as follows
Life and science
There is science everywhere in life, science in diet and science in sports. As long as we pay attention, we will find that many things we do are related to science.
As the saying goes, "it is better to drink soup before meals than to take medicine soup." This sentence has scientific basis. Because from the mouth, throat, esophagus and stomach, it is like a passage. Drinking a few mouthfuls of soup before eating is equivalent to adding some "lubricants" to this digestive channel to make the food swallow smoothly.
It is also beneficial to drink soup from time to time between meals. This helps to dilute and stir food, and the stomach can digest food easily. Therefore, some nutritionists believe that the habit of drinking a small amount of soup before or during meals can also reduce the occurrence of diseases such as esophagitis and gastritis.
In addition, we also know that many objects in life have the property of expanding when heated and contracting when cooled. Anyone who has played table tennis knows that it can be recovered by scalding it with boiling water, because it expands with heat and contracts with cold. But there are also some objects in nature with strange temper. They are not expanding with heat and contracting with cold, but expanding with heat and contracting with cold. Water below 4℃ has this unusual property.
I remember one hot summer, I packed a bottle of mineral water and put it in the freezer of the refrigerator. I planned to take it to school the next day, and the bottle of water stayed in the refrigerator all night. The next day, when I took the bottle out, I found a protruding place at the bottom of the bottle. The ice in the bottle was hard and clean. After the ice melted, I drank all the water, which attracted the attention of many students. No matter how I knock and press, the prominent part just can't get in. I showed it to my father when I got home. Father smiled and said, "This is the expansion and contraction of an object when it is cold. Just iron it with hot water. " The same hot water can inflate table tennis and deflate plastic bottles. It's amazing!
It turns out that water will become larger when it turns into ice. I filled the bottle with water. When the volume increases, there is no room in the bottle, so a piece of ice will protrude from the bottom. It is enough to put about 80% or 90% water in the bottle when it is chilled.
Students, let's try not to violate scientific laws, otherwise, we will have a lot of trouble!
——————————————————————————————————————————————————————————————— Not long ago, my uncles and aunts sent some potted flowers and some trees. Bonsai is placed at the door, living room, room and balcony. I said to my father, "Our home has become a botanical garden. Why are there so many plants? " Dad smiled and said, "Plants can create an atmosphere and purify the air. People and animals cannot do without them. " People or animals cannot live without plants? Why can't people or animals live without plants? I'll be skeptical. Decided to do a few small experiments to prove the problem.
On Sunday, I caught two mice from the garage. These two poor little mice will be my experiments. They kept struggling, and their small round eyes stared at me from time to time. I put three little mice in a big fish tank and sealed them tightly with a disposable film tablecloth for fear that the air in the bottle would communicate with the outside air. I watched carefully and saw little mice scurrying around the bottom of the pool along the wall. Hey, isn't the mouse alive and well? Isn't it true what dad said? However, in a few minutes, I saw the little mouse winding slower and slower until it was stagnant and dying. At this point, I gently removed the disposable film tablecloth, caught these mice, put them into three other mice and moved into four pots of leafy plants. Then gently cover the disposable film tablecloth. I kept patting the fish tank and saw the little mouse scurrying about in panic. After a long time, I don't want to die. This experiment proves that plants can produce the oxygen needed by animals.
In order to further prove the dependence of humans and animals on plants, I came to a feed processing factory near my hometown. The air there is full of dust noise, which makes me cough. I feel very uncomfortable. Then, I ran to a bamboo forest behind our house. It is a place with fresh air, and I feel extremely refreshing. This experiment proves that plants can purify the air. Let people breathe smoothly.
These two experiments prove that the survival of human beings and animals is closely related to plants. How scientific is this? I went to the library to consult a lot of science and technology books, and also went to the school electronic reading room for online inquiry, and summed up the following points: ① People must rely on plants to provide oxygen. If a person doesn't eat or drink for a few days, he may die in a few minutes. Oxygen is the first need of human life activities! ② An adult breathes about 20,000 times a day, inhales 0.75 kg of oxygen and exhales 0.9 kg of carbon dioxide. Breathing of animals and plants and burning of substances will also consume oxygen and release carbon dioxide. So, isn't there more oxygen in the air every day? Don't! The reason why there has never been such a crisis between heaven and earth is that plants are both "factories" of natural oxygen and "broad markets" of carbon dioxide. According to statistics, 1 hectare of broad-leaved forest can produce 750 kilograms of oxygen and eat 1 1,000 kilograms of carbon dioxide every day during the growing season. Because there are plants that constantly supplement oxygen, the oxygen in the air can be kept basically constant. On the contrary, if there are no plants, the oxygen on the earth can be used up in about 500 years.
