农药的发展与人类的健康

农药与人类的健康密切相关,它是造成人类疾病增多的原因之一,也是人们谈论的热点话题之一,人们往往把“农药”视为“毒药”。本文通过介绍常用农药给环境和人类健康造成的危害,提出在“白色农业”的发展下,应大力开发和使用微生物农药,逐步消除农药产生的公害问题,以纠正人们对农药的片面认识。     

The brutal politics of health care

The 1998 federal budget received less than glowing reviews for its provisions regarding health care, but Charlotte Gray says this lack of health care initiatives should surprise no one. After all, there won''t be a federal election for another 3 years.     

Place,diversity and solidarity

During the twentieth century a substantial body of objective knowledge about ethnic and racial relations was built up. A variety of academic disciples continue to contribute to its growth. University teaching synthesises new findings and existing understandings in the attempt to formulate general principles. Research workers and students are attracted by the urgency of the political problems associated with this field of study, yet, paradoxically, the further growth of knowledge is constrained by the way political interests narrow intellectual horizons. Teaching about the sociology of ethnic and racial relations pays too little attention to the ways in which the body of knowledge has been assembled, to its practical applications, and to the importance of comparative study for further advance.