欢迎来到牛牛题库网 牛牛题库官网
logo
搜索
全部科目 > 大学试题答案(课后习题答案)

单项选择题

元明粉属于（）。

A.减水剂
B.早强剂
C.引气剂
D.缓凝剂

点击查看答案&解析
上一题 目录 下一题

相关考题

单项选择题
听力原文：M: Hello. Will you please send someone up to my apartment? The hot water is running. And I can't turn it off.
W: There's no one in the office right now. I'll send someone up as soon as I can.
Why did the man want someone to come up to his apartment?
A．There was no hot water.
B．The light couldn't be turned off.
C．There was no heat.
D．The hot water was running.
A.
W:
B.
Why
C.There
D.
B．The
E.
C．There
F.
D．The
G.
单项选择题
听力原文：W: Would you like to go the concert with us?
M: I'd rather watch the football match at home.
What does the man mean?
A．He prefers to listen to music alone.
B．He thinks it is better to stay at home and watch TV.
C．He prefers to go to the football match.
D．He wants to play football than to go home.
A.
What
B.He
C.
B．He
D.
C．He
E.
D．He
F.
单项选择题
即具有自重轻、构造简单、装配化程度高，又属环保、节能型的防水材料是（）。

A.混凝土屋面瓦
B.金属屋面
C.聚氯乙烯瓦
D.阳光板
微信小程序免费搜题

All Rights Reserved 版权所有©牛牛题库网(nntiku.com)

备案号：湘ICP备2022003000号-1

微信扫一扫,加关注免费搜题

微信扫一扫,加关注免费搜题