【简答题】阅读理解。 Just a Little Smile Mark was walking home from school one day. He saw the boy in the front drop all of the books he was carrying, with two sweaters, a basketball and a walkman . Mark stopped and...
【单选题】When man began to search the skies, he saw a lot of things. In the universe(宇宙),the earth seemed to be just a small bit of dust. It is only a small planet, and travels around the sum The sun together ...