Itisusefultoscience_______theearthasanobjectinspace.
A、toconsider
B、whichconsiders
C、considers
D、theconsiderationof
Attendanceatfootballmatcheshave_____sincethecomingoftelevision.
A、droppedin
B、droppedoff
C、droppedout
D、droppeddown
Takeit______.Itisnothingbutajoke.
A、easy
B、easily
C、serious
D、seriously
A、克劳迪王朝
B、安敦尼王朝
C、弗拉维王朝
D、塞维鲁王朝