题型:选择题 _____ this house with that one, you’ll find this house is better. A.ComparedB.To compareC.ComparingD.When compared 查看答案
题型:选择题 ---My grandma likes rock music very much. ---_________. A I’m not sure. B What on earth is that? C Really? I don’t believe it. D I hope so. 查看答案
题型:填空题 下表中括号内物质是杂质,试将除杂试剂及分离方法填入表内空白处:混合物SiO2(CaCO3)Na2CO3(NaHCO3)NaHCO3(Na2SiO3)Fe2O3(Al2O3)除杂试剂________________________除杂方法过滤______过滤过滤 查看答案