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人教版高中政治必修3思想道德修养与科学文化修养说课稿
由此引导学生的深思，学生通过合作探究，帮助学生认识到不注重思想道德修养，即使掌握了丰富的科学知识，也难以避免人格上的缺失，甚至危害社会。进而总结出关系二：加强思想道德修养，能够促进科学文化修养。科学文化修养的意义播放感动中国人物徐本禹先进事迹短片。学生观看完视频后，思考：从徐本禹的事迹中，我们可以了解到我们加强科学文化修养的根本意义是什么？引导学生结合自身体会，发表各自见解，在此基础上帮助学生总结出，要使自己的思想道德境界不断升华，为人民服务的本领不断提高，成为一个真正有知识文化涵养的人，成为一个脱离低级趣味的人、有益于人民的人。知识点三：追求更高的思想道德目标根据教材110探究活动（思想道德的差异、反应人们世界观、人生观、价值观的差异）思考：用公民的基本道德规范来衡量这些观点，你赞成哪些观点？反对哪些观点？小组进行合作探究，引导学生根据公民基本道德规范对这些价值观进行评析。
人教版高中政治必修3思想道德修养与科学文化修养说课稿3篇
（3）改造主观世界同改造客观世界的关系。改造客观世界同改造主观世界，是相互联系、相互作用的。改造主观世界是为了更好地改造客观世界，人们在改造客观世界的同时也改造着自己的主观世界。通过自觉改造主观世界，又能提高改造客观世界的能力。师：人们对自己的思想道德境界的追求，是永远止境的。让我们共同努力，在践行社会主义思想道德的过程中，不断追求更高的目标，像无数先辈那样，加入到为共产主义远大理想而奋斗的行列中吧！课堂小结通过本节课学习使我们认识到面对现实生活中的思想道德冲突，加强知识文化修养和思想道德修养，不断追求更高的思想道德目标的必要性；把握了知识文化修养与思想道德修养的含义及其相互关系；明确了我们应该和怎样追求更高的思想道德目标；认识到这是一个永无止境的过程。我们要脚踏实地，从现在做起、从点滴小事做起，不断提高知识文化修养和思想道德修养，追求更高的思想道德目标。
空间向量基本定理教学设计人教A版高中数学选择性必修第一册
反思感悟用基底表示空间向量的解题策略1.空间中,任一向量都可以用一个基底表示,且只要基底确定,则表示形式是唯一的.2.用基底表示空间向量时,一般要结合图形,运用向量加法、减法的平行四边形法则、三角形法则,以及数乘向量的运算法则,逐步向基向量过渡,直至全部用基向量表示.3.在空间几何体中选择基底时,通常选取公共起点最集中的向量或关系最明确的向量作为基底,例如,在正方体、长方体、平行六面体、四面体中,一般选用从同一顶点出发的三条棱所对应的向量作为基底.例2.在棱长为2的正方体ABCD-A1B1C1D1中,E,F分别是DD1,BD的中点,点G在棱CD上,且CG=1/3 CD(1)证明:EF⊥B1C;(2)求EF与C1G所成角的余弦值.思路分析选择一个空间基底,将(EF) ?,(B_1 C) ?,(C_1 G) ?用基向量表示.(1)证明(EF) ?·(B_1 C) ?=0即可;(2)求(EF) ?与(C_1 G) ?夹角的余弦值即可.(1)证明:设(DA) ?=i,(DC) ?=j,(DD_1 ) ?=k,则{i,j,k}构成空间的一个正交基底.
