混悬液的制备( ) A.溶解法 B.凝聚法 C.干胶法 D.滤过法 E.浸渍法 发布时间:2017-01-18 04:20 │ 来源:www.tikuol.com 题型:单项选择题 问题: 混悬液的制备( )A.溶解法B.凝聚法C.干胶法D.滤过法E.浸渍法
题型:单项选择题 5. On their arrival on the airport, ___________. A.a group of children welcomed them with flowers B.bunches of flowers were presented to them by a group of children C.they were presented with flowers by a group of children. D.they were welcome by children with flowers 查看答案