Many lifestyle patterns do such ________ great harm to health that they actually speed up ________ weakening of the human body. [ ]

A. a; /

B. /; the

C. a; the

D. /; /

高层建筑高度是指建筑物室外地面到其( )的高度。

A．建筑最高处

B．檐口或屋面面层

C．女儿墙顶部或檐口

D．屋面面层