下列哪项不是溶血性贫血的特征()
A.周围血网织红细胞计数增高
B.红细胞、血红蛋白减少
C.血清间接胆红素增高
D.髓有核红细胞增生活跃
E.尿胆红素阳性
参考答案:E
He is the only one of the students who __________a winner of scholarship for three years.
A.is
B.are
C.have been
D.has been
观果树种在生命周期中的表现是早熟性中熟性晚熟性.