单位容积空气所具有的质量称为空气的()。
参考答案:密度
The shopkeeper did not want to sell for ________ he thought was not enough.
A.where
B.how
C.what
D.which
乳衄肝火偏旺证的用方是
A. * * 口常有精液溢出B.排尿困难、尿潴留C.阴囊肿大偏坠,但无红热,透光试验(+)D.阴茎背侧触及硬结或索状斑块E.射精时精液呈淡红色或棕色