考研英语2翻译参考答案：
原文：In the past, people used to believe that intelligence was something fixed, like a muscle that could be strengthened through exercise. However, recent research has shown that intelligence is not fixed but can be developed through learning and practice.
参考答案：在过去，人们常常认为智力是一种固定不变的特质，就像肌肉可以通过锻炼来增强一样。然而，最近的研究表明，智力并非固定不变，而是可以通过学习和实践来发展和提升。
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