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Here's a familiar story.You're sitting at the dinner table with a furry, four-

legged friend scratching at your feet.When you look down, those cute eyes are almost impossible to resist.

What is it about a dog's gaze that makes it so charming? A new study by Japanese scientist Miho Nagasawa seems to have found the answer, and it has to do with something called the cuddle(爱抚)chemical.

The cuddle chemical has another, more scientific name: oxytocin.Oxytocin is a substance in the blood that encourages bonding.Levels of oxytocin increase, for example, when a mother feeds her newborn baby.According to Nagasawa's study, the same is true when we look deeply into the eyes of a dog.

The results of this study can tell us a lot about the history of the bond between humans and dogs.It all started somewhere tens of thousands of years ago.Scientists believe that wolves used to follow humans who were hunting large animals.The wolves would eat the food left behind by the humans.

Humans realized that they could use the wolves to help with the hunt, and eventually both species began to work together toward survival.

Over time, the wolves that interacted with the humans began to change.They became more loyal to their human partners.The wolves and humans started to depend on each other and bond with each other.These changes are what caused some of the wolves to turn into what we now know as dogs, a new specie evolved to better survive in their environment.

This process depended a great deal on the bond humans formed with them.And according to Nagasawa's study, this bond was formed with the help of oxytocin, the cuddle chemical.

11.What do we know about oxytocin?()

A.It regulates blood flow

B.It promotes bonding

C.It is in the human gene

D.It is good for health

12.When we look deeply into a dog's eyes, the levels of our oxytocin ____.

A.reduce over time

B.go either up or down

C.are on the rise

D.remain unchanged

13.At the beginning wolves followed humans to ____.

A.eat the food left by humans

B.guard against large animals

C.take humans for food

D.hunt large animals together

14.Over time some wolves turned into dogs ____.

A.due to their loyalty

B.due to the changing environment

C.for better survival

D.for better cooperation

15.What does Nagasawa9s study aim to do?()

A.Explore the role of human-wolf partnership

B.Show the characteristics of the cuddle chemical

C.Explain the bond between humans and dogs

D.Understand the evolution of species

答案
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更多“Here's a familiar story.You're sitting at the dinner table with a furry, four-”相关的问题

第1题

听力原文:M: It seems to me that I can't find Uncle David's house. It's not far from here,
though.

W: Why not call him? He surely is familiar with here.

Q: What does the woman mean?

(4)

A.She knows where it is.

B.She wants to go to the park.

C.He should get help in finding the way.

D.He can't see the place very well.

点击查看答案

第2题

听力原文:Every year, hand-held devices seem to get smaller and add new features. This year

听力原文: Every year, hand-held devices seem to get smaller and add new features. This year, there's another new addition. Gadgets have gone wireless. Here is one of the most intriguing wireless gadgets available this fall. Samsung has released a new accessory that completes any phone-gaming experience. Designed for the Samsung A600, the game pad brings the familiar hand-held controller feel of computer games to the phone. It also includes features suggesting that the primary use of a cell phone is for making calls. Games will automatically pause for incoming calls, and the phone can be charged during gaming, thanks to a special port on the game pad.

What is being advertised?

A.Digital cameras.

B.A console game.

C.A telephone service.

D.A mobile phone.

点击查看答案

第3题

听力原文:M: Ashley, will you deliver this blueprint to Green Mama's by 3 o'clock or should
I ask Rebecca?

W: I' m sorry, Peter. I am scheduled to meet a client at 2 o'clock, and I don't know how long the meeting will last. Also, Rebecca won't be back until 4.

M: We are understaffed today. Victor just started working here yesterday so he isn' t familiar with things around here. I' m hesitant to ask him.

W: Why don't you ask him? I'll draw a map and explain to him how to get there.

By when does the man want the blueprint to be delivered?

A.By 1:00

B.By 2:00

C.By 3:00

D.By 4:00

点击查看答案

第4题

听力原文:Hello. My name is Ariel Johnson, and I'm the information technology specialist he
re at Overton Finance. I realize that some of you are not familiar with the new computer program we have installed on your computers, so I will demonstrate how easy and simple the Lifemail program is. The director, Laine Montross, has used the program and is very excited about how efficient it is. Our vice-president Maureen Donaldson has said it is twice as better as our old finance text program. I will show you first how to compose and send e-mail, and then how to send attachments and files. Finally, I will show you how to access the company's database from your own computer. Lifemail is famous for being the only banking-related program in the world immune to computer viruses. The seminar should only take about two hours, so let's get started.

