问题
完形填空
完形填空。 | ||||
Man has invented four kinds of satellites. The first kind of satellites studies the 1 of the earth. They are used to make maps. They also help countries to see where they can 2 oil or gold. The second kind of satellites is used to 3 ships and planes. A ship or a plane can send a message to the satellite and can find out 4 it is. The third kind of satellites studies the weather, These satellites 5 clouds and strong winds moving across the earth. They warn countries to make preparation when very 6 weather is coming. They 7 of the earth from thousands of miles above it and send the photos to weather stations on the ground. 8 kind is used for communication. Telephone calls 9 countries can be sent by these satellites. Some can carry hundreds of calls at one time. The call is to be the satellite then the 10 sends it to a station in the country. These satellites also carry pictures; they can send about eight programs at a time. | ||||
|
答案
1-5: CABDA 6-10: CDCAB