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人教版高中政治必修4意識的作用說課稿（一）
1、課題引入：我設計以提問哲學到底是什么？的問題激發(fā)學生的閱讀興趣。我設計典型事例，通過學生討論，教師總結的形式，并得出其實哲學就在我們身邊。2、講授新課：（35分鐘）通過教材第一目的講解，讓學生明白，生活和學習中有許多蘊涵哲學道理的故事，表明哲學并不神秘總結并過渡：生活也離不開哲學，哲學可以是我正確看待自然、人生、和社會的發(fā)展，從而指導人們正確的認識和改造世界。整個過程將伴隨著多媒體影像資料和生生對話討論以提高學生的積極性。3、課堂反饋，知識遷移。最后對本科課進行小結，鞏固重點難點，將本課的哲學知識遷移到與生活相關的例子，實現對知識的升華以及學生的再次創(chuàng)新；可使學生更深刻地理解重點和難點，為下一框學習做好準備。
高中歷史人教版必修一《第22課祖國統(tǒng)一大業(yè)》說課稿
1、教材分析 本課選自普通高中課程標準實驗教材，人民教育出版社歷史必修（1），第六單元：現代中國的政治建設與祖國統(tǒng)一，第22課——祖國統(tǒng)一大業(yè)。祖國統(tǒng)一始終是中國人民的共同夙愿。本課內容主要敘述了“一國兩制”的偉大構想，為完成祖國統(tǒng)一大業(yè)提出了一個創(chuàng)造性的指導方針。香港、澳門的回歸，是“一國兩制” 偉大構想的成功實踐。在“一國兩制”方針指導下，海峽兩岸實現了一次歷史性的突破。揭示了“一國兩制” 的構想，對推動完成祖國完全統(tǒng)一大業(yè)，實現中華民族偉大復興具有現實指導意義。 2、學情分析通過調查知道，學生對本節(jié)的基本史實有一定了解。但是，高一新生習慣于知識的記憶和教師的講解，不能深入分析歷史現象的內涵和外延；不能進一步探究事物的因果關系和理解事物的本質；并且需要進一步拓展思維的廣度和深度，實現從一維目標到三維目標的飛躍。
人教版高中政治必修4用對立統(tǒng)一的觀點看問題說課稿（一）
1、課題引入：11月16日9時40分許,甘肅慶陽市正寧縣榆林子鎮(zhèn)發(fā)生一起重大交通事故，“校車安全”又一次甚囂塵上，我設計提問“校車安全事故然表面是偶然，但又是一種必然，你認為事件的原因何在？”的問題激發(fā)學生的閱讀興趣。我設計典型事例，通過學生討論，教師總結的形式，并得出主次矛盾辯證關系的原理分析。2、具體分析事件背后的原因，從原因中發(fā)現，這眾多的原因矛盾中，都有主次方面之分，由于得出矛盾的主次方面原理。3、從原因中，尋找對策，既堅持重點論與兩點論的結合。反對一點論和均衡論。4、無獨有偶，在2011年在湖南，海南，廣西等地均有類似的事件發(fā)生。對比各地事故背后的原因，得出應具體問題具體分析。進而分析具體問題具體分析的意義及地位。
人教版高中政治必修4關于世界觀的學說說課稿（一）
3、課堂小結，強化認識。（2—3分鐘）通過總結本課的知識，簡單的用三個概念三個關系，簡明扼要的總結出本節(jié)課的知識，突出本框題的重難點。其中重點給學生梳理一下哲學的含義，使學生在學習的最后對于哲學有一個全面而準確的理解，強化學生對于哲學的認識。4、課堂練習針對高中學生初步接觸哲學，運用哲學思維來分析哲學問題的能力還需要今后的培養(yǎng)，我進行了分層的方式來設計習題，這樣設計一方面符合學生認知的能力，由簡單到困難，一步步的深入，另一方面，在練習的過程中，也可以使學生鞏固基礎知識，使學有余力的學生繼續(xù)提高，充分考慮到學生的實際情況。5、板書設計為了強化教學效果，我會在授課的過程中適時的書寫板書，我的板書設計總的來說是以簡潔明了的形式展示，便于學生一目了然的把握本節(jié)課的重難點，也可以建立知識間的聯系，便于學生形成完整的知識體系。
人教版高中生物必修3第二章第一節(jié)《通過神經系統(tǒng)的調節(jié)》說課稿
