移宫案
参考答案：移宫案：光宗朱常洛死后，熹宗朱由校即将登基，抚养他的李选侍占居乾清宫不愿迁出
北京地面站提供B．F.C．M等系统服务，地面站接人码为868的系统为（）①F站；②B站；③C站；④A站
A.①②③
B.①②
C.②④
D.①③④
As a result of floods , huge quantities of good earth_______this year. [ ]
A. is washing away
B. is being washed away
C. one washing away
D. are being washed away
