He Can’s parents left home when she was only four. They only come back for the Spring Festival every year. Because she had to live with different relatives at different times, He Can went to eight different primary schools.    
“I used to complain,” she said. “But later I understood my parents. They have to go away to make a better life for us.” He Can said her frequently (频繁地) changing life also has a good side.    
“When I went to a new school, I had to try to make friends,” said He Can. “I became outgoing. Now I’m not afraid of talking to people.”    
He Can said her relatives were kind to her. They taught her how to cook and wash clothes.     
When He Can was going to start junior high school, her parents agreed to let her live out with her younger sister. She rents a house near the school. Sometimes their grandmother comes over and helps them.    
Every day, He Can gets up at 6:00 am and cooks breakfast. Then the two girls go to school. They have supper at 6:00 pm. Then He Can does chores and helps her sister take a shower. She usually goes to bed at 9:30 pm.    
Though busy, He Can is still a top student in her class. She said the secret is never to put things off until tomorrow.    
“I think my life is OK,” she said. “But if possible, I would like my parents to settle down (安顿下来) and live with us.”

  1. 1.

    Why does He Can live only with her younger sister?

    1. A.
      Because their parents don’t like them.
    2. B.
      Because their parents have to work in a big city.
    3. C.
      Because they enjoy living by themselves.
    4. D.
      Because their schools are too far away from their home.
  2. 2.

    Where did He Can live before she started junior high school?

    1. A.
      In her relatives’ houses.
    2. B.
      In her own house.
    3. C.
      In a house she rented.
    4. D.
      In her school.
  3. 3.

    What does He Can think of changing schools so often?

    1. A.
      She hates it and complains a lot about it.
    2. B.
      She thinks it good for her growth.
    3. C.
      She enjoys it because she can make more friends.
    4. D.
      She thinks it bad for her studies.
  4. 4.

    What is He Can’s secret of being top at studies though busy?

    1. A.
      She often asks her relatives for help.
    2. B.
      She exercises a lot to make herself stronger.
    3. C.
      She gives her sister some work to do.
    4. D.
      She tries to finish everything before going to bed.

Beldon and Canfield are two seashore towns, not far apart. Both towns have many hotels, and in summer the hotels are full of holiday-makers and other tourists.
Last August there was a fire at the Seabreeze Hotel in Beldon. The next day, this news appeared on page two of the town’s newspaper. The Beldon Post:
FIRE AT SEABREEZE
Late last night firemen hurried to the Seabreeze Hotel and quickly put out a small fire in a bedroom. The hotel manager said that a cigarette started the fire. We say again to all our visitors: “Please don’t smoke cigarettes in bed.” This was Beldon’s first hotel fire for five years.
The Canfield Times gave the news in these words on page one:
ANOTHER BELDON HOTEL CATCHES FIRE
Last night Beldon firemen arrived just too late to save clothing, bedclothes and some furniture at the Seabreeze Hotel. An angry holiday-maker said, “An electric lamp probably started the fire. The bedroom lamps are very old at some of these hotels. When I put my bedside light on, I heard a funny noise from the lamp.” We are glad to tell our readers that this sort of adventure does not happen in Canfield.
What are the facts, then? It is never easy to find out the exact truth about an accident. There was a fire at the Seabreeze Hotel last August: that is one fact. Do we know anything else? Yes, we know that firemen went to the hotel.
Now what do you think of the rest of the “news” ?

  1. 1.

    Which of the following best gives the main idea of this text?

    1. A.
      Beldon and Canfield are both good places for tourists in summer.
    2. B.
      A fire broke out night in Seabreeze Hotel last summer.
    3. C.
      It was not easy to find out exact truth from newspapers.
    4. D.
      Two newspapers gave reports on the same matter.
  2. 2.

    Which of the following are probably facts? 
    a. The fire broke out in a bedroom at the hotel.
    b. A cigarette started the fire.
    c. An old lamp started the fire.
    d. The fire broke out at night.
    e. There has never been a fire in Canfield.

    1. A.
      b and c
    2. B.
      a and d
    3. C.
      c and e
    4. D.
      a and c
  3. 3.

    The Canfield Times used the headline like this in order to make its readers think _______. 

