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Technology is writing beside me.
A lecture on science and technology
College entrance examination composition in which science and technology change life.
Selected five 800-word scientific and technological compositions
Technology makes life better.
Now the world is more and more developed and beautiful. Of course, this is mostly because of "technology."
Technology, say it is ordinary. For example, the TV, computer and mobile phone that we usually use are common in life, and they are found in almost every family in today's society. These technologies not only promote people's communication, but also increase people's feelings. So it's common, but it's not.
1804, the world's first steam locomotive was made by British mining technician Drivesk using Watt's steam engine, which has been in use ever since. Later, the Wright brothers in the United States designed and manufactured the "Flyer" plane on190365438+February 17, and successfully tested it in Kitty Hawk, Carolina. It is considered to be the world's first mobile manned aircraft flying into the sky. Edison, a household name, invented the electric light. Because of these technologies, human life is more convenient.
The vast expanse of space is mysterious and dark, hiding countless stars. Without science and technology, it is impossible for Shenzhou 5 to launch successfully, and it is impossible for Yang Liwei to go into space. Scientists will not explore the mysteries of space; We don't know that Mars and the Earth are "twin brothers". Because of these technologies, we can learn more knowledge.
Without technology, people can't shop online, watch interesting news, travel around, see new things, and can't.
Ah! Technology makes life better!
Technology makes life better.
As the saying goes, "science and technology are the primary productive forces". Indeed, this sentence is true. Advanced science and technology can really make our life more convenient and beautiful.
Before the invention of electric light, people usually worked at sunrise and rested at sunset, which was in line with the laws of nature, but their lives were quite regular. However, people's work and rest are largely limited by nature. Later, after thousands of attempts, the great inventor Edison invented the electric light, which lit up the whole world and brought hope to people in the dark. The invention of electric light changed people's daily life. People are no longer limited by night, and have more time to finish what they can't finish during the day. Nowadays, colorful light bulbs are also hung on the high-rise buildings and streets of the city, and bright indicator lights are also installed on cars.
With the development of science and technology, traffic is more and more developed. From the initial walk to later bicycles, motorcycles and cars, the roads now extend in all directions and the traffic is very convenient. In the past, it usually took several days to get to a place like Beijing. Now there are not only high-speed trains but also airplanes, which greatly shortens the journey. Now, it used to take days to get there in a few hours.
Technology has changed everyone's life and made every trip more comfortable.
Technology makes life better.
Since the reform and opening up, science and technology in China has become more and more developed. Now, almost everyone has a mobile phone, and almost every household has a TV, a computer and the Internet. High-tech products have become an indispensable part of our lives. We can't live without them.
In ancient times, people often used letters to convey their thoughts and care for each other. This is not only slow, but also easy to lose letters. Now, the mobile phone is very casual, even if you are far away from Beijing, you can talk to your family in Fujian by phone or even video chat. Once upon a time, there was an emperor's concubine who wanted to eat sweet and sour litchi, but litchi was only available in the south! So the emperor sent people to the south to buy lychees, but he was afraid that lychees were not fresh. So I came all the way back from the south. How many good horses are exhausted! Now online shopping, as long as you move your finger, litchi can be delivered to your door, and you can eat fresh fruits from all over the country without leaving home. Is it convenient?
In the past, people had to read a lot of books to know a lot of knowledge. Now as long as the mobile phone Baidu search, a lot of knowledge will be presented to you; In the past, people had to climb mountains to reach their destination, but now they can drive by themselves and get there in a few days.
This phenomenon shows that high technology is of great help to our lives, and our lives cannot be separated from high technology.
Because of high technology, our country is prosperous and strong. Thanks to high technology, our life has been improved. Because of high technology, our life is getting better and better.
Nowadays, our life is inseparable from science and technology, which has improved our life. Let's explore the mysteries of the universe with high technology and create a better tomorrow for our motherland!
Technology makes life better.
Every time I see the news that traffic jams lead to car accidents on TV. I thought: Is there a car that can hold up traffic? So, I came up with this idea. ...
This kind of car is like this: its whole body is made by imitating the "streamlined body" of fish. There are a pair of wings on both sides of the car body and a "rocket ejector" at the tail, so that you can fly into the blue sky. The chassis is equipped with cloth, which is used for space, because it has good sealing performance and is not easy to get water. The wheels of a car can rotate 360 degrees. After the cloth is filled with air, it can float on the sea. The front of the car is made of very soft cakes, which will not melt in the ocean after special treatment. Windshields and headlights are also made of processed popsicles. Even if you hit someone, you won't get hurt.
