电视剧《甄嬛传》的片尾曲《凤凰于飞》的歌词中写道：“凤凰于飞，翙翙其羽”这句歌词出自哪里？
参考答案：“凤凰于飞，翙翙其羽”这句歌词出自《诗经》。
She was so _____ in her job that she didn't hear anyone knocking at the door. [ ]
A. absorbed
B. attracted
C. drawn
D. concentrated
0.47里面有______个百分之一．