人教版高中政治必修3弘扬中华民族精神说课稿
3、评：以评促行。（6分钟）高中生的年龄特点决定了他们非常重视别人对自己的评价，渴望得到他人的肯定与鼓励。（所以我在班上组织一个活动：让同学们评选出班上“讲文明懂礼貌的文明之星”、“勤思考善创新的学习之星”（先让同学推举大家都认同的4位同学，然后对他们进行投票，投票结果将在下堂课上公布）以此活动来激发同学们用实际行动做民族精神的践行者和传播者。）4、唱：以情激行。（2分钟）在课程内容讲授结完毕后，组织全班同学跟着音乐高唱孙楠的《红旗飘飘》，生化情感，激发同学们的爱国情感。五、课堂拓展（请同学们各展才华：课后让同学们各自准备一个项目以体现民族精神。（项目形式是：或作文、书画；或剪纸、或歌曲小品）……让同学们用实际行动祝愿我们伟大的祖国更加繁荣昌盛！让我们的民族精神代代相传！）
人教版高中政治必修2中国走和平发展道路说课稿
教师点评：根据小论文的写作情况对小论文给予肯定，同时指出其有待修改的地方。学生在写小论文的时候是根据教材中的提示来写的，所以对于教材中的这些提示，可以作一个说明。如“在发展的过程中，我们面对怎样的挑战和困难”，对于这点，学生可能会出现片面看问题的不足，一旦这种情况出现，我们就要及时进行说明：我们面临的挑战和困难既有来自国内的，也有来自国际的，引导学生学会用全面的观点分析问题。教师引导学生明确作为中学生可以从以下方面去作准备：第一，要有国家观念、民族意识，不断增强民族自豪感、自尊心和自信心；第二，关注国家大事；第三，自自觉履行维护国家统一和民族团结的义务，维护国家安全、荣誉和利益；第四，努力学好科学文化知识，提高自己的科学文化素质和思想道德素质，增强各个方面的能力，掌握振兴中华民族的本领，这也是中学生最需要做到的。通过探究活动，培养学生获取信息的能力，自主学习的能力以及全面看问题的能力，再结合教师的讲授，给学生一种茅塞顿开的感觉。
人教版高中政治必修3文化在继承中发展说课稿2篇
2、学生分析 九十年代初期出生的孩子，生活在一个充满活力的时代，张扬个性成为他（她）们的主旋律。面对这一时代的学生，沟通需要用心、用技巧，那也是一门艺术。高中学生的心理日趋成熟,有一定的知识积累,且比较丰富;语言逻辑性强,有较强的参与意识,求知欲望及表现欲望。学生主体参与的充分，表现在其主动性，积极性得到极大的调动。这与教师的主导作用是分不开的。本课教案就是要引导学生自己先阅读书本、独立思考、激发学生思维，引导学生各抒己见，让学生自己得出解答问题的结论，不追求答案的唯一。充分体现了读书是一种个体行为，每个学生有不同的体验。教师应跳出教案的问题模式，和学生一道去创造地发现问题、分析问题、解决问题，在成功中寻找快乐、在快乐中更加成功。同时特别注重创设的情景的选择性，有针对性和实效性，引导学生们积极、主动参与，使他们的潜能、智慧得出充分挖掘、展示。只有当学生们在课堂上表现出来的独特的、有创意的设计见解，学生主体参与和教师主导二者完美结合，才能表明该课的设计卓有成效。
人教版高中政治必修3文化在交流中传播说课稿2篇
师：同学们这个暑假过得真不错呀，都有自己最开心的日子。同学们经历的这些活动，让你们自己长了知识，丰富了阅历，你们今天的介绍，也让我和更多的同学大开了眼界。由此可见，在今天，通过亲身参与、实践，通过网络、电影，通过交流发言，大家获得了许多新的信息、知识，增强了对祖国美好河山的热爱、对科技的向往和异国的友谊。同学们信息交流的过程，实际上也是文化传播的过程。板书课题:第二课时文化在交流中传播话题导入讨论话题：如何建设文明校园?（课前准备：要求同学们仔细观察、了解关于校园文明现象的问题，并就如何建设文明校园提出自己的建议。教师可按自然组，让学生推选一名代表发言，就校园文明方面谈谈存在的问题和不足，或提出一些中肯的改进意见）（学生交流）生1：建设文明校园，首先要净化语言环境，我们学校不少同学爱说脏话，与文明校园很不相称。
人教版高中政治必修3在文化生活中选择说课稿3篇
生2：每逢清明，或其他一些死者的纪念日，人们总要为死去的亲人烧纸钱。这幅漫画由烧纸钱演变为烧“家电”，说明随着社会环境的变化，人们根深蒂固的一些封建思想，还在影响着人们的生活。要花大力气去破除封建迷信活动。师：说到底，算命、烧纸钱是封建迷信活动，从文化角度来说，是落后文化。我们一起来看看在现实生活中，还有哪些落后文化在影响着人们的生活。生1：在一些边远落后地区，大人小孩生了病，不是看医生，而是让巫婆神汉来治，结果往往耽误了诊疗时间，有的甚至还丢掉了性命。生2：“重男轻女”“多子多福”，红白事大操大办现象在有些地方还很严重。师：这些落后文化都有哪些共同特征？在你看来，这些现象有哪些危害？生3：这些落后文化，在内容上带有迷信、愚昧、颓废、庸俗等色彩，在形式上常常以传统习俗的形式表现出来，如人们常见的看相、算命、测字、看风水等。它会麻痹人的意志，使人消极、悲观、绝望，对理想、前途、信念丧失信心；破坏社会的风气。
人教版高中政治必修3在文化生活中选择说课稿
