GMAT语法练习（6）

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　　The number of mountain gorillas is declining with such rapidity that the population is one-half in the twenty years between a count made by George Schaller in 1960 and the one made by Dian Fossey in 1980.

　　(A) with such rapidity that the population is one-half

　　(B) with such rapidity that the population was one-half

　　(C) so rapidly the population divided in half

　　(D) so rapidly that the population was halved

　　(E) in such rapidity that the population is halved

　　2. The ordinance is intended to force householders to separate such hazardous waste like pesticides， batteries， fertilizers， and oil-based paints from the general stream of household trash.

　　(A) to separate such hazardous waste like

　　(B) that they should separate such hazardous waste like

　　(C) separating such hazardous wastes as

　　(D) that they should separate such hazardous wastes as

　　(E) to separate such hazardous wastes as

　　3. The distinctive hereditary tartans that are alleged to be worn since antiquity by members of the Highland clans were in fact designed by Scottish woolen manufacturers in the eighteenth and nineteenth centuries.

　　(A) that are alleged to be worn

　　(B) alleged to have been worn

　　(C) that are worn， it was alleged

　　(D) alleged as having been worn

　　(E) that are worn， allegedly

　　4. According to a panel of health officials， there has been a great deal of confusion in the medical profession about whether obesity is a biological disorder posing serious health risks or a condition more related to appearance than to health.

　　(A) about whether obesity is a biological disorder posing serious health risks or a condition more related to appearance than to

　　(B) with respect to obesity being a biological disorder posing serious health risks or if it is related more to appearance than

　　(C) over whether or not obesity is a biological disorder posing serious health risks or it is a condition more related to appearance than to

　　(D) about obesity and if it is a biological disorder posing serious health risks or a condition related to appearance more than to

　　(E) concerning whether obesity is a biological disorder posing serious health risks or it is a condition related to appearance more than

　　5. A recent study of ancient clay deposits has provided new evidence supporting the theory of global forest fires ignited by a meteorite impact that contributed to the extinction of the dinosaurs and many other creatures some 65 million years ago.

　　(A) supporting the theory of global forest fires ignited by a meteorite impact that

　　(B) supporting the theory that global forest fires ignited by a meteorite impact

　　(C) that supports the theory of global forest fires that were ignited by a meteorite impact and that

　　(D) in support of the theory that global forest fires were ignited by a meteorite impact and that

　　(E) of support for the theory of a meteorite impact that ignited global forest fires and

　　6. As Hurricane Hugo approached the Atlantic coast， it increased dramatically in strength， becoming the tenth most intense hurricane to hit the United States mainland in the twentieth century and most intense since Camille in 1969.

　　(A) most intense since Camille in 1969

　　(B) most intense after Camille in 1969

　　(C) the most intense since Camille in 1969

　　(D) the most intense after 1969， which had Camille

　　(E) since 1969 and Camille， the most intense

　　7. The commission has directed advertisers to restrict the use of the word “natural” to foods that do not contain color or flavor additives， chemical preservatives， or nothing that has been synthesized.

　　(A) or nothing that has been

　　(B) or that has been

　　(C) and nothing that is

　　(D) or anything that has been

　　(E) and anything

　　8. Doctors generally agree that such factors as cigarette smoking， eating rich foods high in fats， and alcohol consumption not only do damage by themselves but also aggravate genetic predispositions toward certain diseases.

　　(A) not only do damage by themselves but also aggravate

　　(B) do damage by themselves but also are aggravating to

　　(C) are damaging by themselves but also are aggravating

　　(D) not only do damage by themselves， they are also aggravating to

　　(E) are doing damage by themselves， and they are also aggravating

　　9. In a plan to stop the erosion of East Coast beaches， the Army Corps of Engineers proposed building parallel to shore a breakwater of rocks that would rise six feet above the waterline and act as a buffer， so that it absorbs the energy of crashing waves and protecting the beaches.

　　(A) act as a buffer， so that it absorbs

　　(B) act like a buffer so as to absorb

　　(C) act as a buffer， absorbing

　　(D) acting as a buffer， absorbing

　　(E) acting like a buffer， absorb

　　10. Senior executives had a larger percentage increase in pay in 1990 than the wages of other salaried workers.

　　(A) Senior executives had a larger percentage increase in pay in 1990 than

　　(B) The percentage of senior executives‘ pay increase in 1990 was larger than for

　　(C) The 1990 increase in pay for senior executives was larger in terms of percentage than

　　(D) In 1990 senior executives had a larger pay increase in terms of percentage than did

　　(E) The pay of senior executives increased in 1990 by a larger percentage than did

　　11. The Iroquois were primarily planters， but supplementing their cultivation of maize， squash， and beans with fishing and hunting.

　　(A) but supplementing

　　(B) and had supplemented

　　(C) and even though they supplemented

　　(D) although they supplemented

　　(E) but with supplementing

　　12. Affording strategic proximity to the Strait of Gibraltar， Morocco was also of interest to the French throughout the first half of the twentieth century because they assumed that if they did not hold it， their grip on Algeria was always insecure.

