How Cao Chong Had the Elephant Weighed
Cao Cao was very glad to have received an elephant as a present. He wanted to know how heavy the elephant was. But there was no scale (秤) big enough to weigh such a huge creature.
One day. Cao Chong said to his father, “I’ve found a way to weigh the elephant.Cao Chong asked a man lo lead the elephant onto a boat. When the boat slopped sinking， the man draw a line along on the boat side. After the elephant was led away, Cao Chong had some men put stones into the boat until the water reached the line.
Cao Chong asked the men to weigh each stone from the boat and put down the number.“Add up all the numbers and we will know the weight of the elephant.”Cao Chong said to his father ④with kind of pride. (83 words)

试题分析：动笔前首先要认真审题，根据提示可知本文是要求讲述“曹冲称象”的故事，所以对于我们大部分学生来说，组织材料较为容易。如果对于这个故事熟悉的话，按照原文翻译过来也可。但是写作中也要注意一下几点问题。1.首先要明确被问本文应该写成记述文的形式，因此就要按照开头，经过和结尾的三段式结构来写。2.由于这是介绍过去发生的故事，所以本文主要时态就是一本过去时态，人称以第三人称为主。
【亮点说明】这篇短文使用了大量的固定句式和短语，为文章增色不少。如:be glad to很高兴做某事；enough to足够做某事；add up加起来等。学习中注意总结,牢记一些固定句式及短语,写作时就可以适当引用, 让文章更出彩。