The students' criteria for selecting majors today have much to do with ______ .
A.the influences of their instructors
B.the financial goals they seek in life
C.their own interpretations of the courses
D.their understanding of the contributions of others
第6题
沥青防水卷材是我国常用的传统防水材料,它与改性沥青防水卷材相比,主要缺点为()。
(1)耐热度差 (2)低温柔韧性差 (3)耐久性差 (4)施工及材料成本高
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