There is an urgent need for three narratives or papers of about 800 words in senior high school composition. 1. Facing disaster 2. Watch home 3. Advantages and disadvantages of low-carbon life

1985, French scientists found that ants can put out fires. Later, an experiment by a British zoologist confirmed the findings of French scientists.

British scientists put a plate of lighted mosquito-repellent incense into an ant nest. At first, the ants in the nest were frightened. After about 20 seconds, many ants rushed to the fire and sprayed formic acid. But the amount of formic acid that an ant can spray is limited after all, so some "warriors" are buried in the sea of fire. However, they went on, and in less than a minute, they finally put out the fire. He immediately moved the body of his "comrade-in-arms" to a nearby "cemetery" and covered it with a thin layer of soil to show his burial.

A month later, the zoologist put a lighted candle in the original ant nest for observation. Although the "fire" is bigger this time, this group of ants has already had experience, quickly dispatching troops, cooperating and fighting in an orderly manner. In less than a minute, the candle went out and no ant was killed. Scientists believe that ants have created a miracle of fire fighting.

The extraordinary performance of ants in the face of extinction is particularly shocking.

When the wildfire burns, in order to escape, many ants gather quickly, curl up together, and then roll like snowballs to escape from the fire. The crackling burning sound is the cry of the outermost ants when they explore the road to survival with their bodies, and it is a cry of selfless care and no regrets.

When the flood raged that year, people gathered on the dam stared at the fierce waves. Suddenly, someone exclaimed, "Look, what is that?" A head-like black spot floated along the waves, and everyone was preparing to approach the rescue. "That's an ant ball." An old man said, "Ants are very spiritual." 1969 flooded and saw an ant ball the size of a basketball. When the flood came, the ants quickly huddled and drifted with the waves. Some ants in the outer layer of the ant ball will be hit into the water by the waves. But as long as the ant ball can swim to the shore or touch the big drift, the ant will be saved. "Before long, the ant ball fell to the ground, and the ant colony, like the soldiers on the landing craft, opened layer by layer and rushed to the embankment quickly and orderly. There is a large group of ants left in the water on the shore. That's the hero victim in the ant ball. They can't climb ashore anymore, but their bodies are still tightly hugged. So calm, so miserable ...

There is an old saying in China: "Camels carry a thousand kilos, and ants carry a kilo." This is a kind of power to carry the load from its own weight. Ants are far more powerful than camels. American scientist Franklin said: "No animal is more diligent than ants, but it is the most reticent." After understanding the selflessness and wisdom of ants in the face of disasters, these were originally profound and wonderful praises to ants, which seemed somewhat eclipsed. How much inspiration can a little ant give people?

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Face the difficulties calmly.

Today, we learned the article "Challenge to Fate", and I was deeply touched. Hawking and I are really different. Hawking insisted on exercising and studying when he was ill, which many people could not do. But he has always inspired his courage with his strong persistence and determination to overcome difficulties. He also wrote "A Brief History of Time-From the Big Bang to the Black Hole" under the torture of illness. How difficult it is! His spirit of not being afraid of difficulties, not afraid of failure and daring to challenge fate inspired my life and is a gorgeous banner on my life path.

"Strong-willed, can move mountains. On the road of life, only those who are strong-willed, brave enough to overcome difficulties and dare to challenge fate can win. "

"Strong will can move mountains." This is the absolute truth. You see, in Xiaotian, two-thirds of the paralyzed Sister Heidi are struggling in wheelchairs. If she wants to achieve something, she must work harder than others. However, she did not bow to fate and gave in to difficulties. She firmly believes that there is no mountain that cannot be climbed, and there is no river that cannot be crossed. In the face of many difficulties, she went forward bravely and made great strides. She completed the middle school course by herself, studied foreign languages diligently and translated more than 300,000 foreign literary masterpieces. Sister Heidi, whose perseverance is amazing, didn't climb the mountain of success step by step with strong will and unremitting efforts?

Balzac famously said, "Difficulties are an abyss for the weak, but great wealth for the strong." Yes, if a person succumbs to fate and difficulties, then he can only be a weak person, but if he is strong-willed in the face of difficulties and dares to challenge fate, then he will be a strong person in life. Hawking is not afraid of difficulties, failure, and the spirit of challenging fate reveals a true meaning to us. "Difficulties and hardships make people with weak willpower fall into the quagmire of failure, and people with strong willpower climb the peak of success." Throughout the ages, most successful people have experienced some hardships and walked out of hardships. Isn't it Sun Bin, the author of Sun Tzu's Art of War, Hua, a self-taught mathematician, Madame Curie, the world-famous mother of radium in the morning, and Edison, a great inventor?

