— I played basketball for a whole morning yesterday and felt pretty good.

— You will be healthier if you exercise more ________. [    ]

A. regularly  

B. extremely

C. fluently  

D. annually

静态式炉窑的砌筑划线一般以()为基准。

A．最下端的风口或检查口

B．最下端设备底板上表面

C．最下端托砖板位置

D．进料口中心线