填方、柱基、基坑、基槽和管沟回填,必须按规定分层夯压密实。取样测定压实后的干土质量密度,其合格率不应小于()。
A.70%
B.80%
C.90%
D.100%
参考答案:C
.
_______ great achievements the future may have in store for China, it’s likely that many of them will be born in northwestern Beijing.
A.However
B.Whatever
C.No matter what
D.No matter
男,45岁,肝硬化3年,查体有少量腹水,患者应用利尿剂,宜首选()
A.甘露醇
B.安体舒通
C.利尿酸钠
D.双氢克尿噻
E.速尿