What is the purpose of this talk?

A.To show employees how to use Life email.

B.To show employees how to access Financetext.

C.To show employees how to repair computers.

D.To show employees how to register for an online course.

点击查看答案

第5题

听力原文:M: May I help you?W: Yes, please. I need a small toothbrush.M: Soft, medium, or h

听力原文:M: May I help you?

W: Yes, please. I need a small toothbrush.

M: Soft, medium, or hard? And what color would you like, yellow, red, or blue?

W: I prefer the red one. Medium, please.

M: Here you are. Is there anything else?

W: Yes. I need some toothpaste.

M: What brand do you like? Colgate or...

W: Please suggest a good one. I'm not familiar with American brands.

M: This is the kind I use. Do you want a large or a small tube?

W: How much is the large one?

M: $11.40.

W: I'll take it. How much do I owe you in all?

M: Toothbrush, 89 cents; toothpaste, $11.40. $12.29 altogether. Anything else?

W: Are the magazines around here?

M: No. They are on the first counter to the left.

W: Do you have Cars Magazine?

M: We are out of them right now. The next issue comes out tomorrow.

W: Do you have last month's issue of Reader's Digest?

M: I'm sorry. We've sold out. There's usually a copy at the library.

W: I have plenty of time. I'll go there now. Thank you.

(27)

A.Soft and yellow.

B.Hard and red.

C.Medium and blue.

D.Medium and red.

点击查看答案

第6题

Tales From Animal Hospital David Grant David Grant has become a familiar

Tales From Animal Hospital

David Grant

David Grant has become a familiar face to millions of fans of Animal Hospital. Here Dr. Grant tells us the very best of his personal stories about the animals he has treated, including familiar patients such as the dogs Snowy and Duchess, the delightful cat Marigold Serendipity Diamond. He also takes the reader behind the scenes at Harmsworth Memorial Animal Hospital as he describes his day, from ordinary medical cheek-ups to surgery(外科手术). Tales From Animal Hospital will delight all fans of the programme and anyone who has a lively interest in their pet, whether it be cat, dog or snake!

£ 14.99 Hardback 272pp

ISBN 0751304417

Newton: The Last Sorcerer

Michael White

From the author of Stephen Hawking: A Life in Science, comes this colourful description of the life of the world's first modem scientist. Interesting yet based on fact. Michael White's learned yet readable new book offers a tree picture of Newton completely different from what people commonly know about him. Newton is shown as a gifted scientist with very human weaknesses who stood at the point in history where magic(魔术)ended and science began.

£ 18.99 Hardback 320pp Fourth Estate

ISBN 1857024168

Fermat's Last Theorem

Simon Sigh

In 1963 a schoolboy called Andrew Wiles reading in his school library came across the world's greatest mathematical problem: Fermat's Last Theorem (定理). First put forward by the French mathematician Pierre de Fermat in the seventeenth century, the theorem had baffled and beaten the finest mathematical minds, including a French woman scientist who made a major advance in working out the problem, and who had to dress like a man in order to be able to study at the Ecole Polytechnique. Through unbelievable determination Andrew Wiles finally worked out the problem in 1995. An unusual story of human effort over three centuries, Fermat's Last Theorem will delight specialists and general readers alike.

£ 12.99 Hardback 384pp Fourth Estate

ISBN 1857025210

In Michael White's book, Newton is described as______.

A.a person who did not look the same as in many pictures

B.a person who lived a colourful and meaningful life

C.a great but not perfect man

D.an old-time magician

点击查看答案

第7题

Tales From Animal HospitalDavid GrantDavid Grant has become a familiar face to millions of

Tales From Animal Hospital

David Grant

David Grant has become a familiar face to millions of fans of Animal Hospital. Here Dr Grant tells us the very best of his personal stories about the animals he has treated, including familiar patients such as the dogs Snowy and Duchess, the delightful cat Marigold Serendipity Diamond. He also takes the reader behind the scenes at Harms worth Memorial Animal Hospital as he describes his day, from ordinary medical check-ups to surgery(外科手术). Tales From Animal Hospital will delight all fans of the programme and anyone who has a lively interest in their pet, whether it be cat, dog or snake!

