I cried countless students in the exam

Chapter 137 Teacher Xiao Shen is on fire! (5000 words for this chapter!)

The class in the morning is biology class, and he will teach the third and ninth classes of senior high school, which is also the class he leads himself.

The students are already sitting safely in their respective positions.

Shen Ping was standing on the podium to read the lesson plans, when he suddenly heard the voice of the school leader at the door, turned his head to look, it turned out to be the school leader, and there were some strange faces, they should be the parents of the students, but the school brought them here Attended the lecture.

Shen Ping walked off the podium and came to the door, "Principal Zhou."

Principal Zhou waved his hand and said: "Xiao Shen, you are busy with your business. I am here today just to show the parents. You can just give lectures as usual."

Shen Ping smiled, "Alright then, you can arrange them."

Today, many parents of students came over, and the corridor outside Class [-], Grade [-], was almost full. Some parents really came to see Shen Ping’s lectures and planned to transfer their children to another school. Parents are a little hesitant. After all, Shen Ping is too young. For the sake of their children's future, they must come and listen to the class carefully and observe Shen Ping's teaching level.

There are school leaders.

There are parents of students.

Shen Ping feels a little stressed, but he is not worried, it does not affect him at all. What Shen Ping is best at is giving lectures. In terms of teaching, he thinks he has never been afraid of anyone!
The school bell is about to ring.

Shen Ping walked up to the representative of the biology class, and whispered in a voice that only two people could hear: "After class, you collect everyone's homework, and I will correct it during the lunch break, and then you can send it out." , Do you know? Oh, by the way, it’s still the old rule when you eat at noon. You go directly to the canteen to get food. I’ve already told the canteen master that it will be counted on my meal card. I’ve lost a lot of weight recently, so eat more. Your dad called me last night and said that you have eaten less recently, and you are under a lot of pressure in the third year of high school, so tell me if you have anything to do."

The biology class representative nodded, "Good teacher."

Shen Ping had met the parent of this biology class representative before. He was a simple and honest man who worked on a construction site. His mother had Alzheimer's disease and his wife had been in a car accident and had been bedridden all year round. When Shen Ping came to visit her home, she had to drag Shen Ping around. After eating, Shen Ping was packed with a lot of things in big and small bags before leaving, which shocked Shen Ping. So before leaving, Shen Ping secretly put all his newly paid salary and welfare allowances under the pillow of the class representative's mother. It was not easy for the other party's family to pay off the things given by the father on behalf of the class before leaving. It has nothing to do with sympathy, but I just hope that the conditions of the other party's family can be better.

This biology class representative also studied very well. Basically, he was in the top three of his grade in every exam. According to Shen Ping's prediction, as long as he listens carefully to the lectures in the next senior year of high school and performs normally in the college entrance examination, Tsinghua and Peking University will have hope, so Shen Ping will Try to avoid letting her family affairs affect her studies.

Shen Ping nodded and walked onto the podium. At the same time, the class bell rang. He looked at all the students in the classroom, as well as the school leaders and parents standing in the corridor outside the classroom, and said solemnly: "Student guys, it's time for class."

This is his personal habit. Every time he attends a class, he will look at all the students to confirm which students are not there, and then make up for the missing courses when the other party has time. Shen Ping believes that he has no regrets in teaching.

"Everyone, sit down. This biology class is more important, so everyone prick up your ears and listen carefully."

Shen Ping is very serious. After all, this class has just started, so it is necessary to be serious. After all, with the start of the lecture, there may be no chance. He immediately said: "I talked about some relatively professional knowledge in yesterday's biology class. , it seems that the students think it is a bit difficult, but in fact, we only need to think carefully to solve the answer, so the focus of our lecture today is: Why do people feel very hot before they freeze to death?"

Many parents of the students burst out laughing.

Also people feel hot before freezing to death?

it's so funny!If it is hot, how can it freeze to death? Isn’t this common sense?
Shen Ping's words attracted many students' parents shaking their heads secretly, but only the students' faces showed anticipation. They knew that Teacher Xiao Shen never played cards according to the routine. Since he asked this question, it meant that there was a difference. s things.

Shen Ping paced back and forth on the podium, looking a little painful, as if he was recalling his childhood life, after a while he took a deep breath and said: "When I was very young, I went to primary school in the countryside of the Central Plains. I was 8 years old that year. An old man died of freezing at the entrance of the village after drinking alcohol. This incident was not unusual at all, because the winter in the Central Plains was really cold. At that time, there was no air conditioner, no radiators, and the heating depended on people shaking. In the era when the state paid public rations and the school had special wheat holidays, as the poorest village in a poor county, it was hard to survive the winter, and too many things happened to freeze to death after drinking.”

The students' eyes widened.

What?At that time, we still have to pay the country public food?Can you still have a holiday when the wheat harvest season comes?
Well, what they find most interesting is McFake.

Seeing that Shen Ping fell silent, the commotion of the students stopped, and the classroom returned to silence, quietly waiting for Shen Ping's lecture.

