The Most Important Change of the 20th Century
There were a great many changes in the twentieth century. They affected everything from the political composition of the world to how long we can expect to live. As a result， our lives are very different from those of our great-grandparents. It is difficult to say which of these great changes should be remembered most but， in my opinion， the invention of the computer is a good candidate， for it has affected our lives in so many ways. One effect of the computer has been its impact on communication. Thanks to the Internet and computer-controlled satellites， it is now quick and cost-effective to communicate over great distances. This has made the world smaller and has had a great influence on business， leading to greater productivity worldwide. Another great effect of the computer is that it has changed the way we live our daily lives. It has made it a simple task to find and manage information and has brought us countless conveniences. Most of us deal with computers in one way or another every day. Finally， the development of computer technology has made possible a host of other scientific advances. Computers are used to save lives in hospitals， find new sources of energy under the sea and explore outer space. There seems to be no end to what computers can help us do. In short， the computer has had such a great impact on so many areas of our lives that I feel its invention was the most memorable change of the twentieth century. No other product or event has affected so many people. Its influence is felt around the world and will only continue to grow in the future.
參考譯文：
20世紀最重要的改變
20世紀有很多重要的變革。從政治結構到人類平均壽命的長短，這些變革的影響層面很廣泛。因此，我們與上上代的生活有極大的差異。很難說有那些重大的變革是應該被牢記的，但就我而言，電腦的發(fā)明是個不錯的選擇，因為它在很多方面都影響了我們的生活。
電腦影響的其中一個層面就是對通訊的沖擊。由于互聯網與電腦控制衛(wèi)星的出現，現在遠距離的通訊已經非?？焖俣覄澦?。這使得世界變得更小，而且對商業(yè)有很大的影響，也讓全球的生產力增加了。電腦的另一個影響是，它改變了我們的日常生活方式。電腦讓信息尋找及管理成為簡單的事情，這帶給我們非常多的便利。我們大部分的人每天或多或少都會使用電腦。最后，電腦科技的發(fā)展造就了許多其他科學上的進步。電腦被用來救活醫(yī)院里的病人、尋找海底的新能源以及探索外太空。電腦的好處似乎是多到數不清。
總之，電腦對歐文們生活的許多層面都造成了很大的影響，因此我認為這項發(fā)明是20世紀最值得紀念的變革。沒有其他產品或事件曾影響這么多人。它的影響力在世界各地都可以感受得到，而且在未來還會持續(xù)不斷地增強。
There were a great many changes in the twentieth century. They affected everything from the political composition of the world to how long we can expect to live. As a result， our lives are very different from those of our great-grandparents. It is difficult to say which of these great changes should be remembered most but， in my opinion， the invention of the computer is a good candidate， for it has affected our lives in so many ways. One effect of the computer has been its impact on communication. Thanks to the Internet and computer-controlled satellites， it is now quick and cost-effective to communicate over great distances. This has made the world smaller and has had a great influence on business， leading to greater productivity worldwide. Another great effect of the computer is that it has changed the way we live our daily lives. It has made it a simple task to find and manage information and has brought us countless conveniences. Most of us deal with computers in one way or another every day. Finally， the development of computer technology has made possible a host of other scientific advances. Computers are used to save lives in hospitals， find new sources of energy under the sea and explore outer space. There seems to be no end to what computers can help us do. In short， the computer has had such a great impact on so many areas of our lives that I feel its invention was the most memorable change of the twentieth century. No other product or event has affected so many people. Its influence is felt around the world and will only continue to grow in the future.
參考譯文：
20世紀最重要的改變
20世紀有很多重要的變革。從政治結構到人類平均壽命的長短，這些變革的影響層面很廣泛。因此，我們與上上代的生活有極大的差異。很難說有那些重大的變革是應該被牢記的，但就我而言，電腦的發(fā)明是個不錯的選擇，因為它在很多方面都影響了我們的生活。
電腦影響的其中一個層面就是對通訊的沖擊。由于互聯網與電腦控制衛(wèi)星的出現，現在遠距離的通訊已經非?？焖俣覄澦?。這使得世界變得更小，而且對商業(yè)有很大的影響，也讓全球的生產力增加了。電腦的另一個影響是，它改變了我們的日常生活方式。電腦讓信息尋找及管理成為簡單的事情，這帶給我們非常多的便利。我們大部分的人每天或多或少都會使用電腦。最后，電腦科技的發(fā)展造就了許多其他科學上的進步。電腦被用來救活醫(yī)院里的病人、尋找海底的新能源以及探索外太空。電腦的好處似乎是多到數不清。
總之，電腦對歐文們生活的許多層面都造成了很大的影響，因此我認為這項發(fā)明是20世紀最值得紀念的變革。沒有其他產品或事件曾影響這么多人。它的影響力在世界各地都可以感受得到，而且在未來還會持續(xù)不斷地增強。