河西区是天津市的一个工业区,近年来鼠患比较严重。如某厂是该区用电大户,由于老鼠咬坏电缆或窜入变电室,造成短路停电,平均每月一次,每次损失10万元以上;某食品店价值80元的一箱果胨,一夜间被鼠吃光;某医院婴儿室一婴儿被鼠咬伤;居民住户的衣物、食品被鼠咬盗,也时有发生。为此,河西区政府决定在全区开展一次全民灭鼠,以达到无鼠害区。为了解灭鼠效果,于1987年3月进行一次全面调查。现将结果报告如下: Hexi District is an industrial area in Tianjin, with relatively serious rat infestation in recent years. If a factory is a large electricity generation area in this area, as a result of rat bites cable or flee into the transformer room, resulting in short-circuit blackout, on average once a month, each loss of more than 100,000 yuan; a food store value of 80 yuan a box of peptone , One night was eaten by rats; a hospital baby room a baby bitten by rats; residents of the clothing, food bite robbery, but also from time to time. To this end, Hexi District Government decided to carry out a national anti-rodent in order to achieve no rodent area. In order to eliminate the rat effect, a full investigation was conducted in March 1987. The results reported below: