In the next two days, the course became more in-depth and Lin Chaoxi worked particularly hard.
When she was in college, she took a special course on academic paper writing. The teacher spent several class hours explaining issues such as the accuracy of word usage. In effect, Lao Lin brought the college courses forward to junior high and high school.
Starting with rewriting everyday words, they also studied newspapers in depth, and there were many problems in the news headlines...
Everyone was a little dizzy and confused.
By the time kids studying math get to this point, many of them have lost track of what the teacher is trying to teach them. Although this can be understood as training in the accuracy of word usage, it does seem like they are drilling down on a dead end.
At lunch the next day, Lin Chaoxi vaguely heard some high school students say: This training session is a waste of time. High school courses are tight, so it would be better to go home and find a tutor for extra lessons.
In the afternoon, the medical paper that Xie Ran took out pushed this doubt to a small climax.
A student raised his hand in class and asked, "Teacher, how many more days do we have to do this kind of homework?"
Xie Ran was writing on the blackboard at that time: the platelet count is 100~300x10(9th power)/l.
He paused and said with a smile, "You answer first. What's the problem with this sentence?"
The student was stunned and did not answer immediately. However, A Guang from Yongchuan Middle School was very active and answered quickly: "It is easy to think that the platelet count is 100 to 3x10 to the ninth power!"
"What should I do?"
"(100~300) x 10 to the ninth power."
"Well, not bad." Jie Ran asked A Guang to sit down, and then looked at the high school student, "You don't have to study for a few days. The first test will be in two days..."
Hearing this, the high school students were stunned.
Liu Zhiyuan raised his hand and asked, "What if I fail the test?"
Xie Ran smiled and said, "It's okay. It's just a normal test to help you understand your knowledge gaps."
"Has Mr. Zhang changed his character?" Lu Zhihao asked in a low voice from the audience.
"I think there is a conspiracy!" Lin Zhaoxi said.
Xie Ran comforted him, "Don't be afraid. Our current training class has been adjusted harmoniously and democratically. We will not eliminate students because of poor test scores. Everyone will live well. Oh no, wait until the first training session is over."
"Is it over?"
"It's over. We will select the second batch of students based on your performance in various aspects."
Xie Ran's words comforted a group of anxious people.
After language precision training.
He also explained the logical connectives "and", "or", "not", "implied relations", as well as "universal quantifiers" and "existential quantifiers". He also taught them the truth table of propositions and conducted training on simplifying symbolic statements, etc.
These are all very basic contents. The contents learned later are finally related to mathematics. Lin Chaoxi was amazed at the depth of the learning, but most of them still cannot escape logic.
Many math students still feel uncomfortable when faced with a lot of training, such as rewriting "everyone is either tall or short" into symbolic form.
As for things related to logic, there is often a strange circle. If you can understand it, then everything will be very simple. But if you can't understand it, everything will only become more and more confusing...
In just three days, Lin Chaoxi finished writing two exercise books.
But for her, these three days were a rare period of relaxation and leisure. After all, she was studying philosophy, and these exercises were all easy-to-scoring questions on her test papers that she had done before.
So she spent most of her time reading the book that Lao Lin gave her.
There are a lot of notes from seniors, some are jokes, some are chats, and there are many examples to illustrate other situations, all of which help her better understand the content of this part.
She even felt that this time, Lao Lin was using a different approach by staying by her side and teaching her.
——
Time quickly came to the first quiz.
We were all sitting in the lecture hall. The temperature outside was already very low, with a thin layer of mist hanging on the windows.
Looking around, junior high school students are on the left half and high school students are on the right half, very clearly divided.
Although the high school students clearly showed their disdain for Jie Ran's teaching, they were still very serious about the exam. After several training sessions, they all knew each other and even discussed the questions together in a low voice.
On the other hand, the junior high school students were still chatting idly, but when they heard the teacher say there would be no elimination system, they simply relaxed.
As the bell rang, Jie Ran and Mr. Wan from the high school department walked into the classroom together.
Jie Ran was sorting out the test papers under the podium. Wan Yang walked up to the podium. He coughed lightly, and the whole class sat up straight in an instant.
"This is everyone's first test in the training camp. I hope everyone can take it seriously, but don't be too nervous. Just answer the questions carefully."
Jie Ran opened the test paper and the papers were distributed from the leftmost side to the right.
After hearing Wan Yang's cautious opening speech, Lin Chaoxi and Pei Zhi looked at each other and still found it a bit strange.
Why was this training session so relaxed as Jie Ran described? It seemed totally unlike Lao Zhang's style.
The test paper came from the far left.
Lin Chaoxi clicked the automatic pencil twice and began to look at the questions.
The questions and solutions were very similar to the exercises assigned to them, and were completely within the framework. Except for the last two proof questions which were a bit complicated, the rest of the questions were completely in line with the content of the three-day lecture.
The last two questions proved that although they were complicated, they were not difficult as they were a comprehensive practice of what we had learned in the past few days.
One minute later, Lao Lu, who had also finished reading the test paper, raised his hand and said, "Teacher, are you really going to give us 30 minutes to answer the questions?"
Lin Chaoxi admired Comrade Lao Lu's courage.
Wan Yang tapped the words written on the blackboard - 14:00-14:30, and asked curiously: "Any questions?"
"Nothing... nothing..."
Several people here who had participated in elementary school summer camp whispered almost at the same time.
——
The 30-minute in-class test ended quickly.
In the lecture hall, the sound of test papers being uploaded could be heard. Students who had just finished their exams were stretching or talking in low voices.
Liu Zhiyuan sat in the first row and sorted out all the test papers of their high school department. He stood up almost at the same time as Lin Chaoxi and handed the test papers to the podium.
He noticed that after Teacher Xie received and sorted the test papers, he did not put their two stacks of test papers together. Instead, he took the stack that he handed in, which belonged to the high school department, walked to the corner of the classroom, pulled down the stool, and sat down to mark the papers.
Most of the class noticed this move.
"What's going on?"
“Do you want to start changing it now?”
There was a slight movement in the classroom, and Lin Chaoxi swallowed his saliva.
It has been three years, and the policy of grading examinations in class has not changed.
Wan Yang stood in front of the podium and drew the students' attention with a loud voice: "According to the course content, the next topic we are going to talk about is - 'Proof'."
"What about the test paper we just took?"
"After Teacher Xie finishes marking the papers, he will explain them to everyone."
During the 45-minute class, the students were a little dazed, especially the high school students. Many of them turned back to look at Jie Ran from time to time, and always felt that it was very stressful for the teacher to sit in the back and correct their papers.
After the bell rang, something happened that made the students even more anxious.
Xie Ran put down his red pen, sorted out the test papers, and walked up to the podium. It was Wan Yang's turn to pick up the junior high school test papers, walk to the back corner of the classroom, and start marking them.
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