求翻译：第三部分为提高中学生地理素养的对策思考。以前两部分理论研究与实践分析为基础,从高中地理课堂教学实践的角度,提出提高高中生地理素养的基本对策。第四部分：结论与展望。课堂教学中的地理素养教育任重而道远，因为它是教学过程的整体优化，需要一线教师不断探索和实践。是什么意思？

Countermeasures of part III to improve the geographic literacy of middle school students. Based on the previous two-part analysis of theoretical research and practice, from the perspective of high school geography class teaching practice, propose countermeasures to improve the geographic literacy of high school students Basic. Part IV: conclusions and Outlook. Geography quality education in classroom teaching long road to go, because it is the overall optimization of teaching process requires teachers to explore and practice.