具有敛肺止咳功效的药物是（）
A.五味子
B.罂粟壳
C.诃子
D.白果
E.紫苏子
参考答案：A, B, C, D
—When were you born?
—I was born _____ the morning of May 7th,1995. [ ]
A. in
B. on
C. at
国民生产总值（grossnationalproduct，GNP）
