Exercise is one of the few factors with a positive role in long-term control of body weight. Unfortunately, that message has not gotten through to the average American, who would rather try switching to "light" beer and low-calorie bread than increase physical efforts. The Centers for Disease Control, for example, found that fewer than one-fourth of overweight adults who were trying to lose weight said they were combining exercise with their diet.
In rejecting exercise, some people may be discouraged too much by caloric-expenditure（热量消耗）charts; for example, one would have to quickly walk hard three miles just to work off the 275 calories in one delicious Danish pastry(小甜饼). Even exercise professionals accept half a point here. "Exercise by itself is a very tough way to lose weight," says York Onnen, program director of the President's Council on Physical Fitness and Sports.
Still, exercise's supporting role in weight reduction is vital. A study at the Boston University Medical Center of overweight police officers and other public employees confirmed that those who dieted without exercise regained almost all their old weight, while those who worked exercise into their daily routine maintained their new weight.
If you have been sedentary (极少活动的) and decide to start walking one mile a day, the added exercise could burn an extra 100 calories daily. In a year's time, assuming no increase in food intake, you could lose ten pounds. By increasing the distance of your walks gradually and making other dietary adjustments, you may lose even more weight. What is said about the average American in the passage?
| A．They tend to hate "light" beer and low-calorie bread. |
| B．They usually ignore the effect of exercise on losing weight. |
| C．Most of them were combining exercise with their diet. |
| D．They know the actors that play a positive role in keeping down body weight. |
"Even exercise professionals accept half a point here" means "They ".
| A．agree that the calories in a small piece of pastry can be easy to work off by exercise |
| B．partially believe diet plays a supporting role in weight reduction |
| C．are not fully convinced that dieting can help maintain one's new weight |
| D．are not sufficiently informed of the positive role of exercise in losing weight |
What was confirmed by the Boston University Medical Center's study?
| A．Controlling one's calorie intake is more important than doing exercise. |
| B．Even occasional exercise can help reduce weight. |
| C．Weight reduction is impossible without exercise. |
| D．One could lose ten pounds in a year's time if there's no increase in food intake. |
What is the author's purpose in writing this article?
| A．To stress the importance of maintaining proper weight. |
| B．To support the statement made by York Onnen. |
| C．To show the most effective way to lose weight. |
| D．To introduce the study of the Boston University Medical Center. |
Urbanization
(2013·高考北京卷)Until relatively recently，the vast majority of human beings lived and died without ever seeing a city.The first city was probably founded no more than 5,500 years ago.__ __In fact，nearly everyone lived on farms or in tiny rural (乡村的) villages.It was not until the 20th century that Great Britain became the first urban society in history—a society in which the majority of people live in cities and do not farm for a living.
Britain was only the beginning. __The process of urbanization—the migration (迁徙) of people from the countryside to the city—was the result of modernization，which has rapidly transformed how people live and where they live.
In 1990，fewer than 40% of Americans lived in urban areas.Today，over 82% of Americans live in cities.Only about 2% live on farms.__ __
Large cities were impossible until agriculture became industrialized.Even in advanced agricultural societies，it took about ninetyfive people on farms to feed five people in cities._ _Until modern times，those living in cities were mainly the ruling elite(精英) and the servants，laborers and professionals who served them.Cities survived by taxing farmers and were limited in size by the amount of surplus food that the rural population produced and by the ability to move this surplus from farm to city.
Over the past two centuries，the Industrial Revolution has broken this balance between the city and the country. _Today，instead of needing ninetyfive farmers to feed five city people，one American farmer is able to feed more than a hundred nonfarmers.
| A．That kept cities very small. |
| B．The rest live in small towns. |
| C．The effects of urban living on people should be considered. |
| D．Soon many other industrial nations became urban societies. |
E．But even 200 years ago，only a few people could live in cities.
F．Modernization drew people to the cities and made farmers more productive.
G．Modern cities have destroyed social relations and the health of human beings.
