Are supermarkets designed to persuade us to buy more?Fresh fruit and vegetables are displayed near supermarket entrances. This gives the impression that only healthy food is sold in the shop. Basic fo
American Black BearsAmerican black bears appear in a variety of colors despite their name. In the eastern part of their range, most of these bears have shiny black fur, but in the west they grow br
StatisticsThere were two widely divergent influences on the early development of statistical methods. Statistics had a mother who was dedicated to keeping orderly records of governmental units (sta
The Source of EnergyA summary of the physical and chemical nature of life must begin, not on the Earth, but in the Sun; in fact, at the Sun’s very center.It is here that is to be found the source
2014年公共英语一级考试阅读习题汇总12014年公共英语一级考试阅读习题122014年公共英语一级考试阅读习题232014年公共英语一级考试阅读习题342014年公共
A Change in Women’s LifeThe important change in women’s life-pattern has only recently begun to have its full effect on women’s economic position. Even a few years ago most girls left school at
A Popular Pastime of the English PeopleOne of the best means of understanding the people of any nation is watching what the do with their non-working time.Most English men, love growing things, especi
British and American Police OfficersReal policemen, both in Britain and the U.S., hardly recognize any common points between their lives and what they se on TV—if they ever get home in time.Some thi
Great Depression in the U.S.In 1929, the bills started to come in. American industry had produced too many goods. Americans could not afford to buy all of them. So factories had to cut down on their p
America’s Worst SurpriseDecember 7, 1941 was one of the worst days in American history. Nearly all Americans who are old enough to remember that day can still remember what they were doing at the mo