A．从下列单词中选择恰当的词填空，每个词只能用一次。

medicine owners hospitals ways to

ill zoo operateinterested called

Do you have a pet? Are you51 in taking care of animals? Girls and boys who like animals may want to study to be animal doctors. They are often52 “vets ”. Many of them work in animal53 . Others may work on farms or at a54 . Some study animal diseases and try to find55 to keep the animals from getting 56 . They do studies in57 for animals. Vets listen to an animal’s heart. They check its ears, eyes, mouth and blood. They58 on animals when they need 59 . They may give the animals shots (注射) and tell the pets’60 what food is best.

（51）

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