为治肠胃实热内结、燥屎坚硬难下的是
A．芒硝B．甘遂C．郁李仁D．火麻仁E．大黄
参考答案：A
药物的首过消除发生于（）
A.舌下给药后
B.吸入给药后
C.口服给药后
D.静脉给药后
E.皮下给药后
I bought __________ exercise books with __________ money.[ ]
A. a few, a few
B. a few, a little
C. a little, a few
D. a little, a little
