一、命题世纪之初,我市西部同心村人,以敢叫日月换新天的壮举,在自己的村边家旁,改造凹地,重塑环境,修建同心水库。水库的建设,不仅满足了社会效益、经济效益,而 I. Proposition At the beginning of the century, concentric village people in the western part of the city dared to call the sun and the moon a new day’s feat. By the side of their own village, they transformed the concave, reshaped the environment and built the concentric reservoir. The construction of reservoirs has not only satisfied the social benefits but also the economic benefits