原创山东高考阅读表达专练 马加芬 山东省鄄城县第三中学英语组 邮政编码：274600 手机：13563858451。 QQ：398896280 一、[1] Mankind has always had a natural predisposition(倾向) for exploring. To push beyond the boundaries of what's familiar, comfortable and safe, embrace the unknown. In fact, the entire history of mankind is hung on a timeline of exploration.
