2. Natural History。Definition of Natural History。Famous Natural History Museums。
大学英语教程Tag内容描述：
1、Unit1TextAThere was once a town in the heart of America where all life seemed to live in harmony with its surroundings. The town lay in the midst of a checkerboard of prosperous farms, with fields。
2、BR-main,Before Reading,2. Natural History,3. Samuel Scudder,4. Louis Agassiz,1. Picture-talking and Discussion,5. Background Information,Definition of Natural History,Famous Natural History Museums,Ha。
3、A Woman Can Learn Anything a Man Can Warmup Activities Who brought you to the world after ten months pregnancyIts your m。