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Composition of knowledge and experience in the fourth grade
In daily study, work or life, many people have experienced writing, which can be divided into primary school composition, middle school composition and college composition (thesis). I believe many friends are very upset about writing a composition. The following are eight fourth-grade compositions I collected. Welcome everyone to learn from them. I hope it helps you.

See the fourth grade composition 1 spring like a little girl, with light steps, coming to us beautifully. Spring returns to the earth, spring flowers are blooming, and endless rape blossoms are opening. I sat on the school bus, looking at the picture outside the window, thinking of an incident that happened after school one day in early spring.

That day, a cold snap hit, and it kept raining after school. It happened that a second-grade child stopped by the side of the road because of the school bus. As soon as he got off the bus, the others slipped and rushed from the car to the ground under the road, which was estimated to be 2 meters high. Heavy rain, rape blossoms and dirt turned children into clay figurines. He climbed twice, but nothing happened. I want to pull him up and hear Xiaohua's voice: "Wen Zheng Jin, it's raining hard. He's not your brother. Leave him alone!" "At this time, Xiaohua left. I looked at the red scarf fluttering in the wind on my chest and seemed to encourage me: you must overcome difficulties and pull the child up.

The wind is tearing at my clothes, blowing mercilessly, and the rain is beating my face with cold wind, which hurts like countless small steel needles. I don't care that much. The wind and rain are ruthless, and I have feelings. I grabbed his hand with both hands and tried my best to pull him up.

I helped him on his way home. At this moment, his grandmother happened to come. She quickly praised me as a sensible boy and gave me twenty dollars, which I declined. When I got home, grandma saw me in such a mess and asked me what was wrong. I told her the whole story, and grandma praised me as a sensible child.

Although it rained heavily after school that day, I remember the duties of young pioneers, helping classmates, overcoming difficulties and helping others. I think: as long as everyone gives a little love, our society will be better.

Exercise comment: The little author tells a story that happened on the way after school. Doing good deeds should become the normal behavior of our primary school students. Isn't it like the lyrics quoted by the little author at last, "As long as everyone gives a little love, our society will be better"?

I live in Tian Xiang Jiayuan, Kaili, Nankai District, which is located in the famous Changjiang Automobile Trade Street.

I remember when we first moved in, the Yangtze River Road, which had not been rebuilt, was extremely narrow and the facilities on both sides of the road were outdated. When it is windy in spring, there is dust everywhere, and I dare not open the window all day. Now the Yangtze River Road has become another landscape. The wide road is covered with green paulownia trees, and the new traffic facilities make the road colorful. Changjiang Road has also become a famous auto trade street. Although it is a 4-kilometer-long street, there are more than 100 car dealers along the street, especially in the "May 1" Golden Week this year, the first Changjiang Automobile Expo Week was launched, which not only set up an exhibition area in the whole Yangtze Automobile Trade Street, but also moved the auto show to Changhong Park, and promoted automobile culture and enriched people's holiday life through a series of theme activities.

On the morning of May Day, my father said, "I'll take you to Auto Trade Street." As soon as I entered the BYD exhibition hall, I saw F3 at first sight. There are big red flowers hanging on the car body. The body lines are smooth and the interior is luxurious and elegant. Two crystal headlights are particularly beautiful, as if staring at us with big eyes. According to my father, this car was developed by my aunt and uncle in our country. His technology content is very high, and the air conditioning in the car is particularly advanced. It can be cooled immediately within 3 minutes, and the pleasant sound can bring people into the dream world of cars.

My father and I went to the city automobile exhibition center, where the decoration was gorgeous and beautiful music was playing. The cars on display contained advanced technology and beautiful appearance. There are many beautiful new cars in the exhibition hall, such as swift horse with smooth lines, Cerrato, Yashi, and the popular Bluebird Zhizun. There are also some models suitable for young people: such as the elegant appearance of Scorpio, three boxes of Yida, and the hatchback Tiida. Then my father and I went to several other exhibition halls and saw more new models, which made me interested in cars.