　　(A) if they did not hold it， their grip in Algeria was always insecure

　　(B) without it their grip on Algeria would never be secure

　　(C) their grip on Algeria was not ever secure if they did not hold it

　　(D) without that， they could never be secure about their grip on Algeria

　　(E) never would their grip on Algeria be secure if they did not hold it

　　13. Beatrix Potter， in her book illustrations， carefully coordinating them with her narratives， capitalized on her keen observation and love of the natural world.

　　(A) Beatrix Potter， in her book illustrations， carefully coordinating them with her narratives，

　　(B) In her book illustrations， carefully coordinating them with her narratives， Beatrix Potter

　　(C) In her book illustrations， which she carefully coordinated with her narratives， Beatrix Potter

　　(D) Carefully coordinated with her narratives， Beatrix Potter， in her book illustrations，

　　(E) Beatrix Potter， in her book illustrations， carefully coordinated them with her narratives and

　　14. As contrasted with the honeybee， the yellow jacket can sting repeatedly without dying and carries a potent venom that can cause intense pain.

　　(A) As contrasted with the honeybee

　　(B) In contrast to the honeybee‘s

　　(C) Unlike the sting of the honeybee

　　(D) Unlike that of the honeybee

　　(E) Unlike the honeybee

　　15. The development of a new jumbo rocket that is expected to carry the United States into its next phase of space exploration will be able to deliver a heavier load of instruments into orbit than the space shuttle and at a lower cost.

　　(A) The development of a new jumbo rocket that is expected to carry the United States into its next phase of space exploration will be able to deliver a heavier load of instruments into orbit than the space shuttle and at a lower cost.

　　(B) The development of a new jumbo rocket is expected to carry the United States into its next phase of space exploration and be able to deliver a heavier load of instruments into orbit at a lower cost than the space shuttle.

　　(C) The new development of a jumbo rocket， which is expected to carry the United States into its next phase of space exploration， will be able to deliver a heavier load of instruments into orbit at a lower cost than the space shuttle.

　　(D) A newly developed jumbo rocket， which is expected to carry the United States into its next phase of space exploration， will be able to deliver a heavier load of instruments into orbit than the space shuttle can， and at a lower cost.

　　(E) A newly developed jumbo rocket， which is expected to carry the United States into its next phase of space exploration， will be able to deliver a heavier load of instruments into orbit than the space shuttle and to cost less.

　　16. Once they had seen the report from the medical examiner， the investigators did not doubt whether the body recovered from the river was the man who had attempted to escape from the state prison.

　　(A) did not doubt whether the body recovered from the river was

　　(B) have no doubt whether the body recovered from the river was

　　(C) had not doubted that the body recovered from the river was

　　(D) have no doubt whether the body recovered from the river was that of

　　(E) had no doubt that the body recovered from the river was that of

　　17. Contestants in many sports prepare for competition by eating pasta as part of a “carbohydrate-loading ” regimen that is supposed to provide quick energy.

　　(A) prepare for competition by eating pasta as

　　(B) prepare for competition and eat pasta， which is

　　(C) prepare for competition by eating pasta because this is

　　(D) eat pasta to prepare for competing， which is

　　(E) eat pasta to prepare for competing as

　　18. His studies of ice-polished rocks in his Alpine home-land， far outside the range of present-day glaciers， led Louis Agassiz in 1837 to propose the concept of an age in which great ice sheets had existed in now currently temperate areas.

　　(A) in which great ice sheets had existed in now currently temperate areas

　　(B) in which great ice sheets existed in what are now temperate areas

　　(C) when great ice sheets existed where there were areas now temperate

　　(D) when great ice sheets had existed in current temperate areas

　　(E) when great ice sheets existed in areas now that are temperate

　　19. More and more in recent years， cities are stressing the arts as a means to greater economic development and investing millions of dollars in cultural activities， despite strained municipal budgets and fading federal support.

　　(A) to greater economic development and investing

　　(B) to greater development economically and investing

　　(C) of greater economic development and invest

　　(D) of greater development economically and invest

　　(E) for greater economic development and the investment of

　　20. Since 1986 enrollments of African Americans， American Indians， and Hispanic Americans in full-time engineering programs in the United States has steadily increased， while the number of other students who enter the field has fallen.

　　(A) has steadily increased， while the number of other students who enter the field has fallen

　　(B) has steadily increased， while other students entering the field have declined in number

　　(C) increased steadily， while there was a decline in the number of other students entering the field

　　(D) have steadily increased， while the number of other students entering the field has fallen

　　(E) have steadily increased， while that of other students who enter the field fell

　　KEYS

　　D 2. E 3. B 4. A 5. B

　　6. C 7. D 8. A 9. C 10. E

　　11. D 12. B 13. C 14. E 15. D

　　16. E 17. A 18. B 19. A 20. D

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