With the intensification of street traffic and traffic congestion, more and more exhaust gases are emitted, and the self-purification ability of the natural atmosphere has long been overwhelmed.

Obsidian's task is to provide a large number of its viscous, tough, and elastic spider silk to Song Yuanze's team, and they want to study the idea of launching a new low-carbon vehicle exhaust "filter" on this basis.

It was paid 50 fat, juicy fleshy bugs per cobweb.

Alas, as a dry rice spider, sometimes I have to bow my head for the sake of food.

……

[Congratulations to players for entering the long-awaited quiz game!] The theme of this round of the game is "air".

In its natural state, air is transparent, colorless and odorless, and is a mixture, mainly composed of nitrogen and oxygen, which has an important impact on human survival and production.

Air is a necessary condition for the survival of animals and plants, and animal respiration and plant photosynthesis are inseparable from air.

Without air, we would live on a barren desert with no life.

So, how much do we know about air for our survival?

This round of the game is divided into a question and answer mode and a survival mode, and the answer is about to begin, please get ready——]

[1. Name a few plants that are suitable for indoor use to purify the air.] (The more correct answers, the higher the score)]

Tang Qinqin's first thought was the fleshy meat she was very familiar with.

"Spider plants, pothos, tiger pill orchids, white palms, succulents."

[2. What is the only naturally occurring radioactive noble gas in nature?] ]

"Radon."

Radon is a chemical element that ranks 86th in the periodic table of chemical elements, is odorless, tasteless, and radioactive. Radon is found in all stones and soil, and can also be found in water.

Studies have shown that it is the second leading cause of lung cancer.

[3.What are the main components in a car airbag?] ]

"Nitrogen."

[4. The air is wrapped around the outside of the earth, reaching a thickness of about 1,000 kilometers.] This layer of air is known as the atmosphere. The atmosphere is divided into five parts, which layer do humans live in? ]

"Troposphere."

The atmosphere is divided into the troposphere, stratosphere, mesosphere, ionosphere, and fugitive sphere.

Humans live in the troposphere.

And what we often call ozone, is distributed in the stratosphere.

[5. Is it correct to say that air is used for sound propagation?] ]

The propagation of sound requires a medium, and all solids, liquids, and gases are the medium through which sound is transmitted.

So this statement is correct.

[6. Name plants that are not suitable for indoor storage.] ]

"Nightshade, tulips, poinsettias, plums, geraniums, ......"

Thanks to Tang's father and Tang's mother, she likes to raise some flowers and plants every day, and she also knows some about this kind of health-related knowledge.

[The answer mode is over, congratulations to the player Tang Yuanwai for answering all the questions correctly!] The points have been credited and the survival mode is about to begin, so please get ready! Countdown 5, 4 ......]

Before he had time to check the details of the points he had gained, Tang Qinqin was brought into the game world.

[Welcome to Survival Mode!] In the real world, the increasing problem of air pollution has brought various adverse effects on human survival and production activities. And the human beings themselves, who caused all this, gradually began to reap the consequences.

Survival Mode Simulation Environment (1): Motor City.

Main quest objective: Survive for a week.

Side Quest: Break the vicious cycle and wake up the sleeping city. ]

As the mechanical sound fell, Tang Qinqin opened his eyes and looked at his surroundings.

It is worthy of the "Motor City", and as far as the eye can see, the whole world is almost a sea of all kinds of cars.

Tang Qinqin was standing on the side of a narrow road at this time, and the streets were full of large and small cars parked on both sides, and the main road seemed to be very crowded.

The sky above his head was gray, with a familiar but more intense and choking tail smell, Tang Qinqin quickly took out his mask and put it on, and walked briskly to a nearby building.

She noticed that there was no one in the cars parked on the side of the road, and the whole street seemed quiet.

Pushing open the heavy door of the building, you are greeted by a room of bustling people.

How to describe it, some of them look like canned sardines, or some of the morning rush hour subway.

Tang Qinqin, who was startled, smiled amicably at the people who looked back at her to hide the messiness in her heart.

The little hedgehog hidden in her pocket shook her little nose uneasily, and quickly shrunk herself into a ball.

"Hey." It's not a matter to always "look at each other" like this, Tang Qinqin raised his hand and said hello to everyone.

The people in the room whispered to each other for a while, and then they all turned their heads and didn't pay attention to Tang Qinqin anymore.

An old man with a somewhat pale and frail face walked over.

"How long will it take you?"

Listening to this, the voice was also a little weak.

This brainless question made Tang Qinqin's heart even more dazed, but her mind moved and she said, "One day, is it okay?" ”

In an unfamiliar environment, girls must learn to protect themselves.

٩('ω')وI'm really smart.

The old man clenched his fists with his hands, covered his lips and coughed a few times, his face became more and more pale: "Come in." ”

Out of the doctor's instinct to save lives and help the wounded, Tang Qinqin stepped forward to check the old man's condition.

However, in the face of the old man's puzzled gaze, Tang Qinqin finally stopped.

Let's find out the situation first, figure out what the current situation is, and the rest can take your time.

Following the old man into the crowd, Tang Qinqin saw clearly that everyone was not crowded together in a disorderly manner.

Instead, they were divided into small groups, and a group of people sat around a small round table with a pot of green plants in the middle, and the people sitting around them breathed deeply in a reverent, cautious, and orderly manner.

That state, that look, like a believer who has fallen into a demon, is a little nervous.

Tang Qinqin was arranged to sit in an empty seat in the corner.

She looked at it quietly, and the people around her, young and old, men and women, were sickly white, thin, and coughed a few times from time to time.

She couldn't help but frown.

Listening to the voice and looking at the complexion, she confirmed that this group of people all had infectious respiratory diseases, and it stands to reason that they should be hospitalized in time, and no matter how bad they are, they should be bedridden, isolated at home, and treated with medicine.

She quietly stuffed a Chinese medicine pill into her mouth, and didn't forget to stuff half of it for the little hedgehog.

At this time, a girl sitting next to her turned her head and glanced at her.

"It's your turn."

Tang Qinqin was stunned for a second, and then leaned his head over and took a deep breath with an intoxicated face.

It was a pot of pothos that was not growing well, and some of the leaves were yellow and wilted.

There is no special smell in the air, except for the sour smell of sweat due to the dense crowd.

A group of patients with respiratory diseases gathered to "suck" pothos.

Could this be some kind of strange local ritual?

Tang Qinqin was a little confused.