端午节,小杉在乌蒙大草原游玩时,捡到一块不知名的均匀物块,他将该物块带回学校,在老师的帮助下,对其密度进行测量(如图).
下图山脉西侧和东侧的地形区分别是
① ____ A. I like playing yoyo.
② ____ B. My father likes hamburgers.
③ ____ C. I like eating pizza.