2014年专四真题dictation

Limiting the Growth of Technology.
Throughout history, man has changed his physical environment to improve his way of life. With the tools of technology, man has altered many physical features of the earth. However, these changes in the physical environment have not always had beneficial results. Today ,pollution of the air and water is a danger to the health of the planet. Smoke from factories pollutes the air of industrialized areas and the surrounding countryside. The pollution of water is equally harmful. It is now necessary for man to limit the growth of technology in order to survive on earth.