阅读下面短文，掌握其大意，然后从1—10各题所给的四个选项（A、B、C和D）中，选出最佳选项。
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 people 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 ___ cloud 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 to these satellites． Some can carry hundreds of calls at one time． A call is sent to the satellite, then the ____ sends it to the station in the country that is being phoned． These satellites also carry pictures; they can receive and send about eight ____ at a time, which we can watch on TV.

A．physics B．chemistry C．biology D．geography

A．carry B．find C．keep D．choose

A．write B．take C．send D．boring

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．Other C．One D．Another

A．among B．along C．between D．of

A．TV B．telegraph C．telephone D．satellite

A．plays B．programs C．films D．languages