润肠通便,又利水消肿的药物是()。
A.香薷
B.知母
C.郁李仁
D.火麻仁
E.大黄
参考答案:C
—Do you know the boy ________ is sitting next to Peter?
—Yes.He is Peter's friend.
A.whom
B.who
C.which
D./
输煤皮带过载易造成皮带()。