患者,女,27岁。妊娠9周,下列除哪组药外,均不官服用
A.巴豆、牵牛子
B.莪术、三棱
C.阿胶、当归
D.虻虫、五灵脂
E.附子、肉桂
参考答案:C
Li Hua has succeeded _______ the National College Entrance Examination and her dream _______ being a university student will come true.
A.in; of
B.on; to
C.in; to
D.on; of
某地15人接种某疫苗后,测得其抗体滴度从1:20到1:320不等,为求其平均滴度,最好选用()
A.众数
B.算术均数
C.几何均数
D.中位数
E.百分位数