题目

阅读与表达 阅读短文，根据要求完成下面各小题。 I’m Nancy. I have some good friends. They are Mike, Kate and Jim. 4.We go to the same school and we love sports. Mike likes bananas very much. He doesn’t like pears. Mike likes basketballs. He has three basketballs in his room. We play basketball at school with friends. Kate likes ping-pong. It’s easy for her. 5.She has four ping-pong balls and two ping-pong bats. Jim likes books. He has many books in his room. His books are on the table. Jim likes fruit and chicken. He eats bananas for breakfast. And he eats ch在中，，，，将沿某条直线折叠，使三角形的顶点A与B重合，折痕为DE.（1）试求的周长；（2）若，求的度数。