__46 People use money to buy food, furniture，books，bicycles and hundreds of other things they need or want. When they work, they usually get paid in money．
Most of the money today is made of metal or paper． 47 One of the first kinds of money was shells．
Shells were not the only things used as money．In China，cloth and knives were used. In the Philippine Islands, rice was used as money for a long time. Elephant tusks，monkey tails and salt were used as money in parts of Africa．
The first metal coins were made in China, They were round and had a square hole in the centre． 48
Different countries have used different metals and designs for their money． 49 Sweden and Russia used copper(铜) to make their money. Later some countries began to make coins of gold and silver.
But even gold and silver were inconvenient if you had to buy something expensive. Again the Chinese thought of a way to improve money．__ 50 The first paper money looked more like a note from one person to another than the paper money used today.
Money has an interesting history from the days of shell money until today．
| A．Today anyone will accept money in exchange for goods and service． |
| B．The first coins in England were made of tin(锡)． |
| C．But people used to use all kinds of things as money． |
| D．Money, as we know, is all made of paper. |
E．They began to use paper money.
F. People strung(串连) them together and carried them from place to place．
G．No one knows for certain when people began to use money．
信息匹配（共1小题）
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My mother is a diligent and kind woman．She is very busy from morning till night．As a teacher, she works hard． Both my brother and I love her dearly as she loves us.
My mother has been teaching math at a middle school in my hometown．She goes to work early in the morning and does not return home until late in the afternoon． She treats them with patience and teaches them well．For her excellent quality and very good teaching results, she has been elected as a model teacher several times.
Every day, when she comes back home from work, she sets about doing housework, sweeping the living room and bedrooms or cleaning the furniture, and putting everything in good order．She seems to be busy all the time．As she has been very busy working every day, she looks older than her age．But she looks as cheerful and happy as ever．Mother never buys expensive dresses for herself, but she often buys some inexpensive but high quality clothes for us．
She just eats a plain meal outside when she is too busy to cook herself．She lives a busy yet simple life, without any complaints.
Often she says to us, “work while you work, and play while you play．That is the way to be happy and gay．If you do not work, you will become lazy and be of no use to society”．What a piece of good advice this is! This advice of hers will always serve as a guide to my behavior．My mother is great indeed, and I always feel proud of her.
| A．As a mother, she takes good care of us and gives us every comfort. |
| B．She loves her students and cares for them. |
| C．She never goes to expensive restaurants to enjoy meals. |
| D．She enjoys listening to classic music. |
E．I never forget it and always bear it in my mind.
F．Can you tell us something about your mother?
G．My mother is hard-working and never wastes money.
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Doctors say anger can be an extremely damaging emotion, unless you learn how to deal with it. They warn that anger can lead to heart disease, stomach problems, headaches, emotional problems and possibly cancer. Some people express anger openly in a calm reasonable way. Others burst with anger, and scream and yell. Still others keep their anger inside. They can not or will not express it. This is called repressing anger.
For years many doctors thought that repressing anger was more dangerous to a person’s health than expressing it. They said that when a person is angry, the brain releases hormones (荷尔蒙) which speed the heart rate, raise blood pressure, or sugar into the blood, etc.
Some doctors say that both repressing and expressing anger can be dangerous. They believe that those who express anger violently may be more likely to develop heart disease, and they believe that those who keep anger inside may face a greater danger of high blood pressure.
____ They say the first step is to admit that you are angry and to recognize the real cause of the anger, then decide if the cause is serious enough to get angry about. If it is, they say, “
Wait until your anger has cooled down and you are able to express yourself calmly and reasonably.”
