In real life or work and study, everyone often comes into contact with compositions. Compositions can be divided into primary school compositions, middle school compositions, and college compositions (essays). Still at a loss for composition? The following is the composition of the second unit of the fourth grade volume I collected and compiled. I hope it can help everyone. Composition 1 of the second unit of the fourth grade volume 1
The weather on Sunday, December 23, 20xx: sunny to cloudy
At noon today, I took a look at the mung bean sprouts. Because it was very dry outside, The mung bean sprouts were a little short of water, so they bent down and lowered their heads to rest. I added a few drops of water to the mung bean sprouts. The mung bean sprouts took to the water like a fish in water. They gradually straightened their backs, raised their heads, and were full of energy.
I looked carefully and found that the lower stems were growing thicker and thicker, and the red color spread to more places. The deepest areas were the two triangular areas, which had turned purple, almost the same color as mature mulberries. It will definitely become darker in color in the future, or even turn black. After the leaves formed by the douban have fallen, you will find that the stems under the leaves formed by the douban are about 1 mm thicker than the newly grown leaves, and each stem extracted is thinner than the last stem extracted.
In the afternoon, I came home and saw that the small leaves that grew last time were separated a little, like a newly opened lotus. There will be some fluffy hairs on the newly extracted stems and newly grown leaves, similar to the fluff on a stuffed toy. However, my mung bean sprouts also encountered dangerous enemies. Some ants will crawl over and take a few bites of mung beans, eating them with relish. What's even more disgusting is that sometimes they will bite down a mung bean sprout and ask some brothers to move it away. It's really deceiving. It is because of these ants that I originally had more than 20 mung bean sprouts, but now I only have 7. These mung bean sprouts are really lucky. Some of them are 7 centimeters tall, and the shortest one is 4 centimeters tall. They are so vital!
If you want to know more about the secrets of mung bean sprouts, try it yourself! Fourth Grade Volume 1 Unit 2 Composition 2
(1)
Today, the teacher gave us an assignment, asking us to observe mung bean sprouts in order to train our observation skills.
I first found a glass, filled it with tap water, and then found a few mung beans. The small, hard mung beans rolled around in my hands, like a few naughty troublemakers. At this time, I tilted my hand, and the mung bean jumped into the water like a diver, and fell asleep quietly inside.
I hope the little mung beans can grow up quickly and sprout leaves as soon as possible.
(2)
At night, I tossed and turned and couldn't sleep. I got up several times to see any changes in the mung bean sprouts. However, every time I came to see the mung beans, they were still a few small, hard mung beans. I went back to bed disappointed and fell asleep.
The next day, I got up early and walked to the bottle with mung beans. Some of the mung beans had broken skins, and a small white bud grew on them. Oh, it turns out that the little mung bean has grown up, and its skin is burst by the fat body. But some have no change, but their bodies are swollen and seem to be about to burst.
What will you become, little mung bean? I really look forward to your changes! Fourth grade volume 1 unit 2 composition 3
September 30, 20xx weather: cloudy
Today, after I woke up early in the morning, I saw that the mung beans I soaked yesterday had taken off their green color. My clothes, which looked bright green on the outside, turned bright yellow. The newly grown mung beans are like a newborn baby sleeping quietly under the water.
Weather on October 3, 20xx: Sunny
Tonight, I just came back from traveling. As soon as I entered the house, I couldn’t wait to go to the shoe cabinet to see how my mung beans were doing. . The mung bean has sprouted. Its buds start to grow from the top of the mung bean. The front end of the bud is pointed and gradually becomes thicker from head to toe.
Weather on October 7, 20xx: Sunny
Today, I got up early in the morning and went to observe the mung beans I soaked. Unexpectedly, it had grown very big.
The most eye-catching thing about mung beans is the two leaves. The leaves of mung bean sprouts are thin and long, like the ears of a little white rabbit. The leaves were blown by the breeze, and the straight stems swayed, as if greeting us, and seemed to be dancing.
This is really a lovely mung bean sprout! Composition 4, Unit 2, Volume 1, Grade 4
The lotus body is a treasure, its roots, flowers, leaves and fruits are all good treasures.
Lotus flowers can be used to make tea. Lotus tea has the functions of clearing away fire, detoxifying, calming the mind, replenishing the liver and strengthening the spleen. It also has the functions of preventing cancer, fighting cancer and preventing stones. The lotus has a refreshing fragrance. It stands tall and graceful, protruding from the mud, but there is no mud on the flower. It is worthy of standing out of the mud without being stained!
The lotus pod can be used as medicine, and the lotus seeds in the middle can also be used as medicine. Lotus seeds have the effect of clearing away heat and detoxifying. Cut the lotus seeds in half, and a green leaf will appear in the middle, which is the lotus seed heart. After the lotus seed heart is dried, it can be soaked in water. It tastes sweet and bitter. Lotus seed heart has the effect of removing heart fire.
Lotus root can be made into delicacies. When you bite the lotus root, it will pull out silk, which has the effect of tonifying muscles. There are many ways to cook lotus root, including stir-frying, boiling, making soup, and cold salad.
Lotus leaves can also be used as medicine. They have the effects of cooling blood, stopping bleeding, and dispersing blood stasis. When the sun comes out, the little fish can hide under the leaves to enjoy the shade, so it is also a sun umbrella for the fish.
