标签：话题作文 话题 英语四级作文
字数：1000字
提要：Computers1. 计算机给我们的世界带来了许多变化。2. 计算机的功能。3. 计算机将永远不能代替人。Computers have brought about many changes in our world. With the devek,pment of science and technology, the use of eleclronic computers is growing year by year in various fields of man＇ s activities. They have been of great help in scietific rescarch and engi neering They can do at a very high speed the calc..