完形填空。
根据短文内容，从A、B、C、D四个选项中选出一个能填入相应空格内的最佳答案。
Man has invented four kinds of satellites. The first kind of satellite
studies the 1 of the earth . They are used to make maps . They also help countries to see where they may 2 oil 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 , and the satellite 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 . The 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 B.chemistry C.biology D.geography
( )2. A.carry B.find C.keep D.choose
( )3. A.write B.send C.take D.bring
( )4. A.where B.what C.which D.that
( )5. A.have B.watch C.notice D.see
( )6. A.sunny B.cool C.bad D.fine
( )7. A.The last B.Another C.One D.Any other
( )8. A.among B.along C.betwee
n D.of
( )9. A.TV B.telegraph C.telephone D.satellite
( )10. A.plays B.programs C.films D.languages