Topic(题目)：
Do you agree or disagree with the followingstatement ?A zoo has no useful purpose. Usespecific reasons and examples to explain youranswer.
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 intwo main ways: educating the general public and advancing scientific research.
Zoos can be wonderfully educational places. They provide a safe, controlled environment tolearn about a specific species. Children can feel safe exploring the world of the chimpanzeethere, and adults can learn about and see types of birds they’ve never seen before . Unlike inthe 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 andeasier 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 worryabout 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 researchless time-consuming and expensive. Long term follows-ups are easier too, since even withmonitors, wild animals often are killed and disappear. In zoos, researchers can observe ananimal’s entire life span.
Overall , I feel that properly managed zoos provide excellent opportunities for education andresearch, and are therefore very useful .
重点单词 全部解释
chimpanzee[.tʃimpæn'zi:]n. 黑猩猩
observe[əb'zə:v]v. 观察，遵守，注意到
v. 评论，庆
overall[əuvə'rɔ:l]adj. 全部的，全体的，一切在内的
adv.
track[træk]n. 小路，跑道，踪迹，轨道，乐曲
v. 跟踪
specific[spi'sifik]adj. 特殊的，明确的，具有特效的
n. 特
wilderness['wildənis]n. 荒野，荒地
species['spi:ʃiz]n. (单复同)物种，种类
confined[kən'faind]adj. 幽禁的;狭窄的;有限制的;在分娩中的 v. 限
controversial[.kɔntrə'və:ʃəl]adj. 引起争论的，有争议的
secure[si'kjuə]adj. 安全的，牢靠的，稳妥的
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