缺乏后出现皮炎、腹泻、痴呆等“3D”症状的维生素是() A.维生素A B.维生素C 发布时间:2017-08-20 09:35 │ 来源:www.tikuol.com 题型:单项选择题 问题: 缺乏后出现皮炎、腹泻、痴呆等“3D”症状的维生素是()A.维生素AB.维生素CC.维生素B1D.叶酸E.烟酸
题型:单项选择题 — He seems to be lost in thought. Why?— Because the film _____his memories of his childhood.A.calls upB.picks upC.brings upD.takes up 查看答案