CATDOLL : CATDOLL: The main content of the article Firefly (What is the main content of the article Firefly)

1. What is the main content of Firefly King in 50 words?

The protagonist of this article, "Grandpa" - Qu Baogen, was lost when he was a child. It was five tiny fireflies that led him out of the predicament. From then on, Qu Baogen had an indissoluble bond with fireflies.

2. What is the main content of "Insect Diary: Firefly"?

Fireflies feed on snails. Although some snails crawl onto branches and leaves with the same body color as them, they will still be discovered by fireflies. Before eating snails, fireflies always inject anesthetics into the snails first, and then kill the snails with the small hooks under their jaws. Then all the family members will come and inject digestive juice into the snail's body, turning the solid meat into gravy, which everyone can share together.

3. What is the full content of Rabindranath Tagore’s “Fireflies”?

Full text of Firefly:

Little fireflies, in the woods, in the dark twilight,

How joyfully you spread your wings!

You poured out your heart in joy.

You are not the sun, you are not the moon,

Is your fun reduced?

You have completed your survival.

You light your own lamp;

All you have is your own.

You are indebted to no one for grace;

You just obeyed.

The power within you.

You broke free from the bonds of darkness,

You are small, but you are not insignificant.

Because all the light in the universe,

They are all your relatives.

Light yourself up in the dark night sky and send a ray of light to you far away.

All that happiness comes from the burning me and the blurry you in the dark night.

4. Insect Life - What is the main story of the article Firefly?

Fireflies have six short legs and colorful colors. Their bodies are chestnut brown, their chests are red, and the edges of their ring-shaped clothes are dotted with some bright red spots. Fireflies live by sucking the flesh of animals. They like to suck the flesh of snails the most. Fireflies suck the flesh of snails cleanly, leaving only an empty shell inside. "Souvenirs Entomologiques", also known as "The World of Insects", "The Story of Insects", "Notes on Entomology" or "The Story of Insects", is a long biological work written by French entomologist and writer Jean-Henri Casimir Fabre, with a total of ten volumes. The first volume was first published in 1879, and the whole book was first published in 1907. This work is an insect biology work that summarizes the types, characteristics, habits and mating habits of insects. It records the real life of insects and expresses the spirituality shown by insects in their struggle for survival. It also records Fabre's motivation for being obsessed with insect research, his life ambitions, knowledge background, living conditions, etc.

The author integrates the colorful life of insects with his own insights into life and views insects with humanity. His words reveal the author's respect and love for life.

5. What are the main contents of "Reading at Night with a Firefly" and "Turning an Iron Rod into a Needle"?

The main content of Firefly Night Reading

Che Yin of the Jin Dynasty was quiet, diligent, tireless, knowledgeable, and well-versed. His family was poor and often had no lamp oil. In the summer, he used white silk to make bags, put dozens of fireflies in them to illuminate his books, and studied day and night.

It is said that Li Bai was studying in the mountains, but he did not make any progress for a long time, so he decided to give up. When he passed by this stream, he met an old woman who was grinding an iron pestle. This was strange, so Li Bai asked why. The old woman said, "I am grinding it to make a needle." Li Bai was moved by the old woman's perseverance and was ashamed of giving up halfway, so he returned to the mountains and completed his studies.

6. What is the summary of the Insect Diary: The Thorny Sand Wasp in 50 words?

"Insect Life" is a work on insect biology that summarizes the types, characteristics, habits and mating habits of insects, and records the real life of insects.

Chapter Summary

Chapter One: Records the interesting living habits and superb instincts of the scarab beetle that pushes dung balls, the segmented mud wasp that preys on jewel bees, and the yellow-winged locust mud wasp.

Chapter Two: Records the living conditions of the spiny sand wasp that performs surgery on yellow cutworm larvae in the barren stone garden.

Chapter 3: Records the parasitic behavior and feeding methods of mason bees, bee flies, and fold-winged wasps.

Chapter 4: Records the hunting and nesting characteristics of long-bellied bees, leaf-cutter bees, resin-collecting bees, and longhorn beetles driven by their instincts.

Chapter 5: Records the hexagonal cells built by wasps and the geometric accuracy of their calculations.

Chapter Six: Records the unremitting efforts of insects such as wolf spiders, orb-web spiders and scorpions to survive.

Chapter 7: Provides a detailed introduction to the marriage customs, egg-laying and other aspects of insects such as the golden ground beetle, pine gill beetle, swamp iris weevil and firefly.

Chapter 8: Records the habits of insects such as scented tree aphids, bee aphid flies, and ribbon orb-web spiders.