Gorky once said, "Let the storm come more violently." Yes, difficulties and setbacks are like spices in life. Without them, life would be dull. Let's be like a petrel in a storm, full of lofty sentiments and ambitions, face the setbacks of life with a smile and taste the joy of success!

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Shouwang home

Throughout the ages, Mother Earth has raised countless generations of children and grandchildren with sweet milk. She used to be beautifully decorated by her schoolmates. People love and respect her! Because she is unique, without her, there would be no us. However, after a long period of development and progress, great changes have taken place in our society, people's lives are getting better and better, and there are still many big gaps in people's ideology and morality. For their own interests, they began to ask for her and torture her in the dark. Our earth is now facing a serious environmental crisis. "Save the Earth" has become the strongest voice of people all over the world.

Once, people hacked and hacked, destroying the ecological balance of nature. The desert swallowed thousands of hectares of fertile land, the flood washed away our lovely home, and the revenge of nature embarrassed mankind. Meishuixi once said that there would be no human beings without nature, which is the simplest truth in the world. Blindly plundering and conquering nature will only destroy the ecosystem and bring mankind to the brink of difficulties. This sentence is absolutely true. People don't give face to nature, and nature certainly won't give people a way back. 1998 flood, 2000 sandstorm, in fact, this is the warning issued by nature to mankind.

Once upon a time, people arrested and killed indiscriminately, which made human friends suffer greatly. "There are no birds in a hundred mountains, and there are no footprints in a thousand paths", which is the truest portrayal of the consequences of killing animals. From the bear injury of college students to the crazy hunting of fools, will humans also point their guns at themselves? Remember, protecting animals means protecting ourselves.

When the war broke out, the earth on which we lived was devastated. Although the mushroom cloud over Hiroshima and Nagasaki has dissipated for more than half a century, it is still barren. Therefore, peace is an important prerequisite for environmental protection of all mankind.

I really can't imagine what our mother earth will become if we continue like this. What kind of tragic scene will this world be? Nothing grows on the ground, the sky is full of dust, and human beings will become piles of bones in the scream of the devil. At that time, we could only say that man once belonged to the earth, but the earth will never belong to man again.

I feel very sad to see this mother earth who lost her vitality in the past. My mother raised us. Can we repay her like this? As a teenager in the 2 1 century and the future successor of the motherland, if I don't understand the composition of human environment and the seriousness of environmental problems, ignore the laws and regulations on environmental protection, don't enhance environmental awareness, and don't consciously fulfill the obligation to protect the environment, our lives will be destroyed in our own hands, and God will severely punish us.

Gu once said that every man is responsible for the rise and fall of the world. The historical task of protecting the environment and maintaining ecological balance should fall on our cross-century generation. To this end, I am determined to start from me, care for the environment, vigorously publicize the responsibilities and obligations related to environmental protection, start from small things, don't litter, don't use disposable goods, plant trees ... protect our home and be an environmental guardian.

I call on everyone to care for nature, the earth, hand in hand, shoulder to shoulder, heart to heart, to build a green levee, protect resources, protect the environment, protect the earth, protect our mother earth and protect our beautiful home!

Let's prove our determination with practical actions and give Mother Earth a better tomorrow!

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Shouwang home

I remember that Xi Murong, a poet in Taiwan Province Province, had a song "Father's Grassland and Mother's River", which profoundly expressed a wandering overseas wanderer's yearning for his hometown of Inner Mongolia grassland. Everyone has his hometown, whether she is a city or a country, whether she is poor or rich, whether she is prosperous or remote, she will always be the hometown that wanderers miss and the home that their families watch.

I was born and raised in Inner Mongolia. Look at gorgeous street lamps, colorful neon lights, beautiful trees, beautiful flowers, bustling shopping malls, bustling crowds, unique buildings and personalized clothes. In short, with rapid development and rapid changes, I am proud of my hometown and my home.

Today, however, what I want to write is that there are shadows in the bright sunshine and spoilers in the civilization of the city. I remember the ancients said: don't do it with small goodness, don't do it with small evils. Every spring, when the long dust replaces the sunshine, people often make such a curse, but isn't it difficult for us to be cursed? There are many reasons, such as uncontrolled mining of minerals, cutting and destruction of plants, random discharge of sewage, over-stocking of grassland livestock and so on, which lead to frequent sandstorms. I remember that Inner Mongolia TV once reported that someone was facing the camera, his face was not red and his heart was not beating. He also said that Allium mongolicum Regel is delicious. He wants me to see that people's spring outing is called outing, and our spring outing is called pulling shallots. Good people should be merciful. The city is our home, and we should add luster to it, no matter who reads my article.

