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    The study of the 158 nurses found that people with many work demands have stronger immune functions.
    未知类型:{'label': 'questionDesc', 'content': '请根据所给材料判断题干是否正确', 'isMemberControl': 0, 'type': 181}
    未知类型:{'label': 'source', 'content': '粉笔英语独家模拟卷 四级仔细阅读1', 'isMemberControl': 0, 'type': 181}
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