一个质量为m的物体，从距竖直墙L处以初速度v₀水平抛出。不计空气阻力，则该物体撞到墙上的时间由下列哪组物理量决定[ ]

A．重力加速度g

B．初速度v₀

C．水平距离L

D．初速度v₀和水平距离L

只封禁一台IP地址为203.168.47.59主机的access-list的正确配置是 (41) 。

A．access-list 110permit ip any any
access-list 110deny ip host 203.168.47.59 any
access-list 110deny ip any host 203.168.47.59

B．access-list 110deny ip host 203.168.47.59any
access-list 110deny ip any host 203.168.47.59
access-list 110permit ip any any

C．access-list 110deny ip host 203.168.47.59 any
access-list 110deny ip any host 203.168.47.59

D．access-list 110deny ip host 203.168.47.59 any
access-list 110permit ip any any
access-list 110deny ip any host 203.168.47.59