7. Our older generation used to advise us not to build ____ in the air, but that’s not realistic at all.

A．attics

B．castles

C．building

D．Rostrums

下列关于五脏与血液关系的叙述，错误的是（）。

A.肝主藏血

B.脾主统血

C.肾精化生血

D.肺气助心行血

E.心调节血流量