One might expect that the evergrowing demands of the tourist trade would bring nothing but good for the countries that receive the holidaymakers.Indeed，a rosy picture is painted for the longterm future of the holiday industry.Every month sees the building of a new hotel somewhere.And every month another rockbound Pacific island is advertised as the ‘last paradise(天堂) on earth’．
However，the scale and speed of this growth seem set to destroy the very things tourists want to enjoy.In those countries where there was a rush to make quick money out of seaside holidays，overcrowded beaches and the concrete jungles of endless hotels have begun to lose their appeal.
Those countries with little experience of tourism can suffer most.In recent years，Nepal set out to attract foreign visitors to fund developments in health and education.Its forests，full of wildlife and rare flowers，were offered to tourists as one more untouched paradise.In fact，the nature all too soon felt the effects of thousands of holidaymakers traveling through the forest land.Ancient tracks became major routes for the walkers，with the consequent exploitation of precious trees and plants.
Not only can the environment of a country suffer from the sudden growth of tourism.The people as well rapidly feel its effects.Farmland makes way for hotels，roads and airports；the old way of life goes.The onetime farmer is now the servant of some multinational organization；he is no longer his own master.Once it was his back that bore the pain；now it is his smile that is exploited.No doubt he wonders whether he wasn’t happier in his village working his own land.
Thankfully，the tourist industry is waking up to the responsibilities it has towards those countries that receive its customers.The protection of wildlife and the creation of national parks go hand in hand with tourist development and in fact obtain financial support from tourist companies.At the same time，tourists are being encouraged to respect not only the countryside they visit but also its people.
The way tourism is handled in the next ten years will decide its fate and that of the countries we all want to visit.Their needs and problems are more important than those of the tourist companies.Increased understanding in planning worldwide tourism can preserve the market for these companies.If not，in a few years’ time the very things that attract tourists now may well have been destroyed.What does the author indicate in the last sentence of Paragraph 1?
| A．The Pacific island is a paradise. |
| B．The Pacific island is worth visiting. |
| C．The advertisement is not convincing. |
| D．The advertisement is not impressive. |
The example of Nepal is used to suggest________.
| A．its natural resources are untouched |
| B．its forests are exploited for farmland |
| C．it develops well in health and education |
| D．it suffers from the heavy flow of tourists |
What can we learn about the farmers from Paragraph 4?
| A．They are happy to work their own lands. |
| B．They have to please the tourists for a living. |
| C．They have to struggle for their independence. |
| D．They are proud of working in multinational organizations. |
Which of the following determines the future of tourism ?
| A．The number of tourists. |
| B．The improvement of services. |
| C．The promotion of new products. |
| D．The management of tourism. |
The author’s attitude towards the development of the tourist industry is________.
| A．optimistic | B．doubtful |
| C．objective | D．negative |
Home to me means a sense of familiarity and nostalgia(怀旧)．It’s fun to come home.It looks the same.It smells the same.You’ll realize what’s changed is you.Home is where we can remember pain，love，and some other experiences：We parted here；My parents met here；I won three championships here.
If I close my eyes，I can still have a clear picture in mind of my first home.I walk in the door and see a brown sofa surrounding a low glasstop wooden table.To the right of the living room is my first bedroom.It’s empty，but it’s where my earliest memories are.
There is the dining room table where I celebrated birthdays，and where I cried on Halloween－when I didn’t want to wear the skirt my mother made for me.I always liked standing on that table because it made me feel tall and strong.If I sit at this table，I can see my favorite room in the house，my parents’ room.It is simple：a brown wooden dresser lines the right side of the wall next to a television and a couple of photos of my grandparents on each side.Their bed is my safe zone.I can jump on it anytime－waking up my parents if I am scared or if I have an important announcement that cannot wait until the morning.
I’m lucky because I know my first home still exists.It exists in my mind and heart，on a physical property(住宅) on West 64th street on the western edge of Los Angeles.It is proof I lived，I grew，and I learned.
