一团). Worse, you can’t stop yawning (打哈欠).Yawning is common to humans and many animals. Cats, dogs and fish yawn just like humans do.When you are yawning you open your mouth and breathe (呼吸) deeply ……

to yawning, so it has long been believed that the action makes us feel more awake by stretching (伸展... is that when we see another person yawn, it makes us do it too. In other words, yawning is contagious ……

them ready for bed before they even know it.So if you can’t fall asleep at night, why not try... mind sometimes makes us toss and turn (辗转反侧) all night. Is there any solution to this problem ……

and your hair is a mess. Worse, you can’t stop yawning (打哈欠).Yawning is common to humans and many animals. Cats, dogs and fish yawn just like humans do! Yawning is an action in which you open your mouth ……

are bleary (模糊的) and your hair is a mess. Worse, you can’t stop yawning (打哈欠).Yawning is universal to humans...’t.There are many ideas explaining why we yawn. One idea is that yawning is a way for the body to become more ……

that yawning is contagious (传染的). But why is that?In fact, yawning is not just a sign of sleepiness... or to understand the situation they are in.Contagious yawning shows that you share others’ feelings ……

lion look angry? In fact, he is yawning (打哈欠). Are you yawning, too?A plane is landing (降落) at an...桌面) in 2010. In the pictures you see amazing animals, places and scenery (风景). Let’s take a look ……

you go to bed on time. Set your bedtime on the clock. Then, you can see a character yawning (打哈欠). Also, you can hear the sound of yawning. Are you sleepy now? ……

is. Sometimes you just wish that everything was as simple as “1+1=2”. But wait a minute. Is “1+1=2” really... of us learned. If you have one apple and somebody gives you another, you have two apples. How ……

a few other people will start yawning, too. Even thinking about yawning can get you yawning. How many... other people will start yawning, too. Even thinking about yawning can get you yawning. How many times ……

. __________ If you yawn in class, you’ll probably notice a few other people will start yawning, too. Even thinking about yawning can get you yawning. How many times have you yawned while reading ……

also help us understand the reason why frequent (频繁的) yawning can sometimes be a sign of brain...打哈欠可以给大脑降温。词数 353 建议阅读时间 7分钟YAWNING (打哈欠) sends out certain messages – it can be either “oh ……

a look at some new findings about the brain.DO you know why Albert Einstein was one of the cleverest... brains “cool”. Yawning helps the blood in our bodies move quicker, which makes us more alert (敏锐 ……

Day1Computers in classes (P3)阅读文章并根据文章内容回答问题。1. Why did students from Monte Vista Christian School...... (P4-5)Choose the best answer:1. Why was the author horrified at what she found in her email inbox ……

. “When someone smiles at you, you feel the good feelings from them, which makes you want to pass...努力微笑就会真的开心吗？ 词数 348 建议阅读时间 6分钟 测试见 IV版 “Fake it till you make it” is a common piece of advice given ……