Only a(n) ________ few were invited to the dancing party.

设A，B=,则A与B=（）

西汉时，主张文治，反对 "马上治天下 "的是 ()

某人向同一目标独立重复射击, 每次射击命中目标的概率为 p(0< p<1), 则此人第 4 次射击恰好第 2 次命中目标的概率为（）

Human behavior is mostly a product of learning ________ the behavior of animals dependsmainly on instinct.