雅思写作提纲：科技产品利弊

　　1. On the positive side

　　 make life faster, easier and safer

　　 the world is becoming smaller and closer, trains cars plains make possible to travel to distant places

　　 modern communication tools,使人们更好的交流，与任何地方的人交流，特别使促进了business的发展

　　 longer life expectancy由于progress of medical science

　　 电影电视made life enjoyable and colorful

　　 计算机和Internet get information easier, make friends, business, tele-education

　　2. On the negative side

　　 机器的使用造成unemployment

　　 电话和互联网的使用alienate people from their friends 因为lack adequate face-to-face communication.

　　 Children 缺乏essential interpersonal skills.Those who indulge in often feel isolated and being cut off from the outside world, they tend to be more introverted, self-centered and with drawn.