这里的paper作为论文讲，是可数名词。paper的这种用法还可以用于证件、报纸...，paper,单词记忆法、语法用法，与paper, 相关例句、名人名言

paper单词相关例句：

Life is a leaf of paper white, thereon each of us may write his word or two. ( A. Lowell )    生活是一张白纸，每个人都在上面写上自己的一两句话。（洛威尔）

I recommend this toilet paper because its quality is better.
我推荐这种厕纸，因为它的质量更好。


I fold the pink paper to make a paper heart.
我折叠这张粉色的纸来做一颗心。


There is a white piece of paper on the table.
桌面上有一张白纸。


I like to read the daily paper every morning.
我喜欢在每天早上读日报。

He is drawing a line on the paper with a color pencil.

他正用一支色笔在纸上画线。

She rolled a sheet of paper into her typewriter and started to type.

她将一页白纸卷入打字机内并开始打字。

This paper explores autonomous learning teaching pattern of middle school English.

本文对中学英语自主学习教学模式进行探究。

His granddaughter confused the paper on his desk.

他孙女把他桌上的文件全弄乱了。

I need a paper clip to hold this document.

我须要一支迴纹针夹住这份文件。