精选优质文档-倾情为你奉上2016年军考大专生英语模拟考试时长：120分钟；考试分数：100分一 快速阅读（共10分，每小题1分）If it werent for nicotine, people wouldnt smoke tobacco. Why? Because of the more than 4000 chemicals in tobacco smoke, nicotine is the primary one that acts on the brain, altering peoples moods, appetites and alertness in ways they find pleasant and beneficial. Unfortunately, as it is widely known, nicotine has a dark side: it is highly addictive. Once smokers become hooked on it, they must get their fix of it regu