Therefore, human beings and animals can sustain life, and the oxygen needed for activities must be attributed to green plants. Plants are closely related to our human and animal lives. Here, I call on people in the whole society to stop cutting down plants and make them our best friends.
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(2)
I like "Into Science" by CCTV Channel 10-Science Channel very much. There are many strange and mysterious scientific knowledge in this column, some of which have been explored and solved, and some of which are still waiting for scientists to continue their research. Tonight, before the arrival of Liu Mingchuan, the first governor of Taiwan Province Province, my mother and I "walked into science".
"Everything at home shakes for no reason", I was attracted by this topic and couldn't wait to look down. The story begins: in the homes of three residential buildings in a residential area in Shanghai, water and chandeliers keep shaking. This situation lasted for several months, leaving residents unable to eat well and sleep well. Everyone thought it was an earthquake. After the experts arrived, they made a careful investigation and denied the statement that the earthquake could not last so long, and it was so powerful that it was easy to destroy houses. So what happened later?
Experts carefully investigated around the community, trying to find the source of vibration, but found nothing. Occasionally, they found a gravel factory 800 meters away from the community, and the vibration generated by the gravel crusher was particularly strong. It can be 800 meters away, which is not enough to cause things in the homes of residents in the community to shake. Experts infer that only when there is * * * vibration phenomenon in physics can it have such great power. After determination, the results are surprisingly consistent. The vibration frequency of the stone crusher is exactly the same as that of the residential building, which is 1.5 Hz. Sure enough, when the stone crusher was turned off, everything in the residents' homes stopped shaking. Finally unveiled this mysterious veil.
There is science in life and science is in life. As long as we explore and study, any mystery will be solved.
There is science everywhere in life. Today I will tell you two science stories.
On weekends, my mother cooks in the kitchen. Suddenly, the oil in the pot burned. I saw it and shouted, "mom, water it!" " Mother didn't go to get water, but quickly picked up the lid and closed it. After a while, the fire went out. I was surprised to ask my mother, "Firemen's uncles always put out fires with big waterwheels. Why not use water? " Mother smiled and said, "Fire fighting doesn't always use water, especially when the oil is burning. Because oil is lighter than water, pouring oil into the pot will explode, which will not only fail to put out the fire, but also easily cause a bigger fire. " My mother also told me that the fire needed oxygen, so I quickly put the cover on after the oil pan caught fire. After a while, the oxygen in the pot was gone and the fire was extinguished. I heard it suddenly.
"a door that will deform"
The door of my room is a solid wooden door, which is beautiful and will "deform". There are always a few days in summer when it is disobedient, and it is very laborious to close the door, as if it has gained weight; It seems to be thinner in winter, and there is always a small crack when closing the door. I asked my father what was going on, and my father explained, "It may be that the wood was not completely dry when the uncle worker made the door. In summer, when the weather is hot and the temperature is high, the wooden retractable door will become fat and won't close. In winter, when the weather is cold and the temperature is low, the wood will shrink, the door will become thinner and it will not close well. This is why it expands with heat and contracts with cold. "
After listening to my father's words, I feel that there is science everywhere in my life. I must study science well!
2
My family grows a lot of flowers. These flowers are planted in flowerpots with small holes. Why are there one or several holes under the plate for planting flowers?
When I watered the flowers, I found that if I watered them too much, they would flow out of the small holes under those flowerpots. If there are no holes and too much water is poured, the extra water will accumulate in the flowerpot, and over time, the roots will rot because of insufficient ventilation. But if you water it too little, the roots won't absorb enough water. There is a small hole under the flowerpot, so you can water the flowers safely, and the excess water will naturally flow away from the small hole.
The small holes under the flowerpot can not only let out excess water, but also let the roots of plants absorb more fresh air.
So that the flowers can stay in the flower tray more comfortably. I won't shout "I'm suffocating, I'm suffocating, come and help me!" " "It won't let those leaves and flowers with a hundred times the spirit hang their proud heads like shy little girls.
These small holes have another advantage. You can make the roots that can't be squeezed in the plate grow out of the hole, so that the roots won't be too crowded.
