John says that his present job does not provide him with enough ______for his organizing ability.

设数列 {an} 的前 n 项和为 Sn，则 {an} 等差。

(1) S n4=n 2+2n, n=1,2,3

(2) S n4=n 2+ 2n +1,n=1,2,3

The interactions between China and the US will surely have a significant_______on. peace and stability in the Asia .—Pacific region and the world as a whole.

TheopportunitytoexploreandplayandtheencouragementtodosoCan________theperformanceofmanychildren．

有一 6X6 的方阵，它所含的每个小方格中可填入一个汉字，已有部分汉字填入。现要求该方阵中的每行每列均含有礼、乐、射、御、书、数 6 个汉字，不能重复也不能遗漏。根据上述要求，以下哪项是方阵底行 5 个空格中从左至右依次应填入的汉字 ?