一级英语

The Definition of “Price“Prices determine how resources are to be used. They are also the means by which products and services that are in limited supply are rationed among buyers. The price syste...

The Definition of “Price“Prices determine how resources are to be used. They are also the means by which products and services that are in limited supply are rationed among buyers. The price syste...

ElectricityThe modern age is an age of electricity. People are so used to electric lights, radio, televisions, and telephones that it is hard to imagine what life would be like without them. When ther...

The Beginning of DramaThere are many theories about the beginning of drama in ancient Greece. The one most widely accepted today is based on the assumption that drama evolved from ritual. The argument...

TelevisionTelevision -- the most pervasive and persuasive of modern technologies, marked by rapid change and growth -- is moving into a new era, an era of extraordinary sophistication and versatility,...

Andrew CarnegieAndrew Carnegie, known as the King of Steel, built the steel industry in the United States, and, in the process, became one of the wealthiest men in America. His success resulted in par...

American RevolutionThe American Revolution was not a revolution in the sense of a radical or total change. It was not a sudden and violent overturning of the political and social framework, such as la...

SuburbanizationIf by “suburb“ is meant an urban margin that grows more rapidly than its already developed interior, the process of suburbanization began during the emergence of the industrial city...

Types of SpeechStandard usage includes those words and expressions understood, used, and accepted by a majority of the speakers of a language in any situation regardless of the level of formality. As ...

ArchaeologyArchaeology is a source of history, not just a humble auxiliary discipline. Archaeological data are historical documents in their own right, not mere illustrations to written texts. Just as...