Midterm Examination: Writing an Expository or Argumentative Essay This midterm exam asks you to write an expository or argumentative essay in a standard essay length of about 700 wordson an issue or a topic of your own choice. You have THREE weeks for brainstorming, planning, drafting, revising, and submitting the essay. Peer Review Grading Rubrics for the Expository or Argumentative Essay Essay Structure (短文结构, 20 points); Thesis Statement (中心思想, 20 points); Paragraph Development/Coherence (段落扩展与连贯, 20 points); Explanation, Support, or Reasoning (说明或论据与论证, 20 points); Grammatical Accuracy & Variety (语法准确性与多样性, 10 points); Range of Vocabulary (词汇丰富程度, 10 points). Note:　Nｏ more than 15 % of one paper is allowed to be written by or quoted from others，and scholastic dishonesty is definitely unacceptable. Plagiarism (剽窃）deserves a grade of "0."