With this kind of car that can be used by land, sea and air, there will be no traffic jam. If there is traffic jam on the road, you can fly in the blue sky or float on the ocean.
Some people may worry, what if there is no oil when flying in the sky or floating at sea? Then you don't have to worry, because there is a "converter" on this car, which can convert the air around you into kinetic energy and keep the car running.
This car also has a special function: it can be carried with you. When it was built, a "reduced device chip" was placed. As long as this chip is installed on the machine, the machine can be reduced to the size of the head hair. So you won't worry that the car is too big to drive into the alley.
One of the biggest functions of this car is remote control. If a thief wants to steal your car, as soon as he touches your car, the alarm on the car will sound, and there is a voice system on the car key. Just say "run" and your car will come back automatically. If you are asleep, the car doesn't have to listen to your instructions. Just call the police and let the police solve it.
Grandpa, a scientist, told me, "If you want to invent, you must study hard to invent.
Technology makes life better.
The arrival of 2 1 century brings people a surprise-advanced technology. In recent years, "technology" is getting higher and higher, and people's lives have gradually become more convenient and affluent with technology.
Developed technology occupies my whole modern happy life and is updated every day. Television, computers, refrigerators, mobile phones ... all came out in this golden age.
Computers are the most brilliant, dazzling and popular among these science and technology stars. He is becoming more and more advanced and popular, even primary school students can't live without him. It has countless uses. You can use it to play games when you are bored, which brings joy to people. The computer has changed from black and white to color. The computer can help me look up information, practice typing and make slides, just like my best friend in my life. The teacher assigns a composition every week, and almost every time I have no class to write. I used to be in a hurry, or I couldn't find satisfactory information after tossing and turning, which was extremely troublesome. But it's different now. You can easily find the answer by typing the required classes on the computer. Computer is an indispensable thing for students to study. Computers can express sincere wishes to people during festivals. E-mail during the Spring Festival can enhance the friendship and relationship between friends, and promote family relations and happy family life. Pictures on the Internet can send good wishes to people.
There used to be only a dozen TV stations, but now there are hundreds of TV stations, which really makes people dumbfounded! The TV is not as thick as it used to be. Now there is a night crystal TV, which is not troublesome to use. There will be 3D TV in the future, so you can enjoy that happy time without going to the scene!
After I bought food before, I became moldy after a few days. Since I have a refrigerator, the food can be kept fresh and the nutrition of the food has not been lost. A family can live a happy and beautiful life.
If there are no mobile phones, people will still be in trouble. With mobile phones, the distance between people is closer and people's friends are increasing day by day.
Technology makes life better.
From ancient times to the present, there are many peerless celebrities who aim at science and technology: Copernicus risked his life to put forward Heliocentrism; Edison invented the electric light through thousands of experiments; From "three people, there must be my teacher" to "the development of science and technology depends on everyone." These are all around technology.
In ancient times, people never believed in science and technology, burned incense and worshipped Buddha every day, but in the end they had nothing. Many people worship Buddha and believe in it, and eventually they suffer the consequences. However, many people believe in technology. Although many people are guillotined and will not give in when they die, this spirit is the crystallization of science and technology.
In the past, the prescriptions prescribed by people when they were sick were not very effective, and some patients did not need to take medicine in primary school. In this way, many people died of simple diseases in ancient times. Now, not only have superb medical technology, but also advanced machinery for us to use, even the most intractable diseases can be saved.
People nowadays are full and happy. The medical technology developed at present can cure almost all common diseases in life. People whose life span is extended have more time to expand and enjoy life.
With such great wisdom, mankind has discovered and created so many miracles. The internet has benefited thousands of families and sent the space shuttle into the universe at the first cosmic speed. These technologies are unprecedented in ancient times, which is the symbol of human science and technology.
The development of science and technology, the inventions of many scientists, and the hard work of batches of scientific and technological personnel have brought great changes to people's lives and made us live a happy life.
We also have reason to believe that the rapid development of science and technology will be used to benefit mankind, nature and the world.
Technology makes life better.
