"Hello, everyone." Bai Song bowed first, and the students immediately quieted down.
It is rare to see a teacher bow as soon as he comes up, so Bai Song immediately attracted everyone's attention.
"I am a policeman." Bai Song's words shocked many students. After studying for so many years, it was the first time they saw someone come up and say that he was a policeman.
"Maybe no one knows me. In fact, I was also sitting in the class last time. Professor Tang may have noticed that I was not paying attention in class, so he called me to the podium..."
Bai Song's dry humor still made everyone laugh, and the atmosphere became much better.
At this time, some people started to whisper that someone knew him! To be honest, Bai Song was also a little blogger, especially the last gold case, which caused some discussion among many chemistry students.
Because it involves hydrofluoric acid corroding the floor slabs, in actual operation, even professionals dare not do this. As a result, so many follow-ups occurred in the end. It is indeed an interesting case.
After this was passed around, many people knew that Bai Song was indeed a policeman in Tianhua City, and a criminal policeman at that, which caused a lot of gossip.
Perhaps influenced by TV dramas, many people assume that special police are better than criminal police, and criminal police are better than civilian police...so when people mention that this is a criminal police, they immediately become more interested.
The class has achieved good results before the lecture even started, which was something Bai Song had not expected. The nervous feeling he had just had was basically gone.
Bai Song placed his hands 20 centimeters in front of his belly, spread his hands upward, motioning for him to be quiet for a while, and then continued: "Today, we are going to discuss the chemistry in life, mainly the chemistry related to plastic surgery."
Even though everyone was an excellent student, Bai Song had prepared for the class for a whole week and there was still a lot to talk about, especially regarding plastic surgery, beauty, and medicine, which indeed aroused the interest of many people.
Twenty minutes into the class, Bai Song's cell phone rang.
Because of work reasons, Bai Song never sets his mobile phone to silent mode. Bai Song took it out and took a look. It was from Liu Shuyuan. He didn't know what the big deal was, so he could only apologize to his classmate, turned off the microphone, and answered the call.
"What's the matter?" Bai Song's expression was a little serious.
"It's cloudy today, so we sent people to the hospital, but the 13th floor was closed." Liu Shuyuan said.
"It's okay. It's normal that it's not open on cloudy days." Bai Song lowered his voice, covered his mouth, and said.
"Could it be because we alerted the enemy?" Liu Shuyuan was a little worried.
"No, if we alerted them, they wouldn't have sent the truck out so soon after we came out yesterday." Bai Song said, "It's a cloudy day. If the lights on the 13th floor are too bright, it will be easy for people outside to see us."
"That's good," Liu Shuyuan sighed softly, "By the way, what are you doing? Why is your voice so low?"
"Let's not talk about that for now. I'm giving a lecture." Bai Song returned to his normal volume.
"Lecture, oh oh oh, yesterday you said..."
"Well, that's it. Tell me if there's any other progress in the case."
After saying this, Bai Song hung up the phone with Liu Shuyuan.
…
"The policeman looks so handsome when he's serious..."
"Yeah, his expression suddenly changed, it's really quite handsome..."
…
Although Bai Song did not turn on the microphone, the few words he said at a normal volume could still be heard by people in the front rows. They generally knew that Bai Song had arranged a case on the spur of the moment, which aroused everyone's curiosity.
He had good hearing, and once he calmed down, he could basically hear everything that was being talked about. Now, hearing what was being talked about, he couldn't help but blush.
Snap, snap, snap…
Some people applauded.
Bai Song took a look and wondered who else it could be but Wang Huadong.
Applause is contagious. Everyone started clapping and cheering, asking Bai Song to explain the case.
"I'm sorry, this case is confidential." Bai Song apologized to everyone, "Let's continue with the topic just now."
Bai Song felt quite comfortable talking about these things. Perhaps it was because everyone was of high quality and did not make things difficult for him, so he was able to answer several questions and the classroom atmosphere gradually recovered.
When talking about subcutaneous injection drugs, Bai Song suddenly froze for a moment. He was still a little unskilled, so he had to flip through his notebook and continued talking.
Old Tang asked Bai Song to speak for an hour, but Bai Song planned to speak for 45 minutes. In the end, he spoke for 50 minutes, which was quite good.
Bai Song even saw a few people taking notes, which really gave him a sense of accomplishment.
"Thank you all for listening to my talk. Chemistry is a magic. I hope that everyone can make good use of the magic wand in their hands and become talents in various fields. Thank you." Bai Song bowed again and stepped down from the podium.
Hearing the applause again, Bai Song made a gesture to Ding Jianguo to invite him in and handed the podium to her.
As a result, as soon as the young lady stood up, the whole class burst into thunderous applause. She hadn't even stepped onto the podium yet, but her effect was countless times better than Bai Song's!
What’s more, the man sitting in the assistant teaching position in the first row almost broke his hand!
Bai Song originally wanted to express some gratitude to Wang Huadong for applauding, but he was speechless when he saw this.
Is this brother?
Ding Jianguo's voice is very infectious. Today he is not going to give some profound chemistry lessons, but rather share some experiences on thesis writing and experiments with the master's level chemistry researchers present.
This is real and useful knowledge. Everyone here, unless they have already graduated with a doctorate, faces this problem. And the lecturer above is said to have published his doctoral thesis in an internationally renowned journal, and has received many SCI publications.
But this is of little use to Bai Song, and he certainly cannot study these professional knowledge.
Human power is limited. Even Einstein is inferior to ordinary people in many aspects.
For example...his Chinese is not as good as anyone here!
Wang Huadong nodded to Bai Song, wrote a few words on the notebook and handed it to Bai Song.
"I saw you were stunned for a moment while you were teaching just now. Is there something wrong?"
He knew Bai Song very well. Every time Bai Song was distracted, his brain circuit was usually connected to something, and this often led to solving a case.
"When did you become so observant?" Bai Song took a pen and wrote on the notebook.
"Don't forget what I do." Wang Huadong continued, "What is it? Can you tell me?"
"Don't worry." Bai Song wrote, "I have an idea that needs to be verified. If it is true, then there should be an opportunity to solve this case."
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