3、總結(這部分要5分鐘)學生在教師的提示和問題的引導下，完成對本節(jié)課的知識的歸納和小結。利用簡煉、清晰的語言，再一次的突出本節(jié)課的重點，起到畫龍點睛的作用，培養(yǎng)了學生的表達能力。4、鞏固練習(這部分要10分鐘)用大屏幕投影把題目投影在屏幕上，讓學生思考，然后回答。這部分安排10分鐘的時間，讓學生思考完成具有針對性的練習，進行知識鞏固和教學效果反饋，及時糾正錯誤的理解和片面的認識。5、板書設計在板書中,我根據板書的“規(guī)范、工整和美觀”的要求，結合所學的內容，設計了如圖所示的板書。在其中，注重了重、難點的突出，使學生對知識的結構、層次、重點、難點一目了然，便于記憶和理解。四、效果分析對于反射的判斷，學生仍有可能出現錯誤，如刺激坐骨神經肌肉的收縮，教師應強調沒有完整的反射弧結構參與的不是反射。
人教版高中生物必修3第五章第一節(jié)《生態(tài)系統(tǒng)的結構》說課稿
5、歸納小結，當堂演練（10分鐘）1、肉食動物不可能是一條食物鏈中的第幾營養(yǎng)級（）A．第五B．第二C．第三D．第四2、對水稻→鼠→蛇→鷹這條食物鏈的錯誤描述是（）A.水稻是生產者B.鼠是初級消費者C.蛇是次級消費者D.鷹屬于第三營養(yǎng)級3、在下列生物中，屬于分解的是（）A.藍藻B.草履蟲C.蘑菇D.蝗蟲4、從生態(tài)系統(tǒng)的組成成分看，硝化細菌和蚯蚓屬于（）A.生產者和分解者B.生產者和消費者C.消費者和分解者D.分解者和消費者5、下列哪組生物可和無機環(huán)境組成一個生態(tài)系統(tǒng)（）A．水藻、鳥B．小魚、大魚C．小草、昆蟲、細菌D．水藻、蝦6、對草→昆蟲→食蟲鳥→鷹這條食物鏈的敘述,正確的是（）A．有四個營養(yǎng)級，兩個次級消費者B．有三個營養(yǎng)級，一個生產者C．食蟲鳥是第三營養(yǎng)級、次級消費者D．有三個營養(yǎng)級，三個消費者（設計意圖）進行簡單扼要的課堂小結與練習，可以把課堂傳授的知識盡快地轉化為學生的素質；也可使學生更深刻地理解理論在實際生活中的應用。
人教版新課標高中物理必修1用牛頓運動定律解決問題（一）說課稿
六、教學程序設計（“一三五”模式）為了完成這節(jié)課的教學目標，我是這樣安排的：第一環(huán)節(jié)： （約10分鐘）根據對自主探究案的批閱情況，解決學生的遺留問題具體實施：投影學生的自主探究案，讓學生交流討論，教師點評。第二環(huán)節(jié)： （ 約30分鐘）新課學習：在“課堂互動案”的導學提綱引領下，完成這節(jié)課的三維教學目標。具體實施：多媒體輔助教學、交流討論。第三環(huán)節(jié)： （約5分鐘）課堂小結和布置作業(yè)：為了體現課程改革的新理念——學生是學習的主人，我改變傳統(tǒng)的教師總結為學生總結的模式，既強化了學生所學的知識，又培養(yǎng)了學生的歸納和概括能力。作業(yè)分為兩部分：（1）書面作業(yè)p85，1、2、3、4。（2）完成“應用提升案”。七、板書設計由于多媒體在物理教學中僅是一種輔助手段，不能完全取代黑板，因此一節(jié)課的主要內容和學生的必要參與還需要借助黑板來幫助。我在這節(jié)課的板書設計中突出了主要內容，簡潔明了。
人教版高中政治必修4人的認識從何而來說課稿（一）
展示學習過的物理學內容：伽利略的“比薩斜塔”實驗，證明了：兩個鐵球同時落地。得出結論：實踐是檢驗認識正確與否的唯一標準。（因為這點理解起來有點難，所一教師要適當的講解）A、一種認識是否是真理不能由這一認識本身回答B(yǎng)、客觀事物自身也不能回答認識是否正確地反映了它C、實踐是聯系主觀與客觀的橋梁。人們把認識和實踐的結果對照,相符合,認識就正確?！?實踐是認識的目的和歸宿：走進社會：（課本P46歸國博士案例）從這個故事中我們可以得到什么啟示？得出結論：實踐是認識的歸宿和目的。啟發(fā)學生學以致用，eg：紀中的學生研究地溝油簡易檢測方法（靈活利用身邊的教學資源）?！景鍟O計】實踐是認識的基礎（板書）投影：逐步展示本課知識結構圖。學生通過回憶，讓學生有直觀的認識，學習內容一目了然。1．實踐是認識的來源。2．實踐是認識發(fā)展的動力。3．實踐是檢驗認識的真理性的唯一標準。
人教版高中政治必修4世界是永恒發(fā)展的說課稿（一）
