参考答案:

Since entering the 21st century the world has continued to undergo profound changes.World multipolarization and economic globalization are developing in greater depth amid twists and turns.Science and technology are making rapid progress as human society advances at accelerated pace.New situations and new contraditions keep cropping up without letup.Maintaining world peace and promoting common development remain the mission of all countries in the world.Thanks to its exploration and practice,the international community has arrived at a deeper understanding that it must secure peace and promote development through cooperation in the interest of progressing times and human advancement and seek mutual benefits and win-win results by earnestly expanding the convergence of interests of all countries.China's peaceful development is a path of developing itself while maintaining world peace and promoting world peace with its own development.With the guideline of the concept of scientific development,China will achieve a comprehensive,coordinated and sustainbale development and build a harmonious socialist society.