Q30 the quality of unrefined olive oil is not

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Q30: The quality of unrefined olive oil is not actually defined in terms of acidity, yet extensive tests have shown that the less free oleic acid an unrefined olive oil contains per liter, the higher its quality. The proportion of free oleic acid that an olive oil contains is an accurate measure of the oil’s acidity. If the statements above are all true, which of the following conclusions is best supported by them ? A. When an olive oil is refined, the concentration of oleic acid in the oil is reduced. B. The quality of an unrefined olive oil can be determined only by accurately measuring its acidity. C. If an unrefined olive oil is intermediate in acidity between two other unrefined olive oils, it will also be intermediate between them in quality. D. Free oleic acid is the only acid that unrefined olive oil contains. E. People who judge the quality of unrefined olive oils actually judge those oils by their acidity, which the judges can taste. Answer: ------------------------------------------------------------------------------------------------------------ Q31: Leaching, the recovery of copper from the drainage water of mines, as a method of the extraction of minerals, it was well established as early as the eighteenth century, but until about 25 years ago miners did not realize that bacteria take an active part in the process. A. as a method of the extraction of minerals, it was well established B. as a method of the extraction of minerals well established C. was a well-established method of mineral extraction D. was a well-established method of extracting mineral that was E. had been a method of mineral extraction, well established Answer: ------------------------------------------------------------------------------------------------------------ Q32: Most of the purported health benefits of tea comes from antioxidants—compounds also found in beta carotene, vitamin E, and vitamin C that inhibit the formation of plaque along the body’s blood vessels. ------------------------------------------------------------------------------------------------------------ Q33 to Q35: (This passage was excerpted from material published in 1993.) 13
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Like many other industries, the travel industry is under increasing pressure to expand globally in order Line to keep pace with its corporate cus- (5) tomers, who have globalized their operations in response to market pressure, competitor actions, and changing supplier relations. But it is difficult for service organizations to (10) globalize. Global expansion through acquisition is usually expensive, and expansion through internal growth is time-consuming and sometimes impossible in markets that are not (15) actively growing. Some service indus- try companies, in fact, regard these traditional routes to global expansion as inappropriate for service industries because of their special need to pre- (20)
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