我的化学老师英语作文

　　My Chemistry Teacher

　　liu ming is my chemistry' teacher。 he is an ordinary-looking little man with thick glasses， but he has a strange way of XXX his classes lively and interesting。

　　i remembered his first lesson。 he put three bottles on the desk。 one was filled with kerosene， one with castor oil， and one with vinegar。 and he said "now watch carefully。 pay attention to everything that i do。" he held up one of his fingers and dipped it into the cu