Reflection on the 2011 Shanghai subway line 10 accident
The 2011 Shanghai subway line 10 rear-end collision incident reflected many problems. From a technical and operational perspective, signal failure was the direct cause of the accident. The loss of power at Xintiandi Station disrupted the normal command and dispatching system of train operation, resulting in errors in the subsequent manual dispatching, which eventually led to a train collision. This indicated that the subway system had extremely high requirements for the reliability and stability of key technical equipment such as signals. Any technical failure could trigger a chain reaction and threaten the lives of many passengers. From a management perspective, the accident exposed a loophole in dispatching management. After the signal failure, although the telephone block method was used, it was obvious that the train dispatching process could not accurately coordinate the operation status of each train, causing the No. 1005 train to collide with the No. 1016 train in front of it after the departure of the ticket. This reflected that in an emergency situation, the dispatching and commanding ability of the subway operation management department, the response plan for special situations, and the coordination and communication ability between various departments were insufficient. From the perspective of the safety system, the accident also indicated that the entire subway safety system needed to be further improved. This included the daily maintenance and inspection mechanism of the equipment to ensure the stability of key equipment such as the UPS to avoid major accidents caused by minor faults such as loose lines. At the same time, in terms of personnel training, whether it was the dispatcher or the station staff, they needed to strengthen the safety awareness and emergency response ability to improve the response ability of the entire subway operation system in the face of emergencies and ensure the safety of passengers. In addition, this accident also reminded the community to pay enough attention to the safety of public transport infrastructure. The subway operator should constantly review and improve its own operation management system, the supervision department should strengthen the supervision of subway operation safety, and the public should also strengthen their self-protection awareness and pay attention to subway safety issues, so as to jointly promote the improvement of subway safety operation level. Read more exciting novels for free
Reflection on the Lanxin railway accident
The following is a reflection on the Lanxin railway accident: The Lanxin railway accident sounded a heavy alarm for railway safety. This incident revealed many things worthy of deep reflection. First of all, the accident reflected a serious loophole in safety management. From the person in charge of the operation to the shift leader, they failed to strictly abide by the safety regulations when directing and organizing the operation. For example, the person in charge of the operation illegally arranged for personnel to cross the upstream line to transfer the work site. This mistake in decision-making was the beginning of the accident. The shift leader blindly organized the personnel to cross the line without confirming the traffic condition of the train on the upper line, which reflected the lack of rigor and responsibility at the field operation command level. Secondly, the failure of the security guards to perform their duties was also a factor that could not be ignored. Safety guards were supposed to be the key line of defense to ensure the safety of construction workers, but in the Lanxin railway accident, the guards failed in many aspects. When they received the news that the train was approaching, they did not stop the construction workers from crossing the line even after confirming the train's location with the middle protection officer. This highlighted the indifference of the safety protection officer to his own responsibility and the lack of safety awareness. Moreover, the workers 'lack of safety awareness was also one of the reasons for the accident. When the line of sight was blocked by the tamper stabilizing vehicle, the cross-line personnel did not notice the approaching passenger train, which indicated that the operation personnel lacked sufficient observation of the surrounding environment and alertness to potential dangers during the operation. On the whole, this accident warned us that railway safety is a systematic project. Every link and every post must be deeply aware of the importance of safety. Safety awareness must be deeply rooted in the hearts of every participating employee. Not only must they know the safety regulations, but they must also strictly abide by them in actual operations. The management level should strengthen the management and training of personnel, improve the quality of the workers, strengthen the safety management, and ensure that every instruction and every operation complied with the safety regulations. At the same time, safety measures and emergency response mechanisms should be constantly improved so that they could respond in time to minimize the occurrence of similar tragedies. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Materials for the subway maintenance workers 'reflection meeting
