【简答题】Scientists would like to place a huge mirror in space above the earth. It might be sixty miles wide. It would be used to catch the rays (光线) of the sun. It would direct the sun’s rays upon the earth a...
【简答题】完形填空。 When I was a small child, during the war, we were very poor and we lived in a faraway village. One day, on the road, I found the 1 pieces of a mirror. There was a Garman motorcycle accident. I t...