一、教材分析文化市场和大众传媒的发展，给我们的文化生活带来了许多可喜的变化。但是，文化市场的自发性和传媒的商业性也引发了令人忧虑的现象。文化生活有“喜”也有“忧”，让我们欢喜让我们忧。面对形式多样的文化生活，置身于文化生活的海洋之中，在文化生活中如何选择、怎样作出正确的选择是亟待向学生解决的问题。二、学情分析高二学生处于世界观、人生观和价值观形成的关键时期，身心迅速发展，自我意识和独立性较强，社会公共生活空间范围越来越大，并且开始理性地思考社会和人生的重大问题，他们可塑性强，但情绪仍然不稳定，有多变性，容易冲动或偏激，迫切需要提升思想意识，加强方法论的指导，使其在纷繁复杂的文化生活中能够进行正确的判断与选择。如果我们的学生不能把握正确的航向，是非观念模糊，良莠不分，就会陷入落后文化和腐朽文化的泥沼而不能自拔，甚至造成无法挽回的恶果。
人教版高中历史必修3文艺复兴和宗教改革说课稿2篇
师：在科学发展过程中，前一个理论体系的不完善之处，往往是新的研究和新的发现的突破口。开普勒之后，意大利天文学家伽利略创制了天文望远镜，用更加精确的观察继续发展和验证哥白尼创立的新天文学理论。除了用望远镜进行天文观察以外，伽利略还开始进行自然科学的实验研究，哪位同学能给大家讲一讲伽利略在比萨斜塔上所作的关于物体自由下落的实验？生：（讲述这一实验）师：所以，伽利略在科学方面更加重要的贡献是奠定了近代实验科学的基础。（2）实验科学和唯物主义师：伽利略从实践上开辟了实验科学的方法，而英国唯物主义哲学家培根则从理论上阐述了实验科学的方法——归纳法。培根和伽利略同被称为实验科学之父，培根还有一句影响深刻的名言：“知识就是力量”，表明了他注重知识，尊崇科学的精神。我们再来概括一下意大利哲学家布鲁诺的唯物主义思想，是否有同学可以简述布鲁诺的生平事迹？
新人教版高中英语必修3Unit 2 Morals and Virtues-Discovering Useful Structure教学设计
1. 表示时间。Hearing these stories, I’m skeptical about the place. = When I heard these stories. . . 2. 表示原因。Not knowing his address, I can’t send this book to him. = Because/Since/As I don’t know his address. . . 3. 表示结果。His father died, leaving him a lot of money. =. . . and left him a lot of money4. 表示条件。Going straight down the road, you will find the department store. = If you go straight down the road. . . 5. 表示让步。Being tired, they went on working. =Although they were tired. . . 6. 表示行为方式、伴随情况或补充说明。He lay on the grass, staring at the sky for a long time. =. . . and stared at the sky for a long time注意：非谓语动词作状语时, 如所提供的动词不能和句子中的主语保持一致, 动词-ing形式必须有自己的逻辑主语, 通常由名词或代词来担任, 这就是独立主格结构。The last bus having gone, we had to walk home. (having gone的逻辑主语是the last bus, 而不是we)Weather permitting, the football match will be played on Friday. (permitting的逻辑主语是time, 而不是the football match)Step 7 Practice1. ________(study) hard, you are sure to get first prize. 2. People use plastic in their daily life, _______(leave) large amounts of waste. 3. ________(work) hard at your lessons, you are to succeed. 4. The old man, ____________(work) abroad for twenty years, is on the way back to his motherland. 5. ______________(finish) his homework, he was playing on the playground. Answers: 1. Studying 2. leaving 3. Working 4.having worked 5. Having finishedStep 8 HomeworkFinish the homework on Page 22.
