【Earth&Sky】我们为什么打哈欠啊？_英语听力练习mp3下载-科学-沪江听力酷

后台管理反馈贡献

【Earth&Sky】我们为什么打哈欠啊？

听力简介：

听写填空,只写填空内容,不抄全文,4个单词/词组+1个句子,不用写标号,注意标点~今天有hint,大家注意~

hint:
University of Albany

Today, a student from the Caribbean island of Bonaire asks the scientists about something all animals do.

Ziran Chin-On: I'm Ziran, I'm 15 years old and question is why do people yawn?

For an answer, EarthSky asked a neuroscientist at the University of Maryland, Baltimore. He studied yawning for over 30 years – but says why we yawn is still something of a mystery. Here's Dr. Robert Provine.

Robert Provine: Yawning is a curious [---1---] because on one level, you can say that we don't really understand why we do it. So throughout our life, in fact, even before birth, we start yawning. And it's unclear about why we produce this act.

Provine said you might yawn because you're tired, [---2---], or bored.

Robert Provine: What all of these things have in common is a change in state. We're changing from one kind of mood, one kind of exercise level to another. Yawning may help us through these states by stirring up our [---3---].

Yawning is also highly [---4---] – which makes it even more interesting to neuroscientists.

Robert Provine: It gives us insight about how the brain links people together in social patterns.

[---5---] Our thanks to Ziran Chin-On and Dr. Robert Provine.

Thanks also to the Monsanto Fund. I am Joel Block for E&S, a clear voice for science. We are at E&S. org.

【视听版科学小组荣誉出品】