One day, a student asked his teacher, "what is greed?" The teacher didn't answer his question____ , but asked the student to walk through the chocolate factory next to their school and pick out the biggest chocolate bar（条、块） he could find．But there was a ____: as he passed through the factory, he could not turn back.

    The student went to the chocolate factory. As he walked, he saw a large chocolate bar. He liked it, but thought he might be able to find an even bigger one if he kept going. He kept walking and saw ____ chocolate bar. This one was a little bigger. But ____, he thought he could find an even bigger one if he kept going. As he neared the end of the factory, he saw fewer chocolate bars, and ____ of them were as large as the earlier ones. He started to regret his decision to keep going. Finally, he ____. He went back to his teacher empty-handed and explained what had happened.

    The teacher told him, "You liked the ____chocolate bar, but you kept looking for a bigger one. And later, you realized that you had given up the best chocolate bar because you thought you could do better. That is called greed."

在党的十四大会议上确立邓小平理论为党的指导思想。

错误：____   改正：____ 

“种瓜得瓜，种豆得豆”，说明了生物界普遍存在____的现象。

读《社戏》，揣摩下列语句，回答括号中的问题。

①我的很重的心忽而轻松了，身体也似乎舒展到说不出的大。

（“轻松”和“舒展”表现了“我”什么样的心情？）

②淡黑的起伏的连山，仿佛是踊跃的铁的兽脊似的，都远远地向船尾跑去了，但我却还以为船慢。（山为什么说“踊跃”？）