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Nowadays, many of us track our steps wit...

    Nowadays, many of us track our steps with smart watches, pedometers (计步器) or phone apps and are of course thrilled when we reach that all-important daily goal of 10,000 steps. You might_______that this number has appeared after years of research.

The_______number ''10,000'' dates back to a marketing campaign_______shortly before the start of the1964 Tokyo Olympic Games. A company began_______a pedometer called the Manpo-kei: ''man'' meaning 10,000, ''po'' meaning_______and ''kei'' meaning meter. It was hugely _______and the number seems to have stuck. Many buyers are appealed by the new device.

Since then, studies have_______the health benefits of 5,000 with 10,000 steps and, not _______the higher number is better. But until recently, all the_______between hadn’t been studied. I-Min Lee, a professor of________at Harvard Medical School, and her team________a group of more than 16,000 women in their seventies. Each woman spent a week________a device to measure movement during________hours. When they________the women up an average of four years and three months later, 504 died. How many steps do you think the people alive had been doing? In fact, the average number for________was only 5,500 but not 10,000. Women who took more than 4,000 steps a________were significantly more likely to still be alive than those who did only 2,700 steps. It's surprising that such a small________could have consequences for longevity (寿命).

However, physical conditions________from person to person, and we should do it wisely. So count if you find it ________ you, but remember there’s nothing special about 10,000 steps. Set the goal that is________for you.

1.A.assume B.admit C.acquire D.afford

2.A.delicate B.ordinary C.abstract D.magic

3.A.recommended B.launched C.stated D.commanded

4.A.marketing B.purchasing C.manufacturing D.donating

5.A.walkers B.runners C.steps D.numbers

6.A.thoughtful B.successful C.plentiful D.powerful

7.A.identified B.displayed C.compared D.compromised

8.A.excitingly B.disappointingly C.amusingly D.surprisingly

9.A.signs B.strengths C.symbols D.numbers

10.A.psychology B.mathematics C.medicine D.philosophy

11.A.focused on B.took part in C.got along with D.thought highly of

12.A.associating B.wearing C.undertaking D.claiming

13.A.walking B.sleeping C.running D.shaking

14.A.remarked B.distinguished C.acquainted D.tracked

15.A.women B.deaths C.survivors D.people

16.A.day B.hour C.month D.week

17.A.distance B.growth C.decrease D.difference

18.A.separate B.reflect C.vary D.recover

19.A.distracts B.motivates C.indicates D.accumulates

20.A.challenging B.appropriate C.beneficial D.creative

 

