全面质量管理的科学性与严谨性体现在质量的好坏要靠()来证明。
参考答案:详实的数据
充填体对矿柱的作用是()
A.控制地压
B.控制地压和限制围岩移动变形
C.限制围岩移动变形
D.防止围岩
That was a very busy street that I was never allowed to cross accompanied by an adult.
A.when
B.if
C.unless
D.where