Chapter 18: Touching the threshold

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Even though Lin Yuejing was uncomfortable, Yu Hong's appreciation still did not stop.
"Lin Yuejing, don't be embarrassed. The teacher's words are not exaggerated."
"This time, let's talk about the monthly exam papers and change the method."
"Lin Yuejing, who received full marks, will explain to you."
"I hope you will listen."
"Especially students who work diligently but have poor grades, try to see if they can get any inspiration."
Yu Hong said, after giving up, he raised his hand and asked Lin Yujing to come on stage.
Lin Yujing lectures?
This is lively after get off work.
Lin Yuejing shook his head vigorously.
Seeing this, Jiang Qinghua took the lead and applauded: "Come on for more time, the teacher will let you go."
The classmates clapped like applause.
"Study God teaches."
"The future professor from the Department of Chemistry of thistle is here!"
Even Liu Xin applauded wildly.
Good looking is over, what does Guan Ya say?
Looking at Lin Yuejing shrinking shyly, Li Zheng grinned.
He understands Lin Yuejing.
impossible.
Such people cannot share their own learning ideas.
Sure enough, Lin Yujing half-faced raised his hand and said: "Mr. Yu...I have an uncomfortable voice..."
"Ah, yes..." Yu Hong re-entered the stage with some disappointment, "Then next time."
The students were also very disappointed.
I'm going to listen again.
Only Jiang Qinghua, with a bright expression, lowered his head and risked to pull out his mobile phone to start operation.
Yu Hong began to speak.
Li Zheng also paved the paper and listened to it one by one.
After studying for more than 20 hours, this paper seems to be worthless.
Looking at his mistakes, he even blushed, as if looking at a mentally handicapped.
While the teacher was speaking, he was also doing the wrong questions again, writing the answers he now understands next to test the learning results.
Most of the wrong questions can be corrected by Li Zheng almost at a glance. Even if it is only the normal learning rate, it can only be corrected within a few minutes.
He felt a smoothness like never before.
Not the clear thinking of physical mathematics, but the smoothness of Chinese English.
It is difficult to describe this integration.
So long ago, it was all accumulating.
At this time, it is barely touching the chemical threshold.
Even so, he did not fully understand the seventh question.
Exactly, Yu Hong also mentioned here.
"Look at the seventh question below, which is the only question that Liu Xin is right about.
"The following statement is incorrect--"
"[A, sucrose, fructose and maltose are all disaccharides.]"
"I learned it as soon as I came up, fructose is a simple sugar, so A's statement is wrong, choose A."
"Because it is a multiple-choice question, in order to save time during the exam, B, C, and D do not need to read at all."
"But here we still have to talk about it."
"[B, enzymes are a class of proteins with catalytic properties.]
"This narrative is correct, not much to say, there is in the textbook."
"[C, different crops have different optimal pH ranges for growth.]"
"Even if you don't read textbooks, common sense should know that this is right."
"[D, industrial plating has certain requirements for the pH of the plating solution.]"
"I'm afraid that you can't get free points, and you have deliberately come up with a D option that everyone knows is no problem,"
"A classmate can't live up to expectations."
"In summary, B, C, D are completely correct, A is obviously wrong, so choose A."
Laughing, Liu Xin scratched his head again.
Is it easy to get it right, can this be targeted?
"But!" Yu Hong suddenly turned his head and turned to Li Zheng. "We have a classmate who has always worked hard, but he gave a funny answer. Li Zheng, you say it yourself, what did you fill in?"
"A, B." Li Zheng answered.
"You are so powerful. You have done more than one year. Don't you know this is a multiple choice question?"
"On your answer, I really don't know where you usually work hard."
The sparse laughter sounded.
Liu Yue looked at the joke from afar.
"Teacher, Li Zheng memorized all the books."
All of a sudden there was a lot of discussion.
Some people even showed a look of superior IQ.
"Studying still doesn't work."
"Li Zheng is stupid to learn, multiple choices are out..."
"I didn't even learn, and this question was answered correctly haha."
The whole class looked at it like this.
Li Zheng was fine.
But I don’t want to be Lin Yujing...
He couldn't help but squint his eyes secretly, and Yu Guang observed.
Strange, at such a good opportunity, Lin Yuejing didn't even ridicule.
On the contrary, she ignored Li Zheng at all and was nervously flipping through the book.
On the podium, Yu Hong sighed again and again.
"Hey... do I want you to memorize it?"
"The key to understanding is understanding."
"Li Zheng, you ask Lin Yuejing, did she carry it?"
"You talk about it. Where does the chemistry book say that enzymes are not proteins?"
"Nothing," Li Zheng nodded. "The description on page 81 of the textbook is-‘Enzymes are a special kind of protein and an important catalyst in the body.’

"Look, although you have bad eyesight, but how good is your memory." Yu Hongyang asked with his head, "It's all written in the book, why do you choose B?"
"Because the narration in the chemistry book conflicts with the narration in the high school biology book." Li Zheng explained, "The chemistry book says that enzymes are a type of protein, but the biological books say that the vast majority of enzymes are proteins and a few Is RNA."
"For this reason, it took me a lot of effort to get on Wikipedia."
"After investigation, the Wikipedia narrative matches the biology textbook."
"Afraid of omissions, I clicked on more entries and repeated confirmation."
"Cech discovered the ribozyme in 1981 and won the Nobel Prize in 1989."
"In addition, mainstream articles on Zhihu and Zhizhi also made it clear that enzymes may also be RNA."
"Other new versions of chemistry textbooks use the above statement."
"At this point, it is basically confirmed that the version of the chemistry textbook used by our school has a wrong description."
"After that, I wrote an email and sent it to the Education Press."
"I hope that other students will not have to lose time because of this matter."
"So, option B, the enzyme is a protein, is a wrong statement. The correct statement should be'Most enzymes are proteins.'"
"In summary, I choose A and B."
Li Zheng is finished.
The atmosphere in the class gradually became strange.
silence.
Cold.
And "huh."
Lin Yuejing held the textbook and stared at Li Zheng slightly with his mouth open.
This time, it was not mocking.
It turned out to be respect.
Seeing her look so pious.
Li Zheng also showed her nod to her.
Although we have conflicts in many places.
But in the face of knowledge, our faith is unique.
Lin Yuejing did not accept Li Zheng's kindness.
Instead, he gritted his teeth and glared at his paper.
Nervous.
Panicked.
Li Zheng couldn't help shaking his head.
I'll give you down the steps, forgive you.
You still do.
Don't look at you anymore.