完形填空。
Man has invented four kinds of satellites. The first kind of satellite studies the
1 of the earth. It is used
to make maps. It also helps countries to see where they may
2 0il or gold.
The second kind of satellite is used to guide ships and planes. A ship or a plane can
3 a message to the
satellite, which can find out
4 the ship or the plane is. The third kind studies the weather. These satellites
5 clouds and strong winds moving across the earth. They warn countries to make preparations when very
6 weather is coming.
7 kind is used for communication. Telephone calls
8 countries can be sent by these satellites. Some can
carry hundreds of calls at the same time. Each call is sent to the satellite, then the
9 sends it to a station in the
country and this country is being phoned. These satellites also carry pictures; they can receive and send about
eight
10 at a time.
( )1. A. physics
( )2. A. carry
( )3. A. write
( )4. A. where
( )5. A. have
( )6. A. sunny
( )7. A. The last
( )8. A. among
( )9. A. TV
( )10. A. plays
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B. chemistry
B. find
B. take
B. what
B. watch
B. cool
B. Another
B. along
B. telegraph
B. programmes
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C. biology
C. keep
C. send
C. which
C. notice
C. bad
C. One
C. between
C. telephone
C. films
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D. geography
D. choose
D. bring
D. that
D. see
D. fine
D. Any other
D. of
D. satellite
D. languages
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