内容简介 本书是关于我们如何从科学的视角重新认识这个世界的科普读物，阐述了宇宙、世界、生命科学视角下，对世界本源的认识，并结合生物学、数学、物理学和计算机科学知识，更加细致入微地解释我们观察到的世界中的各类现象。 在这本书中，作者希望表明我们的宇宙不仅仅是一座没有生命、毫无意义的数学机器。在我们真正了解意识和人类思想的奇迹之前，我们能真正了解宇宙吗？为了做到这一点，作者超越了物理世界去寻找答案。对于对生命、宇宙和一切事物的深层问题感到好奇的读者来说，《世界本身》是一本必不可少的读物。
《中国人的修养》是蔡元培先生在公民道德修养教育方面的杰出作品，收录了他最为重要的道德思想教育代表作《华工学校讲义》和《中学修身教科书》，以及其他若干篇相关散论。《中国人的修养》原为普通学生所用的教科书，它完美结合了中华传统文化中的修身理念与现代公民德育理念，通过细小事件，理论结合实践，详细具体地阐述了培养公民道德修养的方法，是一部值得全体国人阅读的道德范本。
只要用心，每个人都能成为好的班主任在学生心中好的班主任，同时也是好的自己。教育，成全了学生，也成全了一个又一个好的班主任。
Gr 8 Up-In this gritty novel of World War II, 16-year-old Erik Brandt is forced to fight for the emaciated German army, and because of his knowledge of the Russian language, he is sent to the Russian front. The train trip that Erik and the other young men take is symbolic of their transition from child to man. These boys are sent to the front with only a few weeks of basic training and the directions to kill or be killed. After the first battle, Erik makes the life-altering decision to take the uniform of a dead Russian soldier and pretends to be Russian for most of his remaining time as a soldier, surviving serious wounds and finding the love of his life while he recuperates in a war hospital. There he pretends to have amnesia and takes the moniker "Soldier X." When the hospital is attacked, Erik and his girlfriend escape. After a harrowing journey filled with enemy encounters, they find a safe house in Czechoslovakia and eventually make their way to Berlin. The story is framed with a prologue and epilogue f
