2012年12月英语六级作文真题(II):人与电脑

with the technology and economic of development ,we always use computer. first computers can offer us many ways to seek resources that we need ,for example,when we must complete graduate works ,finding papers for our works. second ,it is more convenient for our life ,for instant , not only adults go shipping frequently online ,but also old generation always do .however ,some defects that they have. many people face to computer screen ,it would transmit some harm radiations ,if it is severity ,some people will feel not good .furthermore ,diseases may expose to your body,amount of red blood cells will decline , function of many organs are not normally operate.