水泥是水硬性无机胶凝材料。
A.正确
B.错误
正确答案是A
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/745953.html
上一篇:Try to translate the following into Chinese .1.I shall deal with the background of the Constitution, the great Convention of 1787 that produced it, some of its leading principles and provisions, and the means by which it has been adapted over so long
下一篇:小学数学课程内容