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1、What are some major advantages and disadvantages of these modern inventionspersonal computer and the Internet?Our society is an informational one which is different from past. As human history developing, personal computer and the Internet come into being. They change our lives to a certain extent a
2、nd they have some advantages and disadvantages for us.It has made our lives easier since personal computer and the Internet existed. Thanks to personal computer, we no longer have to compute complicated data using varieties of formulas because a computer could do all of these for us. I major in basi
3、c medicine and I need to handle data in processes of our experiments. Personal computer vastly saves my times and energies since I use professional software to work out complex data. Also, Internet helps us saving times. For example, if we dont have leisure to go shopping out of our homes, we search
4、 the Internet. It presents us with desirable things and then we could buy them online. The couriers carry the goods we buy to where we live in, thus we can get what we buy without going out. Personal computer and the Internet shorten distance of people as well. For instance, one goes abroad contact
5、his parents with long-distant video and it relieve the homesick he has. While they have many advantages, personal computer and the Internet also have some disadvantages. At first place, some people become reluctant to communicate with others due to addiction in computer games or Internet and they ma
6、y be unsocial with their friends and their parents. Secondly, excessive enthrallment(沉迷) in computer and Internet could lead to unhealthy mental state. Fact shows that one may exist depression after long-term isolate with other people, thus cause some negative effects like suicide. Thirdly, if someo
7、ne fixes his eyes on monitor too long, his eyesight will be impaired. This also hurt his health physiologically.Since personal computer and the Internet have advantages and disadvantages at the same time, the using of them has tow-side effects. We should take advantage the good side of them and avoid the bad side of them to the greatest extent.
