选项中有两项为多余选项Why do people yawn (打哈 ) ? It is a way to get more oxygen(氧气). When people are sleeping,they yawn to help stay awake.1. . Yawning is one thing that newborn babies do often.When one person yawns, others often begin to yawn, too. Once a film of ...
根据上文Scientists have different theories about why we yawn, but nobody has been able to prove them.可知,科学家们对我们为什么打哈欠有不同的理论,但是没有人能够证明这些理论,故them指的是“理论”,故选C。 (2)题详解: 细节理解题。根据第二段中However, these days more and more scientists are ...
We yawn even without thinking about it.Why do we yawn when we are tired? Some people believe that our bodies yawn when we need moreoxygen. When there are not enough oxygen in ourlungs, our mouth open wide. When we do this, ...
1) Why Do People Yawn? 为什么会打呵欠? 2) yawning[英][jɔ:n] [美][jɔn] 呵欠,打呵欠 3) yawn[英][jɔ:n] [美][jɔn] v.打呵欠 n.呵欠 4) yawningly 打呵欠地 5) yawny['jɔ:ni] 打呵欠的 例句>> 6) suppress a yawn ...
根据文中When people are sleepy, they yawn to help stay awake. This is because of fresh oxygen. 当人们困倦时,他们打哈欠帮助保持清醒。这是因为新鲜的氧气。可知打哈欠可以让人们变得清醒,故填A。 【4】细节理解题。根据文中When one person yawns, others often begin to yawn, too. 当一个人打哈欠...
根据第一段最后一句:Scientists have different ideas aboutwhy we yawn, but no one knows them forsure.科学家们对我们为什么打哈欠有不同的看法,但没有人确切知道。这里知道的内容代指前半句提到的different ideas aboutwhy we yawn,故答案为:A。(2)D解析:细节理解题。根据倒数第二段倒数第二句:When our ...
【解析】 【语篇分析】 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...
【打哈欠会传染吗?】Why do people yawn? Why is yawning contagious? 戳链接:http://t.cn/A6CAfrNK Join this episode of 《#RoundTable圆桌议事# 》for more. (本话题从43:27开始哦)
There are two main ways people yawn: contagious and spontaneous yawning. Spontaneous yawns have physiological triggers, like body temperature — yawning acts as a brain cooling mechanism, lowering brain temperature — and transitions between waking and sleeping. Contagious yawns, on the other hand, ...
网络释义 1. 为什么会打呵欠 ... 45.Why Do People Yawn?为什么会打呵欠? 41. His long boring story made me yawn. 他的冗长的故事听得我直打呵欠. ... dj.iciba.com|基于 1 个网页