Part IV Cloze (15 minutes, 15 points, 1 for each)

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, 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 __74__ it moved throughout its range.

The importance of zoos will increase as natural habitats are diminishing. Through their efforts __75__ conservation, education, and environmental advocacy, zoos will continue to play a critical role in wildlife preservation throughout the world.

61A superficially

B especially

C importantly

D supposedly

62. A By that time

B By the time

C At one time

D At that time

63. A institutions

B associations

C foundations

D corporation

64. A Along

B Forward

C Among

D Through

65. A limited

B professional

C sufficient

D excessive

66. A newer

B older

C former

D later

67. A management

B improvement

C achievement

D assessment

68. A under

B for

C into

D with

69. A reduce

B cause

C increase

D avoid

70. A selected

B sustained

C promising

D surviving

71. A natural

B the natural

C wild

D the wild

72. A restraining

B saving

C sheltering

D exempting

73. A attributed to

B opposed to

C referred to

D related to

74. A as

B as if

C so

D so that

75. A in stead of

B in honor of

C in support of

D in charge of