小光买了5本算草本,付给售货员5元,找回1元,每本算草本多少元?
郭靖和杨康是金庸武侠小说《射雕英雄传》中的两个重要人物。这两位名字中的“靖”和“康”与下列哪一事件有直接关系( )
—Is _______ ready for the picnic? —No, _______ is wrong with my bike. I can't go bike riding with you.