根据文章第二段第二句“What we do know is that yawning happens to just about every kind of plants and animals.”可知选C。 2.细节理解题。题干意为:为什么狗更有可能打哈欠来回应熟人?根据第四段最后两句“This time the researchers...They concluded that dogs can ‘catch' a yawn from humans ...
根据第三段中 scientists found that a yawn can help a warm brain cool down以及第四段中 “Some scientists believe that yawning makes you notice things more quickly."可知,科学家发现打哈欠会帮助大脑 冷静下来,能让你更快地注意到事情。 由此可推知,一些科 学家认为打哈欠对人有好处。 15.B 篇章...
Is yawning actually contagious? James Warwick / Getty Images You're in a conversation with another person and they casually yawn. As you wonder whether they're bored with the discussion, you find that you're yawning, too. Someone walking by, sees you yawn, and pretty soon they yawn. It...
yawns from others. studies have shown we yawn more frequently when in the company of close relatives and friends. could yawning actually help us cement our closest relationships? if it does, next time you yawn in company, don't feel too em...
⑥Facts about Yawning are interesting, but scientists do not spend much time studying it. That is probably because yawning does not hurt. It is just something we do. 1. Why do Olympic runners often yawn before a race? A.A yawn can make them bored or tired. ...
2. Why don’t we think yawning gives you a rush of energy? 3. True or false:Humans and chimpanzees are the only mammals which yawn. 4. Which word means ‘caused something to start’? 5. True or false:The author found Hippocrates’ idea appealing. ...
So why does this happen? Why do yawns not ‘complete’ sometimes? Recommended Video for you: Play Why Can't You Always Complete Yawns? What Is Yawning Anyway? If you have pets, then you know that humans are not the only creatures that yawn. Throughout theanimal kingdom, from birds to...
What about the connection between yawning and tiredness? We certainly yawn more when we’re feeling sleepy or sluggish, but why is this? Theories that it helps give the body extra energy are largely discredited, as we don’t yawn when we exercise, ...
You just need to yawn(打哈欠). But why does it happen? The scientists do not know what a yawn is for. What we do know is that yawning happens to just about every kind of animals. It happens when an animal is tired. Yawning can also take place during the time of disagreement and ...
Could yawning actually help us cement our closest relationships? If it does, next time you yawn in company, don’t feel too embarrassed. You’re just showing off your people skills. 词汇表 contagious 会传染的motor 肌肉运动的,运动神经的cortex (尤指大脑或其他器官的)皮层involuntary 不由自主的...