初中生

Ranked variables in the personal characteristics variables, only child of non-siblings in the responsible development of the junior high school students have a major impact; who whether class cadre variables have a greater impact on the development of rural middle school students' responsible or not.

在个人特征变量中，非独生子女在兄妹中排行变量对初中生的责任心发展有重要影响；是否当过班干部变量对初中生责任心发展有较大影响。

The solving mathematics problems is one of indispensable means in studying mathematics, the mathematician all needs to come to improve self mathematics accomplishment by solving problems even disregarding being pupil, junior school student, high school student, college student, graduate student, mathematics teacher.

数学解题是学习数学不可或缺的手段之一，不管是小学生、初中生、高中生、大学生、研究生，还是数学教师甚至数学家都需要通过解题来掌握数学知识、巩固数学技能、提高自己的数学素养。

Therefore, vocabulary teaching is of great significance in English teaching." The New Curriculum Standard in Junior Middle School English"( revised in2011) puts forward a higher requirement.

因而，词汇教学在英语教学中十分重要。《初中英语新课程标准》（2011年修订版）对初中生英语词汇学习也提出了高要求。