GRE-GMAT英语大全

KEYS:Passage 1: AEEBC DCAEPassage 2: ECDBB DC Passage 3: ACBBC DB...

In choosing a method for determining climatic condi-tions that existed in the past, paleoclimatologists invoke four principal criteria. First, the mat...

The number of women directors appointed to corpo- rate boards in the United States has increased dramati- cally, but the ratio of female to male direc...

Increasingly, historians are blaming diseases imported from the Old World for the staggering disparity between the indigenous population of America in...

Until recently most astronomers believed that the space between the galaxies in our universe was a near- perfect vacuum. This orthodox view of the uni...

Kazuko Nakane's history of the early Japanese immi- grants to central California's Pajaro Valley focuses on the development of farming communi...

It can be argued that much consumer dissatisfaction with marketing strategies arises from an inability to aim advertising at only the likely buyers of...

Protein synthesis begins when the gene encoding a protein is activated. The gene's sequence of nucleotides is transcribed into a molecule of messe...

Japanese firms have achieved the highest levels of manufacturing efficiency in the world automobile industry. Some observers of Japan have assumed tha...

It was once believed that the brain was independent of metabolic processes occurring elsewhere in the body. In recent studies, however, we have discov...