Regarding the specific reason for being angry about eating, Mr. Zhang didn't say much. He basically asked Xu Guangling to understand the term temporarily, and then today's lecture, well, to be serious, it is a lecture, to put it casually, it is just nagging, even if it is concluded.
.
Today, Mr. Zhang just popularized the knowledge about colds for him, and then also tested his understanding of Chinese history, haha.
Xu Guangling has decided to take "Chinese History" as an elective course in the future. It's not that he wants to be favored by Mr. Zhang, but Xu Guangling feels that if he keeps coming to Mr. Zhang to listen to lectures in the future,
Historical knowledge may be needed.
Let’s take today as an example.
If he had not understood the interaction between the ancient Central Plains and the northern nomads, Zhang Lao's explanation would definitely not be like this. - What would it be like?
Xu Guangling didn't know, but one thing was certain, that was, it would definitely not be as good as it is now.
It cannot be said that Mr. Zhang was very satisfied with his performance, but generally speaking, it should still be qualified.
However, "qualified" has never been Xu Guangling's requirement. As mentioned before, not only "qualified" is not, not even "excellent", but "perfect" or close to perfect. But Xu Guangling is not too demanding on himself.
, just like today's matter, it is acceptable to be qualified.
After all, it was quite a good thing that he had this knowledge reserve when something unexpected happened.
But today is today, and the future is the future. If the standard is still maintained in the future, it will definitely be something Xu Guangling cannot accept. Therefore, according to the needs described by Mr. Zhang, it is necessary to provide corresponding additional make-up lessons in a timely manner.
Schedule matters.
After the lecture, when Mr. Zhang went to make tea today, Xu Guangling followed him and took over Mr. Zhang's work at the right time. Mr. Zhang did not stop him and let him do it with a smile.
Without entering the study again, the three of them just sipped tea and took a rest in the living room.
While he was relaxing, Xu Guangling remembered how he felt when he practiced the four moves today, and asked Mr. Chen: "Mr. Chen, when I practiced the move you taught me yesterday, what happened to my body today?"
The feeling is very obvious, is there anything I need to pay attention to?"
Xu Guangling said, and then described his practice experience in more detail. Of course, the most important thing was that he seemed to clearly feel the flow of qi and blood in his body.
Xu Guangling asked this question to Mr. Chen, because it was Mr. Chen who taught him. But after listening to what he said, it was Mr. Zhang who said: "I'll answer this question for you. You first
Go outside the door and bring back a leaf."
Xu Guangling was slightly surprised, but immediately stood up and followed suit.
After Xu Guangling went out, or to be precise, when he turned his back to the two old men and walked out of the small building, the two old gentlemen in the living room looked at each other, with deep look in their eyes.
There was a look of shock, and even Mr. Chen, who was a "grand master", had obvious envy in his expression. As for Mr. Zhang, that was not to mention.
Then, Mr. Chen smiled bitterly, while Mr. Zhang was helpless.
The next moment, the two old gentlemen turned their heads in unison and followed Xu Guangling's figure with their eyes, watching him walk out little by little, and then watching him come in step by step.
Xu Guangling was a little uncomfortable as he walked into the living room being watched by the two old men, but he didn't think too much for a moment, "Mr. Zhang, do you think any of these leaves are suitable for use?"
Mr. Zhang asked him to take a leaf back. Since he didn't know Mr. Zhang's intention, Xu Guangling simply took three leaves, one was completely green, one was withered and yellow, and one was half green and half withered. At this time, he could see this
Little clever, the two old men suddenly felt funny again. Mr. Zhang couldn't help but shook his head slightly and said with a smile: "Okay, this one will do."
He reached out and took out the one that was half green and half withered among the three leaves.
After Xu Guangling sat down, Mr. Zhang slowly said: "I would like to say that living things are divided into three categories: microorganisms, plants, and animals. You should know that."
Xu Guangling doesn’t know much about biology, but he really knows this. If he doesn’t know this or forgets it, all the biology teachers in his junior high school and high school will probably come after him if they know this.
.
Seeing Xu Guangling nod, Mr. Zhang continued: "Let's not mention microorganisms. Plants and animals may seem completely different, but they actually have a lot in common. In nature, there are many organisms that have both characteristics.
.”
At this time, Mr. Zhang did not give any examples, probably because he probably thought that even if he gave examples, Xu Guangling might not understand them very well.
But Xu Guangling still nodded at this time to show that he understood, and also took the initiative to show two examples for Mr. Zhang to show that he really understood: "Mr. Zhang, the piranha and the flytrap should be what you said.
This kind of creature?"
When he heard what he said, Zhang Lao smiled and nodded, and then said:
"Plants and animals are just an expedient classification made by the scientific community so far in order to better distinguish living things. Note that it is expedient, so, seriously speaking, it is not rigorous."
"Just like now we call a vegetable that can be eaten raw 'lettuce', it is only expedient. Because if there are many vegetables that can be eaten raw in the future, which is inevitable, what will happen then?
What about the names? You can't just call them 'Lettuce No. 1' and 'Lettuce No. 2', right down the row?"
Xu Guangling smiled.
"Humble words, I am telling you this to tell you that the difference between plants and animals is not as big as most people think, let alone two completely different categories. In essence, they actually have more in common. This means
What does it mean? What happens with plants can sometimes apply to animals, and vice versa."
"There was news in the past that a tree was sick, and people gave it a 'drop shot', and the disease was really cured through this method. Have you heard of this news?" Mr. Zhang asked.
Xu Guangling had actually seen such news on the Internet, and there seemed to be more than one case, so when he heard what Mr. Zhang asked, he nodded again.
"Okay, then we can start the question you just asked now." Mr. Zhang said, and then he shook the leaf he just took in his hand, "I mean, look at this leaf, these things on it
Veins, if humans are used for comparison, what should they correspond to in the human body?"
This is like asking Xu Guangling as if he is a kindergarten friend!
Xu Guangling smiled bitterly, but still didn't dare to answer too sure. It didn't matter if he was slapped in the face. The key is "knowing it is knowing it, not knowing it is not knowing". Talking without knowing is not a good character, so although he is very confident
, but he still said in a questioning tone at this time: "Vessels?"
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Thanks to "Double Fish Boat" for your recommendation vote.