"No...don't say that, I'm also very ordinary." Li Zheng was also a little incoherent.

Just as he was talking, Sun Leyang opened the door and came in. Looking at the two of them, he couldn't help but smile wretchedly: "Hey, did I bother you, hey."

Li Zheng quickly stopped, and Xu Mengxi stood up timidly, saying hello to Teacher Sun.

"Hey, just sit down." Sun Leyang waved his hands, hung up the windbreaker, took out a few test papers from his briefcase, and asked while sorting out, "Where's Lin Yujing?"

A loud voice suddenly came from the corridor: "I got it!"

Turning his head to look, Yu Hongzheng grabbed Lin Yujing and rushed back in strides.

Lin Yujing was still wiping the rice grains from her mouth, it seemed that she was caught in the cafeteria.

Uh huh, it's miserable.

Li Zheng also handed back last week's questions to Sun Leyang.

Sun Leyang glanced at Li Zheng's answer and asked, "Aren't these difficult ones for Lin Yujing?"

After finishing speaking, he turned his head and looked at Lin Yujing: "Why, I don't want to do it, so I did it for Li Zheng? I have learned to be lazy, hehe."

Lin Yujing didn't dare to look directly at Sun Leyang, so she just stood behind Xu Mengxi, grabbed her arm and said, "I did it on the draft paper..."

"Oh, keep the blank paper for Li Zheng, right?" Sun Leyang became more and more wretched, "He's pretty good at taking care of people."

"No...it's not..." Lin Yujing lowered her head with a red face, subconsciously exerting force on her hands.

Xu Mengxi endured the pain and didn't cry out, feeling very wronged.

On the other side, Sun Leyang swept his face and said with a smile: "Yes, Li Zheng, is this the first time to do it at a real level?"

"Yes."

"That's really okay, it's better than... the third year of high school." Sun Leyang picked up the new paper, turned around and said to the three of them, "This is the paper from last year's competition. I decided to bring it over last night for you to make. Have you done it before?"

All three shook their heads.

But the way they shake their heads varies.

Lin Yujing closed her eyes tightly, as if trying to avoid something terrible.

Xu Mengxi was normal and steady.

Li Zheng, on the other hand, was shaking his head frantically. Even though the frequency was fast, his eyes were always locked on the test paper in Sun Leyang's hand.

Even Sun Leyang was a little scared, took half a step back and said, "Li Zheng, calm down...listen to me first."

Li Zheng nodded frantically.

Chapter 88 10 points is genius

"Cough..." Sun Leyang said, "The matter of the chemistry competition was mentioned to me by your teacher Yu last Friday. She meant that the top students in Yinghu Lake lacked the competition environment and were delayed. If they can organize A team, she will teach."

Li Zheng suddenly shuddered.

Or we'd better go our separate ways.

But Yu Hong glanced at the three of them seriously: "I know what you are thinking, but Mr. Sun is a teacher attached to Renda University after all, and his students are in competition with you, so he will be gossiped about tutoring you. Today's incident was personally requested by Teacher Sun for help, no matter whether I participated or not, it must not be rumored."

The three nodded in succession.

Sun Leyang raised his hand and said with a smile: "It's not that serious. Seeing a good student, everyone wants to cultivate it."

After finishing speaking, he asked the three of them again: "This paper contains all the contents of high school, and Mengxi has already mastered it. Have you two sophomores studied by yourself?"

Lin Yujing and Li Zheng nodded at the same time.

Then looked at each other in surprise.

Then they each shook their heads, revealing meaningful sneers.

Study ahead, dirty enough you.

"Hehe, don't rush to be proud, you two. Turning over the book does not mean mastering it." Sun Leyang shook the paper and smiled, "The students who are really preparing to participate in the competition have been working hard since the summer vacation of the third year of junior high school. Challenge difficult problems, and this preliminary paper is the most difficult problem among the problems. Although it can be done theoretically with high school knowledge, but in practice...hehe..."

Sun Leyang's smile became deeper and more obscene.

He pointed at the scroll and said: "Practically speaking, most of the compounds in it are unheard of in high school textbooks, and you need to use the knowledge you have acquired to make inferences. Those who have not been trained are unlikely to score more than 5 points. "

"How much?" Li Zheng suspected that he had heard wrong.

"5 points." Sun Leyang nodded and said, "So, when you do this set of questions, don't despair, it is not for ordinary people at all, those who can score 0% in chemistry in the college entrance examination, do this paper, get 10 The scores are very normal, after all, there is no multiple-choice question. Besides, the three of you have never prepared for a competition, and the school's teaching intensity is also placed here. It is reasonable to say that it is impossible to exceed [-] points. If you exceed this score, you will You can try to prepare for next year's competition."

"As for this year's competition, basically don't think about it."

"Unless..." Sun Leyang said and waved his hands, "I won't reveal the score line to you for now, just do my best."

Lin Yujing grabbed Xu Mengxi's arm and couldn't help shivering.

Xu Mengxi nodded her head hard to cheer herself up.

Teacher Sun made it very clear.

If Li Zheng and Lin Yujing can get 10 points, it will prove that they are good seedlings, and Mr. Sun is only interested in cultivating them to participate in the competition a year later.

And myself, there is no next year.

Only now.

If you can't reach the provincial two score line.

Just give up.

Li Zheng next to him was even more fanatical.

fuck you.

All within the high school range?

I can't even get 10 points?

Fuck you.

It's not about killing Teacher Sun.

It is to kill these questions.

Without further ado, Sun Leyang divided the papers.

The three sat down in a row.

As a master with a chemistry score of 153, Li Zheng just didn't have a chance to measure himself. This time, he didn't use the multiplier at all. He answered the questions at a normal speed and tried his best.

