下列各物质的分类中,有错误的是( ) A.氧化物:干冰、水 B.酸:氢氯酸、硝酸 发布时间:2017-05-11 13:11 │ 来源:www.tikuol.com 题型:选择题 问题: 下列各物质的分类中,有错误的是( )A.氧化物:干冰、水B.酸:氢氯酸、硝酸C.碱:纯碱、烧碱D.盐:明矾、石灰石
题型:选择题 —What did you give your mother on her fortieth birthday?—I gave her some flowers. The sentence structure is ______. A. S+VB. S+V+IO+DOC. S+V+PD. S+V+DO 查看答案