新概念英语四册的课堂笔记范文仅供参考，自行编辑使用新概念英语四册的课堂笔记Two main techniques have been used for training elephants, which we may call respectively the tough and the gentle.The former method simply consists of setting an elephant to work and beating him until he does what is expected of him.Apart from any moral considerations this is a stupid method of training, for it produces a resentful animal who at a later stage may well turn man-killer.The gentle method requires more patience in the early
