I want a science fiction essay, the more the merrier, more than 600 words. 5

In the future, human beings will no longer be crowded on one earth, but will roam the vast universe to their heart's content. Let me paint a picture of the future world!

In the future, everyone will be able to own a planet. The vast universe is boundless, and there are countless stars in the universe, so how nice it would be if every household had a planet to call home! You may ask:

If there is no sunshine or rain, how can we live there? It doesn't matter, there is a state-of-the-art solar ray reflector, which can spread light to any planet and adjust it at any time as needed, and the water source is also supplied by the space station, which can be regenerated and recycled through purification technology after a one-time supply, so you don't have to worry about running out of water.

Earth, on the other hand, is our scientific headquarters, where scientists study the latest scientific research. The largest information receiving tower in the universe has been built on Earth, and any information can be transmitted to this understanding tower through a computer, and then transmitted to all planets by the understanding tower. In the future, there is also a kind of space express, it is shaped like a speedboat, if you are in a hurry to go to **, you can take the space express, enter the location you want to go on the screen, press the button, as long as you close your eyes, you can get there.

Amazing, right? If you want to enjoy the scenery while flying, you can enter the location and press a button to make the cabin transparent, so you can fully enjoy the beautiful scenery around you. Of course, you can also drive the fast car yourself, it can be used on land, water and air!

You may wonder, how can you manage such a big planet? Don't worry, there is a fully automatic intelligent robot butler to help you manage. For example, if the crop is dry, it will rush there to water the plant, and if it is on fire, it will go to extinguish the ......If you're too busy to leave, you can send it to another planet to buy something.

Oh, and he's a family doctor! If it detects that you have recently been malnourished, it will give you some nutritious food.

This is the world of the future, a world with highly developed science and technology. Let's create this perfect world together!

Scientists are ready to let all the earthlings settle, because the earth is too dirty to stay. Scientists have activated the space shuttles and spacecraft of various countries, carrying more than 8 billion people, and are heading for the new Earth at the fastest speed.

When we arrived at our destination, the new earth was exactly the same as the original clean and beautiful earth. In order to distinguish them, humans named this new planet the celestial sphere, and they began to live and reproduce happily. However, less than a hundred years later, mankind treated the celestial sphere like the earth

wantonly hunting and killing precious protected animals and indiscriminately deforestation; Countless pesticide plants, power plants, cement plants, ...... were builtThese factories emit large amounts of sewage and exhaust gases, the ozone layer of the celestial sphere is getting thinner, and the frequent activity of sunspots has caused large-scale damage to the ozone layer. Clear rivers have become muddy, green forests have turned into deserts, glaciers in the Arctic are melting faster, and at least one low-lying country is flooded by the sea every year.

At this time, mankind has only awakened, but unfortunately it is too late, no matter what means scientists use, it is useless, it seems that the situation has reached the point of no return. Some guys don't care yet, thinking that the celestial sphere is dirty, and it's a big deal to live on another planet. However, the sad thing is that there are only two Earths in the entire universe, and not all planets are suitable homes for human life.

After another fifty years, the celestial sphere, which had been ruined by human beings, suddenly **, and mankind perished from then on.

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Robot cat One night, I was sleeping and had a strange dream that my grandson had sent a cat-type robot to the 21st century to help me with sterling silver in the 22nd century and said to me, "I'll give you a code, if you see one on the wall" "It's coming." When I woke up, I suddenly noticed that a "then" crack appeared on the wall next to me, and out of my pants came something blue, round and blue.

I knew he was a cat-like robot. To my surprise, he turned out to be the robot cat, the main character of my favorite comic book. Before I could react, he spoke first:

I'm a cat-like robot from the 22nd century, referred to as 'robot cat'" After saying that, he took out a bamboo dragonfly and said to me, "Come, let's go play for a while." I said

All right. "We first flew to a big desert, it was hot, we didn't have water with us, and it was very uncomfortable. At this time, I only heard the robot cat say:

Look at mine. "I felt wet. I saw the robot cat and realized that it was it that took out the "weather machine" from the four-dimensional space pocket on its stomach and put the rainy card in it.

When it rains, I feel wet. Then, we flew to a big city, where the air was so dirty that it choked me with a cough. At this time, the robot cat took out the "greening machine" from the pocket of the surrounding space and turned on the switch.

I saw that the air in the city had become fresher, the dead trees had become living trees, and even the small trees that had just been planted by the greening staff had suddenly turned into towering trees. Afterwards, I played around the earth with the robot cat and then went home. As soon as I got home, I thought:

Where do robot cats live? At this time, the robot cat seemed to read my mind and said, "It's okay, I have my own home."

As it spoke, it took out a "building bean" from its pocket in the surrounding space. I put it in the yard of my house and lived there. When my mother woke me up, I realized that it was a dream.

To give you a reference, there is no flood disaster, this short article** is about the importance of water... You guys actually write science fiction ** as an essay.,Or I don't understand.。。。 600 words, sci-fi**...