2012年12月英语六级作文真题(II):人与电脑

作者学术词汇使用比较准确，文中有较多拼写错误；有效地使用了语句间的衔接成分；适当增加一些从句的使用，会为文章添彩；请注意分段。

Human beings invented many tools to help them work more efficient. Computers may be the most significant inventions that have been created in nearly 5000 years history. In 1870s, engines which transfer chemical energy into mechanical energy has liberate us and our domestics from heavy phsical labours. Historians called this period as first industrial revolution. Then in 1960s, genious scientist von Neumann and his partners designed the first electronic auto-computing machine ENIAC whose first basic ideas come from Turin. Historians called the second industrial revolution was started. Not only computers can liberate us from tedious mental labour and we also add intelligence program to them which make those cold machines can learn as our human beings do in these days. That is to say, we create a human-like assistant to do many jobs which have had to be done by ourselves such as manage a factory, sells goods in the market and static our bills every month and so on. Computer together with big machines make much more productivities in latest 30 years than that of 1000 years human beings have made before 1900. We create computers and computers change our lifes.