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Several questions about chemistry competition in senior high school: Hu Bojuan ...
Brief introduction of Paul Hu (it can be omitted and found online):

Paul Hu East China Normal University, a fourth-year undergraduate student in the Department of Chemistry, is currently the webmaster of middle school comprehensive subject website and middle school chemistry competition website; He also serves as the deputy stationmaster of four websites (responsible for website maintenance and data management): middle school chemistry alliance, first-come-first-served chemical resource network, chemistry test collection and research learning window. Mainly engaged in the teaching and research of comprehensive subjects and chemical competitions in middle schools. We have compiled a 2 million-word electronic resource library for comprehensive subjects in middle schools, published Teaching Strategies and Thinking Training: 3+X Science Synthesis, serialized six examination papers, created electronic competition counseling materials such as Chemistry Competition Counseling-Stereochemistry, and (22 sets) simulated test papers for the preliminary contest of the national chemistry competition. & gt& gt

1978 10 was born in Changhe Town, Cixi City, Zhejiang Province. 1986 to 1992 studied in Changhe Town Central Primary School; 1992 to 1995 studied in Xianjiang junior high school, and won the second, third and third prizes in the national junior high school chemistry competition (95-day original cup), mathematics competition and physics competition (Zhejiang Division) respectively in the third grade. In the senior high school entrance examination, Cixi ranked 23rd in cixi middle school. I taught myself all the contents of high school chemistry in the summer vacation and the first semester, and took part in the "Donghua Cup" chemistry competition in June 1996 (I took part in it three times). In the third year of high school, he won the second prize in the preliminary contest of the National Chemistry Competition (Zhejiang Division) and the third prize in the National Mathematics Competition. The unsatisfactory results of the chemistry competition aroused the enthusiasm of devoting to chemistry education in middle schools in the future. 1998 college entrance examination scored 648 points (excluding 20 points plus points), and 283 people in the province were admitted to East China Normal University. Ignoring myopia, I was transferred to the statistics department. After a semester, I got excellent grades and finally transferred to the chemistry department after many twists and turns. Being late for one semester does not affect the study of the chemistry department, and at the same time, the first semester of professional courses has passed without class. 1999, the reform of 3+X college entrance examination was started, and comprehensive subjects were set up. At the first time, I started the teaching research of science integration, and sorted out and compiled the earliest science integration questions. The article published in the Postgraduate Entrance Examination was actually written by1July to June, 1999 10. At the same time, I completed the compilation of interdisciplinary content in teaching strategy and thinking training: 3+X Science Synthesis. The research of chemistry competition is also going on in depth. Cixi middle school is my holiday place, and I usually put the comprehensive research experience of chemistry competition and science into action. & gt

I went online for the first time in June, 5438+October, 2000/KLOC-0, and soon came to the first-come chemical resource network; 1 1 registered member, uploaded a lot of information; 65438+uploaded the "3+X" science comprehensive question bank at the end of February, which was well received by allies. After the Spring Festival, the league member's performance has jumped to the first place, and he soon became the editor of the electronic publication of the Virtual Teaching and Research Center (middle school chemistry edition). Later, he was hired by the stationmaster Pan Huadong as the deputy stationmaster of the first-come-first-served network, and soon by the teacher Yang Zhijian as the deputy stationmaster of the chemistry test group. At the same time, the science comprehensive question bank was renamed as the middle school comprehensive subject resource bank, and its content was continuously expanded. At the end of May, Mr. Pan Huadong provided space and had his own website-Middle School Comprehensive Subject Network; At the end of June, Mr. Yang Zhijian designed the first download program for this website, but the demand for resources was so great that the first access to the network server failed. Subsequently, the download program was changed many times, but it was unstable; At present, the download program is running on the first-come-first-served network at the end of September. At the beginning of June 10, he served as the executive stationmaster of "Middle School Chemistry Alliance". At the beginning of September, a sub-website-Middle School Chemistry Competition Network was established. 10 to create a "window of inquiry learning"; Another website, the middle school biology competition network, is under construction. The comprehensive subject network of middle school is growing sturdily. At present, the total number of materials has exceeded 600, and the total IP visits are nearly 654.38+million, of which 1 October 10 has more than 40,000 visits, and it is increasing at the rate of110,000 times a day. & gt& gt

I worked as an intern in cixi middle school, Zhejiang from September 8th to June 8th this year. My main task is to take a senior three student to participate in the preliminary contest of the national chemistry competition in June 5438+10, and achieved good results. I have been engaged in preliminary chemistry research for many years, and my research ideas are consistent with Professor Wu Guoqing's ideas. A large number of simulated test questions were produced in the preliminary competition, which was welcomed by teachers and students with "low knowledge level and high ability requirements", especially this year's competition, with highly consistent content and ability. I have participated in the 200 1 Zhejiang preliminary chemistry competition and the 200 1 Hunan preliminary chemistry competition, and put forward novel competition questions for the candidates in the two places. Stereochemistry is unique, analyzing abstract space chemistry problems from another angle, and solving problems with the eyes of ordinary people. As a masterpiece, it is welcomed by ordinary high school students and even Chinese students. & gt& gt

The following is written by myself:

Paul Hu's questions are several groups of questions he posted on the Internet, which he compiled or made by himself. Before each preliminary contest, he has to sort out dozens of sets of papers (in fact, it's the same every year, just in a different order). A few minutes ago, I was satisfied. It looked like a preliminary contest, but the following ones became more and more off topic in Wan Li, and even multiple-choice questions were given (there were no multiple-choice questions in the preliminary contest).

His topic is a little off-center, and he has exercised the ability of brain teasers, but it doesn't help the game much, so the landlord can try to do a little if he wants to do it, and it won't help if he does too much (or it will help solve the problem a little, but not too much).

However, Paul Hu's summary of the annual preliminary examination questions is still very good, and you can choose.

Different people have different views, and wise people have different views. The above is just a personal opinion, and the landlord has read it.

I also took part in the chemistry competition.