低压架空线路经过居民区时导线对地距离应不小于()米。
A、4
B、5
C、6
参考答案:C
Many Chinese universities provide scholarships for students _______ financial aid.
A.in favor of
B.in honor of
C.in face of
D.in need of
在场地排水坡度中,为了方便排水,场地最小坡度为0.3%,最大坡度不大于( )。
A.6% B.7%C.8% D.10%