用于肿瘤化疗后所致的严重中性粒细胞缺乏症选用
A.维生素B12B.叶酸C.硫酸亚铁D.红细胞生成素E.粒细胞集落刺激因子
参考答案:E
---- Have you heard that Peter rather than his parents _________ to Singapore?
---- Really? No wonder I haven’t seen her.
A.has been
B.has gone
C.have gone
D.have been
维生素D缺乏性手足抽搐症多见于
A.6个月以内小婴儿
B.2岁以上幼儿
C.新生儿
D.1岁以上小儿
E.以上都不是