Cloze Test
Modern zoos are very different from zoos that were built fifty years １ . At that time, zoos were places _ 2 people could go to see animals from many parts of the world. The animals lived in cages that were made 3 concrete with iron bars, cages that were easy to keep clean.
4 for the animals, the cages were small and impossible to hide in. The zoo environment was 5 natural. Although the zoo keepers took good care of the animals and fed them well, __6 of the animals did not thrive (长得健壮); they behaved in strange ways, and they often became ill.
In modern zoos, people can see animals in more natural habitats (生活环境). The animals are given more ___7 in large areas so that they can live more _ 8 as they would in nature. __9 the appearance of zoos has changed. Trees and grass grow in the cages, and streams of water flow through the areas in 10 animals live.
1. A. later B. ago C. before D. after
2. A. which B. where C. when D. that
3. A. up B. into C. of D. for
4. A. Successfully B. Unfortunately C. luckily D. Unusually
5. A. only B. anything but C. but D. anything only
6. A. most B. none C. many D. all
7. A. freedom B. food C. drink D. dependence
8. A. silently B. comfortably C. difficultly D. independently
9. A. yet B. ever C. even D. still
10. A. that B. where C. when D. which