Gratitude is defined as the art of showing for _________every kindness，great and small．
A．affection
B．appreciation
C．motivation
D．opposition
正确答案：B
affection的意思是“喜爱爱慕”；appreciation的意思是“感激欣赏”；motivation的意思是“动机”；opposition的意思是“反对敌对”题干的意思是“感恩就是一种对大大小小的善意表达感激的艺术”
