从480里连续减去多少个5,结果是0?[ ]
A.475
B.95
C.485
D.96
答案:D
Sometimes walking is even ______ than driving during the busy traffic time. [ ]
A. fast
B. faster
C. slow
D. slower
中低压玻璃钢管道,柔性接口的管道,当纵坡大于15°时,()安装可防止管道下滑移动。