.I think _________ of the materials I listened to at the beginning of the exam ____ easy.

A．three fourths; is

B．third four; are

C．three fourths; are

D．third fourth; are

溶血性贫血表现为

A．尿中血红蛋白量增加
B．血中网织红细胞数增加
C．血中原始和早幼白细胞数明显增多
D．血中中性杆状核及晚幼粒细胞数增多
E．骨髓巨核细胞数正常或增加