The holes under these flowerpots are so useful! It turns out that planting flowers should be scientific.
three
Someone once said, "Life is a big science"? Yes, life is really a big science. If you want to understand science, you must first experience life and experience the science in life?
-inscription
It can be said that everyone has been asking questions since birth.
I once asked in ignorance, "Why do people die?" "What happens after death?" Perhaps, we once naively asked, "Why is the sky blue?" "Why does it rain?" "Why does it thunder?"
Perhaps, it is from these seemingly ignorant questions that we began our scientific journey and learned to explore science with question marks?
Go to school, we learn from books? In the textbook? Teachers have learned a lot that they can't learn from home?
As a middle school student, I finally understand that rain is neither the cry of God nor the masterpiece of the sea dragon king, but a natural phenomenon. It may be frontal rain formed by the intersection of cold and warm air currents, orographic precipitation formed by air currents containing water vapor rising with mountains, or typhoon rain? I also understand that thunder is the result of the collision of positive and negative electrons in the cloud, not the anger of Lei Gong?
However, isn't it enough to know this? We can understand the structure of clocks and watches from the process of disassembling them; We can know how plants grow from the process of planting flowers and plants; Can we also understand the causes of heat expansion and cold contraction from the process of cooking in person?
It is in these seemingly simple hands-on operations in life that we get closer to seemingly distant science step by step and learn a lot of scientific knowledge?
We also found that the greatest of those great scientists is not the high-tech achievements that attract people's attention, but the various explorations they made for that shocking success?
Newton discovered the law of gravity because he raised the question "Why do apples fall to the ground when they are ripe?"? Li Siguang questioned the origin of the boulder that played hide-and-seek when he was a child, so he overturned the wrong conclusion of foreigners and proved that there were Quaternary glaciers in China?
And the name Jenna is little known?
/kloc-in the 0/8th century, "smallpox" was popular in Europe? Smallpox is an infectious disease caused by smallpox virus. Once people are infected with smallpox, they will soon die. Even if you survive, you will either leave an ugly pockmarked face or be deaf. Blind? At that time, more than 60 million people in Europe died of smallpox, and countless people were pitted by smallpox? British historian Macaulay called smallpox "a loyal accomplice to death"? In ancient times, the method to prevent smallpox was "vaccination". In fact, it was a man-made mild smallpox infection, which was bound to be dangerous? Some people will get sick and die, which is the defect of human pox vaccine? But at that time, it did play a role in preventing smallpox from harming mankind on a large scale? After careful observation, Dr. Chenna found that milkmaids often get cowpox, but rarely get smallpox? So he observed the pustules on the breasts of countless cows suffering from vaccinia and recorded the situation of one cow after another? He found that the pustules of vaccinia and smallpox were similar, and the symptoms of vaccinia and smallpox were similar? The difference is that vaccinia is much milder than smallpox? Vaccinia doesn't kill cattle, and people who fight vaccinia don't die? After further collecting the evidence in this respect, Qin Na finally came to the conclusion that people who have been vaccinated will definitely not get smallpox? So Dr. Chenna invented the method of vaccination to prevent smallpox? Chennault's achievement saved mankind from smallpox?
So, we can say-everyone has the right to explore science, everyone has the ability to learn science, and everyone has the potential to create science? As long as you carefully understand the science in life, maybe you will come to a conclusion? Completed career? The results of this research will surprise the elders, shock the world and shame the scientists!
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Science is priceless.
(1) geometry of scientific value? This question is too difficult to answer.
(2) On the Namu Yeni Glacier at an altitude of more than 6 100 meters in the Himalayas, scientists retrieved a small bottle of ice core sample in front of me, which was only 6 ml and weighed only a few grams. Its value geometry and what can be studied from it in the future are still unknown.
(3) Many people pay a lot for glacier science. A 22-year-old American doctor gave his young life for the dream glacier in Tibet; Qin Dahe, who once ventured into the South Pole, suffered from terrible "brain edema" when visiting the Everest Glacier. After almost "glory", he still insisted on working; Known as the "Iceman", Yao Tan spends more time on glaciers than with his family every year. ...
(4) In modern science, glacier science is just one of many sciences and a "corner" in the vast ocean of science. In glacier science, the small plastic bottle with only 6 ml is just a "corner", but its scientific spirit is radiant, far beyond the concept of time and space it represents.
