20 years of teaching

Chapter 275

Physiological saline, also known as sterile saline.

Refers to the sodium chloride solution whose osmotic pressure is basically equal to that of animal or human plasma in physiological experiments or clinical practice.

Contains 0.9% sodium chloride, without any irritation, very mild.

Not only can it play a cleaning role, but also has a certain disinfection ability.

This kind of wounded area on Ma Taotao's face can only be cleaned with normal saline, never use highly irritating medical alcohol or hydrogen peroxide.

Liu Shoulin was shocked!
"Fan Fei, why didn't you study medicine back then?"

"I really want to go to a medical university, but it's a pity that I can't live up to it. I can't get so many points in the test, and I can't meet the admission score of the medical university."

"Then you can learn it now, uncle can teach you personally!"

"..." Lin Feifei was speechless.

Uncle, to be honest, your level of being a doctor is really bad!
It's not unheard of for you to diagnose the pregnancy reaction vomiting of other women as gastritis.

"Uh, it's good that you are a teacher now, and you don't need to study medicine." Liu Shoulin suddenly understood, "You will come to my place often in the future, we can discuss more!"

"..." Lin Feifan smiled, shook his head, and remained silent.

Who wants to go to the hospital often?Who likes running to the clinic?

Asking people to come to the hospital or clinic more is tantamount to cursing people!

……

Jinghu junior high school evening self-study time, there are three evening self-study sessions.

The first and second classes of Class [-] ([-]) of junior high school are Li Tuanjie.

But Li Tuan has still not come to school.

In the first and second periods of Class [-] (Second) of junior high school, Lin Feifei took the class.

Lin Feifan was going to organize two classes of physics exams, and one person invigilated the two classes.

Five minutes early, Lin Feifei came to the teaching building with the test paper.

When I arrived at the door of the classroom of Class [-], Grade [-], I found Jiang Yidan holding a textbook and preparing to give a lecture.

Seeing that Lin Feifan was holding the test paper in his hand, Jiang Yidan came over and asked, "Are you preparing for the test? The Chinese teacher is assigned to sit in the schedule for these two classes."

Lin Feifan said: "The Chinese teacher didn't come, so I want to borrow it to take the physics exam, and take the exam with the second class, and I want to compare the teaching effect of the two classes."

"I am a Chinese teacher!" Jiang Yidan blurted out.

Not only help with the daytime class, but also help with the evening class, the service is really thoughtful!

Both completely replaced Li Tuan.

"..." Lin Feifei was stunned for a moment, then smiled, "Okay, I'll take the exam tomorrow for Class [-] of Junior Secondary School."

"One class will take the test first, and the other class will take the test later, so the questions will be leaked?" Jiang Yidan took the stack of test papers in Lin Feifan's hand, "Okay, I won't teach Chinese for these two periods, and I will let you take the physics test. I'll supervise the exam for you."

"Thank you so much!"

"How long is the exam?"

"90 minutes."

"Okay, I'll give it to you after the test paper is collected."

……

When he walked to the door of the classroom of Class Two ([-]), Lin Feifan found Fang Yongzhi walking into the classroom of Class Two ([-]) with a stack of test papers.

Huh!It just so happened that the three classes took the exam together tonight.Lin Feifei said heartily.

This set of test papers was formulated by Lin Feifan. First, the comprehensive questions of Chapter 2 are high-level and difficult.

Lin Feifan spent a lot of time mimeographing the test papers of the three classes.

Lin Feifan did not agree with Fang Yongzhi on the exam time.

The schedules and schedules of each class are very different. It is troublesome to transfer to the same time for the exam.

In the first and second periods of the second (third) class of junior high school, the math teacher was originally in class.

The math teacher was busy temporarily and asked Fang Yongzhi to take over.

It is a coincidence that the three classes take the physics exam tonight...

After the exam, Lin Feifei took the test paper and walked out of the classroom door. When he walked to the classroom of the second grade ([-]) class, he found that Jiang Yidan had collected the test paper and went back.

Li Minyao and Wang Jiaxin stopped Lin Feifan and pestered him to ask the answer to the last question of the multiple-choice question and the last question of the calculation question.

At this time, Yao Xiaodong had just walked out of the classroom door, and wanted to go over to ask Teacher Lin for the answer.

When he found two girls surrounding Mr. Lin, he shrank back.

Lin Feifan said: "Choose C. There are two answers to the last question, 180 and 270. We need to discuss in two situations."

"Wow haha!"

"I was right!"

……

The two girls were jumping and jumping.

The sharp soprano almost burst the eardrums of people's ears.

"Oh, hello! I can't stand it!" Lin Feifei turned sideways to avoid the two girls, and walked quickly into the room.

Yao Xiaodong chased after him, "Cousin, what's the answer to the last question?"

Lin Feifan said, "There are two answers..."

"Oh, I see!" Yao Xiaodong turned around and ran back.

"Hey! That's great! At least three people got the last question right!" Lin Feifei said to himself.

The last question is a question in the National Junior High School Olympiad Physics Competition, which is quite difficult...

Back in the room, Lin Feifei selected the test papers of some students with good physics scores, and took out the red pen to prepare for marking.

Anyone who is a teacher likes to correct the students with the best grades first.

Lin Feifan was no exception. He did this the last two times when correcting the test papers.

At this time Jiang Yidan walked in with the test paper.

Jiang Yidan asked: "How do you plan to correct the test papers?"

Is there a different way to grade test papers?
Lin Feifan was a little confused by this question, but he still replied: "First grade a few students with very good grades. This test paper is very difficult. I am anxious to see how they do in the test."

Jiang Yidan said: "You can't correct the test papers with colored glasses, and you can't correct the test papers with prejudice."

"..." Lin Feifan was even more confused, "Then how to correct it?"

Jiang Yidan put down the test paper, turned around and left the room.

Hey!Only half of the words are said, and the other half is left for people to think for themselves?
In the evening, there are also thinking questions for people to do.

After a while, Jiang Yidan came back again, holding a big newspaper clip in his hand.

Jiang Yidan straightened the test papers, and then used newspaper clips to clamp the left end of the whole stack of test papers, the part where students filled in their names and classes.

"Can't you read the students' names during the correction process?" Lin Feifei asked.

Jiang Yidan nodded and said, "Yes, so that the grading standards can be exactly the same. Every student's test paper must be read carefully without any personal feelings in it. Students' test papers can only be taken out separately during interviews. "

"This method is good!" Lin Feifei praised from the bottom of his heart.

In the first two times of correcting the test papers, I always took out the good grades and corrected them first.

In the end, the more you criticize, the more boring you will be, and the more you criticize, the more angry you will be.

For the test papers of students with poor grades, it is true that they are not as careful as the test papers of students with good grades.

For students with good grades, they will circle them, and sometimes write a sentence or two of encouragement.

For those with very poor grades, the test papers are full of bad numbers, and they are not in the mood to point out the reasons for the mistakes.

Because, the teacher's mood when he corrected to the end was really too bad!
People are also tired.

If the corrections are mixed in this way, and the names of the students cannot be seen, many disadvantages should be avoided.

Jiang Yidan said earnestly: "In every teaching process, we should treat all students equally. No one is good or bad! Every student deserves our respect and love for him!"

"Principal Jiang, I remember!" Lin Feifan blinked and said.

I am very impressed!

(End of this chapter)