A weather map is an important tool for geographers. A succession of three or four maps presents a continuous picture of weather changes. Weather forecasters are able to determine the speed of air mass
In the age of a global economy and an information society, the world is now seeking a new economic pattern beyond traditional capitalism and socialism.As the influence of Japan in the world economy be
It is estimated that 11 seven hundred million people—about half of the world's population—are unable to read and write, and there are probably two hundred and fifty million more whose leve
Newspapers often tell us of floods in some parts of the United States. Nearly every year on the great central drainages heavy rains and melting snow cause the waters to pour out the mountains and plai
The world has become a world of cities. With the present rate of urban growth(3. 8% in the Third World) , the majority of the population of the world will be living in cities by the year 2000. This wi
Southern Californians would love to find some way of knowing a month in advance whether a 11 earthquake will likely strike. One meteorologist suggests atmospheric pressure patterns might provide some
Agriculture is the number one industry in the United States and agricultural products are the country's leading export. American farmers manage to feed not only the total population of the United Stat
Happiness can be described as a positive mood and a pleasant state of mind. According to recent polls (民意测验) sixty to seventy percent of Americans consider themselves to be moderately happy an
Perhaps it was only during the dawn of the human race that women 11 stood equal with men. At the beginning, I think both sexes shared equal responsibility for the 12 of the race. Men and women shared
In many traditional societies a woman's role is restricted to that of mother (for the continuation of the race) , and she is confined to family and household activities, including help out in the fiel