19. It is widely assumed that a museum is helped finan- cially when a generous patron donates a potential exhibit. In truth, however, donated objects require storage space, which is not free, and routine conser- vation, which is rather expensive. Therefore, such gifts exacerbate rather than lighten the demands made on a museum's financial resources.
Which of the following, if true, most seriously weakens the argument above? (A) To keep patrons well disposed, a museum will find it advisable to put at least some donated objects on exhibit rather than merely in storage. (B) The people who are most likely to donate valu- able objects to a museum are also the people who are most likely to make cash gifts to it. (C) A museum cannot save money by resorting to cheap storage under less than adequate con- ditions, because so doing would drive up the cost of conservation. (D) Patrons expect a museum to keep donated objects in its possession rather than to raise cash by selling them. (E) Objects donated by a patron to a museum are often of such importance that the museum would be obliged to add them to its collec- tion through purchase if necessary.
20. Despite the approach of winter, oil prices to indus- trial customers are exceptionally low this year and likely to remain so. Therefore, unless the winter is especially severe, the price of natural gas to indus- trial customers is also likely to remain low.
Which of the following, if true, provides the most support for the conclusion above? (A) Long-term weather forecasts predict a mild winter. (B) The industrial users who consume most natural gas can quickly and cheaply switch to using oil instead. (C) The largest sources of supply for both oil and natural gas are in subtropical regions unlikely to be affected by winter weather. (D) The fuel requirements of industrial users of nat- ural gas are not seriously affected by the weather. (E) Oil distribution is more likely to be affected by severe winter weather than is the distribution of natural gas.
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发表于 2003-9-24 11:22:00