Ancient poem: Green lotus covers green water, and hibiscus is covered with red. There are lotus roots with roots underneath and lotus with heads above. It is said that the whole lotus body is a treasure. Fourth Grade Volume 1 Unit 2 Composition 5
It is not that there is a lack of happiness in our world, but that there is a lack of eyes that can discover happiness. During class, even a few poisonous little centipedes brought us a lot of joy. During the precious 25 minutes between classes yesterday, there was no flag-raising ceremony. During this time, Ye Ling and I had been watching and playing with centipedes on the wooden piles in the carport.
After the second class yesterday morning, Ye Ling ran to me and said, "I found a centipede next to the wooden pile!" We ran there immediately, and Ye Ling picked up a thin branch and After fiddling with the seam for a few times, a centipede came out. Looking at its thin body, it looked like a black noodle with small yellow spots. The "noodles" squirmed slowly on the wooden pile, twisting around as if dancing. Looking at it carefully, I found that its countless tiny little feet were helping the centipede crawl. I think centipedes are scary, but I have never seen them before. I wanted to broaden my horizons this time, so I picked up branches and emboldened myself to "kill" them.
I picked it off with a branch, pressed the centipede hard, and lifted it up. Hey! Still alive! Ye Ling also came to poke it, but the "noodle" wouldn't die no matter how hard it was poked. In the end, Ye Ling spent a lot of effort to cut off the "noodles". I thought the centipede was already dead, but in fact it was not. In less than three minutes, it moved again.
What a small animal with tenacious vitality! Fourth Grade Volume 1 Unit 2 Composition 6
In the rain, there are many beautiful things: people, things, everything is so fresh and beautiful.
This morning, the weather was very cool, so we decided to go to the square to play. The square is very lively: there are children practicing martial arts, young people walking, and old people doing radio exercises. We were running in the square, very happy.
However, the weather was unpredictable. There was a glimmer of red light in the sky in the morning, but now it started to rain. The rain is like broken beads, falling drop by drop. Later, the rain gradually became heavier, like basins of water pouring from the sky. The rain was getting heavier and heavier, so we all hid in the pavilion and sat in the pavilion to enjoy the rain scene: the rain slapped on the grass, and the grass nodded to it; the rain slapped on the big trees, and the big trees waved to it, and they all gulped. Suck the sweet rain and dew. I was immersed in this charming rain scene. Suddenly, a drop of water fell on my head. I looked up in the direction of the dripping water, and it turned out that the pavilion was leaking. The top of the pavilion is covered with thick vines, and there are large gaps between the vines, and naughty raindrops take advantage of the situation to drip down.
It's raining heavily outside and light rain in the pavilion, which leaves us with nowhere to hide. What to do? We had to stand in the corner of the pavilion to hide from the rain, but there were still raindrops falling from the corner.
Note: I am busy and have not finished writing yet. I look forward to the next article coming out! ! Fourth Grade Volume 1 Unit 2 Composition 7
I have many toys, but my favorite toy is a fluffy little fat pig. This little fat pig was a birthday gift from my mother to me on my birthday. Because he is very cute, I fell in love with him the first time I saw him. It was "love at first sight"! Because my name is Sun Yifei, I named the little fat pig Xiao Feifei.
Xiao Feifei is all pink. He was so fat that he even had no neck, and a pair of big, swooping ears became the dividing line between his head and body. There is a pair of curved and thin black eyebrows on the top of his head. There is a pair of small round black eyes under the eyebrows. Xiao Feifei's eyes are very bright and lively, as if they are telling me something. His face was so plump that he had a big cylindrical nose between the two fat faces. The tip of his nose was white and had a pair of small black nostrils. Under the nose is a small pink semi-circular mouth. The four calves are like four short and thick pillars supporting the fat body. There is also a short curving tail behind it.
I love Xiao Feifei very much. When I was doing my homework, I put Xiao Feifei on the table to accompany me. I slept with Xiao Feifei every day. In winter, I put him next to the heater. I gave Xiao Feifei a bath every week. When I have nothing to do, I will also tell stories to Xiao Feifei. Xiao Feifei's talking eyes told me how happy he was when he was with me.
This is my favorite toy, Xiao Feifei. Fourth grade volume 1 unit 2 composition 8
It is composed of water droplets, but sometimes accompanied by ice crystals. It is mainly formed by the condensation of water vapor caused by the rising cooling of air convection. Therefore, the shape characteristics of cumulus clouds are closely related to the characteristics of air convection movement. When a cloud of air rises, the horizontal distribution of its internal water vapor content and temperature is basically uniform at the beginning, so the height at which water vapor condenses is consistent. Therefore, a cumulus cloud has a horizontal bottom. Because in the formation stage, there is updraft inside the cloud and the updraft is strongest in the center of the cloud top and weaker around it, and there is downdraft outside the cloud, resulting in cumulus clouds having a rounded, upwardly convex top and a distinct outline.
Cumulus clouds mainly form during the day because sunlight heats the air and, on the other hand, the ground also heats the air. Cumulus clouds can also form on mountaintops during the day because the slopes heat faster than the valley floors. This unstable heating creates convection in motion. Cumulus clouds sometimes form with or ahead of cold fronts. Because in the frontal zone, the air is forced to rise.
The height of cumulus cloud base is generally 600-1200 meters in areas with high humidity and 3000 meters in dry areas. The base of cumulus clouds is close to the ground in the early morning and rises in the afternoon.
The relationship between the relative position of the upper limit of convection and the height of condensation and the formation of cumulus clouds
Cumulus clouds usually appear in humid areas and tropical areas, but sometimes also appear in dry areas. Showers will not occur unless the cumulus clouds turn into cumulonimbus clouds, especially after midday cloud stacks and cumulonimbus clouds indicate that showers are likely.