题型:判断题 I ______ for Shanghai this Saturday, so I want to know when the earliest plane ______.A.leave; takes offB.am leaving; takes offC.leave; is taking offD.am leaving; is taking off 查看答案
题型:判断题 某管沟直埋工程,设计图示管道中心线长250m,水平最大宽度1.00m,管底外表面标高为-1.25m,地面平均标高为0.25m,埋管土壤为Ⅱ类土。根据《建设工程工程量清单计价规范》的有关规定,该管沟土方工程量为()。A.312.5m3B.312.5mC.250m3D.250m 查看答案