肾气丸组成中配用“六味地黄丸”药物的主要意义是()。
A.制约附子、桂枝的温燥
B.治疗腰痛脚弱之证
C.滋补肾阴,使阴生阳长
D.滋补肾阳的不足
E.以上均不是
参考答案:C
不属于尿标本保存的防腐剂的是 ()
A.甲醛
B.甲苯
C.浓盐酸
D.二甲苯
E.麝香草酚
--- The research on the new bird flu virus vaccine is challenging and demanding. Who do you think can do the job?
---____ my students have a try?
A.Shall
B.Must
C.Will
D.May