Sometimes when I feel lost，I lie down and shut my eyes，and I go home.I know it’s where I’ll find my family，my dogs，and my belongings.I purposely leave the window open at night because I know I’ll be blamed by Mom.But I don’t mind，because I want to hear her say my name，which reminds me I’m home.Why does the author call her parents’ bed her “safe zone”(Paragraph 3)?
| A．It is her favorite place to play. |
| B．Her needs can be satisfied there. |
| C．Her grandparents’ photos are lined on each side. |
| D．Her parents always play together with her there. |
What can be learned from the passage?
| A．The old furniture is still in the author’s first bedroom. |
| B．The author can still visit her first physical home in Los Angeles. |
| C．The author’s favorite room in her first home is the dining room. |
| D．Many people of the author’s age can still find their first physical homes. |
Sometimes when she feels lost，the author will________.
| A．open the window at night |
| B．lie down in bed to have a dream |
| C．try to bring back a sense of home |
| D．go to Los Angeles to visit her mom |
What is the author’s purpose of writing this passage?
| A．To express how much she is attached to her home. |
| B．To declare how much she loves her first house. |
| C．To describe the state of her family. |
| D．To look back on her childhood. |
“People are ruder today because they are rushed and more ‘time poor’ than ever before，”says Patsy Rowe，“ Manners_have_fallen_off_the_radar(雷达)．”Due to our strong attraction to electronic equipment it is a wonder more people don’t wake up each morning and greet the singing birds with a complaint(抱怨)about the noise.Here are some examples of rudeness.
Some people prefer to do almost everything over the internet.To them，dealing with an actual human is like an evolutionary step backward.It feels very slow because humans don’t work at 4G speeds.When you have dinner with friends，you will often notice someone paying more attention to his mobile phone.We have programmed ourselves to think that every new message brings lifechanging news，so taking calls and checking our texts are more important than talking to the people we are with.What is worse，some people even tend to send anonymous(匿名的) rude messages by email.
However，rudeness is never acceptable.Don’t assume it is OK to be rude if the person you’re in touch with won’t recognize you.If you have something awful to say，have the courage to face the person and say it，write a letter or email and sign it，or forget it.Upsetting people with unsigned messages is cruel and disgusting.
We shouldn’t blame technology for our shortcomings.Technology is here to help us，but we should not allow it to take over our lives.An important step ia acknowledging our shortcomings.People spend a lot of time pointing out bad manners but it would be even more helpful if we’d publicly acknowledge good manners when we see them.What can be inferred from the underlined sentence in Paragraph 1?
| A．People can tell good from bad behavior. |
| B．Radar is able to observe human behavior. |
| C．People care little about their behavior. |
| D．Radar can be used to predict human behavior. |
Some people are less willing to deal with humans because________.
| A．they are becoming less patient |
| B．they are growing too independent |
| C．they have to handle many important messages |
| D．they have to follow an evolutionary step backward. |
The author thinks sending unsigned awful messages is________.
| A．ridiculous | B．disgusting |
| C．acceptable | D．reasonable |
What can we learn from the last paragraph?
| A．We should applaud good behavior. |
| B．Technology can never be blamed. |
| C．We should keep pointing out mistakes. |
| D．Technology will take over our lives one day. |
Mark Twain has been called the inventor of the American novel.And he surely deserves additional praise：the man who popularized the clever literary attack on racism.
I say clever because antislavery fiction had been the important part of the literature in the years before the Civil War.H.B.Stowe’s Uncle Tom’s Cabin is only the most famous example.These early stories dealt directly with slavery.With minor exceptions，Twain planted his attacks on slavery and prejudice into tales that were on the surface about something else entirely.He drew his readers into the argument by drawing them into the story.
