If you love what you are doing and work hard, you can         anything difficult and succeed.

A．get to

B．get over

C．get on

D．get up

缺铁性贫血的血象特点为

A．红细胞体积正常，中心浅染区缩小
B．红细胞比血红蛋白减少明显
C．血红蛋白比红细胞减少明显
D．网织红细胞计数增高
E．白细胞体积小