#Read the syllables as a whole#(I) [Teaching in Spanish] 10 Learned 2021-06-18 Teacher：ChinesePlus （Asia · China） Target audience：Child Difficulty：Complex Direction：Chinese Learning Upload time：2021/06/18 Subscribe 0 Boutique courses Change it #Elementary business Chinese# Lesson Five (I) "I want a Mapo Tofu" [Teaching in English] National Style Eulogizing: The Book of Songs · Wei Feng · Kao Pan Traditional craftsman Ni Qiaofeng and Chinese knots - intangible cultural heritage CIO Chinese painting course Draw together The creative process of landscape painting (II) Lesson 16 Loy Krathong festival in Thailand is extremely romantic! A foreigner speaks Chinese | What has the Chinese Bridge brought to the world in the past 15 years? - Chinese Bridge for College Students A foreigner speaks Chinese. My fiancé is Chinese A foreigner speaks Chinese. Wang Ji played an examiner and eliminated handsome boys ruthlessly without hesitation Comments Submit All comments You have no courses yet, please go to to find them.

#Initial consonant#Lesson Two (II) [Teaching in Spanish] 2 Learned 2021-06-18 Teacher：ChinesePlus （Asia · China） Target audience：Child Difficulty：Easy Direction：Chinese Learning Upload time：2021/06/18 Subscribe 0 Boutique courses Change it A foreigner speaks Chinese | What is known as the biggest periodic Great Migration in human history? - Chinese Bridge for College Students Dolphin Baby series lessons - Dudu Bear Learnt about the Time #Chinese character class# Lesson Three (I) [Teaching in Spanish] Word series: Interpret "period" #Baduanjin# Demonstration class [Teaching in Spanish] Compound finals San Simón Confucius Institute, Bolivia English version (I) Zhao Kun A wooden house doesn't need air conditioner or electric fan (architect Wang Hao) CIO Chinese painting course - Draw together Water painting of Chinese landscape painting Comments Submit All comments You have no courses yet, please go to to find them.

#Baduanjin# Lesson Two [Teaching in Spanish] 5 Learned 2021-06-18 Teacher：ChinesePlus （Asia · China） Target audience：Teacher Difficulty：Normal Direction：Chinese culture Upload time：2021/06/18 Subscribe 0 Boutique courses Change it CIO Chinese painting course Draw together Learning methods and skills of landscape painting (I) National Style Eulogizing: The Book of Songs · Qin Feng · Jian Jia Dolphin Baby series lessons - Avanti fights thief Happy Chinese - Lesson Fifteen Ye Weiyang Happy Chinese - Lesson Nineteen Zhang Xinsiyi Lesson 3 Arrival at the hotel. Dolphin Baby series lessons - Dream Money Pot A foreigner speaks Chinese | Giant pandas written by young foreigners - Chinese Bridge for Middle School Students Comments Submit All comments You have no courses yet, please go to to find them.

#Initial consonant#Lesson One (II) [Teaching in Spanish] 6 Learned 2021-06-18 Teacher：ChinesePlus （Asia · China） Target audience：Adult Difficulty：Easy Direction：Chinese Learning Upload time：2021/06/18 Subscribe 0 Boutique courses Change it A foreigner speaks Chinese | A cute baby loved by the whole world - Chinese Bridge for Middle School Students A foreigner speaks Chinese | Do you still remember the girls of Ali Mountain who are as beautiful as water? - Chinese Bridge for College Students Chinese basic sentence orders Happy Chinese - Lesson Sixteen Wang Lingyu Dolphin Baby series lessons - Big Cat and Little Mouse Dolphin Baby series lessons - Jiajia Climbed the Mountain Dolphin Baby series lessons - Secrets of the Hand Key word of Changsha (3) A Relaxed city Comments Submit All comments You have no courses yet, please go to to find them.