The following is an example of a subway maintenance worker's reflection meeting speech: Dear colleagues, Our subway maintenance work is irreplaceable for the safety and stable operation of the entire subway system. Here, I would like to reflect on our work and share my thoughts. First of all, in terms of work processes, we know that the subway maintenance work process is cumbersome and involves a lot of professional knowledge and skills. We need to have a deep understanding of the structure of the power supply system, and we need to be familiar with the various cable laying and connection methods. There must be no mistakes in the use and maintenance requirements of the equipment. However, in actual work, there might be situations where new equipment and new technologies were not mastered in time. With the continuous development of subway technology and the continuous use of new equipment, we should be more proactive in learning these new knowledge to improve work efficiency and maintenance quality. Secondly, safety is our top priority. We have always adhered to the comprehensive inspection and testing of safety measures before each maintenance, strict compliance with operating procedures and protective measures during operation. However, it was undeniable that in the long-term maintenance work, there might be occasional fluke mentality due to fatigue or habituation. For example, in some routine maintenance tasks, some safety inspections may not be detailed enough. This is a very dangerous behavior. Even the smallest negligence may cause serious safety accidents. We must put an end to this fluke mentality and always maintain a high degree of vigilance. In terms of teamwork, our work often requires the cooperation of many people. Good teamwork is the key to our successful completion of the mission. We have done a good job in close cooperation, communication and cooperation among the team members, understanding their respective division of labor and responsibilities, and actively completing the mission. However, there was still room for improvement in communication efficiency. Sometimes, the transmission of some key information may not be accurate and timely enough, which may affect the progress and quality of the maintenance work. In future work, we need to strengthen training in this area to ensure that information is transmitted accurately. Lastly, it was about continuous improvement and learning. We are faced with a constantly changing work environment and challenges. Continuous learning and improvement of work methods and skills are our magic weapons to meet these challenges. Although we also improve ourselves by participating in training courses and communicating with our peers, we can further expand our learning channels. For example, he could participate more deeply in technical discussions within the industry, share experience and discuss technology with more experts and frontline staff, so that his professional level could be greatly improved. There is still a long way to go for our subway maintenance work. I hope that all of our maintenance staff can seriously reflect on their work, continuously improve, and devote themselves to work with a more rigorous attitude and a higher professional level to ensure the safe operation of the subway system. Thank you, everyone! <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
A novel as good as the crowded subway line 3
There were novels similar to The Congested Line 3: Book of Troubled Times, Author: Ji Cha 2:"Spiritual Realm Walker", Author: Xiao Langjun 3: The Tang's Table, Author: Jie and 2 4."King of Familiars", Author: Light Spring Flowing Sound Fairy, Please Listen to My Explanation, Author: Mi Tian Building National Forensic Medicine, Author: Zhiniao Village 7:"Wait, Heroine." Author: Guan Guan Gongzi 8: Mantang Colorful, Author: Weird Cousin 9:"Hidden Dead Corner", Author: Get Lost Final Divine Duty, Author: Tuoba Goudan Beyond Time, Author: Er Gen This Game Is Too Real by Chen Xing LL Red Heart Sky Patrol, Author: What's the Matter? Ring of Destiny, Author: Squid Who Loves to Dive National Master of Ming Dynasty, Author: West Lake Encountered Rain Choose a Day to Ascend, Author: Otaku Pig 17:"Who's in Love After Rebirth?" Author: What's Wrong? Deep Sea Ember, Author: Yuantong Chapter 19: Cultivation in the Chaotic World of Demonic Martial Arts, Author: Wenplagiarism 20:"Who told him to cultivate!" Author: The Whitest Crow The following is a detailed introduction of these novels: 1."Book of Troubled Times": Ji Cha's new work, looking forward to it! 2."Spirit Realm Walker":"Spirit Realm Walker" was a fascinating novel. The author's writing style was excellent, and he had his own unique way of describing the characters and scenes. The theme of the story was very attractive. In addition to the author's pen strength and imagination, the plot was arranged very well. It was very worthy of a five-star rating. In the novel, the famous and elegant scholars of the past dynasties had different views on the concept of the spirit realm, and these views were vividly displayed in the novel. The entire story was filled with the legends of the Spirit Realm from ancient times to the present, making people unable to help but have endless fantasies and curiosity. The author's writing level and creativity were admirable, and people would never get tired of reading them. All in all,"Spiritual Walker" was a fascinating novel that was worth reading. 3.<<The Tang's Table>> The people of the world and the affairs of the world are just the dishes on the table of the Tang people. Although the original ingredients had the original flavor of food, Yun Chu still believed that the most delicious food still needed to be divided, cooked, and handled. The food that was finally served on the table was the food that most suited the stomach of the Tang people. Steaming, braising, stir-frying, stewing... There were many cooking methods in the kitchen. Whether it was Goguryeo, the Turks, Tubo, Tuyuhun, Xue Yantuo, Tiele…or even whales, tigers, sharks, and hungry wolves, the Great Tang was a furnace that could cook them all into peerless delicacies… In addition to Li Zhi, Wu Wei, Zhangsun Wuji, Chu Suiliang, Li Ji, Cheng Yaojin, and other peerless seasonings, there would always be one thing that you would never forget, regardless of color, fragrance, or taste. Yun Chu hoped that she would definitely have a seat at such a luxurious banquet! Now, the delicious food had been cooked. Yun Chu laid out the napkin, picked up the deer knife, and closed her eyes. She was ready to enjoy an unprecedented feast to satisfy her hungry stomach. 