A:get along with
B:get away with
C:get down to
D:get around
anSn+1﹣an+1Sn+an﹣an+1=λanan+1(λ≠0,n∈N• )
读《渔舟唱晚》,诗歌的最后一句“一幅/中国/山水画”与首句比较,为什么少了“清明”一词?