不属红细胞生成减少所致的贫血是：
A. 红细胞酶缺陷性贫血
B. 营养性巨幼细胞性贫血
C. 铁粒幼细胞性贫血
D. 骨髓病性贫血
E. 再障
下列哪种贫血，外周血片中不会出现幼红细胞：
A. 溶血性贫血
B. 再生障碍性贫血
C. 缺铁性贫血
D. 失血性贫血
E. 巨幼红细胞性贫血
关于return语句,以下选项描述正确的是:( )
A. 函数可以没有return语句
B. 函数中最多只有一个return语句
C. D.return只能返回一个值
D. 函数必须有一个return语句
Which of the following statement is CORRECT?
A. Vitamin B1 (Thiamine) deficiency is associated with Rickets
B. Vitamin B3 (Niacin) deficiency is associated with pellagra
C. Vitamin D (Calciferol) deficiency is associated with scurvy
D. Vitamin C (Ascorbic acid) deficiency is associated with nothing
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