预防霍乱较为完整的措施是()。
A.隔离、治疗病人
B.流行季节预防服药
C.流行季节预防接种
D.隔离治疗病人,切断传播途径,疫区人群进行预防注射
E.封锁疫点、疫区
参考答案:D
—Ye Shiwen got the championship in the women's 400 meter individual medley at London Olympics.
—She fully deserves the title. She ________ for it for years.
A.is preparing
B.was preparing
C.has prepared
D.had been preparing
资源处于衰竭状态的重要野生药材物种是()
A.黄芪
B.黄柏
C.黄芩
D.羚羊角