聽寫填空,只寫填空內(nèi)容,不抄全文,4個(gè)單詞/詞組+1個(gè)句子,不用寫標(biāo)號(hào),注意標(biāo)點(diǎn)~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.

【視聽版科學(xué)小組榮譽(yù)出品】
behavior anxious physiology contagious Scientists at the University of Albany have also suggested that yawning may cool down our brains.