—Yes, she was well-known _____ a nurse in England _____her kindness to the sick and wounded soldiers.
A:as; as
B:for; as
C:as; for
要使4y2+9是完全平方式,需添加一项,添加的项为____(写出一个答案即可).
法国教育家卢梭说过:“灌木、花草是大地的饰物和衣裳。再也没有比只有石子、烂泥、沙土的不毛之地更凄惨悲凉的了。”他这句话表明( )