Luo Yu stood up.

Looking at the question on the blackboard, Luo Yu barely thought about it, and the answer came to mind, and he said very easily: "Choose D for this question." ”

Xue Wanyangdai frowned slightly.

Didn't even stump him?

Is it blind?

"Then you can briefly explain why option D is wrong." Xue Wanyang continued.

"After the DNA of the S type bacteria is treated with DNase, the DNA of the S type bacteria is destroyed, and it is mixed with the R type bacteria, and the S type bacteria cannot be obtained." Luo Yu still answered freely.

"Okay, you can sit down first."

Xue Wanyang looked at Luo Yu with a strange gaze, she knew what level Luo Yu was on weekdays, and almost every time she passed the professional class, hovering on the edge of failing the course.

"Did I make it easy?" Xue Wanyang thought in his heart.

Because it is a casual question on the spot, Xue Wanyang did not come out with a very complicated question, and this question is indeed not difficult.

The morning passed quickly, and Luo Yu felt that learning was so simple for the first time.

There was no class in the afternoon, so Luo Yu went back to the dormitory after lunch, and pushed open the door and didn't see anyone.

Since Luo Yu helped Cangshi win the game, the atmosphere in the team has become more tense, and Coach Yang knows that Luo Yu will not come to be a foreign aid every time, so he has strengthened the daily training of the school team.

As a result, Ma Mingbo and the others even had lunch in the gymnasium, and they also lost their lunch break.

As soon as he walked into the dormitory, Luo Yu heard a "pop" sound.

Looking for the sound, it turned out that the little hamster was patting the cage, as if trying to get his attention.

"What's wrong?" Luo Yu stepped forward and asked.

The little hamster pointed to the door of the cage, and Luo Yu actually saw a pleading expression on its face, which was very humane.

"You want to come up?" Luo Yu tried to understand.

The little hamster nodded hurriedly.

This kind of ordinary wire cage does not have the ability to imprison the current little hamster at all, and it will wait for Luo Yu to come back and ask for instructions, it seems that it is indeed a lot more sensible.

Anyway, being idle is idle, and it's good to play with the hamster for a while, so Luo Yu opened the cage.

The little hamster got out of the cage, jumped up, jumped on Luo Yu's shoulder, rubbed his cheek, and squinted with great enjoyment.

And Luo Yu could feel that the aura in his body was decreasing, although the amount was small, but this situation had never happened before.

Looking at the state of the little hamster again, Luo Yu suddenly understood that it was absorbing the aura in his body.

"It's really made you cultivate." Luo Yu was a little crying and laughing, and he rubbed the hamster's head.

It turned out that I had only heard that weasels could become immortals, and hamster cultivation was still a novelty, and it was estimated that it was the only one that cultivated immortals throughout the ages.

The little hamster greedily absorbed it for a few minutes, and then lay on Luo Yu's shoulder, rubbing his stomach with his paws, as if he had just eaten enough.

And Luo Yu sensed it, the hamster had been sucking for so long, and the total amount of spiritual energy in his body had even dropped by less than one percent.

Thinking about it this way, the storage amount of aura is also related to body size, but I don't know if it has any effect on the speed of cultivating immortals.

"The few are all golden spiritual energy, you kid is still an innate golden spiritual root?"

Originally, Luo Yu was just joking, but the little hamster nodded when he heard it, and then jumped down and came to Luo Yu's desk.

After looking around, he finally found a pen cap from the gap and held it in his hand, and the golden aura around his body suddenly appeared.

Just as Luo Yu was guessing what it was going to do, his eyes suddenly widened a little.

Under Luo Yu's personal gaze, the pen cap in the little hamster's hand gradually changed from an ordinary black plastic to a golden color.

After finishing, the little hamster seemed to consume a little too much, and jumped on Luo Yu's body again, greedily sucking the aura in his body.

Luo Yu picked up the golden cap on the table and held it in the air to look at it.

"It's... Turning stones into gold? ”

The cap reflects a shiny golden light in the sunlight and looks like it is made of pure gold in color.

It's not going to really turn into gold, is it?

If it is, then Luo Yu's financial freedom is just around the corner, and in the future, Xiu Xian needs to buy materials, and he doesn't have to be careful anymore.

Luo Yu reversed the weight, at least there were more than a dozen grams, and it was indeed like the texture of metal, if it was really pure gold, it was worth several thousand.

What kind of little hamster is this?

This is not pure money, rats, and the God of Wealth!

In order to verify whether the pen cap has really turned into gold, Luo Yu went directly to the nearest gold shop, and the general gold store will recycle gold, so it can naturally verify the authenticity of the gold.

"Welcome to Zhou Youfu, do you want to buy jewelry?"

As soon as Luo Yu entered the store, a clerk wearing a rose-red uniform and a sweet smile walked over.

"No, do you collect gold?" Luo Yu went straight to the point.

The clerk looked at Luo Yu, in the luxury industry, the most important thing is eyesight, and it can be seen from Luo Yu's dress that he should still be a student.

There weren't many people of this age who came to sell gold, but the clerk didn't show anything out of the ordinary, and still smiled, "Please come with me." ”

When he came to the counter, Luo Yu took out the pen cap and put it in front of the clerk.

Seeing Luo Yu take out a pen cap, a trace of displeasure flashed on the clerk's face, thinking that he was joking, but after taking a closer look at the color of the pen cap, she was stunned at first.

Could it be a custom-made cap made of gold?

Many wealthy people like to use gold to customize various items, and pens are the most common of them, but most of them are fountain pens.

Look at Luo Yu again, if you don't care about the color, it's more like the cap of the water-based pen in the stationery store for two dollars and three pieces.

"Is this the bad taste of the rich?" The clerk thought to himself.

The clerk wearing white gloves picked up the cap of the pen and inspected it with professional equipment, and was stunned again after seeing the results.

"How so?"

The clerk frowned.

Seeing her expression, Luo Yu was also a little unsure, could it be that it wasn't gold?

"What, is there a problem?" Luo Yu asked.

The clerk shook his head like a rattle.

"No... No problem, it's gold, but it's a bit of a purity...", the clerk stammered a little.

"Is it too low in purity?" Luo Yu guessed, after all, it was the first time for the little hamster to use this ability, and it was normal for the stone to be turned into gold completely.

But since it's really a bit of gold turned into gold, it doesn't matter how pure it is, as long as the amount is large enough, it doesn't hurt if the purity is low.

Luo Yu was already contemplating the little hamster's path to cultivating immortals.

The clerk showed Luo Yu the purity displayed on the device.

【100.00％】

Yes?

Not to mention the clerk now, even Luo Yu was stunned for a moment.

No wonder the clerk reacted this way, after all, this pure gold theoretically does not exist.