完形填空。
Man has done much research in our universe. Man has even invented four kinds of satellites. The first
kind of satellite studies the geography of    1   , our home. It is used to make maps and also help countries
to see where they may    2   oil and 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, and can find out where it is.
The third kind studies the weather. These satellites watch clouds and strong wind    4   across the earth.
They warn countries to be ready when the    5   weather is coming. They    6   of the earth from thousands
of miles above it and send the photos to weather stations on the ground.
    7   kind is used for communication. Telephone calls    8   countries can be sent by these satellites.
Some can carry hundreds of calls at one time. A call is sent to the satellite, then the    9   sends it to a station
in the country. These satellites also carry pictures. They can   10   and send about eight pictures at a time.
People can send pictures to each other by mobile phones.
(     ) 1. A. the sun
(     ) 2. A. buy
(     ) 3. A. get
(     ) 4. A. moving
(     ) 5. A. fine
(     ) 6. A. take photos
(     ) 7. A. The other
(     ) 8. A. between
(     ) 9. A. man
(     ) 10. A. take

查看答案