"But that time was a bit unusual. My grandma was a preschool teacher. When she said that the old man who was freezing to death took off all his clothes, she was full of disbelief. She said to my grandpa, 'Is it evil? Obviously he was frozen to death, but when the youngest in the village found him in the morning, he was naked. Did he hit a ghost? Or did someone deliberately take off his clothes and freeze him to death for money?'I Grandma was born in the late 30s, and caught up with the Great Famine in the Central Plains. She was only four or five years old at that time. She saw people eating people, seeing people buried in the daytime, and cooking them in the pot when they were dug out at night. Therefore, she was a Buddhist all her life. For some Evil and bad things are very taboo. I ran more than ten miles to the temple that day to burn paper money for the Jade Emperor, praying for the safety of the whole family. She thought it was in the 40s when people who starved to death turned into ghosts and came to claim their lives... ..."

The students sitting in the classroom laughed.

Parents of students outside the classroom also laughed.

The ignorant old lady!What age is it? It has been 70 years since the founding of the People's Republic of China. Who still believes in ghosts and gods? Science is the primary productive force.

Besides, although Shen Ping spoke more seriously, and even his eyes were a little red, it didn't mean that people would feel hot and take off all their clothes before they died!
Shen Ping took a deep breath and continued: "Actually, this phenomenon is not so-called supernatural. It is called an 'abnormal undressing phenomenon' in biology. I know that the students can't believe it. They obviously died of freezing. It's cold, even a fool would not be so hot that he would take off his clothes, because although people's brains are stupid, their body reactions are normal."

The students nodded subconsciously, waiting for Shen Ping to continue.

Shen Ping looked at the expressions on all the students' faces, and then continued: "Since childhood, each of us has seen something that is extremely disgusting - vomiting. An unknown solid mixed with an unpleasant smell. , the liquid mixture suddenly surges up from the stomach and spurts out; not only that, there will be some residue in our mouth, throat, and nasal cavity. In addition to normal body reactions, there is also the result of drinking. However, Vomiting isn't as bad as you think; it's a masterstroke of careful planning and execution. Every day, as food enters your stomach, millions of tiny receptors are constantly testing the contents, The perception obtained by checking the blood and processing the brain. A huge neural network uploads each piece of information collected to the brain, which then analyzes and weighs the received information. When harmful information is found, actions are taken according to the level of alarm. Make the final decision: to vomit or not to vomit.”

When they said this, a picture of vomiting appeared in the students' minds, and they suddenly felt a little nauseous.

The faces of the parents of the students changed.

Shen Ping continued: "However, these are not the main points I want to talk about. What I want to tell you is that vomiting is a very important advanced skill that can save lives at critical moments, and not all creatures possess it. Many animals, including humans, have taken vomiting into consideration when designing their body structures. Monkeys, dogs, cats, pigs, fish, and birds all belong to the same category as us—vomiting. But mice, Guinea pigs, baby rabbits, and horses don't vomit because their esophagus is too narrow and elongated, and they don't have the nervous system for vomiting."

Before talking about why people take off their clothes when they die, Shen Ping first popularized the cold knowledge about biology.

As expected, the students' eyes widened and they were all surprised.

"Okay, now let's talk about the old man who froze to death in his hometown. He was drunk and froze to death at the entrance of the village." Shen Ping paced back and forth, and then said: "People feel very hot before freezing to death, and then Taking off clothes, although it sounds unreasonable, is actually related to the regulation of body temperature. Humans are warm-blooded animals, and their body temperature is around 37.5 degrees Celsius under normal circumstances. Once the body temperature is higher or lower than the normal body temperature, various functions of the human body will stop If the body temperature drops below 34 degrees Celsius, the body's functions cannot be maintained normally, and it is called hypothermia in medicine."

Ok?
This is biology, how can we talk about medicine?
Also, even if the body temperature drops below 34 degrees Celsius, it won't be so hot that you can take off all your clothes, right?
Shen Ping said slowly: "Of course, the human body has been adjusting the body temperature during the process of falling body temperature. When the body temperature first begins to drop, the human body's blood will flow from the limbs to the internal organs, giving priority to supplying blood to the internal organs to maintain life. Therefore, many people with frostbite will first suffer from frostbite on their hands and feet. , this stage is not life-threatening. There used to be a relative in my hometown who got drunk and slept in the snow in the winter. Although he survived the cold, all his toes were necrotic, and he walked with a limp later. In fact, In today’s society, many people freeze to death due to drunkenness and sleeping outdoors after drinking.”

"If the body temperature continues to drop and the body temperature regulation mechanism completely collapses, the blood flowing to the internal organs will flow to the body surface again. At this time, people will feel warm or even hot. In addition, the cerebral cortex has already appeared obstacles at this time, and there will be All kinds of hallucinations, unaware of what happened, they would take off their clothes, so there was a situation of being naked and freezing to death.”

"This actually happens to a lot of people who freeze to death."

"So Andersen is really awesome. In The Little Match Girl, he felt very warm before freezing to death, and he also saw roast duck and the like. These are really based on science."

"There is a research institution in Germany. They analyzed 69 cases of death of patients with severe hypothermia (that is, cases of freezing to death). They found that 25% of the deceased were partially or completely naked. There is also a paper data in the scientific magazine "New Scientist" have shown that this behavior occurs in 20%-50% of people who die from hypothermia."

