【判断题】建设工程档案文件的保管期限为长期是指工程档案的保存期为50年:
【单选题】Knowing _____, as a matter of fact, one shouldn’t know is a terrible thing.
【多选题】同钢材、混凝土等建筑材料相比,土的抗剪强度有何特点( )
【简答题】For one thing I don't like the colour, and ______________the price is too high. [A] what's more [B] as well [C] for another [D] in addition