Chapter 9: Prove that humans do not exist in isolation, all life on Earth is in the same closely connected system, and insects are an indispensable link in the Earth's food chain.

Chapter 10: Reveals the deep affection these insects have for their lovers and children, and composes a love poem in the insect world in vivid and plain language.

Introduction to "Insect Life"

"Insects" consists of ten volumes, each of which consists of 17 to 25 chapters. Each chapter describes the life of one or several insects in detail and profoundly, and also includes some biographical articles about experiences and memories. In the book, the author describes how tiny insects abide by the laws of nature and make unremitting efforts to survive and reproduce.

Based on his lifelong experience and achievements in insect research, the author observes insect nature from a humanistic perspective and uses insect nature to reflect social life. He focuses on introducing the external morphology and biological habits of the insects he observed and studied, and truly records the instincts, habits, labor, and death of several common insects.

Introduction to Fabre

Jean-Henri Casimir Fabre, a French entomologist, animal behaviorist, and writer, is known as the "Homer of the insect world" and the "Virgil" of the insect world. Fabre spent the first few years of his life at his grandparents' home in Maraval, not far from his home. At that time, the young him was attracted by the lovely insects such as butterflies and katydids in the countryside.

7. What is the main content of the article Plant Home?

Main content:

"Plant Home" is a popular science article that mainly introduces a bold idea proposed by researchers from the Department of Biology at the University of California in 1983: they tried to use artificial methods to transplant a certain luminous gene into the genes of plants, so that the plants would emit light.

To realize this fantasy, the research team conducted careful analysis and research and boldly conceived to transplant the firefly's luminous gene into tobacco cells, allowing the tobacco to grow into luminous plants, creating a night spectacle in the University of California Botanical Gardens, and further revealing the mysteries of life.

Based on their research findings, scientists have made bold assumptions, put forward hypotheses, and verified the hypothetical exploration process, which has opened the scientific door to the mysteries of life for us. The language is accurate and vivid, and the content is in-depth and interconnected.

original:

Anyone who visits the University of California, USA, always goes to the botanical garden of the university to enjoy the wonderful night view. After night falls, you will see patches of purple-blue fluorescence. Is it fluorescent lights flickering in the fields? No, it is because there are some plants that can emit fluorescence.

This originated from a bold idea proposed by researchers from the Department of Biology at the University of California in 1983. They tried to artificially transplant a luminous gene into the genes of plants, so that the plants would emit light. In order to realize this idea, the research team conducted careful analysis and research and decided to use tobacco as an experiment.

They envisioned implanting the luminescent gene of fireflies into tobacco to make it fluoresce. After understanding the luminescence mechanism of fireflies, they found the luminescent gene in firefly cells and a bacterium that can directly infect tobacco, using it as a "carrier" for transplantation. The researchers first used an internal cutting enzyme to "cut" the luminescent gene in the firefly cell nucleus; then used a ligase to "stitch" it onto the bacteria that served as the "carrier."

After the bacteria are cultured for a period of time, they are allowed to infect tobacco plants. In this way, the glowing genes of fireflies are transplanted into the cells of tobacco. When these tobacco plants grow up, they become authentic artificial glowing plants. The night wonders in the Botanical Garden of the University of California are created by this glowing tobacco.

Scientists created this miracle not only for tourists to see and see, but more importantly, they wanted to further reveal the mystery of life through this research. This biotechnology of transferring genes from foreign organisms into plants is called "plant genetic modification technology", and this plant is called "genetically modified plant".

After the success of this research, scientists have made bold and optimistic assumptions about the future. For example, in the future, there will be no need to install street lamps on both sides of the highway, but just plant rows of luminous plants. We believe that the magical biotechnology will add more brilliant colors to our future life.

Additional information

This is an explanatory article that combines knowledge and science. By reading this article, students can learn about the characteristics of artificial luminous plants, their origins, and the effects of this scientific invention and its contribution to mankind. For fourth-grade students, there are not many explanatory articles. Learning the accuracy of the words used in explanatory articles and mastering the explanatory methods are the key to learning, which are also the two difficulties of this article.

In view of the above analysis, in the design teaching, we pay attention to the explanation method of giving examples from the very beginning, and infiltrate the learning and application of this method five times in the whole process. After completing this lesson, you can not only understand the explanation method of giving examples in the text, but also apply this method in real life.

At the same time, through independent reading, they can chew on the essence of the text, internalize it into their own language emotions, and understand the accuracy of the words in an independent, cooperative, and exploratory learning method. They can also feel the magic of science through learning and develop an interest in exploring science.