Man has invented four kinds of satellites. The first kind of satellite studies the of the earth . They are used to make maps . They also help countries to see where they may oil or gold .
The second kind of satellite is used to guide ships and planes. A ship or a plane can a message to the satellite , and the satellite can find out the ship or the plane is .
The third kind studies the weather. These satellites clouds and strong winds moving across the earth. They warn countries to make preparations when very weather is coming.
kind is used for communication. Telephone calls 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 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 at a time .
A.physics B.chemistry C.biology D.geography
A.carry B.find C.keep D.choose
A.write B.send C.take D.bring
A.where B.what C.which D.that
A.have B.watch C.notice D.see
A.sunny B.cool C.bad D.fine
A.The last B.Another C.One D.Any other
A.among B.along C.between D.of
A.TV B.telegraph C.telephone D.satellite
A.plays B.programs C.films D.languages