小刚家从破旧的平房搬进了崭新的楼房,全家人别提多高兴啦。小刚也有了一片属于自己的小天地。一切安顿好后,爸爸在大门上按了一个会唱歌的电子门铃,还有一个神秘的小“猫眼”。妈妈说,住楼房不像住平房,院里街坊四邻都挺熟,出出进进的都有照应。住楼房,一关上门,谁也看不见谁。最让妈妈不放心的就是快上学的儿子小刚。妈妈一再嘱咐小刚,如果有人敲门,一定先从“猫眼”里看看,是熟人再开门,是生人千万 Xiaogang moved from a shabby bungalow to a brand new building, and the whole family would not happily mention it. Xiaogang also has a small world of their own. After settling, Dad pressed an electronic doorbell singing on the door and a mysterious little cat’s eye. My mother said that living in buildings is not like living bungalows, neighborhoods are very familiar neighborhoods, out there are taken care of. Live in a building, close the door, who can not see who. Most let mother do not worry is going to school son Xiaogang. Mom repeatedly asked Xiaogang, if someone knocked on the door, must first look from “cat’s eye ”, is an acquaintance to open the door, is tens of millions of strangers