下列说法中错误的是( ) A.人工降雨中利用干冰升华吸热 B.冬天早晨常常下霜, 发布时间:2017-06-02 14:31 │ 来源:www.tikuol.com 题型:选择题 问题: 下列说法中错误的是( )A.人工降雨中利用干冰升华吸热B.冬天早晨常常下霜,是凝华现象C.饮料中的冰块体积减小是熔化现象D.夏天打开冰棍的包装纸,有“白气”生成,是汽化现象
题型:选择题 —Look at the girl with a pair of glasses over there. Can you tell me ______?—She is a nurse.[ ]A. who is she B. who she is C. what is she D. what she is 查看答案