Manhasinventedfourkindsofsatellites.Thefirstkindofsatel...
问题详情:
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.
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( )10. s rams s uages
【回答】
1—5 DBBAB 6—10CACDB
知识点:其他
题型:完型填空