新人教版高中英语必修3Unit 2 Morals and Virtues-Listening &Speaking＆Talking教学设计
Example:One day, a poor boy who was trying to pay his way through school by sending newspapers door to door found that he only had one dime(一角）left. He was so hungry that he decided to beg for a meal at the next house.However, he lost his nerve when a lovely young woman opened the door. Instead of a meal he asked for a drink of water. She thought he looked hungry so she brought him a large glass of milk. He drank it slowly, and then asked, “How much do I owe you?” “You don’t owe me anything,” she replied, “Mother has taught me never to accept pay for a kindness.” “Then I thank you from the bottom of my heart.” With these words, Howard Kelly left that house.Years later the woman became badly ill and was finally sent to the hospital in a big city. Dr. Howard Kelly, now famous, was called in. When he heard the name of the town she came from, a strange light filled his eyes. Dressed in his doctor’s clothes, Dr. Kelly went into her room and recognized her at once. From that day on, he gave special attention to her, and decided to do his best to save her life.At last the woman was saved. Dr. Kelly asked the business office to pass the final bill to him. He looked at it and then wrote something on the side. The bill was sent to the woman’s room. She was afraid to open it because she was sure that it would take the rest of her life to pay for it off. Finally she looked, and the note on the side of the bill caught her attention. She read these words: “Paid in full with a glass of milk, Dr. Howard Kelly.” Tear of joy flooded her eyes.
新人教版高中英语必修3Unit 2 Morals and Virtues-Reading and Thinking教学设计
The topic of this part is “Learn to make choices in life”.The Listening & Speaking & Talking part aims at the moral dilemmas, and this part is about making choices in life. The heroin is Lin Qiaozhi, a famous medical scientist, made a great contribution to our country’s medical care. Most importantly, her life experience can inspire our students whether in studying or the development of career. she had moral dilemmas and life choices, which are similar to the students who will step into society. Besides, Lin has quite good virtues like kindness, self-improvement, insistence, job-loving , generosity and responsibility, which is worth being learned.Concretely, this article is a biography about Lin Qiaozhi. The article tells her whole life according the timeline, among which the life choices is emphasized. For example, whether married or chased her dream, returned home or stayed abroad, family or public, her choices all reflected her faith, spirit, responsibility and devotion.1. Fast reading to get the detailed information about Lin Qiaozhi; careful reading to do the deductive information.2. Learn the reading skills--deductive judgement according the context.3. Study the structure features and language features. 4. Communicate about Lin’s life choices and reflect their own life choices.1. Learn the reading skills--deductive judgement according the context.2. Study the structure features and language features.3. Communicate about Lin’s life choices and reflect their own life choices.Step 1 Lead in---Small talkWhat are some important life choices?Importance choices: university study, jobs and marriage partners. Because they can determine our future.
新人教版高中英语必修3Unit 2 Morals and Virtues-Reading for Writing教学设计
1. 这个寓言是一个关于一位国王古寓言。 The fable is an old fable about a king.2.作者用这个故事让读者对于社区的问题负有个人责任的必要印象深刻。The author used the story to impress upon readers with the need to take personal responsibility for problems in the community.3. 这个故事十分成功的实现了它的目的。The story was quite successful in achieving its purpose.Step 7 WritingPlease write a review of the story according the outline above.The fable is an old fable about a king who thought his people are lazy, so he put a large stone in the middle of the road and hides and waited to see if anyone will try to move it.The author used this story to impress upon readers with the need to take personal responsibility for problems in the community. The story was quite successful in achieving its purpose, and I liked it because it had a clear moral.However, while the moral of the story is clear, the actions of the king seemed pointless to me, because none of the characters in the story learnt anything. For this reason, I think there are better stories that can be used to impress upon people with the need for personal responsibility.Step 8 Pair workExchange drafts with a partner. Use this checklist to help your partner revise his/her draft.1. Does the writer give a short description of the story ?2. Does the description include the most important details of the story ?3. Does the writer give his or her opinion about the character or their actions ?4. Is the review well-organised ? 5. Does the writer use the -ing form as the adverbial correctly in the writing ?6. Are there any grammar, spelling, or punctuation errors ?Step 9 HomeworkPut up your revised draft in the classroom or read it to your class.