4."King of Familiars":"King of Familiars" is a very good novel. The author has attracted the readers 'attention with his unique creativity and wonderful plot. The beginning of the story was very fast, and the plot was also a little brain-burning. Reading it required one to use their brains. It was not a simple story, and it was suitable for readers with some reading experience. Overall, this book was very good. I recommend it to readers who like the familiar genre. The author's setting was very novel, and there were many fun points. It allowed people to read many chapters in one breath. Overall, I give this book a recommendation score of 8.7. I strongly recommend it to everyone. 5. Fairy, Please Listen to My Explanation: Fairy, Please Listen to My Explanation is a refreshing book about rebirth. Unlike other similar works, this book did not let the protagonist follow the original owner's plot completely. Instead, it gave him a certain degree of freedom, making the story more rich and interesting. The beginning of the story was not repulsive, but it gave people a novel feeling. Although the protagonist's entanglement with the princess in the later stages might be disgusting, he hoped that the author could control this issue and not let the princess ascend to the throne become the ending of the story. Overall, Fairy, Please Listen to My Explanation was a book worthy of recommendation, giving it a rating of 8.7. By depicting the villain, the author showed his philosophical thinking and brought a different reading experience to the readers. 6."National Forensics": It's a really good case solving story. From the first chapter onwards, the plot is especially compact. It feels very immersive when you read it. It's a rare good story. I recommend it to everyone. 7."Wait, Heroine": Emmmm. .... The male protagonist is talented and the characters are well portrayed. The male protagonist's pet bird is very interesting. 8."Mantang Colorful Colors":"Mantang Colorful Colors" was a work that traveled through the Tianbao period of Emperor Xuanzong. It cut into civil cases and portrayed the struggle between the Crown Prince and Li Linfu. This novel stood out among the time-travel novels in recent years. It was highly praised for its intricate plot design and its description of the shadow behind the Tang Dynasty. However, the relatively flat character and the female character's over-reliance on the male protagonist were its obvious flaws. Even so, the author still showed considerable talent in the aspects of character description, detailed description of the ecology of the prosperous Tang Dynasty, and plot design. Especially when the transmigrator's soul had entered the Great Tang, the intense opening had left a deep impression on everyone. He hoped that the author would be able to take his future works to the next level and amaze the readers even more. 9:"Hidden Dead Corner": Actually, there's no need to recommend it anymore. Anyway, Rollie's book is the type that those who love to read it will chase after it, and those who don't read it won't be able to continue reading it. After so many books, the bad habit of the late plot going berserk hasn't changed at all, but the early stages are really good. The ability of the interesting imagination hasn't declined either. So I put him up because I finally couldn't help but pull out the seedling and think it looked really good. Damn it, why did I have to look at it so early? In my heart, the most beautiful place for Rollie was the Magus World. She really liked the atmosphere that she created. 10 Final Divine Duty: 8.8 Adding points, it felt like rolling away. 11."Beyond Time": The ears have finally returned to the method of seeking the devil. The main character was decisive in killing and looked like me. This was the best point. This Game Is Too Real is an amazing novel. From a unique perspective, the author ingeniously integrated the elements of wasteland, virtual reality, players, farming, managers, civilizations, lords, and so on, creating a game world that made people immersed in it. The protagonist's experience made people feel sympathy and admiration. Not only did he have to deal with all kinds of difficulties, but he also had to shoulder many functions such as planning, customer service, and NPC. In this game, there were no fully automated missions and currency system. Players and other natives did not even speak the same language. This kind of close integration with real life made the novel more realistic and fascinating. It was easy to understand the Wasteland player's writings, which had a low threshold of reading and was very natural. In terms of creativity, the protagonist's experience of starting from scratch was eye-catching. The relationship side quest had not been developed yet, but he was looking forward to the subsequent development. The interaction between the protagonist and the players made people feel happy and expectant. In short, this novel gave people a very enjoyable reading experience, and they looked forward to the subsequent plot development. This was a very good sci-fi novel, worth reading! Red Heart Sky Patrol: Classic Xianxia I have a pure heart to survey the heavens! Book friends recommended. "Ring