1、2018/10/8,1,Group 3,Chongqing medical university,The Internet,B 23,2018/10/8,2,Internet makes our life more convenient.,Now we are in the Internet era.,2018/10/8,3,It revolutionized our lives in many ways . Internet plays a very important role in modern life.,2018/10/8,4,Word processor,Virtual reali
2、ty (虚拟世界),Laptop(手提电脑),Desktop computer(台式电脑),E-mail address(电子邮件地址),Software(软件),Useful words,Word processor(文字处理器),Hard drive(硬盘驱动器),Floppy disk(软盘),CD-ROM(只读光盘),Cyberspace(网络空间),Information highway(高速信息),Terminal(终端),2018/10/8,5,The Intemet was first established in 1960s. At that time, the comput
3、er was both large and expensive and the networks were unable to work well. If one of the computers broke down, the whole networks would be unable to work. At first, the Intemet was just used by the government. By 1970s, it had been used in universities, banks and hospitals. At the beginning of 1990s
4、, computers became both cheaper and easier to operate. Now it is very convenient to log on the Internet. It is said that each day tens of millions of people log on the Internet.Sending e-mails is becoming more and more popular. The Internet has become the most important part of peoples life.,2018/10
5、/8,6,Do you often surf the Internet?What do you usually do when you surf the Internet?,2018/10/8,7,Often or very little,The Internet,2018/10/8,8,search for information 搜信息,2018/10/8,9,play games,2018/10/8,10,Positive effects,Internet is a window on the world for children.,2018/10/8,11,Internet makes
6、 our study and work more convenient. Now there are a lot of searching engines on the Internet , such as Google and Baidu .,It also brings many chances to us, for example job application .,2018/10/8,12,Internet is just like a bridge of communicating between people.,2018/10/8,13,Shopping online has be
7、come a modern part of our life .Save both money and time, and offers more choices for customers.,2018/10/8,14,You can enjoy the beauty of nature all over the world at the same time without stepping outside.,2018/10/8,15,People all over the world can gathered together through the internet.,2018/10/8,
8、16,Internet is more and more widely used in our daily life.Many people like to work on the computers.Many compains and more and more school have got computers.You can find many information on the internet if you can not go out.You can search the internet whenever you like.After you double left click
9、 the internet and explorer.You can find any information that you want.The internet is fast and seldom make mistakes.People can play games,listen to music,and enjoy watching movies on it.With the develoment technology the computer and internet will be more and more popular,and it will be benefit peop
10、le in ways.,2018/10/8,17,Negative effects,Too many students ignore study since they are addicted to computer games seriously.,2018/10/8,18,There are so many traps(陷阱 ) that beyond our guard!,A great deal of junk information spread through the Internet, which disturb our life terribly.,2018/10/8,19,P
11、eople who spent more time on the Internet spent less time socializing with friends.,People spend so much time surfing the internet at the cost of their health .,2018/10/8,20,On the other hand. Internet makes people passive by stopping them making their own entertainment. So much so that when there i
12、s a breakdown or jam, people may find that World Wide Web turns into World Wide Wait. What is worse, some children have access to the scenes of violence and sex. Apart from these, it can be affected by viruses(病毒) and hackers (黑客).,2018/10/8,21,summary,Generally speaking, Internet is a Double - edge
13、d sword. If we know what we need clearly and how to take advantages of internet responsibly.I am sure it will affect our modern life in a positive way and make our life more wonderful and splendid.,2018/10/8,22,It gives us easy access to a lot of information we need;,1,It makes communications faster
14、 and more effective without the hindrance of physical distance;,2,It makes our life more colorful with various kinds of games;,3,It can help us forget our miseries at least temporarily.,4,Advantages,2018/10/8,23,It can make us feel addicted to it and take a lot our time with which we can do somethin
15、g more important.,The virtual world it offers can make us forget who we really are and develop an unrealistic attitude towards life.,We can be deceived by someone in the cyberspace with ill intentions.,Communications on the Internet is far from being safe because of the viruses and occasional breakd
16、own of the computer system.,Disadvantages,2018/10/8,24,How are we going to make good use of the network ?,2018/10/8,25,We should regard the network as a life supplement. In network communication, we pay attention to browse, search and learn the knowledge, should not be in the independent knowledge r
17、etention, it should not waste time on boring information, do “ information diet “. We should make good use of cyber source and technology, solve the learning problem in life. We should also help to address some of the difficulties, do something for others and the society, useful things. In the servi
18、ce of others, reflecting the value of your life.,2018/10/8,26,(a) Relaying in space. (b) Relaying on the ground.,The Internet,2018/10/8,27,Our world is changing.The network changed everything around us.,2018/10/8,28,The Internet to connect our world into a global village .,The distance between people is no longer distant,The distance between people is no longer distant.,The Internet to connect our world into a global village.,2018/10/8,29,The network world is very wonderful ,lets surf it together freely.,2018/10/8,30,Thank you for your listening!,