下列哪项是急性白血病诊断的主要依据是()
A.发热、贫血、出血
B.白细胞计数>50×10/L
C.骨髓增生极度活跃
D.胸骨压痛(+)
E.骨髓中原始细胞明显增高
参考答案:E
— There is something wrong with your hike, ____?
— Yes. I'll have it _ tomorrow.
A. isn’t it; mend H. isn’t there: mended C. isn't it; mended D. isn't there; mend
免疫程序概念