With the social development，countries are increasingly concerned about the science. Human has been being benefit from various science technology fruition and being enjoying them. Thanks to science and technology, we now live comfortably and conveniently in houses furnished with air conditioners, washing machines and televisions etc. Thanks to science and technology, we can eat fresh vegetables at the year round. Thanks to science and technology, we can travel tong distances in the fraction of a second on planes, trains and cars. Thanks to science and technology, we can even closer communication exchange. If the 20th century’s greatest scientific and technological achievements of the Internet，then the 19th century’s greatest scientific and technological achievements on the course ought to telephone.
随着社会的发展，各国日益关注的科学问题。人类已经被从各种科学技术成果和正在享受这些好处。科学和技术的努力，我们现在生活得舒适，方便与空调装修房子，洗衣机和电视机等由于科学和技术，我们可以吃新鲜蔬菜全年交通运输技术。科学和技术的支持下，我们可以旅行堂在一秒钟的距离上飞机，火车和汽车。科学和技术的支持下，我们甚至可以更紧密的沟通交流。如果说20世纪最伟大的科学和科技成果的互联网，那么19世纪最伟大的科学和技术在球场上的成就应该电话。
Especially, after the mobile telephone appears, communication becomes easier , If people go out for business far away from their homes, the telephone can shorten the distance between them and their families. Thus they will get comfort whenever they are homesick or they get into trouble. With the help of the telephone, people can keep in touch with anyone at any time for urgent help. All in all, the telephone is so helpful that we can say that nowadays we can not live without the telephone in our daily life. Science can also further improve the phone’s performance，so for people to create better conditions for the exchange.
毫无疑问，电话使事情在很多方面容易。特别是在移动电话出现后，沟通变得更容易，如果去经商的人远离家园，电话可以缩短他们与家人的距离。因此，他们会得到安慰他们想家时，或他们遇到麻烦。随着电话的帮助下，人们能继续保持联系与在任何时间，任何人紧急帮助。总之，电话是如此有用，我们可以说，现在我们不能生活在没有我们的日常生活中的电话。科学还可以进一步提高手机的性能，因此人们创造更好的条件交换。
However, science is a two-edged sword. While research is exerting it positive function, its negative influence might be harmful to human or encumber our development. First, because of the many breakthroughs in
the field of medicine, people are now living much longer than they used to. As a result, the population of the world is increasing, causing tots of problems. Second, because of the development of industry, tots of the wastes from factories pour into the air and rivers, causing pollution of att kinds. Third, some terrorists are using science and technology against mankind. They use biological, chemical and unclear weapons to threaten world peace.
然而，科学是一把双刃剑。而研究是发挥它的积极作用，其负面影响可能对人体有害或抵押我们的发展。第一，因为在医学领域的许多突破，人民现在的生活比以前更长的时间来。因此，世界人口不断增加，造成的问题小孩子。其次，由于工业的发展，小孩们从工厂的废弃物倒入空气和河流，造成污染的交通运输技术种。第三，一些恐怖分子使用的是对人类科学和技术。他们利用生物，化学武器和不明确的威胁世界和平。
Nowadays,there is a heated debate over whether cloning technique should be used in human reproduction must be considered as a serious issue. Clone,to a certain degree,is beneficial to mankind. However,the abuse of this science technology will bring human being unthinkable destruction. Recently,scientists in some countries have already started their great plan to clone human. I'm afraid that terrorists may get hold of it and reproduce lots of nuclear weapons. Besides these terrible aspects,the cloning of whole-being may destroy the diversity of people of the glob. Cloning also can give a commerical opportunity for businessmen. People will use it to earn illegal money. Moreover,clone will arouse many moral questions,which will violate human rights. So we should be cautious to use science.
如今，在是否有一个克隆技术复制人应使用必须被视为一个严重的问题，认为激烈的辩论。克隆，在一定程度上有利于人类。然而，这种科学技术的滥用将使人类无法想象的破坏。最近，在一些国家的科学家已经开始了他们的伟大计划克隆人类。我很担心，恐怖分子可能掌握它，并复制了大量核武器。除了这些可怕的部分，全被克隆可能会破坏人的多样性的水珠。克隆也可给商人的商业机会。人们会使用它来非法赚取金钱。此外，克隆会引起许多道德问题，这将侵犯人权。因此，我们应该谨慎使用科学。