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2022年英语专八范文背诵：动物园有什么作用

2022-03-18 07:47:00来源：网络

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　　?动物园有什么作用

　　Model Essay(范文)：

　　Zoos are often controversial because many people believe they are necessary

　　or even harmful .If properly managed, I feel that zoos have a lot of value. In

　　fact, I believe zoos are useful in two main ways: educating the general public

　　and advancing scientific research.

　　Zoos can be wonderfully educational places. They provide a safe, controlled

　　environment to learn about a specific species. Children can feel safe exploring

　　the world of the chimpanzee there, and adults can learn about and see types of

　　birds they’ve never seen before . Unlike in the wild , there’s no worry of being

　　physically harmed by an animal.

　　Zoos are also important for the research opportunities they provide.

　　Research is safer and easier to conduct than in the wild. Scientists can feel

　　secure in the confined area of the Zoo. For example, while conducting a medical

　　experiment in an open field ,scientists have to worry about both the animal they

　　have to worked with, and also other animals nearby .In zoos, however ,they need

　　only worry about the research subject.

　　In the wilderness, animals are also much harder to track and monitor. Zoos

　　make research less time-consuming and expensive. Long term follows-ups are

　　easier too, since even with monitors, wild animals often are killed and

　　disappear. In zoos, researchers can observe an animal’s entire life span.

　　Overall , I feel that properly managed zoos provide excellent opportunities

　　for education and research, and are therefore very useful .

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