新人教版高中英语必修3Unit 3 Diverse Cultures-Discovering Useful Structure教学设计
Step 4 PracticeRead the conversation. Find out which words have been left out.Justin: Linlin, I’m going to Guizhou Province next month. I’m super excited! Any recommendations for places to visit?Linlin: Wow, cool! Guizhou is a province with a lot of cultural diversity. Places to visit...well, definitely the Huangguoshu Waterfall first.Justin: What’s special about the waterfall?Linlin: Well, have you ever heard of the Chinese novel Journey to the West ?Justin: Yes, I have. Why ?Linlin: In the back of the waterfall, you will find a cave, which is the home of the Monkey King.Justin: Really? Cool! I’ll definitely check it out.Linlin:And I strongly recommend the ethnic minority villages. You’ll find Chinese culture is much more diverse than you thought.Justin:Sounds great, thanks.Answers:Justin: Linlin, I’m going to Guizhou Province next month. I’m super excited! Do you have any recommendations for places to visit?Linlin: Wow, that’s cool! Guizhou is a province with a lot of cultural diversity. What are some places to visit in Guizhou ? Well, definitely the Huangguoshu Waterfall is the first place to visit in Guizhou Province.Justin: What’s special about the waterfall?Linlin: Well, have you ever heard of the Chinese novel Journey to the West ?Justin: Yes, I have heard of the Chinese novel Journey to the West . Why do you ask if I have heard of the Chinese novel Journey to the West?Linlin: In the back of the waterfall, you will find a cave, which is the home of the Monkey King from Journey to the West.Justin: That’s really true? It’s Cool! I’ll definitely check it out.Linlin:And I strongly recommend the ethnic minority villages on your trip to Guizhou Province. You’ll find Chinese culture is much more diverse than you thought it was.Justin:This all sounds great, thanks.
新人教版高中英语必修3Unit 3 Diverse Cultures-Reading for Writing教学设计
The topic of this part is “Describe a place with distinctive cultural identity”.This section focuses on Chinese culture by introducing Chinatown, whose purpose is to show the relationship between the Chinese culture and American culture. The Chinese culture in Chinatown is an important part of American culture. Chinatown is an important window of spreading Chinese culture and the spirit homeland of oversea Chinese, where foreigners can experience Chinese culture by themselves.Concretely, the title is “Welcome to Chinatown!”, from which we can know that the article aims at introducing Chinatown. The author used the “Introduction--Body Paragraph--Conclusion” to describe the people, language, architecture, business, famous food and drinks and people’s activities, which can be a centre for Chinese culture and shows its unique charm.1. Read quickly to get main idea; read carefully to get the detailed information.2. Learn the characteristics of writing and language.3. Learn to introduce your own town according to the text.4. Learn to correct others’ writing.1. Learn the characteristics of writing and language.2. Learn to introduce your own town according to the text.Step 1 Lead in ---Small talkIn the reading part, we mentioned the Chinatown of San Francisco. How much do you know about Chinatown of San Francisco ?Chinatown is a main living place for Chinese immigrants, where you can see many Chinese-style buildings, costumes, operas, restaurants, music and even hear Chinese.Step 2 Before reading ---Predict the contentWhat is the writer’s purpose of writing this text ? How do you know ?From the title(Welcome to Chinatown) and some key words from the text(tourist, visit, visitors, experience), we can know the purpose of the text is to introduce Chinatown and show the relationship between Chinese culture and American culture.
新人教版高中英语必修3Unit 3 Diverse Cultures-Listening &Speaking＆Talking教学设计
1. In Picture 1 and Picture 2, where do you think they are from? How do you know?From their wearings, we can know they are from ethnic minority of China--- Miao and Dong.Picture 1, they are playing their traditional instrument lusheng in their traditional costumes.Picture 2. the girls are Miao because they wear their traditional costumes and silver accessory.2. In Picture 3, can you find which village it is? What time is it in the picture?It is Dong village. It is at night. Step 2 While-listeningJustin met a new friend while traveling in Guizhou. Listen to their conversation and complete the summaries below.Part 1Justin and Wu Yue watched some Miao people play the lusheng. The instrument has a history of over 3,000 years and it is even mentioned in the oldest collection of Chinese poetry. Then they watched the lusheng dance. Justin wanted to buy some hand-made silver/traditional accessories as souvenirs. He was told that the price will depend on the percentage of silver. Part 2They will go to a pretty Dong minority village called Zhaoxing. they will see the drum towers and the wind and rain bridges. They may also see a performance of the Grand Song of the Dong people.Step 3 Post-listening---TalkingWork in groups. Imagine Justin is telling some friends about his trip to Guizhou. One of you is Justin and the rest of you are his friends. Ask Justin questions about his trip and experience. The following expressions may help you.
