Twenty-six students from    math camp were taken to a small classroom by the instructor, among them 25 boys and one girl.

   "Hey, look at Shen Qi, there are girls." Zhou Yuan sat next to Shen Qi, as if he had discovered the New World.

   "Sisters who can enter the math camp must be unique." Shen Qi has never seen a female teammate from the school mathematics team to the provincial team, and then to the national team.

   There is a blackboard hanging in front of the classroom, and there are two people standing in front of the blackboard, one fat and the other thin.

   Fat people are older, thin people are young. The elder is the instructor and the young is the assistant.

"Dear students, please be quiet." The fat man said cheerfully, more approachable: "My surname is Sun, and my name is Sun Erxiong. I am from the northeast. I am the instructor of this golden autumn math camp. You call me Teacher Sun and Lao Sun, It’s okay. Don’t get me wrong. My Sun Erxiong and Sun Erniang have absolutely no relatives. I work in our School of Mathematical Sciences at Peking University. I have never opened a black shop. My grandson traveled all over the world with a sincere conscience. "

  Hehehe.

   The students in the audience laughed and were amused by Sun Erxiong.

Sun Erxiong went on to say: "I came from a rural area, my parents are not well-educated, and there is an old sister above. I am the second child, so I am called Sun Erxiong. The guy next to me is my assistant Qian Fang, and we will be with our classmates. Spend 20 happily days together. Okay, my self-introduction is over. Next, I will invite 26 classmates to make a concise self-introduction."

   Sun Erxiong has a list of 26 students in the math camp. He called: "Ding Hai, please introduce yourself first."

A small boy stood up and said, "Hello everyone, my name is Ding Hai, Ding is a strong Ding, and the sea is the sea of ​​the sea. I come from the High School Affiliated to Central China Normal University. I especially like mathematics and won the championship of the National Mathematics Classic. , Nice to meet everyone, thank you."

   "Okay, classmate Ding Hai is very impressive. He is the national champion of mathematics. Come, let us give Ding Hai the warmest applause." Sun Erxiong smiled and took the lead and applauded.

   Happiness.

   There was a symbolic applause from the audience, not too warm.

Zhou Yuan patted the palms lightly, and whispered: "This guy from the First Affiliated High School of Central China Normal University is not good at EQ. Who can enter the Mathematics Camp of Peking University, who has never won a math championship? What, isn't he asking for a face? Wait for Shen Qi, you say, hello everyone, my name is Shen Qi, I won the IMO championship with a full score... Haha, wait for Shen Qi to pretend to be forced."

   Shen Qi did not speak, he silently observed the classroom environment, as well as every student, fat instructor, and thin assistant.

   Sun Erxiong winked at the thin assistant. The thin assistant operated a remote control, swiped and pulled, and a curtain slowly fell above the blackboard, and the projector hung on the ceiling of the classroom was activated at the same time, projecting light onto the front curtain.

   Thinzi assistant plugged in a data cable to the laptop in front of him, and saw a line of clear text displayed on the screen: "If the apple is enlarged to the size of the earth, how big are the atoms in the apple?"

   Sun Erxiong still smiled and asked: "Ding Hai, can you see the content projected on the screen clearly?"

   Ding Hai: "Yes."

  Sun Erxiong: "Then, how big are the atoms in an apple? This has nothing to do with mathematics, it is just a comprehensive test of common sense, Ding Hai, just say the answer you think is correct."

   "This..." Ding Hai was caught off guard. After introducing himself, he still has to answer the questions? Is this the Peking University's rules for entertaining Mengxin?

   Ding Hai made gestures and circled in the air: "It's so spicy."

   "How big and how big is it? Please elaborate, classmate Ding Hai. For example, the size of football and the size of basketball?" Sun Erxiong prompted.

   "Football is so big." Ding Hai said.

Sun Erxiong nodded, smiling calmly and said: "The most correct answer is that if the apple is enlarged to the size of the earth, then the atoms in the apple will be the same size as the original apple. Well, Ding Hai’s answer is closer, please Sit down. Don’t be nervous, it’s okay. As I said just now, this is just a common sense test. It’s a routine. Okay, let’s ask Wang Sheng to introduce himself."

