油气长输管道穿（跨）越大中型河流、铁路、二级及以上公路高速公路的管段应（）。
A.不试压
B.与相邻管段一并试压
C.单独试压
参考答案：C
The population of China is ________ than that of any other country in the world. [ ]
A. large
B. small
C. larger
D. smaller
几
