Unit 6 新视野大学英语第三册第六课

Preview
    The three selections in this unit deal with the wonderful and mysterious world of nature. The first article consists of three parts: the preparation for, the proper construction of buildings to withstand, and human emergency planning for earthquakes. The second article tells of the fragile balance of nature and how humans need to protect and save the resources. In spite of the short time span they have occupied the planet, humans are using up the natural resources and disturbing the balance of nature. We need solutions to all these problems. Then, the third article talks more about the solutions to our ecological problems in the present and in the future.