重庆市2014
高考英语阅读理解一轮（精品）训练题（22）附答案 my friend paul will never forget his first chemistry teacher. he was a little man with thick glasses, but he had a strange way of making his classes lively and interesting . and his lessons were not easily forgotten. paul remembers one of his first lessons from this teacher. after the students were all in the chemistry lab, the teacher brought out three bottles. one was filled with petrol, one with castor oil and one with vinegar. “now watch carefully, " said the teacher. he then filled a cup with some of the pe