Dad told me about the birth and development of cars. In the long river of history, cars have left us many stories. Since its birth at the end of last century, it has experienced ups and downs for more than one hundred years. From Carl. The first three-wheeled car made in Ben Ci has been running at the speed of18km per hour. Now, it takes just over three seconds to accelerate from zero to 65,438+000 kilometers per hour. How amazing the speed of automobile development in the past 100 years!

I really want to grow up quickly, devote myself to automobile research and win glory for China's automobile industry. I want to have my own Scorpio car, drive my beautiful car on the road, drive my own car to visit places of interest, drive my own car to enjoy the surrounding beauty and fly my dreams.

This summer vacation, our family of three went to Hong Kong. This is the farthest place I have been so far!

In the evening, we went to Victoria Harbour, where there were dazzling neon lights. There are many luxury cruise ships parked in the harbor. I heard that the rich in Hong Kong are not better than their cars, but more luxurious than their cruise ships! It's amazing! Li Ka-shing's office building is next to Victoria Harbour, like a tall pencil, very spectacular!

The next day, we went to Ocean Park, which is really an entertainment world, with giant ferries, surf boats, pirate ships, flying eagles and so on. We played with a windsurfing spaceship, especially when we were going downhill, and we rushed down against the strong wind and really flew thousands of feet! How exciting! Sitting on the Ferris wheel, we can see a panoramic view of Hong Kong. We went to take the flying eagle again. After coming down, my mother patted her heart and said, "God, I will definitely not sit next time!" " "My father and I both laughed.

We went to see the dolphin show again. Dolphins are really smart. Can perform all kinds of difficult movements, especially dolphins can save people! Sea lions are also cute and can make many beautiful moves.

This trip to Hong Kong is really rewarding. Finally, my parents also told me to study hard so that I can travel to more places in the future. I secretly made up my mind that I must study hard and make progress!

I am very excited and looking forward to the National Day. I was accompanied by my uncle, aunt, Xiaoxi, and of course my mother. I slept in the car for a long time and finally arrived in Baoji. As soon as I got there, I said, "I want to play the Dream Hall." My mother said, "I'll play after dinner." I said, "All right." I finished my meal in a hurry and led my uncle and Xiaoxi to the Dream Chasing Hall.

My aunt at Dream Chasing Hall gave me a bag, which contained a map, ten yuan and a passport. I took these things to play. I played first: rainbow candy, post office, making ice cream ... I finally had a snack and we went home after the game.

I thought in the car, "shall we play here tomorrow?" I fell asleep unconsciously.

Today is the last day of National Day. During the National Day, unlike other children, I didn't go out to climb mountains or go to amusement parks. I basically do my homework at home, practice Go and roller skating, and learn to sing the songs of the Young Pioneers. Because my parents are at work, I can't take me to other places to play, but I will take me out as soon as I get off work, visit the nearest place and feel the festive atmosphere.

In fact, this is also very fulfilling. Oh, great! On the first day of National Day, my grandfather and I went to Datang West Market and saw a camel. It's big and furry. I sat on its back and felt a little scared for the first time! Anyway, I still want to say "Happy Holidays" here.

Today, in Chinese class, the teacher asked us to do a test to see what we learned in this chapter. What he said is whether we have mastered what we have learned, whether we know what we have learned, and what needs to be changed in future classes.

In fact, we don't know how many times we have taken this exam. Every time the teacher will explain the test paper to us afterwards, we will try our best to arrange the course according to the progress and exercise our weak links.

I knew there would be an exam in the near future, but I didn't expect it to be today. When the test papers were handed out, the people sitting around me quickly took out their books and looked for topics that could find answers in them, such as lyrics and poems. At the end of the exam, I suddenly found that private letters were flying all over our class, and some even copied other people's papers. Seeing that everyone is so busy, I really want to ask: Is it necessary? In fact, I haven't written many questions in my own test paper. Although I know that I can see the answer by flipping through books, I don't think it is necessary. The exam is an exam, not for us to do our homework below.

