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Manhasinventedfourkindsofsatellites.Thefirstkindofsatel...

问题详情:

Manhasinventedfourkindsofsatellites.Thefirstkindofsatel...

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. ics          istry       ogy         raphy

(   )2. y                                    se

(   )3. e                                    g

(   )4. e                        h          

(   )5.              h           ce         

(   )6. y                                    

(   )7. last         her                      other

(   )8. g            g           een        

(   )9.                graph       phone       llite

(   )10. s           rams        s           uages

【回答】

1—5 DBBAB         6—10CACDB

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