门静脉高压上消化道出血合并肝昏迷,下列各项中最适用于消除肠内积血,减少氨形成的是
A.弱酸性液灌肠B.生理盐水灌肠C.弱碱性液灌肠D.肥皂水灌肠E.50%硫酸镁口服
参考答案:A
It takes _________time to do the work. [ ]
A. too many
B. too much
C. a few
D. quite little
屋面防水找平层与突出屋面的交接处、基层的转角处应做成圆弧,当采用合成高分子防水卷材时,圆弧半径应抹成10mm。( )