摘要
The author will show one an effective learning approach --- preview, which will benefit both students and teachers. ＂Compensation and teaching efficiency＂, ＂preview as a means to encourage students＂ and ＂development of self-study ability＂ are the three advantages of preview. There are four techniques of preview, which are ＂direct preview＂, ＂focal preview＂, ＂preview combined with exercises＂ and ＂preview intended to foster comprehension and aid consolidation＂. One will find out how to preview and what kind of benefits one will get from this paper.