£14.99 Hardback 272pp Simon Schuster

ISBN 0751304417

Isaac Newton : The Last Sorcerer

Michael White

From the author of Stephen Hawking.. A life in Science, comes this colourful description of the life of the world's first modern scientist. Interesting yet based on fact. Michael White's learned yet readable new book offers a true picture of Newton completely different from what people commonly know about him. Newton is shown as a gifted scientist with very human weaknesses who stood at the point in history where magic (魔术)ended and science began.

£18.99 Hardback 320pp Fourth Estate

ISBN 1857024168

Fermat's East Theorem

Simon Singh

In 1963 a schoolboy called Andrew Wiles reading in his school library came across the world's greatest mathematical problem.. Fermat's Last Theorem (定理). First put for ward by the French mathematician Pierre de Fermat in the seventeenth century, the theorem had baffled and beaten the finest mathematical minds, including a French woman scientist who made a major advance in working out the problem, and who had to dress like a man in order to be able to study at the Ecole Polyteehnique. Through unbelievable determination Andrew Wiles finally worked out the problem in 1995. An unusual story of human effort over three centuries. Fermat's Last Theorem will delight specialists and general readers alike.

£12.99 Hardback 384pp Fourth Estate

ISBN 1857025210

What is Animal Hospital?

A.A news story.

B.A popular book.

C.A research report.

D.A TV programme.

点击查看答案

第8题

根据材料请回答 31~35 Here's a familiar version of the boy-meets-girl situation.A young

根据材料请回答 31~35

Here's a familiar version of the boy-meets-girl situation.A young man has at last plucked up courage to invite.a young lady to dinner.She has accepted his invitation.He is determined to take her to the best restaurant in town, even if it means that he will be short of money during the month to come.When they get to the restaurant, he finds that the girl is on a diet.She mustn't eat this and that.Oh, but of course, she.doesn't want to spoil his enjoyment, So she let him eat as much fattening food as he wants: it's the surest way to an early grave.They spend a truly memorable evening together and never see each other again.

How miserable dieters are! You can always recognize them from the sad expression on their faces.They spend most of their time consulting calorie charts, gazing at themselves in mirrors and leaping on to weighing-machines in the bathroom.They spend a lifetime fighting a losing battle against spreading hips, protruding tummies and double chins.Some wage (作战,实行)an all-out war on FAT.Mere dieting is not enough.They exhaust themselves doing exercises, sweating in sauna" baths (桑拿浴), being massaged (按摩) by weird(不可思议的,离奇的) machines.Don't think it's only the middle-aged who go in for these fads(一时流行的风尚).Many of these bright young people are suffering from chron- ic malnutrition: they are tiring on nothing but air, water and the goodwill of God.Dieters starve themselves of their own free will; so why are they so miserable? Well, for one thing, they're always hungry.You can't be hungry and happy at the same time.All the horrible concoctions(调制品,混合物) they eat instead' of food leave them permanently dis-satisfied.And, Of course, they're always miserable because they feel so guilty.Hunger just proves too much for them and in the end they lash out and eat five huge cream cakes at a sitting.And who can blame them? At least three times a day they are exposed to tempta-tion.What a torture it is always watching others having piles of mouth-watering food

white; you only have a glass of water! What' s all this self-inflicted (自我打击的) torture (催残) for? Saintly people deprive themselves of food to attain a state of grace.Unsaintly people do so to attain a state of misery.It will be a great day when all the dieters in the world abandon their slimming courses; when they hold out their plates and demand second helpings!

第 31 题 The best title for this passage is

A.On Fat

B.We Should All Grow Fat and Be Happy

C.Many Diseases Are Connected with Fat

D.Diet Deprives People of Normal Life

点击查看答案

第9题

E Tales From Animal Hospital David Grant David Grant has become a familiar face to mil

E

Tales From Animal Hospital

David Grant

David Grant has become a familiar face to millions of fans of Animal Hospital. Here Dr. Grant

tells us the very best of his personal stories about the animals he has treated, including familiar pa-

tients such as the dogs Snowy and Duchess, the delightful cat Marigold Serendipity Diamond. He

also takes the reader behind the scenes at Harmsworth Memorial Animal Hospital as he describes his

day , from ordinary medical cheek-ups to surgery (外科手术) . Tales From Animal Hospital will de-

light all fans of the programme and anyone who has a lively interest in their pet , whether it be cat,

dog or snake !

