On textbook,the lead of each unit,which is an important part of Reading-support System,plays a unique role in its compilation and usage.Therefore,the study of unit lead provides a point of reference for it.In this paper,aiming at discussing the connotation,extension,characteristics,specific content and usage strategy of the unit leads on the textbook for primary and secondary education,the textbooks of Grade 7 and Grade 8 would be taken as examples,to study it on the aspect of compilation and system,humanistic theme as well as the language elements based on the Textbook Theory and Taxonomy of Educational Objectives.For these,it is considered that with the characteristics of its gradualness and strong operability,the compilation of the unit leads fit well with the ideas of the curriculum reform.But the shortcomings also cannot be ignorance.Therefore,the unit leads should be analyzed and used reasonably according to teaching practice.The paper has been collected with three parts.The first part,as an introduction,will briefly describes the background,purpose,content and method of this study.The second part is the main body of the paper,which is divided into four chapters.The first chapter expounds the concepts of the unit leads,and clarifies the theoretical basis of this paper as well as the enlightenment to the compilation from it.The second chapter clarifies the compilation and system of the unit leads in Chinese textbook for primary and secondary education.The third chapter discusses the humanistic theme of the unit leads in Chinese textbook for primary and secondary education and proposes suggestions for the usage of humanistic themes in unit introductions.In the fourth chapter,the language elements of the unit leads in Chinese textbook for primary and secondary education will be analyzed,and the specific content and usage strategy of it will be pointed out.The last part shall be a conclusion which will share the learning and experience during this study and try to indicate the shortage of this research so as to put forwards the direction for further research. |