大细胞性贫血见于()
A.巨幼细胞贫血
B.地中海贫血
C.溶血性贫血
D.铁粒幼细胞性贫血
E.肿瘤性贫血
参考答案:A
氨茶碱的有效治疗血浓度为()
A.5~10μg/ml
B.10~15μg/ml
C.15~20μg/ml
D.5~10μg/ml
E.10~15μg/ml
What a pity! Liu Xiang didn't win the _____ hurdles(跨栏)![ ]
A. 110-meter
B. 110-meters
C. 110 meter