Who am I?我是什么?Chalk粉笔I am flat enough to walk on.我是平的可以走。I am flat enough to write on.我很平,足以写字。Who am I?我是什么?Slate板岩I dazzle! I sparkle! I am a jewel!我很炫!我很闪耀!我是一颗宝石!I am also very ha...