GRE-GMAT英语大全

Passage 12All of the cells in a particular plant start out with thesame complement of genes. How then can these cellsdifferentiate and form structures...

Passage 13Two recent publications offer different assessment of the career of the famous British nurse Florence Nightingale. A book by Anne Summers se...

Passage 14A meteor stream is composed of dust particles that have been ejected from a parent comet at a variety of velocities. These particles follow ...

Passage 15Most large corporations in the United States wereonce run by individual capitalists who owned enoughstock to dominate the board of directors...

Passage 16Traditionally, the first firm to commercialize a newtechnology has benefited from the unique opportunity toshape product definitions, forcin...

Passage 17Australian researchers have discovered electroreceptors(sensory organs designed to respond to electrical fields)clustered at the tip of the ...

Passage 18When A. Philip Randolph assumed the leadership of theBrotherhood of Sleeping Car Porters, he began a ten-yearbattle to win recognition from ...

Passage 19Seeking a competitive advantage, some professionalservice firms(for example, firms providing advertising,accounting, or health care services...

Passage 20 Although genetic mutations in bacteria and viruses can lead to epidemics, some epidemics are caused by bacteria and viruses that have under...

Passage 21Two modes of argumentation have been used onbehalf of women’s emancipation in Western societies.Arguments in what could be called the ...