The Effective Study On Class Lead-in Based On Senior Biological Compulsory Two Published By People’s Education Press

The introduction of the class is like the music in the music,the prelude of the drama,which plays the role of brewing emotion,attracting attention,infiltrating the theme and bringing the situation into the scene.Introduction of elaborate design,can seize the hearts of students,put questions to stimulate interest,can promote students’ emotion,inspiring intelligence into the state,helping students to get good grades.However,there is still a contradiction between the effect of high school biology teaching and the time of investment in our country.The main position for high school students to acquire biological knowledge is biological classroom.Lead-in link is the beginning of biology classroom teaching,and is an important part of the complete classroom teaching.Some biology teachers think it’s time to import and delay.Use the review type for a long time,or use "good,students,we learn this lesson together..." to go straight to this section of knowledge.It ignores the important role of effective introduction in attracting students’ attention and fully mobilizing the initiative of students’ active learning,which directly affects the quality of teaching.This article mainly adopts the literature method,questionnaire investigation,interview method,gaotang county first school,gaotang county second middle school students as the research object,research of the current situation of high school biology classroom import problems and analyze the reasons are as follows: the import value is insufficient,lack of import;Lack of theoretical support,flow in form;The import quality needs to be improved,the effect is not good;Lack of lesson preparation and time control;Lack of pertinence and low participation in class.In this paper,the main research conclusions are: carefully designed classroom import is the important condition to realize effective teaching high school biology class,one of the high school biology classroom import is helpful to stimulate students’ learning motivation to improve the students’ interest in learning biology.Summarizes the import the commonlyused method,suitable for high school biology class are compulsory secondly example for good classroom import effectiveness are analyzed,and put forward about scientific design of high school biology classroom import three countermeasures: should follow the principles and implementation Suggestions and proposed evaluation questionnaire.