Xu Mengxi didn't have any extra thoughts and answered seriously.

As soon as Lin Yujing glanced at the test paper, her head started to hurt. Then she covered her head and turned to look at Xu Mengxi and Li Zheng. Seeing that they were very active, she had no choice but to answer in pain and answer with a pen.

Behind them, Yu Hong and Sun Leyang chatted about homework again, but the voice was lower than that of the invigilator, making sure that the three of them could not hear them.

"Really, Teacher Yu, if the scores are not up to the standard, I don't recommend them to participate." Sun Leyang sighed, "Even if the intelligence is enough, the energy is not enough, and it will hurt to try to get high."

"The two of them are different." Yu Hong glanced at the painful Lin Yujing, and then at the frenzied Li Zheng, "One is superior in intelligence, the other is superior in energy."

"That's true." Sun Leyang said cheerfully, "Lin Yujing's savvy, doing one question is equivalent to doing a hundred questions, and Li Zheng simply... If there is something or nothing, first do a thousand questions."

"I usually dislike saying dirty words..." Yu Hong patted Sun Leyang and said with a smile, "But this...is a good use."

She turned to ask, "Where's Xu Mengxi? You've been taking care of her for so long, don't you want to cultivate competition?"

"Yes, but I'm afraid it will delay people." Sun Leyang sighed, "She has a good understanding of chemistry and works hard, but in competitions, 'good' is far from enough. I'm afraid she will challenge someone who can't reach it." In the end, I got nothing, not only lost confidence, but also delayed the college entrance examination.”

"I can't help it. After all, you are in Renda University, and you have seen too many geniuses."

"Yes, but Lin Yujing is not bad even compared to our top students." Sun Leyang pointed at the table and raised her eyebrows, "To put it bluntly, Yinghu's teaching intensity is so low, she can still study for more than a year. Maintaining such a high level, I really don't know how to evaluate it. If Lin Yujing's score reaches the standard and she is willing to participate in the competition, I will support it, but you must be the instructor on the surface, so don't let people Knowing that I participated, otherwise Lin Yujing would be embarrassed if she got a provincial first and squeezed out our school, hehe."

"I'm sure I understand the rules." Yu Hong then asked, "What about Li Zheng, is there a chance to break the trick with strength?"

Sun Leyang pursed her lips and sighed: "It's really hard to say for Li Zheng, but if you just try to break the trick with your strength, you must have no chance. The competition can't be done by just brushing the questions, you must have a deep understanding of knowledge and skills, and you have to think. If you are active, if you are serious about doing the questions, even if you brush through the question bank, you can save three at most. Of course, the thickness of this question bank may not be able to pass through in a lifetime."

"Hey..." Yu Hong sighed, "This paper can be regarded as letting him recognize himself."

"Don't be in a hurry to draw conclusions. I just said that Li Zheng is hard to say." Sun Leyang smiled, "He can improve so much in two days, which shows that his comprehension is not bad, especially just now. I read his paper and answered very well. , there is a feeling of mastery, not the kind of dead-end problem. Let me make an analogy-Lin Yujing is like a bird, flying high and fast, and Li Zheng is a tree, which is deep and stable. In terms of chemistry, Li Zheng's style is actually better, from Mendeleev to Marie Curie, who wouldn't want to study for 30 hours a day?"

Although Yu Hong felt that what Sun Leyang said was a bit exaggerated, he still praised: "You just have insights. My wife said that you were fully capable of doing scientific research back then."

"Hey, I can't do it, I can't do it." Sun Leyang waved his hands and smiled, "It's still interesting to lead students, hehe."

He became so seamless and wretched, which made Yu Hong flustered.

第89章 Mg2B2O4(OH)2

In the chemistry teaching and research room, Li Zheng, Lin Yujing, and Xu Mengxi came to kill the problem with the momentum of a thunderbolt.

But when I hit the first question just now, it seemed like I fell into the gossip array——

[[-]. According to the conditions, write the chemical reaction equation]

【1-1:工业上,利用碳酸氢铵和镁硼石(Mg2B2O4(OH)2),在水溶液中反应制备硼酸】

Li Zheng: What the fuck is this?My chemistry is really 150+?

Shen Mengxi: Don't panic...don't panic...analyze carefully...step by step...don't panic...no...wow!

Lin Yujing: Hmm... >.<.

However, this is only the first sub-question of the first major problem.

The easiest question.

Correct answer, only 2 points.

Li Zheng now knows why Sun Leyang said that if he can score 10 points, he is a boss.

Although the problem was terrifying, Li Zheng still didn't drive at 56x speed.

This time, he just wanted to know his true level.

Go home and open again.

……

The three of them worked hard to solve the problem, and they completely lost the concept of time.

until the ready bell rings.

Li Zheng raised his head in horror.

Are you kidding me?

Only made 1/4 of it.

But I heard Yu Hong say: "Mr. Sun has gone to class. I have already greeted Mr. Tang. You continue to do it. The exam time is three hours, don't worry."

Li Zheng breathed a sigh of relief, and glanced at the two people beside him.

Xu Mengxi's progress in answering the questions was about the same as her own.

Lin Yujing lay on her side on the table and feebly opened the second interview paper.

Li Zheng stared.

what's the situation?

Already started answering the second question, more than halfway done?

Did you even steal chemistry in college?

So fucking sneaky.

Li Zheng didn't have time to think too much, and went back to Juanmian again.

[In the solution of metal ion M3+, add acid HmX, control the conditions, and different precipitations can be obtained. pH < 1, get precipitate A (M2Xn yH2O, y < 10)...]

fuck you.

What the hell is this talking about...

No matter, do it hard.

……

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