After hundreds of years of rapid development, modern science has entered a new realm of infinite extension, infinite subdivision and infinite intersection; The vision of human exploration has also gone beyond the simple natural phenomena around us and invested in a wider depth of strata, wonders of the surface and extraterrestrial space. Acquiring new knowledge, exploring new laws and constantly challenging the limits have become a great driving force for the progress of modern science. Of course, people still understand that although the current scientific level of mankind has reached an unprecedented height, it is only a tiny corner of the whole world, and there are still many unknown things.
On the road of exploring the unknown world, mankind still faces great challenges. The energy crisis is getting worse, the climate warming continues, and new diseases are emerging one after another ... The solution of many problems can only rely on science in the end. History tells us that there are no shortcuts in the scientific world, only one step at a time. Only by accumulating bit by bit can we improve step by step. Mr. Lu Xun once said: "The history of human bloody battles is just like the formation of coal. A lot of wood was used at that time, but only a small piece was found. This is not the case in the history of scientific development. Long-term efforts and accumulation will always bear fruit, although "fruit" may be just like coal, with only a small piece. But once this small piece is lit, its flame may illuminate the vast land.
7. Many scientific facts have proved this point: when Watt invented the steam engine, he didn't think it would change the world: when Faraday discovered electromagnetic induction, how could he think that electricity would play such an important role in future human life; When German scientist Leibniz invented binary, he didn't even know that it became the basis of modern computer technology hundreds of years later ... A small step in science is probably a big step for mankind. Not only successful people, but also failed people are constantly proving the value of their practice: when thousands of families in the Ming Dynasty sat on homemade rockets, they never thought that their dream of paying the price of their lives would be realized hundreds of years later; Without Lamarck's theory of exhaustion and abandonment, Darwin's theory of natural selection might have been born centuries later. ...
8 science is priceless!
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1。
There is science everywhere in life. Today I will tell you two science stories.
On weekends, my mother cooks in the kitchen. Suddenly, the oil in the pot burned. I saw it and shouted, "mom, water it!" " Mother didn't go to get water, but quickly picked up the lid and closed it. After a while, the fire went out. I was surprised to ask my mother, "Firemen's uncles always put out fires with big waterwheels. Why not use water? " Mother smiled and said, "Fire fighting doesn't always use water, especially when the oil is burning. Because oil is lighter than water, pouring oil into the pot will explode, which will not only fail to put out the fire, but also easily cause a bigger fire. " My mother also told me that the fire needed oxygen, so I quickly put the cover on after the oil pan caught fire. After a while, the oxygen in the pot was gone and the fire was extinguished. I heard it suddenly.
"a door that will deform"
The door of my room is a solid wooden door, which is beautiful and will "deform". There are always a few days in summer when it is disobedient, and it is very laborious to close the door, as if it has gained weight; It seems to be thinner in winter, and there is always a small crack when closing the door. I asked my father what was going on, and my father explained, "It may be that the wood was not completely dry when the uncle worker made the door. In summer, when the weather is hot and the temperature is high, the wooden retractable door will become fat and won't close. In winter, when the weather is cold and the temperature is low, the wood will shrink, the door will become thinner and it will not close well. This is why it expands with heat and contracts with cold. "
After listening to my father's words, I feel that there is science everywhere in my life. I must study science well!
2
My family grows a lot of flowers. These flowers are planted in flowerpots with small holes. Why are there one or several holes under the plate for planting flowers?
When I watered the flowers, I found that if I watered them too much, they would flow out of the small holes under those flowerpots. If there are no holes and too much water is poured, the extra water will accumulate in the flowerpot, and over time, the roots will rot because of insufficient ventilation. But if you water it too little, the roots won't absorb enough water. There is a small hole under the flowerpot, so you can water the flowers safely, and the excess water will naturally flow away from the small hole.
The small holes under the flowerpot can not only let out excess water, but also let the roots of plants absorb more fresh air.
So that the flowers can stay in the flower tray more comfortably. I won't shout "I'm suffocating, I'm suffocating, come and help me!" " "It won't let those leaves and flowers with a hundred times the spirit hang their proud heads like shy little girls.
These small holes have another advantage. You can make the roots that can't be squeezed in the plate grow out of the hole, so that the roots won't be too crowded.
The holes under these flowerpots are so useful! It turns out that planting flowers should be scientific.
three
Someone once said, "Life is a big science"? Yes, life is really a big science. If you want to understand science, you must first experience life and experience the science in life?