1.A 2.D 3.B 4.A 5.C 6.B 7.C 8.D 9.D 10.C 11.A 12.B 13.A 14.D 15.C 16.A 17.D 18.C 19.B 20.B 【解析】 这是一篇说明文。当我们达到每天1万步这一至关重要的目标时,我们会兴奋不已,文章说明了计步器的来源。以及一项对16000多名70多岁的女性的研究发现每天走超过4000步的女性明显比每天只走2700步的女性寿命更长。如此微小的差异可能会对寿命产生影响,但是由于身体情况的差异也应适当设定目标。 1. 考查动词词义辨析。句意:你可能认为这个数字是经过多年研究得出的。A. assume认为;设想;B. admit承认;C. acquire获得;D. afford付的起。结合后文that this number has appeared after years of research.可知是人们认为的具体内容,故选A项。 2. 考查形容词词义辨析。句意:这个神奇数字的由来可以追溯到1964年东京奥运会召开前不久的一次市场营销活动。A. strange陌生的;B. ordinary普通的;C. abstract抽象的;D. magic神奇的。结合上文可知达到一万步人们就会兴奋不已,可知一万步这是一个神奇的数字。故选D项。 3. 考查动词词义辨析。句意:这个神奇数字的由来可以追溯到一次市场营销活动,活动是1964年东京奥运会召开前不久启动的。A. recommended推荐;B. launched启动;C. stated陈述;D. commanded命令。结合上文a marketing campaign可知这个神奇数字的由来可以追溯到一次市场营销活动,活动是1964年东京奥运会召开前不久启动的。故选B项。 4. 考查动词词义辨析。句意:一家公司开始销售一种名为“man”的计步器:“man”的意思是10000,“po”的意思是台阶,“kei”的意思是用表计量。A. selling出售;B. purchasing购买;C. producing生产;D. donating捐赠。根据下文Marty buyers are appealed by the new gadget.可知是出售计步器。故选A项。 5. 考查名词词义辨析。句意:一家公司开始销售一种名为“man”的计步器:“man”的意思是10000,“po”的意思是步子,“kei”的意思是用表计量。A. walkers步行者;B. runners奔跑者;C. steps步子;D. numbers数字。结合上文pedometer可知计步器是用来计算步数的,故此处po的意思是步子,故选C项。 6. 考查形容词词义辨析。句意:它取得了巨大的成功。A. helpful有益的;B. successful成功的;C. plentiful丰富的;D. powerful强大的。结合后文Many buyers are appealed by the new gadget.可知这个产品取得了巨大的成功。故选B项。 7. 考查动词词义辨析。句意:从那以后,研究比较了5000步和10000步的健康益处,毫不奇怪,步数越高越好。A. known知道;B. displayed展示;C. compared比较;D. shown展示。结合下文the health benefits of 5,000 with 10,000 steps可知是在比较这个数字的健康益处,故选C项。 8. 考查副词词义辨析。句意:从那以后,研究比较了5000步和10000步的健康益处,毫不意外,步数越高越好。A. excitingly激动地;B. disappointingly失望地;C. amusingly有趣地;D. surprisingly出人意料地。结合常识可知,人们走得步数越多越有益,这毫不意外。故选D项。 9. 考查名词词义辨析。句意:但直到最近,两个数字之间的所有数字都没有被研究过。A. signs标志;B. strengths优势;C. symbols象征;D. numbers数字。上文列举的5,000 with 10,000 steps是数字,此处指五千和一万当中的数字没有被研究过,故选D项。 10. 考查名词词义辨析。句意:哈佛大学医学院的医学教授I-Min Lee和她的研究小组对16000多名70多岁的女性进行了研究。A. science科学;B. law法律;C. medicine医学;D. history历史。根据下文at Harvard Medical School可知是哈佛医学院的医学教授。故选C项。 11. 考查动词短语辨析。句意:哈佛大学医学院的医学教授I-Min Lee和她的研究小组集中研究了16000多名70多岁的女性。A. focused on关注;集中于;B. took part in参加;C. got along with相处;D. thought highly of高度评价。结合下文a group of more than 16,000 women可知选取了一万六千名女性进行集中研究。故选A项。 12. 考查动词词义辨析。句意:每位女性都佩戴了一个测量行走时间的设备,为期一周。A. taking带走;B. wearing穿着;佩戴;C. holding持有;D. bringing带来。结合下文a device to measure movement可知是佩戴了一个测量行走时间的设备。故选B项。 13. 考查动词词义辨析。句意:每位女性都佩戴了一个测量行走时间的设备,为期一周。A. walking步行;B. sleeping睡觉;C. running奔跑;D. shaking摇晃。结合下文Women who took more than 4,000 steps可知设备是用来测量行走时间的。故选A项。 14. 考查动词词义辨析。句意:当他们追踪这些妇女平均4年3个月后,504人死亡。A. asked询问;B. spied侦探;C. found发现;D. followed追踪。结合后文the women up an average of four years and three months later可知他们追踪了这些女性4年3个月。故选D项。 15. 考查名词词义辨析。句意:事实上,平均幸存者人数只有5500人,而不是10000人。A. women女人;B. deaths死亡;C. survivors幸存者;D. people人们。结合下文was only 5,500 but not 10,000可知除去死亡的人数504人,幸存的人数只有5500人,而不是1000人。故选C项。 16. 考查名词词义辨析。句意:每天走超过4000步的女性明显比每天只走2700步的女性寿命更长。A. day天;B. hour小时;C. month月;D. week周。结合上文took more than 4,000 steps中的数字可知4000步应当是一个人一天所走的步数,其他选项均不符合语境。故选A项。 17. 考查名词词义辨析。句意:令人惊讶的是,如此微小的差异可能会对寿命产生影响。A. distance距离;B. growth成长;C. decrease减少;D. difference不同;差异。结合上文4000步和2700步这是微小的差异却可能会对寿命产生影响。故选D项。 18. 考查动词词义辨析。句意:然而,身体状况因人而异,我们应该明智地去做。A. separate分离;B. reflect反映;C. vary变化;D. come来。根据下文from person to person,and we should do it wisely.可知身体状况因人而异,我们应该明智地去做。短语vary from“不同”,故选C项。 19. 考查动词词义辨析。句意:所以,如果你发现它能激励你,那就计步数吧,但记住,一万步并没有什么特别之处。A. distracts分心;B. motivates促使;C. pulls拉;D. defeats打败。结合上文So count if you find it可知如果你发现它能激励你,那就计步数吧。故选B项。 20. 考查形容词词义辨析。句意:设定适合自己的目标。A. challenging挑战的;B. appropriate合适的;C. beneficial有益的;D. creative创造性的。结合上文人与人的身体情况不同,因此要按自身情况设定适合自己的目标。故选B项。
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Do Actions Speak Louder than Words?

