节点文献
A Biography of Isaac Asimov(教学设计)
【作者】 刘学农
【机构】 甘肃省民勤县第四中学 ;
Teaching Aims:
1. Learn and master the useful words and phrases.
part-time, biochemistry, staff , talent, theoretical ,framework ,divorce ,as a result of ,be known for
2. Train the stu