of Destiny": Combining some of the Long Night's writing style, the main character, Li Lumian, is a good seedling of the Hunter pathway. The first dungeon is a strange dream. The Tarot Club was spearheaded by a writer. Thirty years to the east of Serenzo River, thirty years to the west of Serenzo River. Saint Salted Fish was now a profound big shot. He gave it to Little Aca of the Tarot Noodle Club… Web novel shock bomb! The squid was here! The Lord of the Mysteries 'second volume, Ring of Fate, blew up! I, the former survivor of the curly-haired baboon, cheer for the squid 15."The Great Ming State Preceptor": A rare historical article. The author's foundation is solid. I won't give you the details, but the introduction of the book is very clear. One of them was the protagonist reincarnating nine lives in China. He knew that he would return to the modern world in his tenth life, so he was not afraid of death. As a snake hunter, Xu Ying had always been honest and diligent until this day when he caught a different snake... On the first day of the third month, incense was burning everywhere in the Divine Land. The statues that protected the villages, towns, cities, and counties woke up one after another to enjoy the sacrifices of the people. However, from that day onwards, the world was in chaos. 17:"Who's Going to Fall in Love After Rebirth": 8.3 points Why did he have to fall in love after his rebirth? Was it the cigarette or the wine? He had no woman in his heart, so he pulled out his knife naturally! "Deep Sea Ember" is an unforgettable novel. The author brought the readers into a wonderful world full of horror and humor with his unique punk style. The protagonist of the story, Captain Duncan, and his crew, as well as the various strange things they encountered, made people laugh. Under the pen of the big eye, the terrifying scene became funny, and the existence of Captain Duncan also gave the reader a sense of security. Whether it was scary or funny, the author grasped it just right, making people unable to stop. This book is highly recommended! Chapter 19:"Cultivate in the Demonic Martial Troubled Times": A plagiarist's new work. Everyone knows that the main character of his novel is a typical egoistic person. This novel is a little creative. Not only does it hide, but it also merges into many worlds. Now, it temporarily travels through two worlds. One is the world of cultivation that seems normal for the time being, and the other is the world of martial arts demons and ghosts. In the world of cultivation, it is very cautious. In the world of martial arts, it is a big wolf that spreads money everywhere. "Who told him to cultivate!" [Reward Index: ]️️️️ Immortal cultivation could lead the entire cultivation world astray. This was probably the strongest protagonist in history. If he didn't crush you in terms of cultivation, he would crush you in terms of morality. Anyway, he won. You can read these novels on Qidian Chinese Network.
What is the understanding and improvement of the accident reflection thought?
From the reflection of many accidents, he had the following understanding and improvement direction: ** 1. Awareness ** 1. ** The importance of safety awareness ** - Incidents were often caused by poor safety awareness. For example, in a power accident, the operator did not have a deep sense of safety and ignored the basic safety standards when working. In terms of traffic, the driver was speeding and did not realize that speeding would pose a huge threat to the safety of himself and others, which also indicated the lack of safety awareness. - Whether it was in the production of enterprises or in daily life, safety was the first priority. In enterprise management, safety should be regarded as a "heaven number" project, and it should be recognized that safety work was related to the lives of employees, the benefits and development of the enterprise, and many other aspects. 2. ** Attitudes towards rules and regulations ** - Many accidents occurred because of poor implementation of safety regulations and systems. In the power accident, various operations that violated safety regulations, such as non-working members participating in work, equipment names and numbers being wrong, showed disregard for the rules and regulations. This meant that rules and regulations must be recognized as an important line of defense to ensure safety and should not be violated at will. - Rules and regulations were formulated on the basis of a large amount of experience and scientific basis. Only by following the rules and regulations could dangerous operations be avoided and accidents be prevented. 3. ** The Harm of Chance ** - In production and life, the mentality of fluke was an important factor that led to accidents. For example, in the daily safety production management of the enterprise, there was a fluke mentality such as the idea of "no small matter when welcoming inspection", the management of the inspection, and the thought that the inspectors were looking for trouble. In terms of traffic, a driver speeding on a road with water may think that there is no danger. This kind of fluke mentality may eventually lead to a serious accident. ** 2. Enhancement ** 1. ** Strengthening safety awareness education ** - The company should strengthen the safety awareness education for employees, and through the development of accident analysis and discussion, safety training and other activities, let employees deeply understand the importance of safety work. For example, after a roof accident in a coal mine enterprise, it would organize a safety reflection meeting for all employees to find the root cause of the problem from various aspects. This kind of reflection activity with all employees participating would help to strengthen safety awareness. - In daily life, we should also strengthen the publicity and education of traffic safety, such as warning the public with traffic accident cases to raise public safety awareness. 