我們伟大的祖国,正在胜利地成长。随着工業、农业、交通运輸業的發展,許多建筑工程在我国辽闊的土地上建立起来,并且还在不断地建立着。在人民日常生活的各方面,房屋建筑也增多了。这大量的建筑工程,需要有大量的建筑材料。沒有建筑材料,建筑工程就無从进行。我国發展国民經济的第一个五年計划,已經完成并且超额完成了。五年来,在建筑材料工業战线上的职工們,在伟大的中国共产党的領导下,作出了巨大的成績。他們不但光荣地完成了自己的生产任务,还成功地研究、試驗、制造了几十种建筑材料新品种。这許多建筑材料新品种,对于提高我們的建筑工程質量,改善材 Our great motherland is victoriously growing. With the development of industry, agriculture, and transportation, many construction projects have been established on the vast land of China and are still being established. In every aspect of people’s daily life, housing construction has also increased. This large number of construction projects requires a lot of construction materials. Without construction materials, construction projects cannot proceed. The first five-year plan for the development of our national economy has been completed and exceeded. In the past five years, the employees on the building materials industry have made tremendous achievements under the leadership of the great Chinese Communist Party. Not only have they completed their own production tasks gloriously, they have also successfully researched, tested and manufactured dozens of new varieties of building materials. This new variety of building materials improves the quality of our construction projects and improves