Recommended Cases Only Classification Chinese Culture Promotion Cross-culture Communication Chinese Language Teaching Teachers' Training Teaching Activites Pedagogy Chinese Linguistic Knowledge Classroom Management Second Language Aqquisition Others Region Asia Europe America Africa Oceania Unknown Publish Time 2025 2024 2023 2022 2021 Earlier × Second Language Aqquisition × total 3 cases ... 课文教学：北京的冬天比较冷 teacheradmin Asia Second Language Aqquisition 2023-06-12 1055 ... 课后练习：他的梦想是什么？ teacheradmin Asia Second Language Aqquisition 2023-06-12 704 ... 我和妈妈说中文 teacheradmin Asia Second Language Aqquisition 2023-06-09 620 Total 3 Cases  20 40 100 Per page |< < 1 > >| Total 1 Pages Message Board Requests Suggestions Complaints release Message has been sent successfully, we will reply as soon as possible within 48 hours! Help The title specification: 1. Accuracy: clearly describe the general outline of the article 2. Concise: the title should not be too long 3. Novelty: the title should be unique 4. Number of words: 4-40 Cases Release Specification: Content requirements： 1. Framework requirements A case should consist of five parts: background, theme, context, result, and analysis. Background: The case should explain the relevant circumstances of the story: time, location, characters, cause of the event, etc. Theme: The case must have a theme. It is recommended to start the case from the most rewarding and enlightening prospective, and then choose and establish the theme. Context: Go through all the original materials of the case and select the targeted content. Results: The case should explain the teaching ideas, describe the teaching process, and explain the teaching outcome, that is, the immediate effect of such teaching measures, including students' reflections and teachers' feelings. Comment and analysis: The author must have certain opinions and analysis on the topics and content reflected in the case, including the teaching methodology, process, results, and its pros and cons. 2. Content Requirements The Chinese national flag, national anthem, national emblem, map, etc., should be used correctly in all case materials. For map usage, please do refer to "Standard Map Service System"; Please avoid comparisons involving ideological issues and national values; Please avoid the following content: Content that shows ugly behaviors, vulgar languages, or horrifying scenes; content that destroys the ecological environment, hunts and kills indiscriminately, or abuses animals; content that insults, slanders, derogates, or spoofs others; content that is not supportive to the positive development of children, such as smoking, alcoholism, fighting, drug abuse, or gambling, etc.; content that violates personal privacy; content that infringes the intellectual property rights of others; other content prohibited by the laws and regulations of China and the country where the teaching is located; content that involves major natural disasters, accidents, terrorist incidents, wars and other disaster scenes; content of trademarks or advertisements involving commercial value; countries in the world and religious taboo content. Production requirements: Cases are divided into two types: text cases (text/pictures/charts, etc.) and multimedia cases (video/audio, etc.). 1. Text case There is no intellectual error or typo; all pictures used are clear and without copyright issues. 2. Multimedia case File format: the video resolution is not less than 1920×1080 pixels; the video bit rate is not less than 8Mbps; the audio sampling rate is 48kHz; the video format is mp4 or mov; a single file size is less than 2G. Image quality: The image should have good lighting conditions, low noise, reasonable white balance, aperture, exposure compensation and other parameters; the lens should be stable without jitter; the image should be filmed with horizontal screen with accurate focus; audio and video should be well synchronized; teachers should dress-up appropriately; no logo should be showed in the image; no obvious clipping error should be found. Sound quality: The background should be quiet without echo; the sound has no obvious distortion; the sound volume is stable with no obvious noise; the accompanying sound is clear, full, and mellow; there is no obvious proportion between the character dialogue and the live sound; there is no obvious dis-proportionality between the character dialogue and the background music. Cover specification: 1. The picture should be clear 2. The cover image must be consistent with the content 3. Comply with relevant laws and regulations 4. The cover image is completely displayed 5. The size of the cover image is not more than 5M The selection of high-quality cases must meet the following content standards: 1. Concise topic selection: The topic shall be conducive to teaching. The selected topic should be closely linked to the syllabus, focusing on a certain knowledge point, Teaching Activities, cultural activities, etc.. The topic selection should be brief and clear. 2. Typical topic selection: the topic should be positioned accurately with features. The case should be designed around common, typical, and representative problems or content in daily teaching or learning. The case should effectively explain key language points, and solve difficult problems as well as doubts in teaching and learning practice. 