—How far apart do they live?—________I know,they live in the same neighbourhood. A.As long as B.As far as C.As well as D.As often as 答案:B 此处as far as I know据我所知。句意:“他们住得有多远?”“据我所知,他 们住在同一个邻里。”某赛季,甲乙两名篮球运动员都参加了11场比赛,他们每场比赛得分的情况用如图所示的茎叶图表示,若甲乙两名运动员的中位数分别为a,b,则a-b= .