砌筑建筑物的基础最好应选择()。 A.烧结普通砖 B.烧结多孔砖 C.烧结空心砖 D 发布时间:2017-08-31 18:17 │ 来源:www.tikuol.com 题型:单项选择题 问题: 砌筑建筑物的基础最好应选择()。A.烧结普通砖B.烧结多孔砖C.烧结空心砖D.非烧结砖
题型:单项选择题 Read and order. 读一读,给下列句子重新排序。( ) I want to fly kites with my father. But he is working. ( ) OK. Let's go. ( ) Hi, Li Ming. What do you want to do? ( ) Yes, I like to play it. ( ) Oh, poor Li Ming. Do you like to play ping-pong? ( ) Would you like to play it with me? 查看答案
题型:单项选择题 A、D是两种常见的固体,其中D为亮红色;B、E是两种常见的气体,其中气体E有剧毒.它们之间有如下关系:试推断:(1)A、E的化学式分别为:A______;E______.(2)写出A→D的化学方程式:______. 查看答案