5．課堂練習，夯實基礎。得出原理方法論之后，給學生一分鐘時間記憶，然后一名或幾名學生上講臺默寫，其他同學相互提問。針對這一基本概念，設置一道選擇題。6、播放黃宏、宋丹丹小品《回家》片段，引發(fā)學生的興趣，接著教師展示幾幅關于手機的圖片，然后讓學生結合圖片，進行討論交流解決“合作探究二”，然后進行搶答（可以引發(fā)學生的競爭，從而調動課堂氣氛）。教師在學生回答基礎上，引導學生得出發(fā)展的實質這一結論，接著教師展示“如何判斷一個事物是新事物還是舊事物的標準”，結合這一標準，讓學生判斷“電腦科技算命是不是新事物”，學生很容易就可以得出結論。7.教師簡單總結剛剛學過的內容，引出“運動、變化是不是發(fā)展？”然后讓學生討論交流“合作探究三”。然后進行搶答，教師在學生回答基礎上，稍加點評，給予積極地評價，然后展示答案。8.教師引導學生得出本節(jié)課的第二個原理與方法論，并讓學生當堂記憶，可以簡單提問。然后做課堂達標題，在學生展示答案后，教師簡單點撥即可。
人教版高中英語必修1Anne's best friend說課稿
Step 7 Language points 1．Vocabulary (1) go through (2) set down (3) a series of (4) on purpose (5) in order to (6)at dusk (7)entirely (8)face to face 2．Important sentences (1)…I’ve grown so crazy about everything to do with nature. (2)There was a time when … (3)I stayed awake on purpose until … (4)It was the first time … that I’d seen the night … (5)It’s no pleasure looking through … Purpose: 1．Master the required vocabulary and sentence structures. 2．Use them freely. Step 8 Consolidation 1．Find out the topic sentences 2．Retell the text according to the topic sentences Purpose: I want to know if my students understand the text. Step 9 Discussion Imagine you have to go into hiding like Anne and her family, what would you miss most? Giveyour reasons. Purpose: Train Ss’ oral English ability. Step 10 Homework Write an article on Friends. Purpose: 1． Improve the Ss’ writing ability. 2 Train the Ss’ ability of self—teaching and looking up information by themselves. Part 5 Blackboard design（說板書設計）Unit 1 Friendship Reading Anne’s Best Friend 1．Main idea of each paragraph: Para. 1 Anne made her diary her best friend. Para .2 Anne wrote her feelings in her diary. Para .3 Anne missed nature. Para.4 Anne saw the night face to face Para.5 Anne wanted to experience nature outdoors. 2．Listening: Exx.1 P3 3．Discussion: Exx.3 P3 Purpose: 1．Make Ss familiar with the passage 2．Make the design inductive, instructive and artistic.