3. Correct on knowledge: the knowledge points and grammatical points in the case are rigorously described; the text, symbols, units and formulas are in line with national standards and publication specifications; the work is free of copyright infringement and is not oriented to sensitive content; the national flag, national anthem, and national emblem are correctly used according to relevant regulations. Regarding to any map usage, please refer to "Standard Map Service System http://bzdt.ch.mnr.gov.cn". 4. Goal achievement: The case should be convenient for teachers to apply in teaching practice, with good versatility and strong interaction. It can effectively solve practical learning and teaching problems, efficiently achieve the teaching subjective, and support the development of learners' knowledge and ability. Video cases must also meet the following technical standards: 1. File format: the video resolution is not less than 1920×1080 pixels; the video bit rate is not less than 8Mbps; the audio sampling rate is 48kHz; the video format is mp4 or mov; a single file size is less than 2G. 2. Image quality: The image should have good lighting conditions, low noise,reasonable white balance, aperture, exposure compensation and other parameters; the lens should be stable without jitter; the image should be filmed with horizontal screen with accurate focus; audio and video should be well synchronized; teachers should dress-up appropriately; no logo should be showed in the image; no obvious clipping error should be found. 3. Sound quality: The background should be quiet without echo; the sound has no obvious distortion; the sound volume is stable with no obvious noise; the accompanying sound is clear, full, and mellow; there is no obvious proportion between the character dialogue and the live sound; there is no obvious dis-proportionality between the character dialogue and the background music. Exquisite Case Evaluation Criteria The selection of high-quality cases must meet the following content standards: 1. Concise topic selection: The topic shall be conducive to teaching. The selected topic should be closely linked to the syllabus, focusing on a certain knowledge point, Teaching Activities, cultural activities, etc.. The topic selection should be brief and clear. 2. Typical topic selection: the topic should be positioned accurately with features. The case should be designed around common, typical, and representative problems or content in daily teaching or learning. The case should effectively explain key language points, and solve difficult problems as well as doubts in teaching and learning practice. 3. Correct on knowledge: the knowledge points and grammatical points in the case are rigorously described; the text, symbols, units and formulas are in line with national standards and publication specifications; the work is free of copyright infringement and is not oriented to sensitive content; the national flag, national anthem, and national emblem are correctly used according to relevant regulations. Regarding to any map usage, please refer to "Standard Map Service System http://bzdt.ch.mnr.gov.cn". 4. Goal achievement: The case should be convenient for teachers to apply in teaching practice, with good versatility and strong interaction. It can effectively solve practical learning and teaching problems, efficiently achieve the teaching subjective, and support the development of learners' knowledge and ability. Video cases must also meet the following technical standards: 1. File format: the video resolution is not less than 1920×1080 pixels; the video bit rate is not less than 8Mbps; the audio sampling rate is 48kHz; the video format is mp4 or mov; a single file size is less than 2G. 2. Image quality: The image should have good lighting conditions, low noise,reasonable white balance, aperture, exposure compensation and other parameters; the lens should be stable without jitter; the image should be filmed with horizontal screen with accurate focus; audio and video should be well synchronized; teachers should dress-up appropriately; no logo should be showed in the image; no obvious clipping error should be found. 3. Sound quality: The background should be quiet without echo; the sound has no obvious distortion; the sound volume is stable with no obvious noise; the accompanying sound is clear, full, and mellow; there is no obvious proportion between the character dialogue and the live sound; there is no obvious dis-proportionality between the character dialogue and the background music. Agree Disagree

Recommended Cases Only Classification Chinese Culture Promotion Cross-culture Communication Chinese Language Teaching Teachers' Training Teaching Activites Pedagogy Chinese Linguistic Knowledge Classroom Management Second Language Aqquisition Others Region Asia Europe America Africa Oceania Unknown Publish Time 2025 2024 2023 2022 2021 Earlier × Second Language Aqquisition × total 3 cases ... 课文教学：北京的冬天比较冷 teacheradmin Asia Second Language Aqquisition 2023-06-12 1587 ... 课后练习：他的梦想是什么？ teacheradmin Asia Second Language Aqquisition 2023-06-12 1026 ... 