eighth story

"The formula of integral by parts can be simplified to ∫udv=uv-∫vdu, okay, please turn the book to page 147, and do the first and second examples, ∫xcosxdx and ∫e^xsinxdx..."

The high mathematics teacher turned around and copied the sample problem on the blackboard, and the students sitting below lowered their heads and began to calculate seriously.A stack of draft paper was placed in front of Wu Qinyang, a signature pen swiped twice between his fingers, he yawned boredly, and his eyes drifted out of the window involuntarily.

It has been three full weeks since the horror incident of "a human head was found in the free soup pot in the cafeteria". The panic of the students at the beginning of the case has gradually returned to normal with the reappearance of He Anping's body.Canteen No. [-] reopened. Although the passenger flow is not as good as in the past, as time goes by, what happened here will be gradually forgotten due to the graduation of the students, or gradually develop into a new round of strange campus stories. The younger generation of this school love to talk about it.

Although Wu Qinyang went to the police station with Xuan Jue to join in the fun, he didn't know much more than ordinary students. At most, he watched Lin Jie's interrogation live one more time than them. It was certainly a novel experience. But Wu Qinyang also thought it was a very unpleasant experience.From a gloomy and gloomy student to a hysterical dismembered murderer—Wu Qinyang really doesn't want to pay too much attention to the changes, and Wu Qinyang doesn't want to care about what is waiting for Lin Jie's ending.Although I heard from Xuanjue that the autopsy report related to Lin Jie's sentencing had been issued by Xu Yuan, Wu Qinyang, uncharacteristically, did not show too much curiosity, as if he didn't want to bring up this matter again. .

Xuan Jue didn't have to tell him the result of this incident, but he felt that something seemed to be different about Wu Qinyang after going through this incident, but in fact it didn't seem to be the case, Wu Qinyang was still the same , can run, jump, talk, laugh, eat, and sleep. Of course, the last point is on the premise of having a body-length pillow. The only thing that makes Xuan Jue feel abnormal is that sometimes Wu Qinyang will start to be in a daze for no reason.

For example, now, other students are burying their heads in calculating the sample questions given by the teacher, but Wu Qinyang is alone, sitting on a chair with his back straight, standing out from the crowd, and using a kind of bright sadness that seems particularly small and fresh-actually He looked out of the window with a distraught expression on his face. The leaves of the sycamore tree had been slowly withered due to the coming of winter, and almost all of them had fallen.

Wu Qinyang just stared intently at a crumbling leaf on the branch, not noticing that the high mathematics teacher had slowly walked over from the podium.This is the habit of high mathematics teachers. After assigning exercises, they will go around the classroom and check the students' performance along the way, which can be regarded as a preliminary test of their teaching results.When he passed by Wu Qinyang, he naturally stopped, reached out and knocked on Wu Qinyang's table, and called, "Student."

Only then did Wu Qinyang come back to his senses. Seeing the amiable face of the high mathematics teacher, he looked down at the stack of blank draft paper on his desk, and subconsciously let out an "uh".

The high math teacher asked, "What's the answer to the first question?"

Wu Qinyang didn't even notice that the teacher had left the exercises. In a panic, he raised his eyes and glanced at the blackboard. He found the exercise with the serial number [-] and did a quick mental calculation. The whole process was done in one go. It took only a blink of an eye before he replied: "xsinx Add cosx and a constant C."

High mathematics teacher: "..." After a while, he said again, "What about the second question?"

Wu Qinyang typed two brief drafts on paper this time, and quickly replied: "1/2e^x(sinx-cosx) plus a constant C."

The high mathematics teacher stroked the two mustaches on his lips, and asked again: "Have you learned it before?"

Wu Qinyang said, "My dad taught me a little bit."

The high mathematics teacher nodded and said: "Well, not bad!" After speaking, he left with a smile.

Wu Qinyang watched the high mathematics teacher return to the podium, and heaved a sigh of relief. When he looked back, the leaf he had been staring at just now had fallen from the branch at some point, and he couldn't see it anymore.

Wu Qinyang was so preoccupied that he sighed unknowingly.

Not only Xuan Jue, but even Wu Qinyang himself found out that something was wrong with him.Since he was a child, he thought that he was an out-and-out optimist, he didn't have to worry about food and clothing, his parents, uncles and aunts were all very powerful adults, and he also had a gentle cousin who took good care of him growing up. Handsome and considerate, he has always been the ideal boyfriend in the minds of many girls since they were young.After I grew up, I gained indescribable fun in the verbal battle with Qin Yao. It can be said that I had a lot of fun fighting with my mother-except for English, there seems to be nothing worth worrying about. I don’t know what happened recently. He always feels that he has forgotten something very important, but he can't remember it alive and well, and he often goes into a daze when he thinks about it.

Compared with Xuan Jue's constant worry about whether the matter of Lin Jie cast a shadow on Wu Qinyang, the real reason is actually much simpler.After eight months and sixteen days of adulthood, Wu Qinyang finally faced the perplexity of puberty again.He always felt that there was something that made him very concerned, very concerned. This feeling came after he went to the police station, but he couldn't remember why. .

Wu Qinyang found himself in this kind of trouble again, unconsciously turning the signature pen in his hand until the bell rang for the end of get out of class.

The students took action one after another. Some hurriedly packed their schoolbags and prepared to go back to the dormitory to catch up on sleep. Some rushed to the next class in a hurry. Those who were eager to learn ran to the podium with their textbooks and draft paper, and continued to talk to each other. The teacher explores the solution or has questions.Wu Qinyang stuffed the advanced mathematics textbook and the signature pen into the schoolbag casually, put the schoolbag on his shoulder smartly, and walked out of the classroom with the footsteps of many students.

