第1个回答 2012-11-04
1、harvest time,get in the crops;
2、the days become shorter and shorter while the nights become longer and longer;
3、some leaves become yellow and red, some leaves begin to fall from trees
4、some birds begin to fly to wamer places,which is called migrate(迁徙),some animals begin to make preparations for hibernation(冬眠)本回答被网友采纳