellite must orbit the Earth with its
antennae facing the Earth. Sometimes it moves away from its orbit so there
are little rockets on it which are used to put the satellite back in the right
position. This usually happens about every five or six days. Computer
connections of the World Wide Web and Internet are also satellites. Many of
our programs come to us through satellites. Airplane pilots also sometimes
use a satellite to help them find their exact location.
The Earth’s biggest dustbin?
Space is not empty! Every week more and more satellites are sent into space
to orbit the Earth. A satellite usually works for 10- 12 years. Satellites which
are broken are sometimes repaired by astronauts or sometimes they are
brought back to Earth to be repaired. Often very old or broken satellites are
left in space to orbit the Earth for a very long time. This is very serious
because some satellites use nuclear power and can crash into each other.
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предложения, используя информацию из текста:
weather forecast clouds equator speed rotate
antenna location orbit nuclear power crash

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