    1. A.
      hotels in Beldon often catch fire
    2. B.
      hotels in Beldon don’t often catch fire
    3. C.
      this was the second fire at the Seabreeze Hotel
    4. D.
      Beldon was a good place except that hotels there are not quite safe
  4. 4.

    The Canfield newspaper gave a report just the opposite to the Beldon Post by saying that _______. 

    1. A.
      the bedroom lamps were very old at the Seabreeze Hotel
    2. B.
      the bedroom lights made funny noise when the fire took place
    3. C.
      the firemen failed to save clothing, bedclothes and other things
    4. D.
      such accidents never happened in Canfield for the past 5 years

If you want to be a success, study at the University of Waikato is right for you. The university is internationally recognized for its excellence and achievements. It will help you develop advanced research skills. As a university student you can get first-class research facilities(设备) with trained teachers to help, support and advise you in your study. We pride ourselves on our high standards, our research success and our international recognition. For further information; Inf@waikato ac.nz
Degree
We offer a wide choice of bachelor’s degrees for international students, which includes: Arts, Communication Studies, Social Sciences, etc, Bachelor of Music and Bachelor of Education are only for New Zealand citizens, for further information: deg@waikato ac.nz
Tuition fees(学费)
Tuition fees are different from department to department, generally from $56,000 to $6,000 a year, For further information: tui@waikato ac. nz
Accommodation(住宿)
You can have a room in a 4-bedroom flat, which will cost about $100 a month with other regular living costs of about $150 a month for one person, For further information: acc@waikato ac. nz
Health
The Student Health Service provides excellent medical services for students,. The Medical Centre is open five days a week, including student holidays with four doctors and nurses to meet your medical needs. For further information: heal@waikato ac. nz
Sports
The Centre is a great place to have sports activities. Trained exercise teachers and help you work out a training plan and keep you active., The sports hall has volleyball, basketball and indoor football courts and a swimming pool as well. There are also a large number of sports clubs at Waikato. For further information: sport@ Waikato. ac. nz

  1. 1.

    If you want to get more information about arts, you can write to       .

    1. A.
      sport@waikato.ac.nz
    2. B.
      heal@waikato.ac.nz
    3. C.
      deg@waikato.ac.nz
    4. D.
      inf@wailato.ac.nz
  2. 2.

    You have to pay at least       a year if you study at the University of Waikato.

    1. A.
      $5,250
    2. B.
      $8,000
    3. C.
      $9,000
    4. D.
      $11, 000
  3. 3.

    According to the text, what will you do if you are ill during Christmas holiday?

    1. A.
      Go to a hospital nearby.
    2. B.
      Buy some medicine in a drug store.
    3. C.
      See a doctor at the school medical centre.
    4. D.
      Try to get help form your classmates.

What if you arrived home to find a delicious hot meal waiting for you,prepared by your very own kitchen robot? It might sound like science fiction,but professors at the university of Tokyo have taken the first steps toward making that scenario a reality.The team recently introduced a humanoid kitchen robot that can pour tea and other drinks into cups and serve them to guests.When teatime is over,the robot can also wash the dishes and put them away.
In California,another interesting kitchen robot has been developed.Called the Ready-bot,it can pick up objects and either store them in cabinets or put them in the trash.It also carries a separate floor-cleaning robot that can operate by itself.Unlike the Japanese robot,Readybot is not humanoid.Instead,it looks more like a large box with arms and wheels.
Readybot was created by engineers and designers who established a club called the Readybot Challenge.They believe that in the future millions of robots will be needed in homes to perform ordinary household tasks.Readybot is just the first step in their plan to create a robot that can tackle jobs not only in kitchens but in other rooms of homes and in offices as well.
Clearly there are technological hurdles to overcome before robots can cook a complete dinner,and there are also many safety concerns.Not everyone(especially parents)would be comfortable with the idea of robots in their house,manipulating hot pans and sharp knives.The European Commission recently funded a project to study these concerns.

  1. 1.

    What does the writer imply about the Japanese robot?

    1. A.
      It performs fewer functions than readybot can.
    2. B.
      it looks more like a person than Readybot does.
    3. C.
      It speaks more languages than Readybot does.
    4. D.
      It costs 1ess to manufacture than Readybot does.
  2. 2.

    Where do the engineers and designers hope that Readybot will operate in the future?

    1. A.
      On spacecraft                                            
    2. B.
      In automobiles
    3. C.
      On playgrounds                                         
    4. D.
      At companies
  3. 3.