  Wang Sheng stood up and introduced himself, my name is Wang Sheng, the king of the king, the victory of victory, from Hengshui Middle School...

   A new common-sense test question was switched on the curtain: “Among the following substances, which of the following substances is non-toxic: cadmium acetate, methylmercury, BAL, arsenous acid, yellow almond powder,?”

   "This... After testing the physical test chemistry? Is this a common sense test?" Zhou Yuan began to complain again, "Really, I know that cadmium, mercury, and arsenic are poisonous, but what the **** are BAL and Huang Danfen?"

  Wang Sheng hesitated for a long time and finally gave the answer: "Huang Dan powder is non-toxic."

   "Wrong." Shen Qi shook his head, "I also forgot what Huang Danfen is, but I know that BAL is an antidote. I have this thing in my house. Mom brought it back from the hospital."

Under the curtain side, Sun Erxiong smiled kindly: "The chemical formula of Huang Danfen is lead oxide. It is widely used in the production of Songhua preserved eggs. Huang Dan powder is not highly toxic, at best it causes chronic poisoning. Um, Student Wang Sheng’s answer is very close, please sit down. By the way, the non-toxic of the five substances is BAL, which is dimercaptopropanol, which is a chemical antidote that specializes in heavy metal poisoning. Dear students , This is a comprehensive test of common sense in the math camp. It’s a routine, don’t be nervous if it’s okay."

   "Common-sense comprehensive test has nothing to do with mathematics. It is all other subjects. This touches the blind spot of my knowledge. It is a tricky problem, Shentemo Huang Danfen and BAL." Zhou Yuan habitually complains.

   "Hey, Zhou Yuan, have you noticed a pattern?" Shen Qi whispered vigilantly.

   Zhou Yu'an nodded: "First Ding and then King, the fat instructors are called in the order of the surname strokes. Seven strokes for the heavy characters, eight strokes for the weeks. You introduce yourself before me and answer a common-sense question at random."

Shen Qi looked at the seemingly inexistent thin assistant in the corner: "This is one of them, and the other is that the thin assistant is recording the answers to common sense questions. The fat instructor asked the question calmly. This is just a cover, I I guess they are scoring us secretly."

   Zhou Yu'an frowned: "The fat man is a smiling Yan Luo, and the thin man is a ruthless judge. He answered a wrong question and went home?"

   Sun Erxiong continues to roll the names, and ask other students to take turns to introduce themselves. UU Reading www.uukanshu.com

   Wang Ruixin, Tian Zhiyuan, Jiang Yongming, Liu Junfeng, Liu Bolin, Li Huayang...Sure enough, they are named according to the surname. Most of these students come from the top high schools across the country, and all of them won awards in various math competitions.

   The common-sense test questions on the screen are constantly updated, physics, chemistry, biology, history, geography, literature, international and domestic news... all fields are involved, but there is no mathematics.

   Some of the first ten people answered correctly and some were wrong. The question bank was randomly sampled. Common sense test questions are not esoteric theories, but the breadth of knowledge of the students is tested.

At this time, Sun Erxiong glanced at the list in his hand, raised his head to lock a student in the classroom, his smile was radiant and happy, his eyes narrowed into a slit, and he didn’t smile: “Next, let’s use the most enthusiastic one. Applause, welcome to the full score champion of the United Nations Finals and the IMO full score champion ---Shen Qi!"

   Hey, fat old grandson, you have a lot of words, why did you finish all my lines, which made me act so lightly. Shen Qi stood up and introduced himself: "My name is Shen Qi, I love learning, I like reading, I like to run, I have been to the king, and I have written papers. I am currently writing textbooks. In short, I am very ordinary. Thank you, the introduction is complete. ."

   "Shen Qi, you are not ordinary, you are very, very amazing, Peking University welcomes you!" Sun Erxiong applauded, and the flowers bloomed.

   Happiness.

   The applause from the audience was warmer than before.

   "Knowing that he is an IMO champion, never thought of being a king?"

   "Have you written a paper?"

   "Writing textbooks?"

   "Can't provoke, can't provoke."

   Other students talked a lot.

   "I'm an ordinary man, Shen, invisible pretence is the deadliest." Zhou Yuan smiled and applauded, this wave forced full marks.

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