肠郁中医辨证论治为湿热阻滞型，方选（）
A.三仁汤
B.八正散
C.甘露消毒丹
D.二妙散
E.半夏泻心汤
参考答案：E
Professor Smith has written some novels, but he is _____ known for his plays.
A．the best
B．more
C．better
D．the most
外啮合齿轮泵有直齿、斜齿、人字齿等几种齿轮，一般采用（）齿形。