    What does the writer imply about parents?

    1. A.
      They have shown tremendous interest in kitchen robots.
    2. B.
      They don’t have strong opinions about kitchen robots.
    3. C.
      They might think that kitchen robots could be dangerous.
    4. D.
      They can’t wait to buy kitchen robots for their homes.
  4. 4.

    According to the writer,what has the European Commission done for the project?

    1. A.
      It has built factories                                   
    2. B.
      It has printed manuals
    3. C.
      It has hired workers                                   
    4. D.
      It has provided money

In Western countries people have been using the installment plan since the first half of the twentieth century. Today, a large number of families in Great Britain buy furniture, household goods and cars by installments. In the U. S., the figure is much higher than in Great Britain, and people there spend over 10 percent of their income on the installment plan.
The price of an article bought on installments is always higher than the price that would be paid by cash. There is a charge for interest. The buyer pays one quarter or one third of the price as a down payment when the goods are delivered to him. He then makes regular payments, weekly or monthly, until the full price is paid up. The legal ownership of the goods remains with the seller until the final payment has been made.
Installment buying has advantages and disadvantages. It can help couples with small incomes to furnish their homes and start housekeeping. It increases the demand for goods, and in this way helps business and employment. There is, however, the danger that when business is bad, installment buying may end suddenly, making business much worse. This may result in a great increase in unemployment. If the people on the installment plan lose their jobs, they will probably not be able to make their payments. If great numbers of people are not able to pay their installment debts there is a possibility that businessmen cannot collect their debts and will therefore lose money. If businessmen lose money or fail to make a satisfactory profit, it becomes more likely to have a depression. This is why, in some countries, the government controls the installment plan by fixing the amount of the down payment and installments to discourage people from buying more than they can pay for on the installment plan.

  1. 1.

    Which of the following is NOT true about the installment plan?

    1. A.
      A lot of British families use the installment plan.
    2. B.
      More than 10 percent American families buy things on installments.
    3. C.
      Americans depend more on installment than British people do.
    4. D.
      Americans spend one tenth of their income on installment buying.
  2. 2.

    Goods bought on installments are more expensive than goods bought by cash because ______.

    1. A.
      the buyer has to pay extra money as interest
    2. B.
      the delivery of the goods charges extra money
    3. C.
      the buyer has to pay a down payment
    4. D.
      the service offered by installment plan charged extra money
  3. 3.

    What will happen to a buyer if he fails to make the full payment for an item bought on installments?

    1. A.
      He might lose his job.
    2. B.
      He will stop owning the item he has bought.
    3. C.
      He will have to sell what he has bought.
    4. D.
      He will go into debt.
  4. 4.

    The advantage of installment buying might include all the following EXCEPT that ________.

    1. A.
      purchasing power is strengthened
    2. B.
      employment might be increased
    3. C.
      people develop a good habit of saving money
    4. D.
      young couples are able to furnish their homes
  5. 5.

    In some countries, the governments control the installment plan to ________.

    1. A.
      increase employment
    2. B.
      avoid depressions
    3. C.
      ensure that businesses make good profits
    4. D.
      ensure that people can pay for what hey buy

One of the worst feelings in the world is trying your hardest at something but still falling short. In the case of schoolwork, studying for hours and bringing home disappointing grades may make you feel hopeless or helpless, but this is far from the truth. If you are dealing with disappointing grades, promise to change your study habits and you'll be amazed by the results.
Act Fast
The most important rule about dealing with disappointing grades is to act fast. Don't sit around and let them get worse, and definitely don't ignore them. Instead, admit that you need help and go in search of it soon. The faster you face up to the problem, the faster you can find a solution and see some results.
Tweak your routine
If you are studying hard and still dealing with disappointing grades, it's probably time to tweak your routine a little. Remember, if you keep doing the same thing all the time you'll undoubtedly keep getting the same results. Mix things up by asking for help, whether from a friend or fellow student, your teacher or a private tutor. Ask for help with the subject matter and tips for studying on your own.
Study Successfully
Of course it doesn't matter where you study or who you study with if you are studying the wrong things. Make sure that you are studying successfully by:
*Reviewing your textbooks.
*Looking over your notes from class.
*Taking new notes while you study.
*Investing in study guides.
*Answering all of the review questions you can find.
*Talking through events or concepts that are integral (整体) to your lessons.
Learn From Your Mistakes
If, after all of your changes and redoubling your study efforts, you are still disappointed with your grades, then it is time to figure out exactly where you are going wrong. Look over exam papers and assignments to see if you are having trouble with a particular kind of question (multiple choice, true or false, etc.) or concept. Examine your essays to see if you are explaining your ideas clearly and completely, or if it is the mechanics of your writing (spelling, grammar, etc.) that is letting you down. Request an appointment with your teacher and use this time to discuss your work and get his/her feedback as well.
Dealing with disappointing grades is something that every student will face at one time or another. It won't be fun, but take a realistic look at your attention in class, your study habits and your performance on past assignments and exam. Figure out where you are having trouble and dedicate yourself to fixing these problems.

