自从我们的祖先与猿人时代告别以来,大约已独立生活了200多万年的历程。在这200多万年的前100多万年中,人类基本上是处在刀耕火种、打渔砍柴和放牧的简单生活状态。往后的5000年,人类才组成了社会,使用了文字,才开始过起了有文化的生活。特别是近一、二百年以来,人类的生活发生了巨大的变化,许多人在生活中吃精米白面,穿人造纤维,住进了装修有空调设备的房间,出门乘飞机、坐火车、坐汽车,生活得更加舒服和方便。在整个生物界,我们人类可算是名符其实的“爆发户”了。然而,仔细地想一想,这种“爆发式”的舒适文明生活,虽然也给人类带来了方便和享受,但同时,也为我 Ever since the farewell of our ancestors and the ape-man era, we have lived independently for more than 2 million years. In this first million years of more than 2 million years, mankind is basically in the simple state of slash-and-burn farming, fishing, cutting wood and grazing. In the next 5000 years, human beings formed a society, the use of words, began to play a cultural life. Especially in the recent one or two centuries, human life has undergone tremendous changes. Many people eat polished white flour, wear man-made fibers in their lives, live in renovated rooms with air-conditioning equipment, go out by plane, take the train and sit Car, living more comfortable and convenient. Throughout the biological world, we human beings can be regarded as However, think carefully, this “explosive ” comfortable and civilized life, although also brought to human convenience and enjoyment, but also for me