圆锥的母线和底面的直径均为6,圆锥的高为 ▲ .
圆锥的高,母线长,底面半径组成直角三角形,圆锥的高=
I ______ peaceful countryside ______ noisy cities while my sister prefers _____ in the modern cities.
A.would rather; than; living
B.prefer; to; living
C.would rather; than; to live
D.prefer; to; to live
下列各项,与"益火之源,以消阴翳"有关的方剂是()
A.大补阴丸
B.六味地黄丸
C.地黄饮子
D.龟鹿二仙胶
E.肾气丸