2014
高考英语阅读理解基础训练题（116）及答案
《广东省2012届高三考前冲刺卷(四)》c
marie curie was a polish physicist and chemist who lived between 1867—1934.together with her husband，pierre，she discovered two new elements (radium and polonium，two radioactive elements that they extracted chemically from pitch-blended ore) and studied the x-rays they emitted.she found that the harmful pro