-inscription
It can be said that everyone has been asking questions since birth.
I once asked in ignorance, "Why do people die?" "What happens after death?" Perhaps, we once naively asked, "Why is the sky blue?" "Why does it rain?" "Why does it thunder?"
Perhaps, it is from these seemingly ignorant questions that we began our scientific journey and learned to explore science with question marks?
Go to school, we learn from books? In the textbook? Teachers have learned a lot that they can't learn from home?
As a middle school student, I finally understand that rain is neither the cry of God nor the masterpiece of the sea dragon king, but a natural phenomenon. It may be frontal rain formed by the intersection of cold and warm air currents, orographic precipitation formed by air currents containing water vapor rising with mountains, or typhoon rain? I also understand that thunder is the result of the collision of positive and negative electrons in the cloud, not the anger of Lei Gong?
However, isn't it enough to know this? We can understand the structure of clocks and watches from the process of disassembling them; We can know how plants grow from the process of planting flowers and plants; Can we also understand the causes of heat expansion and cold contraction from the process of cooking in person?
It is in these seemingly simple hands-on operations in life that we get closer to seemingly distant science step by step and learn a lot of scientific knowledge?
We also found that the greatest of those great scientists is not the high-tech achievements that attract people's attention, but the various explorations they made for that shocking success?
Newton discovered the law of gravity because he raised the question "Why do apples fall to the ground when they are ripe?"? Li Siguang questioned the origin of the boulder that played hide-and-seek when he was a child, so he overturned the wrong conclusion of foreigners and proved that there were Quaternary glaciers in China?
And the name Jenna is little known?
/kloc-in the 0/8th century, "smallpox" was popular in Europe? Smallpox is an infectious disease caused by smallpox virus. Once people are infected with smallpox, they will soon die. Even if you survive, you will either leave an ugly pockmarked face or be deaf. Blind? At that time, more than 60 million people in Europe died of smallpox, and countless people were pitted by smallpox? British historian Macaulay called smallpox "a loyal accomplice to death"? In ancient times, the method to prevent smallpox was "vaccination". In fact, it was a man-made mild smallpox infection, which was bound to be dangerous? Some people will get sick and die, which is the defect of human pox vaccine? But at that time, it did play a role in preventing smallpox from harming mankind on a large scale? After careful observation, Dr. Chenna found that milkmaids often get cowpox, but rarely get smallpox? So he observed the pustules on the breasts of countless cows suffering from vaccinia and recorded the situation of one cow after another? He found that the pustules of vaccinia and smallpox were similar, and the symptoms of vaccinia and smallpox were similar? The difference is that vaccinia is much milder than smallpox? Vaccinia doesn't kill cattle, and people who fight vaccinia don't die? After further collecting the evidence in this respect, Qin Na finally came to the conclusion that people who have been vaccinated will definitely not get smallpox? So Dr. Chenna invented the method of vaccination to prevent smallpox? Chennault's achievement saved mankind from smallpox?
So, we can say-everyone has the right to explore science, everyone has the ability to learn science, and everyone has the potential to create science? As long as you carefully understand the science in life, maybe you will come to a conclusion? Completed career? The results of this research will surprise the elders, shock the world and shame the scientists! ___________________________________________________________________________ 1。
There is science everywhere in life. Today I will tell you two science stories.
On weekends, my mother cooks in the kitchen. Suddenly, the oil in the pot burned. I saw it and shouted, "mom, water it!" " Mother didn't go to get water, but quickly picked up the lid and closed it. After a while, the fire went out. I was surprised to ask my mother, "Firemen's uncles always put out fires with big waterwheels. Why not use water? " Mother smiled and said, "Fire fighting doesn't always use water, especially when the oil is burning. Because oil is lighter than water, pouring oil into the pot will explode, which will not only fail to put out the fire, but also easily cause a bigger fire. " My mother also told me that the fire needed oxygen, so I quickly put the cover on after the oil pan caught fire. After a while, the oxygen in the pot was gone and the fire was extinguished. I heard it suddenly.
"a door that will deform"
The door of my room is a solid wooden door, which is beautiful and will "deform". There are always a few days in summer when it is disobedient, and it is very laborious to close the door, as if it has gained weight; It seems to be thinner in winter, and there is always a small crack when closing the door. I asked my father what was going on, and my father explained, "Maybe the wood was not dry enough when the uncle worker made the door. In summer, when the weather is hot and the temperature is high, the wooden retractable door will become fat and won't close. In winter, when the weather is cold and the temperature is low, the wood will shrink, the door will become thinner and it will not close well. This is why it expands with heat and contracts with cold. "
After listening to my father's words, I feel that there is science everywhere in my life. I must study science well!