我和妈妈说中文 teacheradmin Asia Second Language Aqquisition 2023-06-09 921 Total 3 Cases  20 40 100 Per page |< < 1 > >| Total 1 Pages Message Board Requests Suggestions Complaints release Message has been sent successfully, we will reply as soon as possible within 48 hours! Help The title specification: 1. Accuracy: clearly describe the general outline of the article 2. Concise: the title should not be too long 3. Novelty: the title should be unique 4. Number of words: 4-40 Cases Release Specification: Content requirements： 1. Framework requirements A case should consist of five parts: background, theme, context, result, and analysis. Background: The case should explain the relevant circumstances of the story: time, location, characters, cause of the event, etc. Theme: The case must have a theme. It is recommended to start the case from the most rewarding and enlightening prospective, and then choose and establish the theme. Context: Go through all the original materials of the case and select the targeted content. Results: The case should explain the teaching ideas, describe the teaching process, and explain the teaching outcome, that is, the immediate effect of such teaching measures, including students' reflections and teachers' feelings. Comment and analysis: The author must have certain opinions and analysis on the topics and content reflected in the case, including the teaching methodology, process, results, and its pros and cons. 2. Content Requirements The Chinese national flag, national anthem, national emblem, map, etc., should be used correctly in all case materials. For map usage, please do refer to "Standard Map Service System"; Please avoid comparisons involving ideological issues and national values; Please avoid the following content: Content that shows ugly behaviors, vulgar languages, or horrifying scenes; content that destroys the ecological environment, hunts and kills indiscriminately, or abuses animals; content that insults, slanders, derogates, or spoofs others; content that is not supportive to the positive development of children, such as smoking, alcoholism, fighting, drug abuse, or gambling, etc.; content that violates personal privacy; content that infringes the intellectual property rights of others; other content prohibited by the laws and regulations of China and the country where the teaching is located; content that involves major natural disasters, accidents, terrorist incidents, wars and other disaster scenes; content of trademarks or advertisements involving commercial value; countries in the world and religious taboo content. Production requirements: Cases are divided into two types: text cases (text/pictures/charts, etc.) and multimedia cases (video/audio, etc.). 1. Text case There is no intellectual error or typo; all pictures used are clear and without copyright issues. 2. Multimedia case File format: the video resolution is not less than 1920×1080 pixels; the video bit rate is not less than 8Mbps; the audio sampling rate is 48kHz; the video format is mp4 or mov; a single file size is less than 2G. Image quality: The image should have good lighting conditions, low noise, reasonable white balance, aperture, exposure compensation and other parameters; the lens should be stable without jitter; the image should be filmed with horizontal screen with accurate focus; audio and video should be well synchronized; teachers should dress-up appropriately; no logo should be showed in the image; no obvious clipping error should be found. Sound quality: The background should be quiet without echo; the sound has no obvious distortion; the sound volume is stable with no obvious noise; the accompanying sound is clear, full, and mellow; there is no obvious proportion between the character dialogue and the live sound; there is no obvious dis-proportionality between the character dialogue and the background music. Cover specification: 1. The picture should be clear 2. The cover image must be consistent with the content 3. Comply with relevant laws and regulations 4. The cover image is completely displayed 5. The size of the cover image is not more than 5M The selection of high-quality cases must meet the following content standards: 1. Concise topic selection: The topic shall be conducive to teaching. The selected topic should be closely linked to the syllabus, focusing on a certain knowledge point, Teaching Activities, cultural activities, etc.. The topic selection should be brief and clear. 2. Typical topic selection: the topic should be positioned accurately with features. The case should be designed around common, typical, and representative problems or content in daily teaching or learning. The case should effectively explain key language points, and solve difficult problems as well as doubts in teaching and learning practice. 3. Correct on knowledge: the knowledge points and grammatical points in the case are rigorously described; the text, symbols, units and formulas are in line with national standards and publication specifications; the work is free of copyright infringement and is not oriented to sensitive content; the national flag, national anthem, and national emblem are correctly used according to relevant regulations. Regarding to any map usage, please refer to "Standard Map Service System http://bzdt.ch.mnr.gov.cn". 4. Goal achievement: The case should be convenient for teachers to apply in teaching practice, with good versatility and strong interaction. It can effectively solve practical learning and teaching problems, efficiently achieve the teaching subjective, and support the development of learners' knowledge and ability. Video cases must also meet the following technical standards: 1. File format: the video resolution is not less than 1920×1080 pixels; the video bit rate is not less than 8Mbps; the audio sampling rate is 48kHz; the video format is mp4 or mov; a single file size is less than 2G. 2. Image quality: The image should have good lighting conditions, low noise,reasonable white balance, aperture, exposure compensation and other parameters; the lens should be stable without jitter; the image should be filmed with horizontal screen with accurate focus; audio and video should be well synchronized; teachers should dress-up appropriately; no logo should be showed in the image; no obvious clipping error should be found. 