具有平肝潜阳、明目作用的药是()。
A.龙骨
B.石决明
C.龙胆
D.车前子
E.牡蛎
参考答案:B
---Where did you see the sponsor, Madame?
---It was in the supermarket __________I was doing some shopping with my husband.
A.that
B.where
C.which
D.when
辐射损伤的确定性效应不存在剂量阀值,它的发生几率随着剂量的增加而增加。