As long as you see it, please mobilize with me to defend our hometown and our warm home.

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Shouwang home

In an instant, the ruthless earthquake demon devoured tens of thousands of homes; In an instant, tens of thousands of homes were scattered; In an instant, no matter how you shout and pray, the person you love still hasn't opened his familiar eyes; In an instant, all hope, all beauty, collapsed with the disaster. ...

But, but you haven't lost everyone: our country, our government, our people's fighters, and everyone in Qian Qian who cares about the disaster area.

"As long as there is a glimmer of hope, we will never give up." Dear Premier Wen delivered the most touching speech after inspecting the disaster relief site.

"unite as one and give love." Government agencies, enterprises and institutions, overseas Chinese, caring organizations and many strangers all over the country and even around the world have lent a helping hand. When one side is in trouble, all sides help: even the old beggars who beg for a living donate a week's hard-earned money. ...

Where there is a disaster, there are our lovely people who send their own soldiers. They never sleep, defend people's lives and property with childlike innocence, defend the motherland and write touching chapters. There are also rescue teams all over the world, and volunteers support the people in the disaster areas in unnecessary ways. ...

Under the collapsed ruins: an old man who is close to the flower always hugs his dead wife; A simple rural couple protects their children with their bodies; An ordinary kindergarten female gardener cares for her young children with her youth; Under the ruins of a primary school teaching building, a pair of tender and tender voices encourage and warm each other. ...

Life is so fragile and so strong in the face of disaster; There is no reason why we should not cherish our lives. Because living itself is a kind of happiness; Because there are always people watching you, never leaving, never leaving.

Homes are gone and can be rebuilt from the ruins; Life is gone, hope will continue, because the dead have pinned all their hopes on the living, so we should be strong, brave and optimistic, and live in hope.

Let's put our hands together, ring the bell of hope and pray sincerely: bless the living and pray for the dead; Wish our motherland peace and prosperity; Our world is beautiful and peaceful; I wish all of us peace and health!

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Advantages and disadvantages of disposable chopsticks

With the accelerated pace of life, disposable items are gradually increasing. Disposable chopsticks are very common and were invented by the Japanese.

The advantage of disposable chopsticks is that many people like them. The survey found that people think that using disposable chopsticks is both sanitary and convenient. From processing to finished products, it has never been polluted. Using such chopsticks has absolutely no effect on the body, so it must be very reassuring. Using wooden chopsticks in restaurants may cause cross infection, so don't worry about disposable chopsticks. Besides, it's convenient. You can use disposable chopsticks when you go out for a picnic without tableware, and you can throw them away when you use them.

Have consumers considered whether disposable chopsticks are really convenient and hygienic? Has anyone asked questions? Although I haven't tested whether there are sanitary indicators such as large intestine index on disposable chopsticks, it is certain that the sanitary problems of disposable chopsticks are questionable. From cutting down trees to processing disposable chopsticks to transporting them to the payer, even if they are disinfected in this process, who knows which links they have gone through and whether they have been polluted in this process? In this sense, it is unsafe to use disposable chopsticks. So, is it convenient? It's not convenient at all Those rough disposable chopsticks are uncomfortable in your mouth, thin and soft. Eating vegetables and rice is very troublesome, especially when eating noodles.

The consumption caused by disposable chopsticks is also huge. According to relevant statistical results, one mu of forest can produce 1 m3 of wood, and this 1 m3 of wood can produce about 8 boxes of disposable chopsticks. It is understood that a medium-sized city in China uses 90 million pairs a year. According to the calculation of every 500 Shuang Yi boxes, it is about 6,543.8+0.8 million boxes, which will consume 22,500 mu of forest every year, and "eat" 6,654.38+0.6 mu on average every day.

Disposable chopsticks may also produce a "greenhouse effect", because of the vicious circle, fewer trees, more carbon dioxide, thicker atmosphere and difficult heat dissipation, which produces a "greenhouse effect".

From the perspective of food hygiene, dining requires tableware and food to meet hygiene standards. What's the use of small chopsticks if they are hygienic but otherwise unsanitary? Moreover, it is easy to ask chopsticks to be hygienic. As long as chopsticks and bowls are put together for steam disinfection, it is economical and practical, and the disinfection effect is the best. Operators can save a few coppers without using disposable chopsticks. Why not?