3. Sound quality: The background should be quiet without echo; the sound has no obvious distortion; the sound volume is stable with no obvious noise; the accompanying sound is clear, full, and mellow; there is no obvious proportion between the character dialogue and the live sound; there is no obvious dis-proportionality between the character dialogue and the background music. Exquisite Case Evaluation Criteria The selection of high-quality cases must meet the following content standards: 1. Concise topic selection: The topic shall be conducive to teaching. The selected topic should be closely linked to the syllabus, focusing on a certain knowledge point, Teaching Activities, cultural activities, etc.. The topic selection should be brief and clear. 2. Typical topic selection: the topic should be positioned accurately with features. The case should be designed around common, typical, and representative problems or content in daily teaching or learning. The case should effectively explain key language points, and solve difficult problems as well as doubts in teaching and learning practice. 3. Correct on knowledge: the knowledge points and grammatical points in the case are rigorously described; the text, symbols, units and formulas are in line with national standards and publication specifications; the work is free of copyright infringement and is not oriented to sensitive content; the national flag, national anthem, and national emblem are correctly used according to relevant regulations. Regarding to any map usage, please refer to "Standard Map Service System http://bzdt.ch.mnr.gov.cn". 4. Goal achievement: The case should be convenient for teachers to apply in teaching practice, with good versatility and strong interaction. It can effectively solve practical learning and teaching problems, efficiently achieve the teaching subjective, and support the development of learners' knowledge and ability. Video cases must also meet the following technical standards: 1. File format: the video resolution is not less than 1920×1080 pixels; the video bit rate is not less than 8Mbps; the audio sampling rate is 48kHz; the video format is mp4 or mov; a single file size is less than 2G. 2. Image quality: The image should have good lighting conditions, low noise,reasonable white balance, aperture, exposure compensation and other parameters; the lens should be stable without jitter; the image should be filmed with horizontal screen with accurate focus; audio and video should be well synchronized; teachers should dress-up appropriately; no logo should be showed in the image; no obvious clipping error should be found. 3. Sound quality: The background should be quiet without echo; the sound has no obvious distortion; the sound volume is stable with no obvious noise; the accompanying sound is clear, full, and mellow; there is no obvious proportion between the character dialogue and the live sound; there is no obvious dis-proportionality between the character dialogue and the background music. Agree Disagree

#Read the syllables as a whole#(II) [Teaching in Spanish] 5 Learned 2021-06-18 Teacher：ChinesePlus （Asia · China） Target audience：Teacher Difficulty：Easy Direction：Chinese culture Upload time：2021/06/18 Subscribe 1 Boutique courses Change it Dolphin Baby series lessons - Wonderful Grain A foreigner speaks Chinese | The Yunnan mountain village love between a Beijing girl and a Dutch guy - Chinese Bridge for Middle School Students #Chinese character class# Lesson Two (II) [Teaching in Spanish] Small class of Thai Session II - First class Gao Peng, curator of Today Art Museum - art Hear old Beijing (sound collector Qin Siyuan) Dolphin Baby series lessons - Pharmacists A foreigner speaks Chinese | Do you know who invented Chinese chess? - Chinese Bridge for College Students Comments Submit All comments You have no courses yet, please go to to find them.

#Initial consonant#Lesson Two (I) [Teaching in English] 28 Learned 2021-06-18 Teacher：ChinesePlus （Asia · China） Target audience：Adult Difficulty：Complex Direction：Chinese Learning Upload time：2021/06/18 Subscribe 2 Boutique courses Change it Dolphin Baby series lessons - Wonderful Fruit #Chinese character class# Lesson Three [Teaching in English] A foreigner speaks Chinese | Mauritian little player's star dream - Chinese Bridge for Middle School Students A foreigner speaks Chinese | Watching martial arts performances on campus was dizzying - Chinese Bridge for Middle School Students A foreigner speaks Chinese | The first time I came to China, I climbed the Great Wall - Chinese Bridge for Middle School Students A foreigner speaks Chinese | Which is the most popular "Internet celebrity" among the Internet slangs in 2016? - Chinese Bridge for College Students A foreigner speaks Chinese. Who are the eight handsome boys preparing dinner for by the Erhai Lake? A foreigner speaks Chinese | Kinship of Chinese which makes foreigners completely confused - Chinese Bridge for College Students Comments Submit All comments You have no courses yet, please go to to find them.

