痰浊壅肺型肺胀缓解期选方() ["A.苏子降气汤","B.小青龙汤","C.六君子汤","D.参苓白术散","E.二陈汤"]
由于网络安全风险产生故障时应该采取()原则。 ["先抢通业务,再抢修故障","先抢修故障,再抢通业务","先查找原因,再抢修故障","先抢修故障,再查找原因"]
国家图书馆的作用有哪些?
依据《中国药典》(2010年版),用硫氰酸盐法检查铁盐杂质,通常要将供试品中的亚铁离子氧化成高铁离子再进行检查。铁盐检查中常用的酸为() ["稀硝酸","稀盐酸","硝酸","盐酸","醋酸盐缓冲液"]
含有龟胶、鹿胶的方剂是() ["A.清胃散","B.玉女煎","C.大补阴丸","D.左归丸","E.一贯煎"]
试样的缩分