论文部分内容阅读
Ⅰ.阅读理解:阅读下列短文,然后回答文章后面的问题,从四个供选择的答案中挑出正确的一个.rnFDA Approves New Osteoporosis DrugrnThe Food and Drug Administration (FDA) has approved new drug, raloxifene, for the prevention of osteoporosis in postmenopausal women. Osteoporosis is a condition of progressive degeneration of bone mass and reduced bone strength that most commonly affects postmenopausal women and often leads to hip, wrist or spine fractures.