人教版高中英語必修1English around the world說課稿
(3)v. 給：提出；展現，顯現present sb. with sth. ; present sth. to sb. 把. . 交給；頒發(fā)；授予present sth. (for sth. )/present sth. to sb. e. g. Om his birthday, his friends presented him a collection of stamps. 在他生日時，他的朋友們送給他一套郵票作為禮物。The sword was presented by the family to the museum. 這家人把寶劍捐贈給了博物館。The committee will present the final report to Parliament in June. 委員會將在六月向議會提交最后的報告。You need to present yourself better. 你需要更善于展現自己。It is essential that we present a united front. 至關重要的是我們要表現得更加團結。Step 4 ConsolidationT:Now that we have got a general idea of these words and phrases. Lets make up some sentences using them to master them. Suggested sentences:1. Your duties include typing letters and answering the telephone. 2. It is one of the greatest roles that she has played. 3. A large number of people have applied for the job. 4. The number of the panda is declining. 5. I'11 go there, even if I have to walk. 6. He came up to me to ask for a light. 7. The novel is about a family who can't communicate with each other. 8. He based his plan on interests of most people. 9. Why doesn't he make use of his singing talent?Step 5 Summary and homeworkT:Today we dealt with several new words and phrases. After class I hope that youcan read them again and again to keep them in mind. That's all for today. You aredismissed.
人教版高中英語必修1Nelson Mandela--A Modern Hero說課稿
In this step, give students a few minutes to read the passage . While they are reading, I will write some key words of the text on the blackboard. Then ask students to retell the passage according to the key words.By retelling, students can improve their ability of language organization and have an overall understanding of the article.Step 4 Group discussionIn this step, students will be divided into groups of 4 to discussion the following question: What qualities make a great person?After their discussion, invite a few groups to make a report to the class.This group discussion can practice students’ oral English and cultivate their abilities of cooperation and communication.Step 5. HomeworkLet students write a short passage to introduce a great person he or she admires.The homework can consolidate the knowledge the students have learned and cultivate their writing ability. Part 6 Blackboard Design（板書設計）That’s all my teaching procedures. Finally, I’d like to say sth about part 6 blackboard design. On the top is the title. On the left, there will be some new words and expressions. In the middle of the blackboard, I will write some useful sentence structures so that the students can know clearly what they’ve learned and then try to master the knowledge.OK. That’s all for my presentation. Thank you for your attention.
人教版高中英語必修2The Olympic Games說課稿2篇
Purpose of my design:To ask the students to do these two tasks will make the Ss predict the story of this passage. As a result, it will deepen Ss’ memory of this story because they will have their own understanding of this story.Step 3. While-readingTask 1. (Individual work _____min)Skimming: ask students to skim the text and the main ideas of each paragraph in this passage. Please read it quickly and then match the sentences with the letters.Task 2. (Individual work _____min)Scanning: read the text quickly and decide the whether the following statements are true or false and give reasons.Task 3. (Pair work _____min)Listen to the tape and fill in the banks. Then read the paragraph with expression to your partner.Task4 (individual work min)Listen to the tape again and write down the main idea in one sentence.Purpose of my design: Enable students to understand the given material better by using different reading skills. And proper competition can arouse the Ss’ interest in English learning. “Task-based” teaching method is used here todevelop the Ss’ ability of communication and also their ability of co-operation will be well trainedStep 4. Post-readingTask 1. (Individual work, pair work, group work, class work; _____min)Discussion (group of 4):1. If you were Hippomenes, would you run against Atlanta?2. Do you think Hippomenes deserved to win the race? Why or why not?Step 5. HomeworkPlease read the story again carefully after class and imagine: What will happen during the race between Hippomenes and Atlanta? Who do you think will win the race? Do you think Atlanta would marry Hippomenes? Write an end for the story with thses questions.Purpose of my design: Homework is so important and necessary for to master the knowledge they learned after class. It will check whether the Ss achieve the teaching aims.Part 5 Blackboard design
人教版高中英語必修3Astronomy the science of the stars說課稿3篇
Step 2 Pre-listeningAfter students finish their discussion, I will show a picture of Newton and ask them: Who is him? What is he famous for? Could you find out some words to describe him? Maybe students will answer that he is genius for his finding of theGravitation, making a great contribution to the progress of human being. At that time I will show another two pictures of Einstein and Hawking, letting students guess who they are and write down their idea about the Gravitation. For I have arranged them to search more information about the gravity before this class, Students have beenfamiliar with the topic and will not be afraid about this abstract conception, which is helpful for their listening.Step 3 While-listeningIn this step, students will be required to listen the material for three times. The first and listening is extensive listening and the second and third listening is intensive listening. In the first time, They are required to listen a material including Part 1 and Part 2 and choose the best summary of the listening text. After they choose the right answer, They also need work in group to explain what is wrong with the others. Then I will make a conclusion that we should pay attention to the first paragraph and last paragraph and some keys to get the main idea. By doing this, their capacity of generalization will have a great improvement.Before the second listening, I will ask students to scan the blank on the power point quickly and ask them to note down some key words .Then ask them to listen to the Part 1again and fill the first column of the chart. Maybe some students just show the ideas of these three scientists an still can’t catch their development of gravity. Therefore, I will ask them to listen to Part 2 again and fill in the rest. After finish the listening, I will give them ten minutes to discuss with their partner. I will also guidethem to improve their answers when they discuss with others.