Technology changes life. Science and technology is the embodiment of a country's comprehensive national strength, the symbol of a country's soft power, the endorsement of a country's image and the significance of a country's real prosperity. Science and technology have entered thousands of households, and let us appreciate its charm, and life is also rich and colorful because of science and technology.
Rice cookers, refrigerators, computers, networks, mobile phones, etc. , is an indispensable necessity in our lives. Life is inseparable from technology, which makes life better. Come and see the changes in my hometown! My hometown, a once poor mountain village. I can feel new changes every time I go home. In the past, the muddy path became a spacious cement road; Old-fashioned black-and-white TV no longer exists, replaced by satellite TV and "networked" digital TV. Satellite TV can receive programs from more than 50 channels in various provinces and cities across the country, while digital TV has realized the dream of "watching whenever you want" ... many, many changes can be said for days and nights.
In autumn, the fields are full of rice, but no one is busy harvesting. What's going on here? "Boom-"is a small mechanical operation sound from far to near. "The harvester is coming!" Grandma said to me happily, "Look!" I saw a strange-looking machine drive into my field. It is pushed forward by caterpillar tracks at the bottom of both sides. While driving, it "eats" the rice in front of it into its mouth like a dustpan in front, then discharges the straw from the back mouth and leaves the grain in the sack on the right. An hour later, my rice was harvested. Grandma smiled and handed the driver 500 yuan. "Thank you! If it weren't for you, it wouldn't be so fast. " "So expensive?" I'm surprised. "Very cost-effective! It takes at least six or seven strong men two days to harvest this land, and now each person has to pay more than 100 yuan a day. It's so convenient to use the harvester and it costs less! " Grandma explained. Looking at the golden rice just collected, my grandmother, who didn't go to school much, said happily, "This is the benefit of' technology'." Yes, one machine solved the most troublesome problem of rice harvesting in rural areas. There will certainly be more and better agricultural machinery to help farmers do more farm work in the future.
"Be proud of advocating science and be ashamed of ignorance." There was an accident earlier: a 5-year-old boy and a 9-year-old girl in a village had diarrhea because of food poisoning. The child's grandmother was superstitious and called a witch to catch ghosts. The witch tossed and turned, saying that the child was well after three days, and cheated the money and left. Not long after, the little boy died because his condition deteriorated. After learning this, the hospital immediately sent a doctor to treat the little girl urgently, and the little girl finally got out of danger and survived healthily. Superstition is a harmful trick, and medicine can save lives. Today, with the development of medical technology, happy people have more time to enjoy life, and our life is like sesame blossoms.
Technology makes life better. With the continuous development and progress of science and technology, 2 1 century science and technology has entered a higher era. As a member of the people of China, we should respect, learn and develop science and technology, have the courage and determination to devote ourselves to science and technology, and use science and technology to develop the broad mind of all mankind! I believe that our life will be better because of science and technology, and the motherland will become more prosperous!
Technology makes life better.
Science and technology is a symbol, representing the primary productive force, enabling people to create a better life and leading us to explore the future and pursue Excellence. So the development of science and technology makes life better.
With the progress of society, people have higher spiritual requirements. With the development of science and technology, movies and television have appeared, and then a more powerful Internet has appeared, so that we can know the world events without leaving home. If we never dreamed of this achievement before, it is that technology has satisfied our spiritual life.
In ancient times, it usually took one or two months for people to travel by horse, but now there are expressway nets and various rapid transportation tools all over the country, which can meet people's various travel needs, which greatly strengthens the economic and cultural exchanges between different places. Looking back on Jian Zhen's six trips to Japan, he finally lost an eye, which is a suffering that modern people can't feel.
The development of science and technology has also extended our life. In the past, it was impossible to treat all diseases in time only by traditional Chinese medicine with very slow curative effect, but now the combination of traditional Chinese and western medicine chemotherapy not only cured the diseases, but also effectively controlled them. Therefore, the average age of people all over the world is rising. And now scientists have developed artificial organs, which can replace us to complete some tasks that we can't already complete. I believe that in the near future, people can really live forever.
Now, science and technology make people's lives better, but unconsciously, people are facing another problem: serious environmental damage. Automobile exhaust makes the ozone layer empty, and deforestation makes the land desertification at will ... This series of problems should arouse our attention, because we are pursuing sustainable development, science and technology are closely related to human life, and continuous progress not only improves our quality of life, but also makes our travel more convenient.
