GWD28-Q18: Which of the following most logically completes the passage? Concerned about financial well-being of its elderly citizens, the government of Runagiadecided two years ago to increase by 20 percent the government-provided pensionpaid to all Runagians over 65.Inflation in the intervening period has been negligible,and the increase has been duly received by all eligible Runagians.Nevertheless,many of them are no better off financially than they were before the increase, in large part because ________. A.They rely entirely on the government pension for their income B.Runagian banks are so inefficient that it can take up to three weeks to cash a pension check C.They buy goods whose prices tend to rise especially fast in times of inflation D.The pension was increased when the number of elderly Runagians below the poverty level reached an all-time high E.In Runagia children typically supplement the income of elderly parents, but only by enough to provide them with a comfortable living A:(E) 题目是说即使政府增加20%，老人们觉得经济上并没有多大改善。 (E)说他们的小孩只提供舒适的生活。可以解释吗? Q28: Which of the following most logically completes the argument? A certain cultivated herb is one of a group of closely related plants that thrive in soil with high concentrations of metals that are toxic to most other plants.Agronomists studying the herb have discovered that it produces large amounts of histidine, an amino acid that, in test-tube solutions, renders these metals chemically inert. Possibly, therefore, the herb’s high histidine production is what allows it to grow in metal-rich soils, a hypothesis that would gain support if ______. A.histidine is found in all parts of the plant—roots, stem, leaves, and flowers B.the herb’s high level of histidine production is found to be associated with an unusually low level of production of other amino acids C.others of the closely related group of plants are also found to produce histidine in large quantities D.cultivation of the herb in soil with high concentrations of the metals will, over an extended period, make the soil suitable for plants to which the metals are toxic E.the concentration of histidine in the growing herb declines as the plant approaches maturity A:(E) 我是选(C)，藉由其它group来证明强化此hypothesis。 完全看不出来(E)有支持这假设耶@@.. 谢谢大家的回答^^ --

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