2. ** In-depth study and strict implementation of rules and regulations ** - The employees of the enterprise must learn the safety regulations and systems thoroughly, and the managers must accurately convey and supervise the implementation. During work, operations must be carried out in strict accordance with rules and regulations. For example, electricity inspection and monitoring systems must be strictly implemented during power operation. The implementation of the system must be supervised and assessed to ensure that the system was implemented. - Revise the system regularly to make it more targeted, operational, and effective. For example, the company would revise the existing system according to the requirements of "waste to establish" to adapt to the actual work needs. 3. ** Overcome your fluke mentality ** - In business management, the concept of " strict is love, loose is harm " should be established. Whether it was daily work or welcoming inspections, they must maintain a rigorous attitude. In the daily production activities, we must persevere in the safety management work to avoid the phenomenon of management for a while. - In their daily lives, such as driving, they should strictly abide by the traffic rules. They should not be lucky enough to speed or change lanes. They should always keep in mind the serious consequences of violating the rules. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>
Which line is the Hangzhou subway Xucun station?
Xucun Station was a station on Hangzhou Line 1. While waiting for the TV series, you can also click on the link below to read the classic original work of "Dafeng Nightwatchman"!
Shanghai Gold Trading K Line
In the Shanghai gold market, the K-line chart was an important tool for investors to analyze and make decisions. The K-line chart was made up of candle-shaped lines. Each K-line contained key price information such as the opening price, closing price, high price, and low price. Common K-line patterns included the positive line (the closing price was higher than the opening price, which usually meant that the market was in a rising trend), the negative line (the closing price was lower than the opening price, indicating that the market might be in a downward trend), the cross (the opening price and the closing price were close, indicating that the market was balanced and might reverse), the hammer line (the lower shadow line was longer and the entity was smaller, which was the bottom reversal signal), and the engulfing pattern (the latter K-line completely contained the previous one, which was a strong reversal signal). By observing the chart over a period of time, different trends can be identified, such as an uptrend (showing a series of gradually rising high and low points), a downtrend (showing a gradually decreasing high and low point), and a sideways trend (the price fluctuates within a relatively narrow range). To aid in understanding, the following are some examples of K-line combinations and their meanings: - [Red Three Soldiers: Composed of three consecutive positive lines, and the entity is gradually enlarged, indicating the start of an upward trend.] - [Three crows: Three consecutive Yin lines. The entity gradually enlarged, representing the beginning of a downward trend.] - [Morning Star: Composed of a Yin line, a cross star, and a Yang line. It is the signal for the bottom to reverse.] - The Twilight Star: Opposite of the Morning Star, it is the signal for the top to turn. However, the K-line chart was not an absolutely accurate prediction tool. The market was affected by many factors, such as the global economic situation, political situation, monetary policy, and so on. Therefore, when investors use the K-line chart for analysis, they should combine other technical indicators (such as moving average, MCD, etc.) and fundamental analysis to improve the accuracy and reliability of investment decisions. The novel "Gilded Palm" is equally exciting. Everyone is welcome to click and read it!
How to get to Duoyun Bookstore from Shanghai Xinzhuang subway station?
Shanghai Xinzhuang subway station was located in Minhang District Shanghai City, while Duoyun Bookstore was a bookstore located in the new district of Shanghai City Pu Dong. If you want to go to Duoyun Bookstore from Shanghai Xinzhuang subway station, you can follow the following steps: 1. Take the subway: From Xinzhuang subway station, take subway line 1, pass 8 stations to Zhangjiang subway station in Pudong New District, then transfer to subway line 6, pass 3 stations to Shanghai City, and finally transfer to subway line 16 at Shanghai Stadium subway station, pass 2 stations to Duoyun Bookstore station. 2. Walk: Walk about 300 meters from Xinzhuang subway station to the south square of Xinzhuang subway station, take subway line 1, pass 8 stations to Zhangjiang subway station, then transfer to subway line 6, pass 3 stations to Shanghai City area, finally transfer to subway line 16 at Shanghai Stadium subway station, pass 2 stations to Duoyun bookstore station. 3. Other means of transportation: You can also take a bus or taxi to Duoyun Bookstore. For example, take the No. 930 bus to the central area of Shanghai after 12 stops or take a taxi from Xinzhuang subway station to Duoyun Bookstore. It will cost about 30 yuan. No matter which mode of transportation they chose, they had to walk or change to other means of transportation to the entrance of the bookstore after arriving at Duoyun Bookstore.