Technology makes life better.
Technology makes life better.
In modern society, science and technology have brought us countless conveniences. Television, computer, internet, mobile phone … these high-tech products have become the necessities of our life and work. Our survival and life are inseparable from them.
In the past, people used ancient envelopes and pens to express their thoughts and greetings to distant relatives or friends. It often took days or dozens of days to send letters to distant relatives or friends. This is not only slow, but also easy to lose letters; Now, all we need to do is turn on the computer, turn on the internet, sit in front of the computer, tap the keyboard a few times, click the mouse a few times, and send a letter to distant relatives and friends in a few seconds.
The Internet has connected all our regions, countries and even the whole earth into a global village, which has narrowed the distance between each of us and each country. In the past, the internet was only used by computers, but today, in the 2 1 century, mobile phones can also access the internet, and there are mobile qq…… ...
In the 1990s, almost everyone had a brick-like mobile phone in his hand, commonly known as "mobile phone".
"Mobile phone" is the "originator" of mobile phone. Gradually, with bb and PHS ... With the evolution of mobile phones, the functions on mobile phones are also very powerful. At first, the function of mobile phone was limited to making phone calls, but now, the function of mobile phone has been increasing day by day. Nowadays, mobile phones can not only make phone calls, but also connect broadband. You can enjoy surfing the Internet on your mobile phone, such as Angry Birds and Gold Miners. Some mobile phones also have gps navigators. No matter where you are, just open it and you will find the position you want.
Not only that, but now 3g mobile phones can also realize video chat. On such a mobile phone, if you want to call a friend. Start a video chat, you can see each other and see what they are doing. ...
Mobile phones have become an indispensable part of our lives. With mobile phones, our food, clothing, housing and transportation are all due to technology. Because science and technology are developing and society is developing, a country can be rich and strong. Because of science and technology, our living conditions will continue to improve and innovate; Because of science and technology, we can build a harmonious and stable society.
It all comes from technology.
Technology makes life better.
Technology makes life better.
I have heard such a question: Is the life of ancient people better or that of modern people? If the person asked is me, I will not hesitate to say, "It is modern people who live well because we have technology, and it is technology that makes our life better."
Since ancient times, human beings have never stopped exploring science and technology. No matter from Confucius' "threesome", there must be my teacher. "or" participate in the development of science and technology "; Whether it is from Newton's gravity to Darwin's theory of evolution or Edison's tungsten light bulb, it is all about "technology".
Science and technology make life better, and the era without science and technology is the era of poverty.
We have all read Du Fu's poem "After three months of war, a letter from home is worth a ton of gold." Let's imagine that if Du Fu had a mobile phone, he wouldn't have to wait for the letter from home in the midst of war. We can often see underground party member risking his life to deliver letters or flying pigeons to deliver books in war movies. If there had been a computer at that time, wouldn't it have avoided some unnecessary sacrifices by sending emails directly? If Bai Juyi had a camera, wouldn't he have to miss Jiangnan so hard?
They are poor, compared with them, how lucky we are. We have computers, mobile phones and cameras, which greatly facilitate our lives. However, this is the result of technological development.
Technology makes life better. With technology, we live healthier, and with technology, we live more environmentally friendly.
The development of science and technology affects all aspects of our lives. Such as dietary fiber, high calcium tablets, vegetable juice, fruit juice and so on. In order to satisfy people's tastes, people make vegetable juice into fruit juice, which makes people's lives more nutritious. For example, functional cement in buildings, including rubber cement and color-changing cement. Besides, color-changing cement. This kind of cement can be used not only as a building material, but also for forecasting the weather. Because it can change color according to the weather, it is also called "meteorological cement". It is because of the integration of science and technology that people's quality of life has been improved.
Because of the development of science and technology, we have discovered new energy sources, replaced some raw materials with more serious pollution, and left a smile of nature and people's comfort.
These are the results of the development of science and technology and the crystallization of science. The influence of science and technology on our lives is obvious. The carriage becomes a car, the car becomes a train, the road becomes a high speed, and the moat becomes a thoroughfare. Technology makes our life better. Science and technology make our life colorful, society is changing, science and technology are developing, and our life is progressing!
However, this is the result of predecessors' struggle. As contemporary youth, we should keep exploring, discovering, innovating and making progress, so as to live up to the ancients and the latecomers, develop science and technology and make life better!
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