放射性物品道路运输装卸作业和普通货物装卸作业的要求是（）的。
A.没有区别
B.有区别
C.相似
参考答案：B
—I think volunteering in our community is great._____
— I really get a kick out of teaching kids French. [ ]
A. How are you?
B. How about you?
C. What's going on?
D. What's wrong?
营养性缺铁性贫血，血象特点是（）
A.红细胞比血红蛋白减少明显
B.正细胞低色素性贫血
C.红细胞中心浅染区正常
D.网织红细胞数正常或轻度减少
E.血小板、白细胞减小