人教版高中英語必修3Canada-the true north說課稿4篇
Good afternoon, teachers, It’s my great pleasure to be here sharing my lesson with you.The content of my lesson is Senior English Book 3 Unit 5 Canada —— “The true North”.I’ll be ready to begin this lesson from five parts. Analysis of the teaching material,the teaching methods,the studying methods, the teaching procedure,and Blackboard design.First, let me talk about the teaching material.Part 1 Teaching Material:This unit is about the introduction of Canada. By studying of this unit,we’ll enable the students to learn the geography, population, main cities, and natural beauty, natural resources of Canada. Through the training of the unit, it also requires students to learn some Language skills such as the expressions of position and emotions.So it plays an important part in the English teaching in this book.After studying the teaching material and analyzing the rule of children’s growing of mind,I think the teaching aims are the followings:1.Knowledge objects:(1) make the students learn some new words and phrases(2) make the students understand the content of the lesson.2.Ability objects:(1)To develop the Ss’ abilities of listening, speaking, reading and writing. Especially reading and speaking ability.(2) learn to talk about the characters of Canada in English(3)To train the Ss’ ability of working in pairs.3.Emotion objects:(1)Enable students to understand the characters of Canada..(2)Stimulate Ss to work hard to make China stronger.Part 2 Teaching Methods:I think helping students learn to master new words and phrases and improve the students’ reading and speaking ability is import and the difficult.According to the analysis of the teaching material and the import points and the difficult points,I will use the following teaching methods : question-guiding approach; fast-reading and careful reading; multi-media teaching methods; discussion
人教版高中英語必修4Women of achievement說課稿4篇
Good morning, distinguished judges:It’s my honor to talk about my teaching ideas with you. Today my topic is Women of Achievement. My presentation consists of six parts: the analysis of teaching material and student, teaching aims, key and difficult points, teaching and studying method, teaching procedures and blackboard design.First, let’s focus on the analysis of teaching material. This lesson is from New Senior English for China Student’s Book 4 Unit 1, the reading part. The main topic of the passage is the introduction of a student of Africanwildlife. After this lesson, the students will learn more information about her studying chimps in Africa, and their reading and speaking abilities can be developed as well.The next part is the analysis of students. My students are in senior high students. They have learnt English for many years, they’ve known many words and sentences, but their speaking and reading abilities are still not very good. So I will practice their speaking and reading abilities through different exercises.According to the New Standard Curriculum and the present situation, I set the teaching aims as follows: firstly, knowledge aims. Students can grasp some new words, such as worthwhile, move off. Moreover, students can understand the content of the passage and get familiar with the topic of studying chimps in wildlife. Secondly, ability aims. Students can use reading strategies such as skimming and scanning in reading process. Thirdly, emotional aims. Students can have the awareness of protecting animals and care about animals.Based on the above analysis, the key point of this lesson is to get the main idea and the detailed information from the passage; the difficult point is to talk about the wildlife protection and use reading strategies.
人教版高中英語必修3Healthy Eating說課稿4篇
Language learning needs a context, which can help the learners to understand the language and then can product comprehensible output, so computer has the advantages to make the materials attractive.Part 3 Learning MethodsTask-based, self-dependent and cooperative learningPart 4 Teaching ProcedureStep One Lead-in“Interest is the best teacher.” Therefore, at the very beginning of the class, I should spark the students’ mind to focus on the centre topic “the band”. I’ll show some pictures of food to attract their attention and then bring some questions.Question:What kind of food they like?What should go into a good meal?The answers must relate to the diet. After this, the students will be eager to know something about a balance diet and this is the very time to naturally lead the class into Step 2Step 2 Reading for information: skimming and scanning In this step, I use Task-based Language Teaching method, which can give students a clear and specific purpose while skimming and scanning the context.Task 1 General ideaThe students will be asked to just glance at the title and the pictures of the passage, and then guess what they will read in the text. And they’ll be divided into groups of four to have a discussion.The purpose is to inspire the students to read actively, not passively. In addition, the task is to develop the students’ reading skill by making prediction and to encourage the students to express their thoughts in English and cooperate with each other.Task 2 Main idea of each paragraphCooperative learning can raise the students’ interest and create an atmosphere of achievement. Based on this theory, I divide the whole class into 4 groups to skim the whole text and get the main idea of each paragraph.
