以卫星转发为主要传输方式的电视广播系统属于（）
A、地面电视
B、模拟电视
C、数字电视
D、卫星电视
参考答案：D
. Recently a terrible earthquake happened in Sichuan, ____the people are still suffering.
A．from their effects
B．of which effects
C．of its effects
D．from whose effects
密尔沃基矫形器属于（）
A.肩矫形器
B.踝足矫形器
C.脊椎侧弯矫形器
D.肘关节矫形器
E.颈椎矫形器