This is the first big class in the morning. Class starts at [-]:[-] and ends at [-]:[-]. According to the class schedule, they will not have ideological and moral cultivation and legal foundation until [-]:[-] in the afternoon. Wu Qinyang didn't know what he should do during these four hours. What.Due to childhood habits and the almost strict schedule of his roommate Tan Yi, Wu Qinyang has been going to bed at eleven o'clock in the evening these days.

After three weeks of getting along, Wu Qinyang felt that Tan Yi was still a very interesting person. The rigor of a medical student was combined with a cold humor. He could eat all kinds of rice in his cranium lunch box while watching anatomy documentaries. .Tan Yi said that he grew up in the United States, returned to China a year ago, and then transferred to the Polytechnic to study as an exchange student. As evidence, his fluent American English made Wu Qinyang both envious and jealous.

Xuan Jue didn't say much about Tan Yi's affairs. Although Tan Yi's performance that night made Xuan Jue think he was a little strange, Tan Yi didn't seem to be hostile to them, and he didn't need to be overly nervous.

But Wu Qinyang didn't hear much about Tan Yi talking about his family.Tan Yi is of mixed race, one of his parents must be a Chinese and the other a foreigner, but now Wu Qinyang has not even figured out whether his father or his mother is a foreigner, and he has never even seen the letter Tan Yi gave him. Parents even make a phone call.Tan Yi seems to be very reluctant to mention things related to his parents. It gives the impression that although it doesn't matter, he doesn't want to mention too much. Even if Wu Qinyang is curious, he will not ignore Tan Yi's feelings and insist on breaking the casserole.Tan Yi's attitude shows that there is something else hidden in it, probably because the parents are at odds or have divorced, or even sad things like the death - with Wu Qinyang's personality, he will never expose other people's such things. kind of scar.

For this reason, Tan Yi quickly accepted Wu Qinyang as a friend. It is difficult to see each other under the same roof every day, even if they are not familiar with each other. Besides, Wu Qinyang's personality is not bad.In addition to thinking that Tan Yi is a very interesting person, Wu Qinyang is of course also very grateful to him. Thanks to Tan Yi who called Xuan Jue decisively that night, otherwise he might have lost his life—although Wu Qinyang didn’t like it. He knew that Tan Yi made this move because he kept calling his brother in a daze.

All in all, as soon as he entered the school, he encountered a horrific incident, and now he has finally lived a normal campus life for three weeks. Apart from the inexplicable puberty troubles, Wu Qinyang's life can be said to be smooth sailing - get along well with his classmates, and The relationship between the roommates is harmonious, and he can sleep in a daze and draw big cats and villains on the draft paper in the high math class. Especially the last point makes him a winner in life in the eyes of other students. Building No. [-] was just to ask him how to write this question, and Wu Qinyang felt very accomplished about it.

Wu Qinyang was thinking about whether to go to the library to pass the time first, and then go back to the dormitory after lunch time is up, and then go back to the dormitory after eating in the cafeteria, but suddenly he heard someone calling him from behind: "Wu Qinyang!"

Wu Qinyang turned his head and saw that it was Zhu Mingyue, the squad leader.

As a passer-by who was innocently implicated in the canteen head-on incident, Zhu Mingyue returned to school after lying in the hospital for half a week.Wu Qinyang knew that his uncle had gone to the hospital, and those who were regarded as "poisoned" were probably dealt with by his uncle.Wu Qinyang didn't know how much the people in the hospital knew at that time, but they probably didn't know about the legendary capable man who could detect yin and yang (Wu Qinyang still wanted to complain about this combination of attributives and nouns. ) and their relationship.Zhu Mingyue and Qiu Feng didn't mention it much after they were discharged from the hospital. I don't know if someone ordered it, but Qiu Feng didn't tell his family at all. Not to mention that he was afraid that his family would be worried, but since that day, Wu Qinyang has never seen Zhong Liyin again.

Although Zhong Liyin is their head teacher, but because the topology he teaches is not a course for this semester, and the university does not need the head teacher to watch him all the time than the middle school, it is understandable that he does not often appear in front of their eyes.It's just that Wu Qinyang heard that Zhong Liyin was also hospitalized that night, and unlike Zhu Mingyue and Qiu Feng who can meet every day as a classmate, he should take care of it as a matter of course.

But it was said that nothing happened. It seemed that this Monday he went on a business trip and went to another place for a meeting. Even Zhu Mingyue, the class monitor, didn't know exactly what happened.

At this time, Zhu Mingyue called Wu Qinyang to stop him, and Wu Qinyang stopped naturally, and turned around and said, "Squad leader? What's wrong?"

Zhu Mingyue blinked, and said: "That's it, this Saturday afternoon we plan to have a fellowship with Chemistry 383, Wu Qinyang, will you go then?"

Because Wu Qinyang lives in this city, he often goes back for weekends.After class was over on Friday, he either went back by himself, or Xuan Jue came to pick him up for dinner, and then came back on Sunday night to prepare for class on Monday. This has been the case for the past few weeks.

Wu Qinyang said: "Of course, why not go."

Zhu Mingyue smiled and said: "I heard them say that you go home on weekends, that's fine, remember to bring 30 yuan for the class fee when you go to the math analysis tomorrow, and prepare it for social networking."

Wu Qinyang agreed, and Zhu Mingyue said again: "Then I'm fine, bye." After speaking, he walked back to hold the hand of his female companion who was waiting at the side, and they left talking and laughing.

Wu Qinyang thought about the friendship, and felt that it should be similar to the party he attended when he was abroad. He took out his mobile phone and sent Xuan Jue a text message saying that he would not go home this weekend. There was an activity in the class, and Xuan Jue came back soon Come over with the word "good".