趣味教学例选 夏日的中午，一位瓜农躺在一棵巨大的山植树的浓荫下乘凉。他看着面前绿油油的西瓜地埋怨起来：“老天真是不公平，这么粗的山植树，只结了很小很小的果子。而一根细细的西瓜蔓，竟结了三四个篓筐大小的瓜。”这位瓜农正在怨天尤人自言自语着，一阵风吹来，一颗被 An example of interesting teaching At noon in the summer, a melon lays in the shade of a huge hill of trees to cool off. He stared at the greenish watermelon in front of him and said: “The old innocence is unfair. Such a thick hill planted trees, and it ended up with very small and small fruits. A thin watermelon vine spread out three or four times. Basket size melon.” This melon farmer is complaining to himself, a wind blowing, a be being