人教版高中英語必修5Great scientists說課稿4篇
通過寫文章梗概，培養(yǎng)學生綜合運用語言的能力，學習用恰當的英語描述科學家的故事。這是本課的教學難點。教師可以使用完形填空的方式來幫助學生整理語篇，從而來降低難度。本課的教學重點的突破方法是：在閱讀前，讓學生初步了解得出科學觀點所需要的基本程序，從而輕松而自然地導入文章的閱讀；在閱讀過程中，由易到難設計快速閱讀和精讀的問題，層層推進各種閱讀活動，讓學生對閱讀內容從整體感知到細節(jié)理解，最后深層讀懂整篇文章，同時加強閱讀策略的指導，讓每個學生都主動參與課堂教學活動，最終達到提高閱讀能力的目的。Step 4 Post-readingGroup Activities四人小組共同合作，在老師的適當指導下，就以下2個問題展開討論，讓學生就所知、所學、所感和所想融入話題，然后抽若干同學代表作小組發(fā)言。1. What do you think about John Snow, and what should we learn from him?2. Cholera was 19th century disease, which two diseases are similar to cholera today? Why?
人教版高中英語必修5Life in the Future說課稿5篇
Good afternoon, everyone. It’s my great pleasure to be here sharing my lesson with you. The content of my lesson is Senior English for China Book5 Unit 3 Life in the Future. I’ll be ready to begin this lesson from six parts: Analysis of the teaching material, Analysis of the students, Teaching aims and important and difficult points, Teaching methods and aids, Teaching procedures, and Blackboard design. First, let me talk about the teaching material.Part 1 Analysis of the Teaching Material:This unit is about what human beings’ life will be like in about one thousand years. By studying of this unit, we’ll Enable the students to know the changes in humans’ life and some new inventions bringing about the change and develop the interest in science. This lesson plays an important part in the English teaching in this unit. This is an important lesson in Book Five. From this lesson, it starts asking the Ss to grasp contents of each passage. Therefore, this lesson is in the important position of the teaching material. If the Ss can learn it well, it will be helpful to make the Ss learn the rest of this unit.Part 2 Analysis of the SsAs Senior2 Ss, they are at different levels of English fluency, some of them have lost interest in English. So during the lesson, I arrange a variety of activities to let all of them join in to attract their interest and let them be confident and taste the joy of success.
人教版高中英語必修1Journey Down the Mekong說課稿
2. let the Ss complete the forms paragraph by paragraph. Purpose here is to help Ss to get the habit of reading a passage as a whole, and pay attention to the organization of the text, as a result the Ss will fully understand the whole passage.3. ask Ss to retell the passage with the help of the key words in the form.Since the Ss in the class are in different levels, so I let them to fill in the blank to understand the meaning of the words and phrases better. ( That’s all for the while-reading. Now let’s move to the fifth step.)Step V: Post-reading (10mins) ---DiscussionIn this part students are asked to discuss in groups and list Wang Kun’s and Wang Wei’s attitudes about the trip. After that, Ss are encouraged to express their attitudes with the whole class. Collect their answers and don’t forget to praise them even if their answers may not be perfect.In this activity, discussion provides a vivid and active learning environment for Ss to communicate in English with newly learned language items. (Finally it comes to the homework.)StepⅥ: Homework (1min)1. Ss are required to read the text again after class and figure out the meaning of some complex sentences.2. Do the exercises on P19; This can help Ss to consolidate what they’ve learnt and make preparation for the next lessonPart4. Blackboard design.（說板書設計）On the top, there is the title of this lesson. On the left, there are main ideas for each paragraph. On the right, there are some new words and expressions.Unit 3 Travel journalJourney down the MekongMain idea of each para.:Para1: deciding to take a great bike trip along the Mekong river.Para2: Different attitudes between Wang kun and Wang wei.
