饱和度是用来评价沥青混合料的______。
A.高温稳定性 B.低温抗裂性 C.耐久性 D.抗滑性
参考答案:C
Modern science and technology has ()communication between people far apart.
A.made convenient
B.made it convenient
C.made it convenient for
D.made it convenient to
自然灾害的减灾工程