GRE-GMAT英语大全

Passage 38During the nineteenth-century, occupational information about women that was provided by theUnited States census-a population count conducte...

Passage 37A recent study has provided clues to predator-prey dynamics in the late Pleistocene era.Researchers compared the number of tooth fractures i...

Passage 36The fact that superior service can generate a competitiveadvantage for a company does not mean that every attemptat improving service will c...

Passage 35Two divergent definitions have dominated sociologists’discussions of the nature of ethnicity. The first emphasizesthe primordial and u...

Passage 34Coral reefs are one of the most fragile, biologicallycomplex, and diverse marine ecosystem on Earth. Thisecosystem is one of the fascinating...

Passage 33While there is no blueprint for transforming a largelygovernment-controlled economy into a free one, theexperience of the United Kingdom sin...

Passage 32According to a recent theory, Archean-age gold-quartzvein systems were formed over two billion years ago frommagmatic fluids that originated...

Passage 31Historians of women’s labor in the United States at firstlargely disregarded the story of female service workers-women earning wages i...

Passage 30Excess inventory, a massive problem for many busi-nesses, has several causes, some of which are unavoidable.Overstocks may accumulate throug...

Passage 29It was once assumed that all living things could bedivided into two fundamental and exhaustive categories.Multicellular plants and animals, ...