Our society is fast paced. We are all rushing from one place to the next, blowing our horn at slow drivers who may be singing songs in the car with their children or pointing out some interesting sights. We don't have time for that silliness today. But we try to say to ourselves that we will make time for fun tomorrow. It is time to take a few deep breaths and think about our actions and our words. 1.

Have you ever really thought about the saying “Actions speak louder than words”? Think about it now. If you say one thing and act in an opposite way, will the words be ignored and just the actions remembered? I don’t think so. 2. It is also equally important to use words to show appreciation, love, approval and happiness and then follow those words with a hug, pat on the back or smile.

3. What about that saying? True? Yes! Words carry a lot of weight and will be remembered for years especially when they are written down. Mean words can hurt for that moment and for a lifetime. I am sure that each of us remembers a time when a friend made an unkind comment. 4. Let’s not be a member of that “club”. When was the last time that you hid a love note in a lunch box or in your mate’s coat pocket? If you want to see a bright smile, that will do it! The power of this written note will be remembered for many days, even years.

“I can live for two months on a good compliment(夸奖)”, said Mark Twain. Children grow stronger when they feel appreciated and understood. 5. A perfect way to turn a bad day around is to praise your child. “I noticed that your hair looked very nice today.” “Did you hang your coat up all by yourself?” It is amazing how those few words can change a child's outlook... almost immediately. Don’t stop there... One of my sisters ended a phone conversation with three words -“I love you”! Boy, that put a spring in my step! Mark Twain is right. I still feel the positive effect of those three little but very powerful words.

A.The pen is more powerful than the sword.

B.Is it really reasonable to do something like that?

C.Do they display the attitude that we want to convey?

D.It is important to have your words match your actions.

E.Behavior is a mirror in which everyone shows his image.

F.Those words did lasting damage to you, the relationship or both.

G.Don’t be afraid to shower your child with encouraging words all day long.

 

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    How does an ecosystem(生态系统)workWhat makes the populations of different species the way they areWhy are there so many flies and so few wolvesTo find an answerscientists have built mathematical models of food websnoting who eats whom and how much each one eats.

With such modelsscientists have found out some key principles operating in food webs. Most food websfor instanceconsist of many weak links rather than a few strong ones. When a predator(掠食动物)always eats huge numbers of a single prey(猎物),the two species are strongly linkedwhen a predator lives on various speciesthey are weakly linked. Food webs may be dominated by many weak links because that arrangement is more stable over the long term. If a predator can eat several speciesit can survive the extinction(灭绝)of one of them. And if a predator can move on to another species that is easier to find when a prey species becomes rarethe switch allows the original prey to recover. The weak links may thus keep species from driving one another to extinction.

Mathematical models have also revealed that food webs may be unstablewhere small changes of top predators can lead to big effects throughout entire ecosystems. In the 1960sscientists proposed that predators at the top of a food web had a surprising amount of control over the size of populations of other species---including species they did not directly attack.

And unplanned human activities have proved the idea of top-down control by top predators to be true. In the oceanwe fished for top predators such as cod on an industrial scalewhile on landwe killed off large predators such as wolves. These actions have greatly affected the ecological balance.

Scientists have built an early-warning system based on mathematical models. Ideallythe system would tell us when to adapt human activities that are pushing an ecosystem toward a breakdown or would even allow us to pull an ecosystem back from the borderline. Prevention is keywhich scientists says because once ecosystems pass their tipping point(临界点),it is remarkably difficult for them to return.

1.What have scientists discovered with the help of mathematical models of food webs

A.The living habits of species in food webs.

