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某嵌入式系统采用字节编址方式，内存由A4000H 到BBFFFH 共有__(35)__KB，实现该内存区域需要32K×4bit 的SRAM 芯片共__(36)__片。
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某市拟在2002年12月以拍卖方式出让一宗土地，土地用途为住宅用地，该宗地拍卖的保留价为6000万元，起拍价为5600万元。 如果利用内部效益率来衡量该项目是否可行，正确的说法是( )。
By late middle ages many workers are looking 41 to retirement, and millions of those 42 have retired are only too glad to exchange the routines of work 43 the satisfaction that a more leisured life may 44. Many other workers are reluctant to give up their 45. The desire to continue working often stems from harsh economic reality, for 46 usually brings a sharp drop in income. 47 workers fear the loss of social identity that can result from 48 a job. They may be left with “nothing to do”, and may find that they are 49 a life with significant meaning and fulfillment. Those old people who 50 like to continue working are often victims of 51 is perhaps the most striking example of age discrimination (歧视): the practice of mandatory (强制的) retirement, under which people are forced to give up their jobs immediately when they 52 a certain age. Until recently the precise age for mandatory retirement 53 from job to job. The usual mandatory retirement age in the U.S.A., however, was sixtyfive. The objection to mandatory retirement is that there is no 54 to suggest that most people over the age of sixtyfive or seventy are incapable of working; at the turn of the century, in fact, 70 percent of men over sixtyfive were still 55 in the labor force.
IEEE 1394 具有__(48)__位地址空间，IEEE 1394 的通信协议具有三个协议层，下面不属于这三个协议层的是__(49)__。
Passage 2A major new development in systems of work in Britain is taking place. Flexible working hours, or “Flextime”, are catching on fast, and this trend is continuing. In 1973, over 500 organizations adopted the idea, and by 1974, this number had risen to over 200, 000. Flexible working hours were invented in Germany in the late 1960’s, but reached Britain only in 1972. The system allows workers to start and finish work whenever they want, with only two requirements. These are, firstly, that all workers must be present for certain “key” times in day, and secondly, that all workers must work an agreed total number of hours per week. The system has proved an almost total success wherever it has been tried. A survey of 700 workers on flexible hours showed three main advantages: a better balance between working and private life, avoidance of the need to travel during rush hours and the ability to be able to finish a certain task before leaving. From the employer’s point of view, the system tends to increase productivity, reduce labor turnover and give the workers a greater sense of duty. According to “Flextime” system, workers must ______.
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