文档介绍：The main sides
1: The positive and negative of technology
2: The way technology disturb us
3:The cost of technology development
4: Life or technology how to choose?
5: picture show
第一页，共13页。
1 it has given us the ability to understand the way things work
2 it has helped us save lives and develop cures for diseases
3 thanks to technology that we can build hospitals and the equipment used them
1 with the life expectancy scored it means our living room will become smaller and smaller
2 more people watching TVs, using computers, leaving lights on this shall contribute to global warming
The positive and negative of technology
第二页，共13页。
Benefit our life
The wall of vegetables （蔬菜墙）
Greenhouses (温室大棚）
第三页，共13页。
Use the power of science and technology cultivation of vegetables and fruit
第四页，共13页。
Travel
Science and technology brings us a convenient traffic,tourism way to travel is becoming more and more ,make our life better.
第五页，共13页。
We are well aware of the role of modern transportation in our lives. Not too long ago, people endured great hardship in order to make a long journey. Moving heavy goods from one town to another involved hard labor. Today, we enjoy the convenience of various kinds of vehicles including ships, planes, and allow us to go wherever we choose and make our workload much lighter.
第六页，共13页。
look at these close-up to guess what they show.
第七页，共13页。
computer mouse
computer keyboard
headphones
mobile phone
battery
CD
第八页，共13页。
The development of communication technology has affected the approach of contacting
Mobile phone brings convenience to us,we are capatable of contacting each other when having dangerous is no exaggeration to say that we cannot live without mobile phone
第九页，共13页。
Science and technology achievemengts
Tiny chips
The rochet
The bird's nest
第十页，共13页。