若α与β互补,且α∶β=4∶5,则α=( ),β=( )。
80°;100°
—Good news. We will have a holiday. .
—I’ve heard of it. But it’s coming in .
A.three days; three days’ time
B.three days’; three days'.
C.three-day; three days
D.three days; three-day time
中国古代诗歌中著名的叙事长诗有()。
A.《孔雀东南飞》
B.《长恨歌》
C.《关雎》
D.《春望》