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在虚拟页式存储管理系统中,选择页面淘汰算法时应尽量注意减少或避免 【7】 现象的发生。

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If you haven’t heard or seen anything about Road Rage in the last few months, you’ve probably been avoiding the media. There have been countless stories about this new and scary phenomenon, considered a type of aggressive driving. You have more likely encountered aggressive driving and/or Road Rage recently if you drive at all. While drunk driving remains a critical problem, the facts about aggressive driving are surely as disturbing. For instance, according to the National Highway Transportation Safety Association, 41, 907 people died on the highway last year. Of those fatalities, the agency estimates that about two-thirds were caused at least in part by aggressive driving behavior. Why is this phenomenon occurring more than ever now, and why is it something that seemed almost nonexistent a few short years ago Experts have several theories, and all are probably partially correct. One suggestion is sheer overcrowding. In the last decade, the number of cars on the roads has increased by more than 11 percent, and the number of miles driven has increased by 35 percent. However, the number of new road miles has only increased by 1 percent. That means more cars in the same amount of space: and the problem is magnified in urban areas. Also, people have less time and more things to do, With people working and trying to fit extra chores (琐事) and activities into the day, stress levels, have never been higher, Stress creates anxiety, which leads to short tempers. These factors, when combined in certain situations, can spell Road Rage. You may think you are the last person who would drive aggressively, but you might be surprised. For instance, have you ever yelled out loud at a slower driver, sounded the horn long and hard at another car, or sped up to keep another driver from passing If you recognize yourself in any of these situations, watch out! Whether you are getting angry at other drivers, or another driver is visibly upset with you, there are things you can do to avoid any major confrontation. If you are susceptible to Road Rage, the key is to discharge your emotion in a healthy way. If you’re the target of another driver’s rage, do everything possible to get away from the other diver safely, including avoiding eye contact and getting out of their way. The word "spell" in Paragraph 3 means "______".

A. speak
B. cause
C. describe
D. spare

简答题 帕金森病的临床表现

文件系统提供按名存取功能,要求用户在读文件之前调用 【8】 文件操作。

Zoos have become an important site for the preservation and protection of wildlife resources, (61) those species that are endangered. (62) , many zoos displayed live animals for public entertainment. Presently some zoos have become scientific and educational (63) that have contributed to the understanding and conservation of wild animal populations. (64) the challenges facing modern zoos are the cost of upgrading old facilities, the struggle to obtain 65 operating funds, and the need to attract more visitors to new and entertaining exhibits. Many (66) zoos in American cities have undergone renovation (翻新) during the last decades of the twentieth century. Among the recent trends in zoo (67) is the construction of new enclosures that resemble natural habitats (栖息地). The replacement of traditional steel bars and concrete floors (68) appropriately designed surroundings improves visitor appreciation of the animals. Such renovations may (69) stress on animals and allow them to interact with one another more naturally. Several major zoos conduct captive propagation programs. A captive propagation program includes the breeding of (70) zoo or wild animals to obtain offspring, usually for release to (71) or for transfer to other zoos. Captive breeding is one method of 72 some species from extinction. Zoos have expanded and improved public education programs also, with education departments that develop programs (73) zoo exhibits. Public activities include in-school programs, zoos tours, special events, and websites. The Zoological Society of New York, for example, conducted a major project with a Western African government to monitor an elephant herd (74) it moved throughout its range. The importance of zoos will increase as natural habitats are diminishing. Through will their efforts (75) conservation, education, and environmental advocacy, zoos continue to play a critical role in wildlife preservation throughout the world.

A. By that time
By the time
C. At one time
D. At that time

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