2012年12月英语六级作文真题(II):人与电脑

从句使用不够丰富，且部分句子有错误；文章层次不够分明，缺少组织，需注意文章整体的组织结构；请作者增加词汇表达的丰富度，且检查文中的拼写错误。

as we can see in this graph ,both the supply and demand had show its increase over 1985-2006 on the supply part we can see , it's fluctuating rising .it stared with 1985，it's decrease from 1985-1988，and than increase and hit its first peak in 1990.it's decrease and recover from 1991=1993and hit its second peak on 1993.between the year of 1993-1994，its show a shaply decrease and reach its lowest in 1994.after 1994，its recover again ,and hit its third peak in 1996,and than decrease a little and shaply increase from 1998-1999.at the end of 2000hit its fouth peak .after that ,its slowly decrease and recover from 2004-2006, and hit the highest peak in 2006. compare with the supply part ,the demand part become more wild .stared from 1985，its always show a stablly increase ,and reach its peak in 2006.during these years,,demand was increase from 5，000-30，000. that is to say ,2006is 6 times as in 1985. according to the relationship between demand and supply ,it's not difficult to found that supply falls short of demand in palm oil .