题型:问答题 简答题 建筑工程用天然石材,其技术性能应满足下列( )。A.基础石材表观密度低于1 800kg/m3B.有较强的吸水性和透水性C.基础石材表观密度大于1 800kg/m3D.软化系数小于0.60 查看答案
题型:问答题 简答题 Much _____ he has a good taste for China’s football matches, he can’t avoid being influenced by the side effects of the football gambling. [ ]A. that he claims B. does he claim C. is it that he claims D. as he claims 查看答案