单选题：Researchers have found that patients' stress levels decrease

题目分类：卫生类
题目类型：单选题
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题目内容：

Researchers have found that patients' stress levels decrease when they __________. A．recover from disease quickly
B．there is not enough hard evidence
C．use their minds actively
D．it improves general well-being
E．listen to musical performances
F．it brings many other benefits

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答案解析：

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分类：卫生类题型：单选题

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分类：卫生类题型：单选题