小熊每次去姥姥家,都要从一座大土山的北坡,爬到南坡。他的好朋友小鸡,正好相反,要从南坡爬到北坡。这天,他俩又碰到了。“小鸡,咱俩换姥姥吧!”小熊说,“那样,就不用爬山了。”“行啊,反正她俩的名字都叫姥姥!”小鸡说,“可是,你的姥姥那么高,把我们家屋顶顶破了,怎么办?” Cubs every time to go to the grandmother home, from a large northern slope of the soil, climb to the southern slope. His friend Chick, on the contrary, climbed from the south slope to the north slope. On this day, they met again. “Chick, let’s change the grandma!” Said the little bear, “so there is no need to go hiking. ” “OK, anyway, her name is grandma!” “The chick said,” but , Your grandmother is so tall, put the roof of our house broken, what to do?