在晶体中由物质质点所组成的平面称为(),物质质点所组成的直线称为()。
参考答案:晶面;晶向
—Nancy, you are late today!
—Sorry, I ______ next time, Miss Li. [ ]
A. don't
B. won't
C. am not
D. haven't
()如果企业职工不遵守企业规章制度,那是因为规章制度不合理。