It's very cold outside. Please yourcoat. 发布时间:2017-05-22 21:42 │ 来源:www.tikuol.com 题型:选择题 问题: It's very cold outside. Please your coat. [ ]A. put on B. wear C. dress D. have on
题型:选择题 下列离子方程式表示的是氧化还原反应的是[ ]A.HCO3-+OH-==CO32-+H2OB.2Fe3++Fe=3Fe2+C.H3PO4+3OH-=PO43-+3H2OD.Zn+2H+=Zn2++H2↑ 查看答案