求翻译：综上所述，世界历史教学改革应合适21世纪人才培养目标和新旧历史理论，进行综合性研究，把世界各国都共同存在和共同关心的问题提取出，加以比较、得出一般性结论。总之，历史学家应担负起预测时代发展趋势和从过去人类经历中提取经验的任务，真正发挥鉴往知来的作用。是什么意思？

In summary, world history teaching reform should be appropriate training objectives and the 21st century, the old and new historical theory, to undertake a comprehensive study of all countries of the world co-exist and issues of common concern to extract, compare them, to draw general conclusions. I

In summary, the history of the world 21 teaching reform should fit character of personnel and new and old historical theory and to carry out comprehensive research, and to the countries of the world are co-existence and the issues of common concern to compare, extract, general conclusions to be draw

In summary, the world history educational reform should the appropriate 21st century personnel training goal and the new old historical theory, conducts the comprehensive research, all coexists the various countries with the question of common interest withdraws, compares, obtains the general conclu

To sum up, reform should fit 21st century training objectives for the teaching of world history and history of the old and new theories, conduct a comprehensive study, are common to all countries in the world and issues of common concern, and compare, draw general conclusions. All in all, historians

In sum, world history reform in education should suitably 21st century talent train objective and new old historical theory, carry on the comprehensive research, the problem that has all the countr