既能凉血止血，又能解毒杀虫的药物是（）
A.羊蹄
B.小蓟
C.大蓟
D.苎麻根
E.地榆
参考答案：A
What a pity! He ______the only chance of success.
A．put down
B．threw away
C．gave in
D．broke off
少尿是指每小时尿量持续少于
A．5mlB．12mlC．17mlD．19mlE．20ml
