But 1 some claims to the contrary, laughing probably has little influence on physical fitness.
但1一些相反的说法，大笑可能对身体健康影响不大。
11 one classical theory of emotion, our feelings are partially rooted 12 physical reactions.
11 一种经典的情绪理论，我们的情感部分源于 12 生理反应。
20 , the physical act of laughter could improve mood.
20 ，笑的生理行为可能改善情绪。
Last month, Howard Schmidt, the nation’s cyber-czar, offered the federal government a 4 to make the Web a safer place – a “voluntary trusted identity” system that would be the high-tech 5 of a physical key, a fingerprint and a photo ID card, all rolled 6 one.
上个月，国家网络事务协调员霍华德·施密特向联邦政府提出了一个4，以使网络环境更安全——一种自愿可信身份系统，这将是实体钥匙、指纹和照片身份证的高科技5，所有这些功能都整合在6。
Directions: Write a letter of about 100 words to the president of your university, suggesting how to improve students' physical condition.
写作指导：撰写一封约100字的信件，给大学校长，提出改善学生体质的建议。
例句取自历年考研英语真题，翻译为机器生成，仅供学习参考。