People began to (0)........................ animals in zoos (26)..................... over. 3.000 years ago, whenthe rulers of China opened an enormous zoo called the Gardens of Intelligence. Printmany of the early zoos, animals (27) ... were .................. self-taught to perform for the visitors.This no longer (28)........... happens.................. and it is accepted that the purpose of zoos is forpeople to see animals behaving naturally.Today, most cities have a zoo or wildlife park. However, not (29).............. everybody.......... approvesof zoos. People who think that zoos are a good idea say they (30)..................... provide ... withthe opportunity to (31).................. learns ... ... about the natural world and be close to the wildanimals. Both of (32)............ these............ would not be possible (33)........................ without zoos. On theother hand, some people disapprove of zoos because they (34).................... belive ... .it is wrongto put animals in cages, and argue that in zoos which are not (35)........................ managed properly,animals live in dirty conditions and eat unsuitable food.
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