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The Special Satellites

     Man has invented four kinds of satellites. The first kind of satellite studies the__41__of the earth. They are used to make maps. They also help countries to see where they may__42___ oil or gold. The second kind of satellite is used to guide ships and planes. A ship or a plane can _43__a message to the satellite, and the satellite can find out __44___ the ship or the plane is.

     The third kind studies the weather. These satellites__45__ the cloud and strong winds moving across the earth. They warn countries to make preparations when _46__ weather is coming.

     ___47__kind is used for communication. Telephone calls__48_countries can be sent by these satellites. Some can carry hundreds of calls at the same time. The call is sent to the satellites, then the __49__sends it to the station in the country and the country is being phoned. These satellites also carry pictures, they can receive and send __50__at a time, which we can watch on TV.

(    ) 41. A. physics        B. chemistry           C .biology             D. geography

(    ) 42. A. carry           B. find                 C. keep                 D. choose

(    ) 43. A. write           B. take                 C. send                 D .bring

(    ) 44. A. where          B. what                C. which               D .that

(    ) 45. A. have            B. watch              C. notice                 D .see

(    ) 46. A. sunny          B. cool                C. bad                  D .fine

(    ) 47. A .The last       B. Other              C. One                  D. Another

(    ) 48. A. among         B. along               C. between            D. of

(    ) 49. A. TV             B. telegraph           C. telephone         D. satellite

(    ) 50. A. plays          B. programs         C. films               D. languages