证券公司将自有资金投资于()资规模合计不超过净资本80%的,无须取得证券自营业务资格。
Theteamplayedhardbecausethechampionshipofthestatewas______.
Inthefuture,more______shouldbeplacedontheeducationoftheyoung.
设(I)计算行列式A;(II)当实数a为何值时,方程组有无穷多解,并求其通解
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()
Thefarmerhadtowearheavybootsinthewinterbecausethefieldsweretoowetand________.