请英语达人帮忙做一个英语Report（高分）

What is the significance of the Olympic logo?
18.奥林匹克标志代表什么？
What is the significance of this speech?
这个讲话有什么意义？
What is the significance of this symbol?
这个符号是什麽意思?
What's the significance of this age group?
四十岁左右是一个什么含义？
Speaking of the Long March, one may ask, "What is its significance?"
讲到长征，请问有什么意义呢？
The essay is well-knit.
文章结构严谨。
The essay is a literary form.
散文是一种文字体裁
Essay on the Theory of the Earth
《地球理论随笔》
The essay treats of courtly love.
这篇文章对深挚的爱情作了论述
An Essay on the Principle of Population
《人口原理》

你这个题目有问题，什么essay?应该有说明的。