2012年12月英语六级作文真题(II):人与电脑

文章用词灵活多样，学术词汇使用也比较准确；作者有一定功底，可在平时练习中增加长难句的记忆；过渡词和衔接词使用的比较不错；请注意分段。

Human beings invented many tools to help them work more efficient. Computers may be the most famous 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 physical labours. Historians called this period the first industrial revolution. In 1960s, a talented scientist von Neumann and his partners designed the instruction set of first electronic auto-computing machine, ENIAC. Historians called the second industrial revolution was inaugurated. Since then, not only we were liberated from both physical and brain labour and we also add intelligence programs to them which make it possible for them to learn as our human beings do. Namely, we create a human-like assistant to do many jobs, which have had to be done by ourselves, such as managing a factory, selling goods in markets and calculating our bills every month and so on. Computers together with big machines create much more value in latest 30 years than the amount of value that human beings have made before 1900. Thus, there is a very brief conclusion we create computers and computers change our life.