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
I'm not buying it. I can't afford it for _____ start. Besides, this type of jeans is on _____ way out. [ ]
A. /; /
B. a; /
C. /; the
D. a; the
3G网络的速率最高将达到2Mbit/s。()