GRE-GMAT英语大全

In recent years, teachers of introductory courses in Asian American studies have been facing a dilemma nonexistent a few decades ago, when hardly any ...

Although numbers of animals in a given region may fluctuate from year to year, the fluctuations are often temporary and, over long periods, trivial. S...

Some observers have attributed the dramatic growth in temporary employment that occurred in the United states during the 1980's to increased parti...

Two modes of argumentation have been used on behalf of women's emancipation in Western societies. Arguments in what could be called the "rela...

Seeking a competitive advantage, some professional service firms(for example, firms providing advertising, accounting, or health care services) have c...

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...

electrical fields) clustered at the tip of the spiny anteater's snout. The researchers made this discovery by exposing small areas of (5) the snou...

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

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 ne...

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