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1·Our Destiny in Space is an expository writing about popular science.

“我们在太空中的使命”为一篇有关科普知识的说明文。

2·Much of the previous research has mainly dealt with expository writing.

以前的对比修辞研究主要集中在说明文体裁上。

3·The explanatory article in encyclopaedia is a kind of expository writing.

百科全书条目释文是一种权威性辞书的说明文字 ，其语言朴实、简洁、严谨。

4·Courses include statistics, research methods, expository writing, and related topics.

课程还包括统计学，研究方法，说明文写作和其他相关主题。

5·Unfortunately, over the years, the research in this field has been focused on expository writing;

遗憾地是，这一领域的研究只限于说明文，对申请信函的研究却非常有限。

6·Coursework includes expository writing, public speaking, museum administration, archives and manuscript preservation, archival records technology, and related subjects.

课程包括说明文写作，公众演说，博物馆管理，档案保存，档案记录技术及相关课程。

7·We will read and analyze samples of expository writing, do some work on vocabulary development, and concentrate on developing your ability to write clear, accurate, sophisticated prose.

我们会阅读与分析一些说明文的例子、做一些增进字库的练习、然后专注在增进你的能力来写出清楚、正确、与复杂的句子。

8·The four types of writing — narrative, descriptive, expository and persuasive — will be introduced and practiced by students on topics of their choice.

四种类型的写作，叙事，描写，说明性和说服力，将介绍和对自己选择的主题学生练习。

9·Next, this book applies this model to writing outlines for expository articles and narrative articles.

接下来， 本书将套用这些句型段落结构来写作说明性文章和记叙性文章的大纲。