Text content:
In the gloomy drizzle of Rongcheng, we ushered in the first lesson of the third day of school. Familiar teachers, familiar classrooms, looking forward to the new chemistry class.
Before the formal class, Mr. Wu came to the classroom early to prepare PPT. One or two students were sitting in their seats, watching PPT, and suddenly they couldn't help laughing and whispering with their fingers on the screen, as if they had discovered a big secret. While other students are doing their own things, some people are immersed in their homework, while others walk around the classroom and talk to others.
In everyone's loud greetings, the first chemistry class began. Teacher Wu took out a round piece of paper and said, "What do you think is wrong with this paper?" Look carefully and be optimistic. "and stretch the paper back and forth, so that everyone can carefully observe the color and material, which looks no different from others. But who are we? We are students in Class Four. Since you have asked your question sincerely, we will try our best to answer it.
The fat boy held his chin in one hand and frowned, looking straight at the round paper. He is very quiet, which is special in this classroom full of sounds. He said firmly, "Oh, it's ... round." Hearing this, the teacher raised his eyebrows and said with a smile, "There are many such papers at ordinary times, and they are all cut like this."
As soon as the teacher's voice fell, another excellent classmate opened his brain memory bank and searched it carefully. "Ding-"he searched, and he searched for an example that could perfectly refute the teacher. What an exciting moment! Accompanied by his answer, his spiritual finger rhythmically pointed forward: "No, teacher! Toilet paper is square. "
"Well, you're right. I can't refute it. " Teacher Wu opened a container, like magic, a rose-red plum blossom appeared on this round paper, and the first link ended in everyone's exclamation.
"Then why did this happen?" Teacher Wu asks questions. Everyone thought it should be a liquid problem, so they whispered about it. When Mr. Wu heard everyone's discussion, he walked up to this excellent classmate with the bottle of liquid and warned him to have the spirit of devoting himself to science and let him smell it carefully.
The teacher gently fanned the air in front of him, and the classmate seemed to smell the most beautiful and rare taste in the world: "Ah! It smells good! " He held his nose and leaned back slowly. The teacher told him to smell it again and tell the truth.
He fanned the air above the bottle again, and he vaguely smelled something. He continued to lean back and the smell came at him. He continued to lean back, and the smell came more violently. He is still leaning back in his chair. Finally, with the arrival of the pungent smell, "Bang-"his chair fell down. He held his nose with one hand and immediately held the desk of the classmate behind him with the other-indeed, he sacrificed himself for science.
Next, Mr. Wu poured all kinds of strange liquids to let the students appreciate the mystery of chemistry. Although the liquid was spilled in the middle, it also told the students a very important truth: "In the process of learning, don't be afraid to make mistakes, but be brave enough to correct them, just like Mr. Wu."
In laughter, the first chemistry class ended. You see, such a class is so interesting!