£14. 99 Hardback 272pp

ISBN 0751304417

Newton : The Last Sorcerer

Michael White

From the author of Stephen Hawking : A Life in. Sciercce , comes this colourful description of the life of the world ' s first modern scientist. Interesting yet based on fact. Michael White ' s learned yet readable new book offers a true picture of Newton completely different from what people commonly know about him. Newton is shown as a gifted scientist with very human weaknesses who stood at the point in history where magic (魔术 ) ended and science began. £ 18. 99 Hardback 320pp Fourth Estate ISBN 1857024168 Fermat ' s Last Theorem Simon Sigh

In 1963 a schoolboy called Andrew Wiles reading in his school library came across the world' s greatest mathematical problem: Fermat ' s Last Theorem(定理) . First put forward by the French mathematician Pierre de Fermat in the seventeenth century, the theorem had baf led and beaten the finest mathematical minds, including a French woman scientist who made a major advance in working out the problem, and who had to dress like a man in order to be able to study at the Ecole Polytechnique. Through unbelievable determination Andrew Wiles finally worked out the problem in1995. An unusual story of human effort over three centuries, Fermat ' s Last Theorem will delight specialists and general readers alike.

£ 12. 99 Hardback 384pp Fourth Estate

ISBN 1857025210

72. In Michael White ' s book, Newton is described as _

[A]a person who did not look the same as in many pictures

[ B ] a person who lived a colourful and meaningful life

[ C] a great but not perfect man

[ D] an old-time magician

点击查看答案

第10题

听力原文:M: Excuse me, can you tell me if this bus goes to the city center?W: No, I'm afra

听力原文:M: Excuse me, can you tell me if this bus goes to the city center?

W: No, I'm afraid I can't. I've only been here for a few days myself.

Why can't the woman give the man direction?

A.She is not familiar with the place.

B.She has never heard the place.

C.She has never taken the bus before.

点击查看答案

第11题

听力原文: Today, "Traveler" invites you to visit London. There are few cities in the world

听力原文: Today, "Traveler" invites you to visit London.

There are few cities in the world which call to mind so many powerful visual images as London, such as Big Ben, the Beefeater in their distinctive uniforms, and of course London's unique red buses. In fact. red has traditionally been the color of choice in London. even including the phone boxes. All these and many other images are familiar, not only to the millions of tourists who visit the city each year, but also to many more millions of people around the world who have never been here. Most tourists choose to travel around London by the subway—which Londoners call the "underground" or, more familiarly, the "tube". London's subway system is the oldest in the world--the first line was constructed in 1860—and it is still one of the most extensive, with over 200 stations and 300 miles of track.

Britain was the first country in the world to introduce parliamentary democracy, and the imposing 19th century Parliament buildings are one of London's main tourist attraction. Britain remains a monarchy to this day, of course, and the Queen's London home, Buckingham Palace, is now open for tourists to visit. And they certainly do visit it: this may possibly be the most photographed building in the world!

Everywhere you go in London there are reminders of Britain's history and traditions, of the days when the British Empire ruled nearly half the world. But ail these powerful images of past glories and triumphs are not always seen so favorably by Londoners themselves. There's often a feeling that visitors to Britain are more interested in her past than in her present or future. London is more than a vast museum of historical treasures, it's also a very dynamic modem city, with as rich a cultural life as you'll find anywhere in the world. London by night is buzzing with activity, with people out to go to a show, a movie, a meal out, or just to wander around. And it doesn't rain in London as often as many people think! The West End of London is sometimes called "Theatreland"; most major British movie and TV stars have appeared on stage here at some point in their careers. Another world-famous British institution is the "pub", which is an abbreviation of the "public house". Once London's pubs were for drinking only, and mainly frequented by men. Today they serve ail kinds of food, and many of them also offer live music, comedy, theatre or other forms of entertainment. And, of course, they welcome young and old, men and women alike. So here we are again in Piccadilly Circus, London's most famous meeting point, as we prepare to leave this unforgettable city. And we're aware, like all visitors to London, of how more we could have seen, if we had more time.

Questions:

23.Which of the following is true?

24.According to the passage, where do tourists take most photographs?

25.Which of the following is true according to the passage?

26.If you want to meet a friend, where are you most likely to go to?

(43)

A.The first line of London's subway system was built in 1816.

B.In London, subway is more often called "underground" or "tube".

C.Poor tourists choose to travel around London by the subway,

D.London's subway system is out of date now.

点击查看答案
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