"If you really can't understand, you can try to change the angle. For example, have you ever had a snowball fight? If you squeeze a snowball with your hands in the cold winter, your hands will become very hot after a long time."

After Shen Ping finished speaking, he looked at all the students!
Suddenly, the entire classroom was filled with the uproar of the students!

Even the parents of the students outside the classroom were shocked!

What a wonderful course!

It turns out that people really feel very hot before they freeze to death!
It turns out that this is common sense, not that they subconsciously think that people will be very cold before they freeze to death!
Students and parents enjoyed listening to it. If the class hadn't ended yet, some parents might have immediately transferred their children to Tianxing Middle School, preferably to Teacher Shen Ping's class!
"I'll go, this teacher Xiao Shen speaks well!"

"Isn't it! Even my parents know this for the first time!"

"Eye-opening, eye-opening! When I go back, I'll transfer my brat to another school!"

"Yeah, I'll call my wife later. It's confirmed! It's Tianxing Middle School! Shen Ping!"

"Wait a minute! Shen Ping not only has a high level of lectures, but also a very high level of exam questions and homework!"

"Really? I can understand that the exam questions are difficult, but what about homework?"

"Haven't you heard? Shen Ping's homework never saves what was taught today, but arranges what will be taught tomorrow. Firstly, it can allow students to preview in advance, and secondly, it can also speed up students' understanding during class. .”

"So that's the case! Then I have to listen carefully to what biology homework he is going to assign next!"

Outside the classroom, the seniors and their parents whispered.

And in the classroom at this time.

"So why do people feel very hot when they freeze to death, and then take off all their clothes-this is the root cause! This is the end of today's class, and the biology homework is also very simple." When it came to this, Shen Ping paused After a pause, I picked up the chalk on the table and wrote on the blackboard, "Why do humans change their skin every 28 days?" Please check the information carefully after you go back, and hand it in tomorrow."

When the homework came out, a group of students in Class [-], Grade [-], shivered involuntarily.

Because it’s so difficult!

Why do people change their skin every 28 days?

From epidermis to dermis?

This is no longer difficult, but even more difficult!
"Students, the homework assigned by the teacher today is very simple, don't you agree? Tell me loudly, are you confident in completing it?"

On the podium, Shen Ping felt that his voice was full of encouragement.

But in the classroom at this time, apart from the smell of falling needles, there was still the smell of falling needles.

The senior three students suddenly missed the holiday time, because at that time, they didn't have to see this very handsome but scary face!
Handsome is handsome, scary is because the students have shadows in their hearts!

Since Shen Ping led Class [-] of Grade [-], they have found that going to school is both interesting and scary. A Grade [-] student not only has to deal with monthly exams, but also the homework questions that Shen Ping gives every night!

If you don't believe me, listen to what Shen Ping said, is this encouraging them?This is an aboveboard threat. They say they are confident, and it is still in front of the parents of the students!
Although the students' parents didn't understand Shen Ping's homework, they could tell from the mournful expressions on the students' faces that it was difficult, but in their view, it was a preview of the biology class to be taught tomorrow. Content, this is a good thing!

The more strange the expressions of the students, it means that the questions given by Teacher Xiao Shen are very suitable!

Anyway, as long as Teacher Xiao Shen assigns homework, there will be no problem!
"Have confidence. It's a good thing to preview the textbook knowledge in advance. Why are these children crying and miserable? It's outrageous!"

"That's right, Teacher Xiao Shen is doing it for their own good, but they have such an expression, they are really young and ignorant!"

"Mr. Xiao Shen still has a conscience!"

"This group of students, hurry up and say that you are confident! I am so anxious to see it!"

In the expectant eyes of Shen Ping on the podium, and in the expectant eyes of the parents of the students, they were all forced to cry and shout for confidence because of their lust.

Resigned to fate, resigned to fate, isn't it why some human beings change their skin every 28 days?They really accepted their fate!
After arranging homework, Shen Ping stepped down from the podium.

Under the fearful eyes of the students in Class [-], Grade [-], Shen Ping walked towards the parents of the students at the door of the classroom...

……

after class.

Principal Zhou took the parents of the students to the office.

Sitting in the office, Kang Xue said, "I uploaded your lecture video on Weibo."

"That's it, but does the school have to pay for the portrait?" Shen Ping joked while sitting on the chair with a smile.

Kang Xuele was happy, "Chengchengcheng, I'll go and apply with the school leaders, but I may not be able to get approved."

Because he had no classes next, Shen Ping also logged on to Weibo. Sure enough, he soon saw voices praising him, and even the media published articles praising him.

"Biological trivia that subverts our lives!" "

"Cool knowledge in biology class, started by Shen Ping, the senior class teacher of Tianxing Middle School!" "

"Why did Shen Ping become popular in Beijing?"Watch the editor take you into the teaching world of Shen Ping! "

Many Internet Vs have specially published Weibo articles, and some media people have sorted out the course content that Shen Ping has taught and the questions that have been asked, which makes Shen Ping dumbfounded!
(End of this chapter)