  1. 1.

    The purpose of this passage is _______.

    1. A.
      to introduce practical ways to solve worrying school problems
    2. B.
      to persuade students to change their attitude toward schoolwork
    3. C.
      to offer advice on how to improve academic grades at school
    4. D.
      to emphasize the importance of dealing with disappointing grades
  2. 2.

    The underlined phrase to tweak your routine means _______.

    1. A.
      to stick to the same study plan and seek help when possible
    2. B.
      to mix things up before you work out a practical solution alone
    3. C.
      to examine your everyday life to make room for self improvement
    4. D.
      to make necessary alterations in your study habits and plans
  3. 3.

    According to the passage, it is desirable to _______.

    1. A.
      adopt a great variety of successful study methods and work on your own
    2. B.
      have a study partner who act fast to face up a problem and study successfully
    3. C.
      find out your weak points by reviewing schoolwork and seek necessary help
    4. D.
      make an appointment with your teachers and develop useful examination skills
  4. 4.

    The author of this passage is probably a(an) _______.

    1. A.
      psychologist        
    2. B.
      examiner      
    3. C.
      parent        
    4. D.
      instructor
  5. 5.

    The author thinks that dealing with disappointing grades calls for _______.

    1. A.
      a strong will power                    
    2. B.
      a down-to-earth attitude
    3. C.
      creativity and dedication                
    4. D.
      undivided attention

In the future your automobile will run on water instead of gas! You will be able to buy a supercomputer that fits in your pocket! You might even drive a flying car!
Not all past predictions have been proved wrong. A few of them have been surprisingly accurate (正确无误). Some great thinkers predicted the arrival of the credit card, the fax machine and even the internet years before they happened. But for each prediction that has come true, some others have missed by a mile. Many of these predictions didn’t consider how people would want to use the technology or if people really needed it in their lives or not. Let’s look at some predictions from the not-too-distant past.
Robot Helpers
Where’s the robot in my kitchen? Nowhere, of course. And he’s probably not coming anytime soon. Robots do exist today, but mostly in factories and other working environments.
Back in the 1950s, however, people said that by now personal robots would be in most people’s homes.
So why hasn’t happened? Maybe because robots are still too expensive and clumsy(笨拙的). And probably the idea of robots cooking our dinners and washing our clothes is just too strange. At home we seem to be doing fine without them.
Telephones of tomorrow?
In 1964 an American company introduced the video telephone. They said by the year 2000 most people would have a video phone in their homes. But of course the idea hasn’t caught on yet.
Why? The technology worked fine, but it overlooked (忽略) something obvious: people desire for privacy. Would you want to have a video phone conversation with someone after you just stepped out of the shower?
Probably not — it could be uncomfortable! Just because technology doesn’t always mean people will want to use it.
And finally, how about that crazy prediction of the flying car? It’s not so crazy any more! But a flying car remains one of the most wonderful technology ideas to catch our imagination. Keep watching the news or perhaps the sky outside your window to see what the future will bring.

  1. 1.

    The passage mainly deals with______.

    1. A.
      predictions that can catch our imagination
    2. B.
      predictions that haven’t come true
    3. C.
      new technology can benefit our life
    4. D.
      predictions that have come true
  2. 2.

    According to the passage, which of the following statements is NOT true?

    1. A.
      Technology doesn’t always mean people will want to use it.
    2. B.
      Predictions don’t need to consider people’s practical use of the technology.
    3. C.
      Not all the high-tech things people thought we’d be using by now are widely used.
    4. D.
      High-tech things are not always convenient to people’s life.
  3. 3.

