下列哪种维生素与暗适应能力有关()。 A.维生素B1 B.维生素B2 C.维生素A 发布时间:2017-09-13 05:05 │ 来源:www.tikuol.com 题型:单项选择题 A1/A2型题 问题: 下列哪种维生素与暗适应能力有关()。A.维生素B1B.维生素B2C.维生素AD.维生素DE.维生素K
题型:单项选择题 A1/A2型题 — What is your sister doing now? — She is packing. She ______ to Hong Kong next week.A. flyB. flew C. was flying D. is flying 查看答案