Theory of rough sets, proposed by Zdzislaw Pawlak in 1982, is a model of approximate reasoning. In applications, rough set methodology focuses on approximate representation of knowledge derivable from data. It leads t...Theory of rough sets, proposed by Zdzislaw Pawlak in 1982, is a model of approximate reasoning. In applications, rough set methodology focuses on approximate representation of knowledge derivable from data. It leads to significant results in many areas including, for example, finance, industry, multimedia, medicine, and most recently bioinformatics.展开更多
English teachers in China have seldom employed communicative teaching methodology. This paper reviews the research on communicative teaching in various areas, including the foundations of the approach, the principles,...English teachers in China have seldom employed communicative teaching methodology. This paper reviews the research on communicative teaching in various areas, including the foundations of the approach, the principles, the methodology and some techniques as well as the test in communicative teaching. This paper argues that the essence of communicative approach is that the students are prepared to meet the need of communication in the real world and this approach has a positive effect on students' achievements. Accordingly, it is hoped that communicative teaching approach will be more widely used in China.展开更多
文摘Theory of rough sets, proposed by Zdzislaw Pawlak in 1982, is a model of approximate reasoning. In applications, rough set methodology focuses on approximate representation of knowledge derivable from data. It leads to significant results in many areas including, for example, finance, industry, multimedia, medicine, and most recently bioinformatics.
文摘English teachers in China have seldom employed communicative teaching methodology. This paper reviews the research on communicative teaching in various areas, including the foundations of the approach, the principles, the methodology and some techniques as well as the test in communicative teaching. This paper argues that the essence of communicative approach is that the students are prepared to meet the need of communication in the real world and this approach has a positive effect on students' achievements. Accordingly, it is hoped that communicative teaching approach will be more widely used in China.