Naturally, this is not a convenient thing to do.

After all, the relative atomic mass growth of the preceding element 20 does not seem to have much to do with it.

It's been growing, but there's no pattern to what is changing.

After all, as the atomic number increases, there is no pattern to the increase of neutrons.

The rules of the electron shell arrangement are much in the future, so it is more abstract to remember the relative atomic mass directly against the periodic table.

Although the relative atomic mass of hydrogen is 1, it becomes 4 for helium, 7 for lithium, and 11 for boron, and it seems that among these elements, the change is getting bigger and bigger.

However, in the later stages, the changes between carbon (relative atomic mass 12), nitrogen (relative atomic mass 14), and oxygen (relative atomic mass 16) are smaller again, so the law seems to be troublesome.

Therefore, in the face of this recitation task, Wu Zhen seemed a little helpless.

In the end, though, it was done.

After all, the relative atomic masses of the first 20 elements are all increasing, so write them silently in order, and the whole process will be much simpler.

When he had finished writing these dictations, Mr. Jiang smiled and said, "Okay, next, for each exam, remember to first put the first 20 elements of the periodic table on the scratch paper." ”

Naturally, everyone seemed disdainful.

After all, how much of a table such a table can do for an exam.

Naturally, during this time, Wu Zhenzhen was also working other courses.

After all, shame is followed by courage.

The results of the previous final exams were indeed somewhat terrible.

Naturally, the hardest working is English.

After all, when tall buildings rise from the ground, English is inseparable from reading aloud.

So, according to the routine of smelling the chicken and dancing, I started reading English at 6 o'clock every morning.

Naturally, this is not counting, the repeater that has been used for three years seems to have been reluctantly retired due to the recent overstart, and then, the new repeater bought last year suddenly went down.

However, the more time is not enough, the more messy it becomes.

Teacher Sima walked into the classroom with a straight face and said, "Students, tell you a good news and a bad news. ”

After a pause, Teacher Sima smiled and said, "Which news do you want to hear first?"

Wang Sheng immediately said: "Of course, I will hear the good news first. ”

Then, Teacher Sima immediately smiled and said, "Well, then I'll tell you the good news first." That is, the difficulty of the history exam will be lowered. ”

Sure enough, the class cheered happily, after all, it is indeed a good thing that the difficulty of the history exam has decreased.

When I think about the embarrassment of holding six books for an open-book exam, people seem more melancholy.

When everyone's voices were almost under control, Teacher Sima continued: "Okay, let's be happy, it's time to hear the bad news." No, it's not bad news, it's just an adaptation of good news. ”

"Okay, Teacher Sima, don't sell it. The kids said.

"Okay, then I'll say it. That is, the next history exam will take the form of a closed-book exam. Teacher Sima said slowly.

Naturally, such a piece of news undoubtedly stirred up a thousand waves with one stone, and the entire classroom immediately boiled.

After all, it's really not good news that the open-book exams are all doing a bad job, and they just become closed-book exams.

Wu Zhenzhen also looked pained.

After everyone's emotions were almost adjusted, Mr. Sima said slowly: "Actually, this thing is not terrible. You must know that if it becomes a closed-book exam, then the difficulty of the exam will inevitably be adjusted downward, which actually reduces everyone's burden. ”

Naturally, they will not believe Mr. Sima's words.

After all, closed-book exams and open-book exams are completely different operations for the same course.

After school at noon, Li Zengfan said with a wry smile: "As soon as this history is changed to a closed-book exam, there are more things to memorize. ”

Wu Zhenzhen said: "Isn't it. I already added a chemistry class and there were a lot of things to memorize, and now it's like this again in history class. I really don't know if I'll be able to make it back. ”

Li Zengfan said: "Well, you have to have faith." After all, you're just not doing that well on this exam before. ”

Wu Zhenzhen said: "Alas, forget it, I can only do my best and obey the destiny of heaven." ”

As a result, history books have become a must-read number every day.

After all, I hadn't thought about memorizing anything before, and now I had to read books over and over again to bring the main points of history class to mind.

However, fortunately, there is no change in the ideological and moral class, and there is only one book in the ninth grade, so in general, the burden of liberal arts has not changed.

The difficulty of physics seems to have become greater.

The wide variety of circuits appears intricate.

Although the connection method is nothing more than series-parallel connection and logic circuits, it is not so simple to sort it out.

Fortunately, the Chinese class can still make people feel a little relaxed.

It seems that the reading excerpts that I have been sticking to for a long time have had an effect, so it is much easier to face the new content.

In the first few days of the make-up class, Mr. Li was explaining the problems of pronunciation and glyphs.

However, the word collusion still seems to be difficult to understand.

As soon as Mr. Li proposed this word in class, Sun Can immediately gave a standard answer: it is a metaphor for the two people who smell the same.

Teacher Li smiled and said, "This idiom is actually not derogatory in terms of allusions. ”

Then, Mr. Li began to talk about allusions.

It turned out to be a story in an imperial examination.

In this imperial examination, Cui Xin is the chief examiner, Cui Lian is the candidate, and Cui Lian's articles in this imperial examination are amazing.

Therefore, after the exam was completed, Cui Lian naturally got Cui Xin's appreciation, so it is not strange that he will improve quickly.

After all, it is not difficult for Bole to rise to the top after he arrives at the horse.

Naturally, there is nothing inherently wrong with this.

After all, Cui Xin, as the chief examiner of the exam, promoted Cui Lian, who wrote well, to be understandable.

However, the word 沆瀣 together means something like water vapor. It just so happened that the names of the examiner and the examinee met these two words, and the two still had the same surname, so there was a joke between those literati who played with ink at that time.

However, to the uninitiated, this seems to be a hint at some unusual relationship between the two.

Then, people who don't know the inside story think that Cui Xin and Cui Lian are cheating.

So, over time, the idiom became a completely derogatory term to describe two people who smell like each other.

Then, Mr. Li changed his words and said, "Of course, I can't ask you to know everything about it, after all, the road to language is endless. However, if you come across a word that you find difficult to understand, it's best to get to the bottom of it. ”