    Robot Helpers haven’t been used in most people’s homes because ______.

    1. A.
      using the kind of robots at home is simply a waste of time and money
    2. B.
      the kind of robots hasn’t been developed yet
    3. C.
      people find it difficult to control the kind of robots
    4. D.
      the kind of robots won’t bring people practical use
  4. 4.

    How does the writer find the flying car?

    1. A.
      It is too difficult to imagine.       
    2. B.
      It is too crazy an idea to realize.
    3. C.
      It is likely to appear in the future.   
    4. D.
      It has been the focus of the news.

Andrew’s heart missed a beat. This time he would have to do it. Do or Die! A sense of urgency gripped him. Somehow he must prove himself to his father.
It was now the end of the day and the shop was being closed. The assistant employed by his father, called Mike, chuckled and put his arms round poor Andrew to comfort him,“ Sort it out yourself. It’s gotta come from yourself.” he said.
The shop was located in a bustling shopping center. Andrew left the shop and walked round the complex aimlessly and by chance entered a large bookstore. He glanced at the books and was about to leave when his eyes caught some interesting titles:‘ How to increase your confidence,’‘ The art of communication,’‘How to sell well’amongst others.
The next minute he was out of the store with the shopping bag bugling with books. In his apartment (for he loves separately from his parents and little sister),he settled himself in his easy chair and devoured the contents of the books, one by one. His keen intelligence enabled him to focus the details that matter and pick out the ideas and techniques expounded.In a week his image underwent a transformation. Gone was the stubble that used to give him an untidy image likened to a heroin addict.He was also smartly dressed now. Instead of his usual slurred speech and incoherence ,he spoke with clarity, purpose and forcefulness.He was more convincing and persuasive. Above all, confidence flowed from his being and he seemed to have learned a few tricks of the selling trade. He worked hard at his sales pitch and one day he succeeded in selling a computer. His first sale. He had finally achieved the quota of one sale within the given time frame of three weeks. The job, the shop, was his. He had to thank Mike for it. And now he had to go beyond his first successs and score, consistently and persistently. Nevertheless he had proved himself at last and the future looked bright and promising.

  1. 1.

    We learn from the story that at the beginning Andrew’s father_________.

    1. A.
      holds the view that Andrew is hopeless
    2. B.
      has lost his patience with Andrew
    3. C.
      has given the shop to Andrew
    4. D.
      still hopes Andrew will improve
  2. 2.

    We learn from the story that Andrew_________.

    1. A.
      has turned himself into an experienced sales manager
    2. B.
      has tried in vain to get his job done in six months
    3. C.
      has let his father down in the end
    4. D.
      has done well with the help of Mike
  3. 3.

    What’s the most significant change of character in Andrew?

    1. A.
      He’s more convincing.
    2. B.
      He’s more hard-working.
    3. C.
      He is more confident.
    4. D.
      He is more intelligence.
  4. 4.

    What conclusion can we draw from the story?

    1. A.
      Success depends on hard work,talent,and willingnesss to make changes.
    2. B.
      However hard you try, you won’t achieve success without others’ help
    3. C.
      It takes time to succeed, you have to try again and again and never give up
    4. D.
      It’s good communication skills and some tricks that result in big business.

Skiing only caught on for ordinary Chinese in the mid-1990s in the country’s north and northeast, but has since developed into a pastime that can be practiced nationwide. Here are four resorts(度假胜地) worthy of consideration.
Yabuli Ski Resort
The ski resort, built on Yabuli Sun Mountain, part of the Changbai Mountain Range, is located in China’s northernmost province, Heilongjiang.
It has the best snow quality, skiing trails and impressive views. Wild animals are often spotted on the site.
The resort serves as the primary training centre for China’s national teams. It also has a trail vertical drop from 200 meters to 1,200 meters with an average drop of 700 meters.
What’s cool: The largest ski resort in China.
Beijing Huaibei International Ski Resort
This is a great destination for snowboarders and skiers to escape the rush life of the city and is a large recreational spot that boasts excellent ski slopes, world-class facilities, beautiful natural scenery, as well as convenient accommodation and dining services.
Travelers are also able to take a bird’s eye view of the Great Wall by catching a cable car along 1,200 meters.
What’s cool: Close to the Great Wall and Beijing’s largest ski resort.
Shennongjia Ski Resort
Opened in 2004, the ski resort is located in the inland of Shennongjia. It covers an area of 100,000 square meters and is only 0.5 km from the Shennongjia National Nature Reserve.
There are ski tracks for beginners and more than 20 coaches for tourists. While experiencing the excitement of skiing, people can also admire Shennongjia’s distinctive scenery of countless different odd mountain valleys, unknown beautiful flowers and plants.
What’s cool: Largest winter sports complex for skiers from South and Central China.
Changbai Mountain Ski Resort
The ski resort is an ideal place for skiing and ice-skating because of its well-constructed ski tracks, comprehensive winter sports training facilities and breathtaking environment.
Enthusiasts can also choose other activities including motor skiing, sleigh skiing, shooting and hunting.
The area’s natural hot springs are another attraction of the resort.
What’s cool: The resort is located in the heart of Changbai Mountain Nature Reserve’s thick forest and has natural hot springs.

