文章列表

• 1.双语有声阅读：陶器
• Pottery Ancient people made clay pottery because they needed it for their survival. They used the pots they made for cooking, storing food, and carryi...
• 2.双语有声阅读：饲养牡蛎
• Raising Oysters In the past oysters were raised in much the same way as dirt farmers raised tomatoes - by transplanting them. First, farmers selected ...
• 3.双语有声阅读：学校与教育
• Schooling and Education It is commonly believed in the United States that school is where people go to get an education.Nevertheless, it has been said...
• 4.双语有声阅读：科学理论
• Scientific Theories In science, a theory is a reasonable explanation of observed events that are related. A theory often involves an imaginary model t...
• 5.双语有声阅读：摩天大楼与环境
• Skyscrapers and Environment In the late 1960's,many people in North America turned their attention to environmental problems,and new steel-and-glass s...
• 6.双语有声阅读：睡眠
• Sleep Sleep is part of a person's daily activity cycle. There are several different stages of sleep, and they too occur in cycles. If you are an avera...
• 7.双语有声阅读：统计学
• Statistics There were two widely divergent influences on the early development of statistical methods. Statistics had a mother who was dedicated to ke...
• 8.双语有声阅读：郊区的发展
• Suburbanization If by suburb is meant an urban margin that grows more rapidly than its already developed interior, the process of suburbanization bega...
• 9.双语有声阅读：电子交通
• Telecommuting Telecommuting -- substituting the computer for the trip to the job--has been hailed as a solution to all kinds of problems related to of...
• 10.双语有声阅读：电视
• Television Television -- the most pervasive and persuasive of modern technologies,marked by rapid change and growth --is moving into a new era,an era ...