题目内容
Questions 47 to 56 are based on the following passage. During sleep, the fatigue of the body disappears and recuperation (恢复) begins. The tired mind gathers new energy. Once awake, the memory improves, and annoyance and problems are seen in a better (47) . Some adults require little sleep; others need eight to ten hours in every twenty-four. Infants sleep sixteen to eighteen hours daily and, as they grow older, the amount gradually diminishes Young students may need twelve hours; university students may need ten. A worker with a physically (48) job may also need ten, whereas an (49) worker under great pressure may manage on six to eight. Many famous people are reputed to have (50) little sleep. Whatever your (51) need, you can be sure that by the age of thirty you will have slept for a total of more than twelve years. By that age you will also have developed a sleep (52) : a favorite hour, a favorite bed, a favorite position, and a (53) you need to follow in order to rest (54) . Investigators have tried to find out how long a person can go without sleep. Several people have reached more than 115 hours, nearly five days, whereas animals kept awake for five to eight days have died of (55) . The (56) for human beings is probably about a week.A) convenientlyI) formulaB) requiredJ) acquiredC) perspective K) comfortablyD) corresponding L) exhaustionE) routine M) starvationF) limit N) prospectiveG) demanding O) executiveH) individual
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Questions 22-27Complete the summary below.Choose NO MORE THAN TWO WORDS from the passage for each answer.A research on SIV has been launched by some scientists who have done experiments on numerous animals, first with collections of animals’ (22) , then scientists receiving information about animals’ infection by drawing (23) . They have established links of strains with (24) again. So, it is evident after the analysis of strains that times for which (25) choose the variety of animals is much more than that of human malaria. As a consequence, it is fairly easy for HIV to find suitable inhabits for humans and their relatives are alike in (26) . But it is concerned that (27) has been invaded by human malaria strains and new virus would be born from both human and their relatives. 22（）
财务费用中的利息支出，凡能够按转让房地产项目计算分摊或提供金融机构证明的，允许据实扣除，但最高不能超过按商业银行同类同期贷款利率计算的金额。( )
In an age when waste today means a lack tomorrow, making use of every available resource becomes more and more important. As coal is being used in greater and greater amounts to produce electricity, larger amounts of ash, by-product of coal, are produced. When coal is burned in a boiler, two kinds of ash by-product are produced, a heavy bottom ash and a fine-as-powder fly ash that is filtered and captured by precipitators. About 10 to 15 percent of the coal by-product is bottom ash which is used like sand on icy city streets and highways and also on highways as paving material. It is the fly ash, however, that is receiving the greater amount of attention. Fly ash may be used as an additive to concrete in the construction of dams, bricks, and roads, and can replace up to 20 percent of the cement used in concrete. As a by-product of burned coal, fly ash requires no additional expenditure of energy to be produced, while cement production requires great amounts of energy.In addition to using fly ash as a concrete additive, the technology is available to extract the main mineral components-aluminum, silicon, and magnetic. Today, extracting these components is a very expensive process, but the time may come when it is cheaper to extract these products from ash than to mine new supplies. Fly ash can partly take the place of ()
Questions 38-40Complete the sentences below.Choose NO MORE THAN TWO WORDS from the passage for each answer. Chinese journalists have cited（）far less frequently than those have done in the west countries.
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