  1. 1.

    The passage is intended to ______.

    1. A.
      encourage people to learn skiing during holidays
    2. B.
      attract people to ski in these places
    3. C.
      offer services of booking tickets for skiing
    4. D.
      provide people with a better understanding of skiing
  2. 2.

    In what way is Changbai Mountain Ski Resort different from the other three resorts?

    1. A.
      It has various training facilities.
    2. B.
      It has coaches for tourists.
    3. C.
      It has natural hot springs.
    4. D.
      It has breathtaking natural scenery.
  3. 3.

    China’s national teams are usually trained at_______.

    1. A.
      Yabuli Ski Resort
    2. B.
      Shennongjia Ski Resort
    3. C.
      Changbai Mountain Ski Resort
    4. D.
      Beijing Huaibei International Ski Resort

A serious problem for today’s society is who should be responsible for our elderly and how to improve their lives. It is not only a financial problem but also a question of the system we want for our society. I would like to suggest several possible solutions to this problem.
First, employers should take the responsibility for their retried employees. To make this possible,  a percentage of profits should be set aside for this purpose. But when a company must  take life long responsibility for its employees, it may suffer from a commercial disadvantage due to higher employee costs.
Another way of solving the problem is to return the responsibility to the individual. This means each person must save during his working years to pay for his years of retirement. This does not seem a very fair model since some people have enough trouble paying for their daily life without trying to earn extra to cover their retirement years. This means the government might have to step in to care for the poor.
In addition, the government could take responsibility for the care of the elderly. This could be financed through government taxes to increase the level of pensions. Furthermore, some institutions should be created for senior citizens, which can help provide a comfortable life for them. Unfortunately , as the present situation in our country shows, this is not a truly viable  answer. The government can seldom afford to care for the elderly, particularly when it is busy trying to care for the young.
One further solution is that the government or social organizations establish some workplaces especially for the elderly where they are independent.
To sum up, all these options have advantages and disadvantages. Therefore, it is reasonable to expect that some combination of these options may be needed to provide the care we hope to give to our elderly generations.

  1. 1.

    What is the passage mainly about?

    1. A.
      The problem faced by the old in society.
    2. B.
      Why we should take responsibility for the old.
    3. C.
      How we can improve the lives of the old
    4. D.
      Where the old can go to get their pensions.
  2. 2.

    According to the passage, how can the government help to improve the lives of retired people?

    1. A.
      Set aside some profits to help people with problems after they retire
    2. B.
      Increase saving levels of people during their working years
    3. C.
      Increase the discounts for food and transport for the old
    4. D.
      Make available pensions for those who have retired
  3. 3.

    The underlined word “viable” most probably means ____.

    1. A.
      impossible
    2. B.
      practical
    3. C.
      usefull
    4. D.
      successful
  4. 4.

    What can be concluded from the passage?

    1. A.
      Taking care of the old is mainly an issue of money
    2. B.
      Employers should allow their workers to retire at a later age
    3. C.
      Becoming independent should be the goal of most old people
    4. D.
      There is no single solution to the problem of the old
  5. 5.

    What is the writer’s main purpose of writing this article?

    1. A.
      To point out the need for government supporting for old people
    2. B.
      To make general readers aware of the problems of retired people
    3. C.
      To discuss some possible solutions to an important social problem
    4. D.
      To instruct retired people on how they can have a happier life.
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