B.The rules governing food webs of the ecosystems.

C.The approaches to studying the species in the ecosystems.

D.The differences between weak and strong links in food webs.

2.A strong link is found between two species when a predator______

A.has a wide food choice B.can easily find new prey

C.sticks to one prey species D.can quickly move to another place

3.What conclusion can be drawn from the examples in Paragraph 4

A.Uncontrolled human activities greatly upset ecosystems.

B.Rapid economic development threatens animal habitats.

C.Species of commercial value dominate other species.

D.Industrial activities help keep food webs stable.

4.How does an early-warning system help us maintain the ecological balance

A.By getting illegal practices under control.

B.By stopping us from killing large predators.

C.By bringing the broken-down ecosystems back to normal.

D.By signaling the urgent need for taking preventive action.

 

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    You can’t walk into the office without Rihanna’s voice singing “work work work work work work” in your head. And that one line from Lady Gaga’s “Bad Romance” still makes you want to scream. These are commonly known as earworm songs—those sticky tunes that continue to play in your head. A recent study finds that more than 90% of adults report hearing earworm songs on a weekly basis.

Fortunately, most people report earworm songs as pleasant. But others find them annoying or even maddening. “Some people are troubled by them to the point that it disturbs life,” says Elizabeth Hellmuth Margulis, a professor at the University of Arkansas who has studied earworm songs.

Margulis says earworm songs tend to have some predictable characteristics. For one thing, they tend to small parts of a song—not the whole track. And “the songs you’ve heard recently also have the most possibility to get stuck in your memory,” she says.

But sometimes something strange and unpredictable can also start a track paying in your head. “Once I was at the doctor’s office and saw a poster of a man who I thought looked like Gaston—a character from Beauty and the Beast,” Margulis recalls. A couple minutes passed, and she realized she couldn’t get “Be Our Guest”, the song in the movie, out of her head, even though she hadn’t thought of the tune in years. In that instance, she was able to identify her earworm’s trigger: the Gaston-looking man in the poster. “But the connections can be really unclear,” she says.

Margulis points out that, in all of human history, recorded music is a very new phenomenon. She says some have inferred that earworm songs are also new—the unintended consequence of being able to hear the same song played everywhere in the same way over and over again. So far, the convincing explanation for why human beings experience earworm songs remains a mystery. But there are some well-established ways to cast off the earworm songs.

“Finding a mentally demanding task and putting your mind on it usually shifts attention away from internal music. People tend to get earworms when performing tasks that don’t require their full attention—stuff like doing the dishes,” Margulis says.

Chewing gum can also help. When a song is stuck in our heads, it’s almost like we’re singing along with it. If you make your mouth do something else—chewing gum, eating a meal or talking with a friend—that can kick out the earworm.

You could also face your enemy. By listening to the full track that includes the passage stuck in your head, you may find “closure” and relief.

1.Which of the following is most likely to be an earworm song?

A.A song made up of simple words.

B.A song heard frequently these days.

C.A song sung by a most famous singer.

D.A song learned during one’s childhood.

2.What does the underlined word “trigger” in Paragraph 4 mean?

A.Type. B.Tune.

C.Cause. D.Characteristic.

3.We can infer that earworm songs may ________.

A.result from modern technology B.be experienced over meals

C.help regain lost memories D.hurt one’s hearing

4.What is mainly talked about in the last three paragraphs?

A.Why we hear earworm songs. B.Where to find earworm songs.

C.When we hear earworm songs. D.How to get over earworm songs.

 

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    I once heard this tale in India, where it is told as if true—though any naturalist would know it couldn’t be. The country is India. A colonial official and his wife are giving a large dinner party. They invite army officers and their wives, and a visiting American naturalist.

A spirited discussion springs up between a young girl who says women are no longer the jumping on a chair at the sight of a mouse and an army officer who disagrees and says, “A woman’s  reaction in any crisis is to scream. And a man has more control than a woman.”

The American scientist does not join in the argument but sits and watches the faces of the other guests. As he stares, he sees a slight strange expression come over the face of the hostess. She gestures to the servant standing behind her chair and whispers to him. The servant’s eyes widen. He turns quickly and leaves the room. Of the guests, none except the American notices this or sees the servant place a bowl of milk on the balcony just outside the open glass doors.