Even if you get higher grades in this way, don't you still have no knowledge? Why not face up to your shortcomings bravely? Only in this way can we know our own shortcomings and correct them, right?

Last Friday, our fourth-grade teachers and students went to the beautiful and charming Dalu Lake in Zhaodian for a picnic.

We were only in Grade One that morning, and all the teachers and students set off. We were all very excited when we set out. You hug each other and I hug each other to express our happiness.

We set off, singing as we walked. Wherever we go, as long as there are people, how can those people not look at us? Even when we passed the kindergarten, the children in it were watching us. Along the way, we walked and rested. When we reach a land, we can see endless green wheat fields as long as we look around. Those wheat seedlings are green, and the leaves are bright and dazzling. I used to read sentences describing wheat seedlings, but some of them just felt dull and impermanent. Today, I really realized that wheat seedlings are as green as carpets. I'm a little tired from walking. It's a gust of wind, like blowing me into a wheat field.

About three hours later, I arrived at Dalu Lake. I looked around, ah! The clear water of the endless Dalu Lake seems crystal clear, so I can't see the edge with my telescope at once. It's too big. It's unbelievable. The teacher pointed to Dalu Lake and told us the legend of Dalu Lake. Once upon a time, there was a ... in the continental lake. At the same time, the teacher told us the length and width of Dalu Lake, where there are wild ducks and other birds. Wild duck! Really, some wild ducks swam over. Look at its flat mouth, playing in groups of three or five. The scenery is so beautiful. Ah! A fish jumped out of the water and made a beautiful move, which was amazing. Look, the ripples are still rippling in circles. At this time, another one appeared. I quickly took out my camera and took a picture of it. I really want to go around Dalu Lake and experience the beauty of Dalu Lake. It's a pity that I didn't enjoy such a beautiful scenery as today. "Students, come on, it's time for us to have lunch." Teacher Cui called out to us. I have to follow the teacher.

So, our group found a spacious place and spread a big cloth. The students bring their own food and put it in the middle of the cloth. It's time for lunch. At this time, we have put all the tiredness and troubles behind us. I drank a little water first, and my classmates drank a glass. We ate and played games. We played "pass cookies" and "two little bees" ... This time we had a meal, which was the happiest and most lively for the first time in my life.

How time flies! I should go back before I know it. The teacher called us. After cleaning up, we stood neatly, threw away the team and walked back.

Although the picnic was really tired and hot, we saw the beautiful spring and the beautiful and charming Dalu Lake. Green wheat seedlings, the most lively meal, are worth paying more. Don't you think?

I went to Jingdezhen in Jiangxi this summer vacation. Jingdezhen is one of the four famous porcelain producing areas in ancient China, mainly producing blue and white porcelain tea sets. Elegant and moist, but also exported to foreign countries The poet Peng Zizi commented in his poem: "The floating beam skillfully uses porcelain, and the color wins Qiong Jiu."

In ancient times, it was not easy to make a piece of blue and white porcelain, which required 72 steps to complete. Now the technology has improved, and it can be completed in only five steps. Its first step is "embryo drawing process", which uses the power of machine rotation to draw porcelain clay into a round device with both hands; The second step is "embryo-benefiting process", in which the dry embryo is trimmed with a knife; The third step is "water supplement process", which flattens the embryo and removes the trace of beneficial embryo; The fourth step is "carving process", carving beautiful pictures on the embryo; Finally, the "glaze blowing process", that is, the decoration and beautification process. After porcelain is made, glaze slurry is applied, and then porcelain is fired. A beautiful blue and white porcelain appeared.

I went to a porcelain exhibition market again, and the ballistic guide took the quilt in his hand, washed his hands and sweated, walked around the cup and heard a loud voice, which was amazing. Not only that, but also hamburgers, figures, Buddha statues and chairs made of porcelain are very beautiful and lifelike. Moreover, the carved patterns are different, including old people, rivers and mountains. Very beautiful.

This is what I saw and heard in Jingdezhen.

I learned a lot during this trip to Jingdezhen, which I believe will be of great help to my extracurricular knowledge in the future.