急性白血病出血的主要原因是()
A.DIC
B.血小板减少
C.纤维蛋白溶解
D.AT-Ⅲ减少
E.小血管被白血病细胞浸润破坏
参考答案:B
(2013 ·郑州高中毕业班第一次质量预测)________ his strength failed and he dropped behind in the race.
A.Quietly
B.Actually
C.Practically
D.Gradually
何谓中药的四气五昧,各有何作用?