#Initial consonant#Lesson One (I) [Teaching in English] 39 Learned 2021-06-18 Teacher：ChinesePlus （Asia · China） Target audience：Child Difficulty：Easy Direction：Chinese Learning Upload time：2021/06/18 Subscribe 3 Boutique courses Change it Compound finals San Simón Confucius Institute, Bolivia English version (II) Zhao Kun A foreigner speaks Chinese | A foreign boy interpreted the allusion "Speak of Cao Cao and he will appear ~" - Chinese Bridge for College Students Introduction to Chinese for those with no knowledge - hello (II) Phuket Confucius Institute, Thailand Sun Yidan A foreigner speaks Chinese | Chinese Bridge became the Magpie Bridge, and two cute young ones sang a song - Chinese Bridge for College Students Wang Dahu, a lacquer coating artist - art #Elementary business Chinese# Lesson Five (I) "I want a Mapo Tofu" [Teaching in English] Introduction to Chinese for those with no knowledge - date (II) Phuket Confucius Institute, Thailand Ma Lijuan Word series: Interpret "minute" Comments Submit All comments You have no courses yet, please go to to find them.

Recommended Cases Only Classification Chinese Culture Promotion Cross-culture Communication Chinese Language Teaching Teachers' Training Teaching Activites Pedagogy Chinese Linguistic Knowledge Classroom Management Second Language Aqquisition Others Region Asia Europe America Africa Oceania Unknown Publish Time 2025 2024 2023 2022 2021 Earlier × Teaching Activites× Total0Cases Loading... ... Message Board Requests Suggestions Complaints release Message has been sent successfully, we will reply as soon as possible within 48 hours! Help The title specification: 1. Accuracy: clearly describe the general outline of the article 2. Concise: the title should not be too long 3. Novelty: the title should be unique 4. Number of words: 4-40 Cases Release Specification: Content requirements： 1. Framework requirements A case should consist of five parts: background, theme, context, result, and analysis. Background: The case should explain the relevant circumstances of the story: time, location, characters, cause of the event, etc. Theme: The case must have a theme. It is recommended to start the case from the most rewarding and enlightening prospective, and then choose and establish the theme. Context: Go through all the original materials of the case and select the targeted content. Results: The case should explain the teaching ideas, describe the teaching process, and explain the teaching outcome, that is, the immediate effect of such teaching measures, including students' reflections and teachers' feelings. Comment and analysis: The author must have certain opinions and analysis on the topics and content reflected in the case, including the teaching methodology, process, results, and its pros and cons. 2. Content Requirements The Chinese national flag, national anthem, national emblem, map, etc., should be used correctly in all case materials. For map usage, please do refer to "Standard Map Service System"; Please avoid comparisons involving ideological issues and national values; Please avoid the following content: Content that shows ugly behaviors, vulgar languages, or horrifying scenes; content that destroys the ecological environment, hunts and kills indiscriminately, or abuses animals; content that insults, slanders, derogates, or spoofs others; content that is not supportive to the positive development of children, such as smoking, alcoholism, fighting, drug abuse, or gambling, etc.; content that violates personal privacy; content that infringes the intellectual property rights of others; other content prohibited by the laws and regulations of China and the country where the teaching is located; content that involves major natural disasters, accidents, terrorist incidents, wars and other disaster scenes; content of trademarks or advertisements involving commercial value; countries in the world and religious taboo content. Production requirements: Cases are divided into two types: text cases (text/pictures/charts, etc.) and multimedia cases (video/audio, etc.). 1. Text case There is no intellectual error or typo; all pictures used are clear and without copyright issues. 2. Multimedia case File format: the video resolution is not less than 1920×1080 pixels; the video bit rate is not less than 8Mbps; the audio sampling rate is 48kHz; the video format is mp4 or mov; a single file size is less than 2G. Image quality: The image should have good lighting conditions, low noise, reasonable white balance, aperture, exposure compensation and other parameters; the lens should be stable without jitter; the image should be filmed with horizontal screen with accurate focus; audio and video should be well synchronized; teachers should dress-up appropriately; no logo should be showed in the image; no obvious clipping error should be found. Sound quality: The background should be quiet without echo; the sound has no obvious distortion; the sound volume is stable with no obvious noise; the accompanying sound is clear, full, and mellow; there is no obvious proportion between the character dialogue and the live sound; there is no obvious dis-proportionality between the character dialogue and the background music. Cover specification: 1. The picture should be clear 2. The cover image must be consistent with the content 3. Comply with relevant laws and regulations 4. The cover image is completely displayed 5. The size of the cover image is not more than 5M The selection of high-quality cases must meet the following content standards: 1. Concise topic selection: The topic shall be conducive to teaching. The selected topic should be closely linked to the syllabus, focusing on a certain knowledge point, Teaching Activities, cultural activities, etc.. The topic selection should be brief and clear. 