【简答题】听下面一材料,回答第1-3题。 1. Why was there dirt on the woman? A. She was pushed to the ground. B. She wore a dirty coat. C. She took a crowded train. 2. Where was the woman robbed? A. On the underground train. ...
【单选题】2005年10月以来,禽流感呈现出在全球蔓延的趋势.国际卫生组织推荐“达菲“作为治疗禽流感药品之一.在跨国,”达菲“也已被列为《人领取流感诊疗方案(2005)版》的治疗用药.该药物的主要成分是一种化学式为C 16 H 31 N 2 PO 8 (相对分子质量是410)的物质.关于该物质的说法不正确的是( )