There is science everywhere in life. Today I will tell you three science stories.
On weekends, my mother cooks in the kitchen. Suddenly, the oil in the pot burned. I saw it and shouted, "mom, water it!" " Mother didn't go to get water, but quickly picked up the lid and closed it. After a while, the fire went out. I was surprised to ask my mother, "Firemen's uncles always put out fires with big waterwheels. Why not use water? " Mother smiled and said, "Fire fighting doesn't always use water, especially when the oil is burning. Because oil is lighter than water, pouring oil into the pot will explode, which will not only fail to put out the fire, but also easily cause a bigger fire. " My mother also told me that the fire needed oxygen, so I quickly put the cover on after the oil pan caught fire. After a while, the oxygen in the pot was gone and the fire was extinguished. I heard it suddenly.
"a door that will deform"
The door of my room is a solid wooden door, which is beautiful and will "deform". There are always a few days in summer when it is disobedient, and it is very laborious to close the door, as if it has gained weight; It seems to be thinner in winter, and there is always a small crack when closing the door. I asked my father what was going on, and my father explained, "Maybe the wood was not dry enough when the uncle worker made the door. In summer, when the weather is hot and the temperature is high, the wooden retractable door will become fat and won't close. In winter, when the weather is cold and the temperature is low, the wood will shrink, the door will become thinner and it will not close well. This is why it expands with heat and contracts with cold. "
______________________________________________________________________
People live to be happier and happier, and a happy life must be won by themselves. In order to pursue his own happiness, he has the desire to fight for it. In order to achieve the goal of life, he must make himself work hard, have fun in his work, fill his monotonous work with life, be carefree, be healthy physically and mentally, live a quiet and comfortable life and be happy every day. This is that everyone should find their own happiness. Without fighting spirit, confidence and perseverance, it may be difficult for people to survive by various means. Therefore, in order to make our life happier, we must set a goal in life and strive to achieve it. If he works hard by himself, he will be very happy in the process of realization. First of all, we must establish a correct outlook on life and the world. Man is the spirit of all things, because he has the ability to think, that is, he has an extremely complex and rich subjective inner world, the core of which is the outlook on life and the world. If you have a correct outlook on life and the world, a person can have a correct understanding of society, life and everything in the world, and can take appropriate attitudes and behavioral reactions; You can make people stand tall and look far, and deal with all kinds of problems calmly. Secondly, don't be too hard on yourself, set your goals within your ability. Try to make it possible for yourself to accomplish your goal successfully. In this way, your mood will become very happy again, learn to adjust your emotions, eliminate bad emotions, and let yourself spend every day in a happy environment. A positive emotional state makes people cheerful, relaxed, stable, full of vitality, full of enthusiasm and confidence in life. Therefore, you should avoid the development of bad emotions in your life. When you encounter something bad, you should think in a different way, and you will gain a lot. Talk to friends and relatives to relieve depression. Relax yourself and take part in more leisure sports. Take an active part in group activities and improve interpersonal relationships, and you will find that you are happy every day. Avoid the avoidable in a secular and complex environment. Don't believe other people's stories. People should have their own opinions. You should have a firm belief. Only by making a decisive decision and staying away from villains will your career succeed. Believe in your own ability, and you will certainly do your work better. Optimism is an open-minded performance, the purpose of good health, the foundation of interpersonal communication, the guarantee of smooth work and the magic weapon to avoid setbacks. When your life goal has been achieved, you can find your favorite friends of the opposite sex. Please imagine that the romance of wind chimes often evokes people's yearning for a better life; When camel bells are deep, they often arouse people's yearning for a better future; The phone rings, letting you know that someone cares about you every day, and every day is so happy and happy! People's optimistic attitude will keep your spirit young forever. When you move towards the goal of struggle, it will increase your happiness and self-confidence. You will naturally form an optimistic attitude, and happiness will always accompany you! I believe that you have achieved your goal in life and found your dream lover. I wish you a happy life. You can get the greatest happiness psychologically, and you will have a happy day! I believe you can grasp your happy life and realize your dream goal! `
The teacher taught us to study independently and not to copy all the time. Remember me! ! ! !