6个月～6岁小儿贫血标准
A．Hb＜150g/LB．Hb＜145g/LC．Hb＜120g/LD．Hb＜110g/LE．Hb＜90g/L
参考答案：D
Parents will surely their children.
A．make no effect on
B．have some effect on
C．have no effect on
D．make some effect on
