某县要举行中学生篮球比赛,学校推荐篮球技术全面的小凡参加比赛,他认为训练和比赛必然影响学习而拒绝参加。
如图,△ABC中,∠ACB=90°,AC=BC,点D在边AB上,连接CD,将线段CD绕点C顺时针旋转90°至CE位置,连接AE.求证:AE=BD.
一 Do you know boy over there?
一 Yes, he likes playing basketball very much.
— _______ heads means No in China but Yes in India.
— Sounds interesting.