6个月以后婴儿发生缺铁性贫血的常见原因()
A.慢性腹泻
B.钩虫病
C.生长发育快
D.未及时添加含铁丰富食物
E.储存于肝脾和骨髓内的铁耗尽
参考答案:D
Two thirds of rice in the south of China.[ ]
A. produces
B. products
C. is produced
D. are produced
A.
B.
C.mgx
D.