平屋顶与坡屋顶的分界坡度是( )。A.5% B.10% C.15% D.20% 发布时间:2017-06-10 02:41 │ 来源:www.tikuol.com 题型:单项选择题 问题: 平屋顶与坡屋顶的分界坡度是( )。A.5%B.10%C.15%D.20%
题型:单项选择题 —Sally is a middle school student. She is in Class Six, Grade One. How old is she? —_____.A. The thirteen B. Thirteenth C. The thirtieth D. Thirteen 查看答案