Again and again，in the postwar years，Twain seemed forced to deal with the challenge of race.Consider the most controversial，at least today，of Twain’s novels，Adventures of Huckleberry Finn.Only a few books have been kicked off the shelves as often as Huckleberry Finn，Twain’s most widely read tale.Once upon a time，people hated the book because it struck them as rude.Twain himself wrote that those who banned the book considered the novel“trash and suitable only for the slums(贫民窟)．”More recently the book has been attacked because of the character Jim，the escaped slave，and many occurrences of the word nigger.(The term Nigger Jim，for which the novel is often severely criticized，never appears in it.)
But the attacks were and are silly—and miss the point.The novel is strongly antislavery.Jim’s search through the slave states for the family from whom he has been forcibly parted is heroic.As J．Chadwick has pointed out，the character of Jim was a first in American fiction—a recognition that the slave had two personalities，“the voice of survival within a white slave culture and the voice of the individual：Jim，the father and the man.”
There is much more.Twain’s mystery novel Pudd’nhead Wilson stood as a challenge to the racial beliefs of even many of the liberals of his day.Written at a time when the accepted wisdom held Negroes to be inferior (低等的) to whites，especially in intelligence，Twain’s tale centered in part around two babies switched at birth.A slave gave birth to her master’s baby and，for fear that the child should be sold South，switched him for the master’s baby by his wife.The slave’s lightskinned child was taken to be white and grew up with both the attitudes and the education of the slaveholding class.The master’s wife’s baby was taken for black and grew up with the attitudes and intonations of the slave.
The point was difficult to miss：nurture (养育)，not nature，was the key to social status.The features of the black man that provided the stuff of prejudice—manner of speech，for example—were，to Twain，indicative of nothing other than the conditioning that slavery forced on its victims.
Twain’s racial tone was not perfect.One is left uneasy，for example，by the lengthy passage in his autobiography (自传) about how much he loved what were called“nigger shows”in his youth—mostly with white men performing in blackface—and his delight in getting his mother to laugh at them.Yet there is no reason to think Twain saw the shows as representing reality.His frequent attacks on slavery and prejudice suggest his keen awareness that they did not.
Was Twain a racist? Asking the questioning the 21st century is as wise as asking the same of Lincoln.If we read the words and attitudes of the past through the“wisdom”of the considered moral judgments of the present，we will find nothing but error.Lincoln，who believed the black man the inferior of the white，fought and won a war to free him.And Twain，raised in a slave state，briefly a soldier，and inventor of Jim，may have done more to anger the nation over racial injustice and awaken its collective conscience than any other novelist in the past century.How do Twain’s novels on slavery differ from Stowe’s?
| A．Twain was more willing to deal with racism. |
| B．Twain’s attack on racism was much less open. |
| C．Twain’s themes seemed to agree with plots. |
| D．Twain was openly concerned with racism. |
Recent criticism of Adventures of Huckleberry Finn arose partly from its________.
| A．target readers at the bottom |
| B．antislavery attitude |
| C．rather impolite language |
| D．frequent use of“nigger” |
What best proves Twain’s antislavery stand according to the author?
| A．Jim’s search for his family was described in detail. |
| B．The slave’s voice was first heard in American novels. |
| C．Jim grew up into a man and a father in the white culture. |
| D．Twain suspected that the slaves were less intelligent. |
The story of two babies switched mainly indicates that________.
| A．slaves were forced to give up their babies to their masters |
| B．slaves’ babies could pick up slaveholders’ way of speaking |
| C．blacks’social position was shaped by how they were brought up |
| D．blacks were born with certain features of prejudice |
What does the underlined word “they” in Paragraph 7 refer to?
| A．The attacks. |
| B．Slavery and prejudice. |
| C．White men. |
| D．The shows. |
What does the author mainly argue for?
| A．Twain had done more than his contemporary writers to attack racism. |
| B．Twain was an admirable figure comparable to Abraham Lincoln. |
| C．Twain’s works had been banned on unreasonable grounds. |
| D．Twain’s works should be read from a historical point of view. |
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