【单选题】他买了两瓶啤酒和三块巧克力。
A.
He bought two beer and three chocolate.
B.
He bought two bottles of beer and three chocolate.
C.
He bought two bottles of beer and three bars of chocolate.
D.
He bought two beer and three bars of chocolate.
【单选题】对多个总体均数是否存在显著性差异,可以用( )进行检验?
【单选题】某啤酒厂搞捉销活动,一箱24瓶啤酒中有4瓶的瓶盖内印有“奖”字.小明的爸爸买了一箱这种品牌的啤酒,他连续打开了其中的4瓶均未中奖.这时小明在剩下的啤酒中任意打开一瓶,中奖的可能性是 ( ).
【简答题】商店规定:喝完啤酒后,用4个空瓶可换1瓶啤酒。爸爸买了15瓶啤酒, 实际最多可以喝多少瓶啤酒?
【简答题】翻译: 他买了两瓶啤酒和三块巧克力。A. He bought two bottles of beer and three bars of chocolate.
【单选题】The step was announced by the Secretary of State in person and given maximum______.