新人教版高中英语必修3Unit 3 Diverse Cultures-Reading and Thinking教学设计
Discuss these questions in groups.Q1: Have you ever been to a place that has a diverse culture ? What do you think about the culture diversity ?One culturally diverse place that I have been to is Harbin, the capital city of Heilongjiang Province. I went there last year with my family to see the Ice and Snow Festival, and I was amazed at how the culture as different to most other Chinese cities. There is a big Russian influence there, with beautiful Russian architecture and lots of interesting restaurants. I learnt that Harbin is called “the Oriental Moscow” and that many Russians settled there to help build the railway over 100 years ago.Q2: What are the benefits and challenges of cultural diversity ?The benefits: People are able to experience a wide variety of cultures, making their lives more interesting, and it can deepen the feelings for our national culture, it is also helpful for us to learn about other outstanding culture, which helps improve the ability to respect others. The challenges: People may have trouble communicating or understanding each other, and it may lead to disappearance of some civilizations and even make some people think “The western moon is rounder than his own.”Step 7 Post reading---RetellComplete the passage according to the text.Today, I arrived back in San Francisco, and it feels good (1) _____(be) back in the city again. The city succeeded in (2)_________ (rebuild) itself after the earthquake that (3)________ (occur) in 1906, and I stayed in the Mission District, enjoying some delicious noodles mixed with cultures. In the afternoon, I headed to a local museum (4)____ showed the historical changes in California. During the gold rush, many Chinese arrived, and some opened up shops and restaurants in Chinatown to earn a (5)_____ (live). Many others worked on (6)______ (farm), joined the gold rush, or went to build the railway that connected California to the east. The museum showed us (7)____ America was built by immigrants from (8)________ (difference) countries and cultures. In the evening, I went to Chinatown, and ate in a Cantonese restaurant that served food on (9)________(beauty) china plates. Tomorrow evening, I’m going to (10)__ jazz bar in the Richmond District. 答案：1. to be 2. rebuilding 3. occurred 4. that 5.living6. farms 7.how 8. different 9. beautiful 10. a
新人教版高中英语必修3Unit 4 Space Exploration-Listening&Speaking&Talking教学设计一
Listening and Speaking introduces the topic of “talking about how to become an astronaut”. This period is aimed to inform students some details about the requirements of being an astronaut. Students can be motivated and inspired by the astronauts. Teachers ought to encourage students to learn from them and let them aim high and dream big.Listening and Talking introduces the theme of "talk about life in space". This part also informs students more details about life in space and can inspire students to be curious about this job. 1. Guide students to listen for numbers concerning dates, years and ages etc2. Cultivate students' ability to talk about how to become an astronaut and life in space ; 3. Instruct students to use functional sentences of the dialogue such as “ first of all, I am not sure, so what might be .. I guess.. I wonder…I am curious…)appropriately.1. Guide students to understand the content of listening texts in terms of the whole and key details; 2. Cultivate students' ability to guess the meaning of words in listening; discuss with their peers how to become a qualified astronaut and describe the life in space.Part 1: Listening and SpeakingStep 1: Lead inPredictionThe teacher can ask students to predict what the listening text is about by looking at the pictures.About how to become an astronaut./the requirements of an astronautStep 2: Then, play the radio which is about an interview a. And after finishing listening for the first time, the students need to solve the following tasks.
新人教版高中英语必修3Unit 4 Space Exploration-Discovering Useful Structure教学设计
The theme of the section is “Describe space facts and efforts to explore space”. Infinitives are one of non-finite verbs, as the subjects, objects, predicative, attributes and adverbials. This unit is about space exploration, which is a significant scientific activity, so every scientific activity has strong planning. Therefore, using the infinitives to show its purpose, explanations or restrictions is the best choice.1. Learn the structure, functions and features of infinitives.2. Learn to summarize some rules about infinitives to show purpose and modify.3. Learn to use infinitives in oral and writing English. 1. Learn the structure, functions and features of infinitives.2. Learn to summarize some rules about infinitives to show purpose and modify.3. Learn to use use infinitives in oral and writing English.Step 1 Lead in---Pair workLook at the following sentences and focus on the italicized infinitives. In pairs, discuss their functions. 1. I trained for a long time to fly airplanes as a fighter pilot..(作目的状语)2. As we all know, an astronaut needs to be healthy and calm in order to work in space..(作目的状语)3. First of all, you must be intelligent enough to get a related college degree..(作目的状语)4. Some scientist were determined to help humans realise their dream to explore space..(作定语)5. On 12 April 1961, Yuri Gagarin became the first person in the world to go into space..(作定语)Summary:1. 不定式的结构：to+do原形。2. 分析上面的句子，我们知道在描述太空探索时，动词不定式不仅可以用来表目的，还可以用来作定语，表修饰。