1. 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 tha
（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 |
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