GRE-GMAT英语大全

It was once assumed that all living things could be divided into two fundamental and exhaustive categories. Multicellular plants and animals, as well ...

Excess inventory, a massive problem for many busi- nesses, has several causes, some of which are unavoidable. Overstocks may accumulate through produc...

Historians of women's labor in the United States at first largely disregarded the story of female service workers -women earning wages in occupati...

According to a recent theory, Archean-age gold-quartz vein systems were formed over two billion years ago from magmatic fluids that originated from mo...

As the economic role of multinational, global corpora- tions expands, the international economic environment will be shaped increasingly not by govern...

In Forces of Production, David Noble examines the transformation of the machine-tool industry as the industry moved from reliance on skilled artisans ...

　The sensation of pain cannot accurately be described as "located" at the point of an injury, or, for that matter, in any one place in the n...

Traditionally, the first firm to commercialize a new technology has benefited from the unique opportunity to shape product definitions, forcing follow...

Australian researchers have discovered electroreceptors (sensory organs designed to respond to electrical fields) clustered at the tip of the spiny an...

When A. Philip Randolph assumed the leadership of the Brotherhood of Sleeping Car Porters, he began a ten-year battle to win recognition from the Pull...