下列物质与水混合,在室温时难以形成饱和溶液的是 [ ]
A.CO2
B.H2SO4
C.C2H5OH
D.KNO3
答案:C
Progress so far has been very good. ______, we are sure that the project will be completed on time.
A.However
B.Otherwise
C.Therefore
D.Besides
图纸会审的内容一般不包括()。
A.设计地震烈度是否符合当地要求
B.防火、消防是否满足要求
C.建筑材料来源有无保证
D.图纸是否符合监理规划所提要求