满意答案
1）Modern transportation, such as airplanes and high-speed trains make our journey smooth and fast. With the help of modern transportation, people can go everywhere they prefer to. The journey to outer space and other planets is not a dream any more. Rockets and space shuttles can help us realize the dream of space travel.
2）However, the process of scientific development also arouses many sever problems to our human beings. Internet, though widely used in modern communication, is easy to be destroyed by computer virus. Outer space exploration has produced much waste in the space. A tiny metal, a screw, for example can destroy a flying man-made satellite. Industrialization is making natural resources become scarce
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回答： 随着科技的发展，计算变得越来越受欢迎，如同英语一样，在人们的生活中扮演着重要的角色。它不仅提高了人们的工作效率，使得信息处理更为方便快捷。而且，由于英特网的广泛使用，世界变小了，不同地方的人都可以用它进行交流。当然，如果不能正确使用计算机，也会产生不良后果。比如，沉迷与网络游戏，过度上网聊天等，都会浪费太多时间。所以，我们要正确使用计算机。
(责任编辑：威展小王)
