1．否定前缀 un- uncomfortable, unacceptable, unavoidable in- incomplete, incapable, indispensable, inevitable im- imperfect, impartial, immortal dis- disable, disadvantage mis- misplace, mislead, misfortune ab- abnormal

大学英语辅导_新东方四级词汇笔记非常完整版

Test2 Part I Writing （30 minutes） Directions: For this part, you are allowed 30 minutes to write a composition on the title Global Warming. You should write at least 120 words following the outline given below in Chinese:

Test1 Part II Reading Comprehension (Skimming and Scanning) (15 minutes) Directions: In this part, you will have 15 minutes to go over the passage quickly and answer the questions on Answer Sheet 1

教学目标或要求：了解氨基酸的结构，分类，命名。了解多肽结构测定和端基分析。 重点掌握氨基酸的性质和蛋白质的四级结构

大学英语辅导_大学英语四级语法精要

1. The shutdown of the machine was due to its B)defective C)deficient D) spoiled

大学英语四级阅读考试专项练习

西安建筑科技大学：《大学英语》课程教学资源（试题解答）2008四级试题（参考答案）

西安建筑科技大学：《大学体育》课程教学资源（健美操教案）（第一学期）6 大众健美操四级动作的教学