Zoos have become an important site for the preservation and protection of wildlife resources,【C1】______those species that are en

admin2012-07-24  52

问题     Zoos have become an important site for the preservation and protection of wildlife resources,【C1】______those species that are endangered【C2】______, many zoos displayed live animals for public entertainment. Presently some zoos have become scientific and educational【C3】______that have contributed to the understanding and conservation of wild animal populations【C4】______the challenges facing modern zoos are the cost of upgrading old facilities, the struggle to obtain【C5】______operating funds, and the need to attract more visitors to new and entertaining exhibits.
    Many【C6】______zoos in American cities have undergone renovation (翻新) during the last decades of the twentieth century. Among the recent trends in zoo【C7】______is the construction if new enclosures that resemble natural habitats (栖息地) . The replacement of traditional steel bars and concrete floors【C8】______appropriately designed surroundings improve visitor appreciation of the animals. Such renovation may【C9】______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【C10】______zoo or wild animals to obtain offspring, usually for release to 【C11】______or for transfer to other zoos. Captive breeding is one method of【C12】______some species from extinction.
    Zoos have expanded and improved public education programs also, with education departments that develop programs【C13】______zoo exhibits. Pubic activities include in-school programs, zoo 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【C14】______ito moved throughout its range.
    The importance of zoos will increase as natural habitats are diminishing. Through their efforts【C15】______conservation, education, and environmental advocacy, zoos will continue to play a critical role in wildlife preservation throughout the world.
【C7】

选项 A、improvement
B、management
C、achievement
D、assessment

答案A

解析 improvement改进,改善;management管理,经营;achievement成就;assessment评价,评估。这里指动物园改进的地方。故答案选A。
转载请注明原文地址:https://jikaoti.com/ti/dvOjFFFM
0

最新回复(0)