补全对话: 每空一词,将答案写在对话下面的横线上 Bill: (1) me, Mona. Is this your family (2) ? Mona: No, it (3) . It’s Tony’s. Bill: Hello, Tony ! Is this a photo of your (4) ? Tony: Oh , yes , it is . (5) you . Bill: Is this (6) your sister ? Tony: No , she isn’t. She is my (7) . She is my uncle ’s daughter. (8) name is Jenny. Bill: (9) her name , please. Tony: J-E-N-N-Y , Jenny . She is in Class One , Grade Seven . Bill : Oh , what’s her s下列实验操作、现象和解释都正确的是 选项实验操作现象解释A.向某溶液中加入盐酸产生无色气体溶液中一定含有CO32?B.新制Fe(OH)2露置于空气中一段时间白色固体迅速变为灰绿色,最终变为红褐色说明Fe(OH)2易被氧化成Fe(OH)3C.在CuSO4溶液中加入KI溶液,再加入苯,振荡有白色沉淀生产,苯层呈紫色白色沉淀可能为CuID.向某无色溶液中滴加硝酸酸化的BaCl2溶液产生白色沉淀溶液中一定含有SO42-