2. Typical topic selection: the topic should be positioned accurately with features. The case should be designed around common, typical, and representative problems or content in daily teaching or learning. The case should effectively explain key language points, and solve difficult problems as well as doubts in teaching and learning practice. 3. Correct on knowledge: the knowledge points and grammatical points in the case are rigorously described; the text, symbols, units and formulas are in line with national standards and publication specifications; the work is free of copyright infringement and is not oriented to sensitive content; the national flag, national anthem, and national emblem are correctly used according to relevant regulations. Regarding to any map usage, please refer to "Standard Map Service System http://bzdt.ch.mnr.gov.cn". 4. Goal achievement: The case should be convenient for teachers to apply in teaching practice, with good versatility and strong interaction. It can effectively solve practical learning and teaching problems, efficiently achieve the teaching subjective, and support the development of learners' knowledge and ability. Video cases must also meet the following technical standards: 1. File format: the video resolution is not less than 1920×1080 pixels; the video bit rate is not less than 8Mbps; the audio sampling rate is 48kHz; the video format is mp4 or mov; a single file size is less than 2G. 2. Image quality: The image should have good lighting conditions, low noise,reasonable white balance, aperture, exposure compensation and other parameters; the lens should be stable without jitter; the image should be filmed with horizontal screen with accurate focus; audio and video should be well synchronized; teachers should dress-up appropriately; no logo should be showed in the image; no obvious clipping error should be found. 3. Sound quality: The background should be quiet without echo; the sound has no obvious distortion; the sound volume is stable with no obvious noise; the accompanying sound is clear, full, and mellow; there is no obvious proportion between the character dialogue and the live sound; there is no obvious dis-proportionality between the character dialogue and the background music. Exquisite Case Evaluation Criteria The selection of high-quality cases must meet the following content standards: 1. Concise topic selection: The topic shall be conducive to teaching. The selected topic should be closely linked to the syllabus, focusing on a certain knowledge point, Teaching Activities, cultural activities, etc.. The topic selection should be brief and clear. 2. Typical topic selection: the topic should be positioned accurately with features. The case should be designed around common, typical, and representative problems or content in daily teaching or learning. The case should effectively explain key language points, and solve difficult problems as well as doubts in teaching and learning practice. 3. Correct on knowledge: the knowledge points and grammatical points in the case are rigorously described; the text, symbols, units and formulas are in line with national standards and publication specifications; the work is free of copyright infringement and is not oriented to sensitive content; the national flag, national anthem, and national emblem are correctly used according to relevant regulations. Regarding to any map usage, please refer to "Standard Map Service System http://bzdt.ch.mnr.gov.cn". 4. Goal achievement: The case should be convenient for teachers to apply in teaching practice, with good versatility and strong interaction. It can effectively solve practical learning and teaching problems, efficiently achieve the teaching subjective, and support the development of learners' knowledge and ability. Video cases must also meet the following technical standards: 1. File format: the video resolution is not less than 1920×1080 pixels; the video bit rate is not less than 8Mbps; the audio sampling rate is 48kHz; the video format is mp4 or mov; a single file size is less than 2G. 2. Image quality: The image should have good lighting conditions, low noise,reasonable white balance, aperture, exposure compensation and other parameters; the lens should be stable without jitter; the image should be filmed with horizontal screen with accurate focus; audio and video should be well synchronized; teachers should dress-up appropriately; no logo should be showed in the image; no obvious clipping error should be found. 3. Sound quality: The background should be quiet without echo; the sound has no obvious distortion; the sound volume is stable with no obvious noise; the accompanying sound is clear, full, and mellow; there is no obvious proportion between the character dialogue and the live sound; there is no obvious dis-proportionality between the character dialogue and the background music. Agree Disagree