1.根据“Why do people yawn (打哈欠) ? It is a way to get more oxygen.”可知答案。2.根据“Yawning is one thing that newborn babies do often.”可知答案。3.根据“When people are sleepy, they yawn to help stay awake. ”可知答案。4.根据“When one person yawns, others often begin t...
1.根据When people are sleeping, they yawn to help stay awake. 可知后一句在解释原因。 2.根据When one person yawns, others often begin to yawn, too. 可知打哈欠会感染他人。 3.根据Watch how soon others begin to yawn.可知上文提到前提。 4.根据See if the fact可知空处与前文When one person ...
【题目】 Why do people yawn(打呵欠)? It is a way to get more oxygen(氧气). When people are sleepy, they yawn to help stay awake. This is because of fresh oxygen. Yawning is one thing that newborn babies do often. When one person yawns, others often begin to yawn, too. Once a ...
your friend yawns, you yawn. knowing which section of the brain is involved is only part of the answer. there is still a deeper question of 'why'. and we don't only yawn when others do, we sometimes yawn alone. so, let's start wi...
If it does, next time you yawn in company, don’t feel too embarrassed. You’re just showing off yourpeople 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 physiolog...
Why do people yawn ( 打哈欠)? It is a way to get more oxygen ( 氧气 ). When people are sleepy, they yawn to help stay___. This is because fresh oxygen helps. Yawning is one thing that new-born___often do. When one person yawns, others often begin toyawn,too. Once, a___of...
Human people are not the only creatures(生物) that yawn. Almost all animals do it. Even small mice and huge elephants have been yawning. 根据短文判断正误, 判断正(A)误(B)题。 【1】Yawning is a way to get more oxygen. 【2】Newborn babies do not know how to yawn. ...
David G. asks: Why do people yawn? Do other animals do this too? Babies, dogs, cats, birds, mice, rats and even snakes yawn, and some of us were even doing it in the womb. Although for thousands of years the reason has remained elusive, recent scholarship may have uncovered the trut...
Sometimes, just seeing other people yawn can set you off. But is this biological function really contagious, and why do we do it in the first place? Many of us think we open our mouths when we yawn to take in more oxygen, but in fact it appears there is no clear biological reason....
Why do people yawn(打呵欠) It is a way to get more oxygen(氧气). When people are sleepy, they yawn to help stay awake. This is because of fresh oxygen. Yawning is one thing that newborn babies do often.When one person yawns, others often begin to yawn, too. Once a film of someo...