有关互联网发展和利弊的ppt

第一台电脑的诞生于1946年美国宾夕法尼亚州立大学。1990年中国引入第一台电 脑，并开始进行研究，2000年左右电信的出现让中国人民步入了互联网时代
Network is a magical world. Where there is a treasure, a trap; where there is hope, also have the magic cloud. It can make your spiritual sublimation, also can make your spirit.
Positive Effects
With the network in the work, people can communicate with others via E-mail, and they can even have a video meeting instead of getting together with workmates, so work becomes more efficient.
What are you doing on the Internet?
1.Shopping? 2.Watching movies?
3.Chatting with others? 4.Or Just for learning？
Positive Effects
People from all over the world can gather together through the internet
Positive Effects
Shopping online has become a modern part of our life . Save both mBiblioteka Baiduney and time , and offer more choices for our customers.
Positive Effects
Negative Effects
There are so many traps under the internet
Negative Effects
Negative Effects
Negative Effects
Some people like chatting online with net friends . In fact , you don’t know him (her).
So the key point is, we should treat Internet properly. We must take full advantage of Internet but also try to solve the problem which caused by it. Internet will help us more and more in our life if we can use it rationally.
We can enjoy the nature all over the world at the same time without steeping outsides .
Negative Effects
More and more students addicted to computer games seriously and ignored their study.
在充分的利用网络充实生活的同时，我们应该警惕网络中的一些色情，迷信 的东西，防止它们损害我们的身心健康。
How often do you surf the Internet?
➢ Everyday?
Once a week? Once every two weeks?
➢ Once a month?
Positive Effects
In the net, we can get all kinds of information and interesting knowledge all over the world at any time, it broadens our horizon and makes us more informative
The Advantages and Disadvantages of Internet
The birth of the computer
The first computer was born in 1946 in the United States of America Penn State University. In 1990, China introduced the first computer, and began research, around 2000 telecommunication appears to make Chinese people entered the Internet Era
网络是一个神奇的世界。那里有财富，也有陷阱；那里有希望， 也有幻云。它可以使你的精神升华，也可以使你的精神沉沦。
In the full use of network to enrich the life at the same time, we should be careful in the network some porn, superstition, preventing them from harm to our physical and mental health.