下列属于显影剂的是() A.菲尼酮 B.溴化银 C.硫化钠 D.碳酸钾 E.钨酸钙 发布时间:2018-01-28 03:38 │ 来源:www.tikuol.com 题型:单项选择题 问题: 下列属于显影剂的是()A.菲尼酮B.溴化银C.硫化钠D.碳酸钾E.钨酸钙
题型:单项选择题 He was in hospital for six months. He felt as if he was ______ from the rest of the world. [ ]A. cut out B. cut off C. cut up D. cut through 查看答案