24-hour psychological consultation hot line in Shanghai
The psychological consultation hot line of "Xinxinyu" had been adjusted to 24 hours a day. Starting from February 5, the hot line began to answer calls 24 hours a day to provide psychological consultation services to the citizens of the city. During the epidemic, the demand for psychological consultation soared, so the hospital urgently recruited professionals to meet the growing demand for consultation. In addition, other psychological consultation hotlines had been opened in Wuhan City, such as the "Chegu Xinyu" psychological assistance hotlines in the economic development zone of the city. These hotlines were designed to help the public alleviate their psychological crisis and provide psychological consultation and guidance services.
Which subway line and station should I get off at?
Reflection on teaching plan of inclination angle and slope of a straight line
The following are some of the main points of teaching reflection on the angle of inclination and slope of a straight line: ** 1. Success ** 1. ** Introduction and transition of knowledge ** - When introducing the concept of inclination angle, it could be introduced by saying," Two points determine a straight line. After removing a point, countless straight lines can be made. The difference between these straight lines is the degree of inclination." This could naturally guide students to think about the concept of inclination angle. - It was reasonable to introduce the concept of straight line slope with the help of the concepts of slope angle, slope and the relationship between them learned in junior high school. It could help students transition from familiar knowledge to new knowledge. - From the idea of " two points determine a straight line, the straight line determines the inclination angle, and if the slope exists, the slope is also determined. Can the slope be calculated by any two points on the straight line?", he introduced the slope calculation formula, and set up exercises to let students discover the relationship on their own, which was helpful for the construction of knowledge. 2. ** Details ** - Pay attention to the connection between old and new knowledge, such as the concept of tilt angle and slope, and the knowledge learned before. - For a straight line with a slope of 90°, there was no such error-prone point. It could be understood by students from the essential point of view of the non-existence of the diagonal value, rather than simply a rule. When the slope exists, the relationship between the positive and negative of the slope and the range of the inclination angle is also analyzed in detail and displayed directly, which can deepen the students 'understanding of the concept. - The exercises were set according to the students 'cognitive rules, from special to ordinary, from shallow to deep. 3. ** Infiltrating the way of thinking ** - In the whole teaching process, through the combination of numbers and shapes, students can better understand the concept of inclination angle, slope and the situation where the slope does not exist when the inclination angle is 90°, so that the abstract concept becomes intuitive and easy to understand. 4. ** Overall control of the classroom ** - Focus on summary, interact with students, pay attention to students 'learning status, and help students consolidate their knowledge. - He was good at using multimedia-assisted teaching, and his teaching posture was natural and generous. His Mandarin was standard, and he could give students a good learning experience. ** 2. Inadequacies ** 1. ** Teaching experience ** - The lack of experience caused him to be too nervous in public classes or the first class, repeating the knowledge points too many times, and the time arrangement was unreasonable. For example, he spent too much time on " the existence of slope and the discussion of the positive and negative slope and the value range of the slope angle." This caused the deduction of the slope formula and the explanation of the examples to be insufficient, and even dragged on the class. Moreover, the content of the course was not finished, and the difficult points could not be highlighted and broken through. 2. ** In terms of students 'main body status ** - When emphasizing the key knowledge, the speed was too fast and the number of repetitions was too many, which did not give the students enough space to think and play. For example, in the discussion of the non-existence of the slope of a straight line with an inclination angle of 90°. - They did not pay enough attention to the individual students and did not take into account the learning needs of different students. 3. ** Introduction to class ** - Inappropriate classroom introductions would affect the teaching effect. For example, if the students simply introduced questions or paid too much attention to Descartes 'introduction method, if they did not combine the actual situation of the students with the overall grasp of the course content, it would make the students feel lost or not interested, and it might also lead to a smooth connection in the teaching process. <a href="/?from=ask_words" style="color:red" target="_blank">Read more exciting novels for free</a>