楷维留学指南整理分享2015年1月17日雅思阅读真题解析(小站版)，供大家参考使用。更多雅思阅读真题解析请关注楷维留学指南雅思考试频道。
Passage 1
题材：科技类
题目：The history of pencil
题型：填空6+判断7
文章大意：石墨的发现与应用
P1: how graphite was found
P2: the early use of graphite
P3: graphite used in military and controlled by the government
P4: earliest pencil
P5: how HB system was applied
P6: pencils used in the early space research
