“哎,别急孩子们,”鸭妈妈看着嗷嗷待哺的孩子们发愁地说,“不是妈妈不疼爱你们,从咱家到村边那唯一的池塘已被三只险恶的黑猫霸占了,我得好好想想,怎么走才能巧妙地躲避黑猫的追捕,到池塘给你们钓些鱼来。”小朋友们,请仔细看看这张地形图,开动你们聪明的小脑筋,看谁能为鸭妈妈指出一条安全的路线。 “Hey, do not worry children, ” Duck mother looked grieving children said sadly, “not my mom does not love you, from our home to the village edge that the only pond has been occupied by three sinister black cats , I have to think about it, how to walk to cleverly avoid the pursuit of black cats, to the pond to catch some fish for you. ”" Children, please take a closer look at this topographic map, start your clever brains, look Who can point out a safe route for the mother duck.