Doctors say that a good way to deal with anger is to find humor in the situation that has made you angry.
| A．In general the person feels excited and ready to act. |
| B．They said that laughter is much healthier than anger. |
| C．Expressing anger violently is more harmful than repressing it. |
| D．Anger may cause you a cancer. |
E. Do not express your anger while angr feel from time to time.
G. Doctors say the solution is learning how to deal with anger.
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How can we all get more laughter into our lives? Here is what the experts suggest:_________
Nancy Alguire, a teacher in Clifton Park, N.Y. was once painfully shy and she seldom laughed. Then she married a circus clown (小丑). “I became interested in the clowns,” she recalls,“ One day I put on a costume and paint my face. That afternoon my whole life changed. I learned to laugh and enjoy life in a way I had never done before.” _________ To this day, she still makes it a rule to be with people who enjoy life and laughing.
_________
It doesn’t take you too much time and can be easy. Collect favorite cartoons and jokes. Also, keep a paper for writing down humor you find in everyday life.“Good ideas come and go fast, you have to capture them quickly or they are gone,” says Virginia Tooper.
Laugh when you need it most.
“_________” says comedian Bill Cosby.“And once you find laughter, no matter how painful your situation might be, you can survive it,” he insists.
Gray Alan, a sociology professor at the University of Minnesota, claims that laughter is a skill we can all gain—because it comes naturally. _________ Just remember: we are just here for a period, so get a few laughs.
| A．You can soften the worst blows through humor. |
| B．Mix with people who laugh. |
| C．Practise the art of laughing. |
| D．Keep a laughter file. |
E. He who laughs last laughs best.
F. But it’s also something that has to be developed.
G. People’s joy can affect those around them.
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The Importance of Positive Attitude
A positive attitude is very important as it will make our life easier. . There will be times when we will face problems and obstacles. The most challenging part is not when our life goes smoothly but how we react when we experience problems and difficulties.
Those who have a positive attitude will treat any problem as a challenge. Instead of being discouraged, they will treat each failure as a lesson. . As for those who do not have the positive attitude, they will see problems and difficulties in a different way.
The situation can be the same for both the Guy A and Guy B. . Every one of us has the same amount of time. Since having a negative attitude will eat up our time, why don’t we just make good use of the same amount of time to have a positive attitude? Life itself is already hard. It will be much better if we have a positive attitude which will make our life happier and easier.
. People will generally prefer to stay with people who have positive attitudes as being happy is very infectious (富有感染力的) . Everyone will be affected by the energy of positive attitudes and they too will have a positive attitude.
If you learn to see the bright side of life when you’re surrounded by difficulties, you’ll be building your positive attitude fast. .
| A．And they will be motivated to achieve the goal. |
| B．Having good attitudes provides many health benefits. |
| C．In life, not everything goes as smoothly as we want. |
| D．But with different attitudes, the results will be quite different. |
E. They may have no approaches to solving the problems.
F. When you have a positive attitude towards everything, you will be happier.
G. The more you practise having a positive attitude, the easier and more natural it will come to you.
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Snow is a subject of great interest to weather experts . . One reason is that heavy amounts of snow fall in surprisingly small areas . Another reason is that a small change in temperature can mean the difference between snow and rain .
Just what is snow , anyway ? Snow is a form of frozen water . . These crystals grow from water droplets in cold clouds . They usually grow around dust particles（颗粒）. All snow crystals have six sides , but they grow in different shapes . The shape depends mainly on the temperature and water levels in the air .
. About two and one-half centimeters of rain has as much water as 15 centimeters of wet snow . About 76 centimeters of dry snow equals the water in two and one-half centimeters of rain .
Snowfall helps to protect plants and some wild animals from winter weather . Fresh snow is made largely of air trapped among the snow crystals . .
Snow can also influence the movement of sound waves . When there is fresh , soft snow on the ground , the surface of the snow absorbs , or takes in , sound waves . . Then , the snow’s surface will help to send back sound waves . Under these conditions , sounds may seem clearer and may travel farther .
| A．Much of the water the world uses comes from snow . |
| B．It contains groups of ice particles called snow crystals . |
| C．It is difficult to predict where , when or how much snow will fall . |
| D．Under some conditions , these particles may grow larger and form solid pieces of ice . |
E. Snow contains much less water than rain .
F. However , snow can become hard and flat as it grows older or if there have been strong winds .
G. Because the air has trouble moving , the movement of heat is limited .