考研similarly, the physical act of laughter could improve mood.

同样，笑的身体行为可以改善情绪。

2011年考研真题（英语一）完形填空 Section Ⅰ

考研Studies dating back to the 1930's indicate that laughter relaxes muscles, decreasing muscle tone for up to 45 minutes after the laugh dies down.

可以追溯到20世纪30年代的研究表明，笑可以放松肌肉，在笑声消失后45分钟内降低肌肉张力。

2011年考研真题（英语一）完形填空 Section Ⅰ

四级If he keeps the palm of the hand parallel to the floor, as he would in his own culture when making known the height of a child, for example, he will very likely be greeted by laughter, in Colombia this gesture is reserved for the description of animals

如果他保持手掌与地板平行，就像在他自己的文化中，当他说出一个孩子的身高时，他很可能会受到笑声的欢迎，在哥伦比亚，这个手势只用于描述动物

2014年6月听力原文

考研But because hard laughter is difficult to sustain, a good laugh is unlikely to have measurable benefits the way, say, walking or jogging does.

但是因为苦笑很难持久，一个好的笑不太可能像走路或慢跑那样有明显的好处。

2011年考研真题（英语一）完形填空 Section Ⅰ

考研Laughter does produce short-term changes in the function of the heart and its blood vessels, boosting heart rate and oxygen consumption.

笑确实会使心脏及其血管的功能发生短期变化，提高心率和耗氧量。

2011年考研真题（英语一）完形填空 Section Ⅰ

考研In fact, instead of straining muscles to build them, as exercise does, laughter apparently accomplishes the opposite.

事实上，笑并没有像锻炼那样拉紧肌肉来增强肌肉，相反，笑显然起到了相反的作用。

2011年考研真题（英语一）完形填空 Section Ⅰ

考研The room burst into laughter; the man looked puzzled and hurt.

房间里突然爆发出笑声；那人看上去既困惑又受伤。

2010年考研真题（英语二）阅读理解 Section Ⅱ

四级If he keeps the palm of the hand parallel to the floor, as he would in his own culture when making known the height of a child, for example, he will very likely be greeted by laughter, in Colombia this gesture is reserved for the description of animals.

如果他保持手掌与地板平行，就像在他自己的文化中，当他说出一个孩子的身高时，他很可能会受到笑声的欢迎，在哥伦比亚，这个手势只用于描述动物。

2014年6月听力原文

四级Tears are as universal as laughter, and grief is more complex than joy.

眼泪和笑声一样普遍，悲伤比喜悦更复杂。

2014年6月大学英语四级考试真题（第3套）

考研And hours of watching TV shows with canned laughter only teaches kids to processinformation in a passive way.

几个小时的看电视节目，带着罐装的笑声，只会教会孩子们以被动的方式处理信息。

2007年全国硕士研究生招生考试英语试题