In India, milk in a bowl means only one thing: bait (诱饵) for a snake. The American understands there must be a snake in the room. His eyes move across the room but see nothing. He realizes the snake can only be in one place — under the table.

His first reaction is to jump back and warn the others. But he knows any sudden movement will frighten the animal into striking. He speaks quickly, the tone of his voice so arresting that it quietens everyone. “I want to know what control everyone here has. I will count three hundred—that’s five minutes — and not one of you is to move a muscle. Ready!”

The 20 people sit like stone images while he counts. He is saying, “—two hundred and eighty—”  When out of the corner of his eyes, he sees the snake make for the bowl of milk. Four or five screams ring out as he jumps to close the balcony doors.

“There is your proof!” the host shouts. “A man has just shown us perfect self-control.”

“Just a minute,” the American says, turning to his hostess, “How did you know that snake was in the room?” With a faint smile coming across her face she replies: “Because it was lying across my foot.”

1.What can we conclude from the passage?

A.Women are afraid of mice.

B.The army officer’s opinion is wrong.

C.The American suggests playing a game for entertainment.

D.The hostess has had previous experience catching snakes.

2.Choose the right order of the events given in the passage.

a. The American’s eyes sweep the room but he sees nothing.

b. The American suggests the guests playing a game.

c. Following the instructions, the servant puts out some milk.

d. The hostess is staring ahead, a slight strange look appearing.

e. The American shuts the balcony doors safely, and several screams are let out.

f. The snake edges its way to the bowl of milk.

A.d,c,a,b,f,e B.a,b,c,e,f,d

C.d,f,a,b,c,c D.f,e,c,a,d,b

3.Who has real self-control according to the passage?

A.The American. B.The army officer.

C.The girl. D.The hostess.

4.What may be the best title for the passage?

A.A Heated Argument B.A Striking Dinner Party

C.An Unbelievable Story D.A Smart Hostess

 

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Kids Flying Alone Guide

Helpful tips for children traveling alone

Airline

Age

Fee per child (each way).

Notes

Air Tran

Airways

6 to 8 years old — non-stop or direct flights only

$ 48 for a non-stop flight

Unaccompanied children.

American

6 to 8 years old — non-stop or direct flights only

$ 110

Flights for unaccompanied children cannot be booked online.

British

Airways

7 to 15 years old — can travel alone on connecting flights

$ 60 for flights within UK

Flights for unaccompanied children cannot be booked online.

Frontier

Airlines

6 to 15 years old — non-stop or direct flights or connecting flights

$ 60 for non-stop or direct flights

$120 for connecting flights

Flights for unaccompanied children cannot be booked online.

 

 

Before the flight:

Try to book a morning flight. If it is delayed or canceled, you have the rest of the day to make alternate planes. Make sure your child doesn’t wear any clothing that has his or her name on it, which would make it easier for a stranger to convince a child he can be trusted.

At the airport:

Make sure the flight attendants know that your child is traveling alone. Make sure that he or she will be seated in an area of the aircraft that’s convenient for attendants to keep an eye on — the very front of very back of the aircraft is ideal.

Register your child’s travel plans with the U. S. State Department, which can provide assistance in an emergency. This is a free service.

What to pack:

Cell phone: If your child doesn’t have a cell phone, buy him or her a pay-as-you-go phone at a cell phone retailer (零售店) so he or she has an easy form of communication for emergencies.

Gift cards: Invest in a few pre-paid gift cards worth $ 25 or $ 50, This will reduce the worry of traveling with a large amount of cash.

Family/ friends contact information: Give your child a complete list of names, numbers and addresses of the people who are picking your child up at the airport.

1.How much should you pay if your child aged eleven travels alone on a connecting flight by Frontier Airlines?

A.$ 50. B.$ 75.

C.$ 120. D.$ 160.

2.What can we learn from the passage?

A.Juice or water can’t be brought onto the aircraft.

B.Unaccompanied children can’t fly on the last flight of the day.

C.Pay-as-you-go phones are provided for free at the airport for children without cell phones.

D.Parents can register children’s travel plans with the U. S. State Department for free.

3.Which of the following is recommended for unaccompanied children?

A.Booking them morning flights.

B.Giving them a large amount of cash.

C.Making them sit in the middle of the aircraft.

D.Dressing them in clothing with their names on it.

 

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