-
人教版新課標(biāo)高中物理必修1摩擦力教案2篇
l．知識與技能：（1）知道摩擦力產(chǎn)生的條件。（2）能在簡單問題中，根據(jù)物體的運動狀態(tài)，判斷靜摩擦力的有無、大小和方向；知道存在著最大靜摩擦力。（3）掌握動磨擦因數(shù)，會在具體問題中計算滑動磨擦力，掌握判定摩擦力方向的方法。（4）知道影響到摩擦因數(shù)的因素。2．過程與方法：通過觀察演示實驗，概括出摩擦力產(chǎn)生的條件及摩擦力的特點，培養(yǎng)學(xué)生的觀察、概括能力。通過靜摩擦力與滑動摩擦力的區(qū)別對比，培養(yǎng)學(xué)生分析綜合能力。3．情感態(tài)度價值觀：在分析物體所受摩擦力時，突出主要矛盾，忽略次要因素及無關(guān)因素，總結(jié)出摩擦力產(chǎn)生的條件和規(guī)律。二、重點、難點分析1．本節(jié)課的內(nèi)容分滑動摩擦力和靜摩擦力兩部分。重點是摩擦力產(chǎn)生的條件、特性和規(guī)律，通過演示實驗得出關(guān)系f=μN。2．難點是學(xué)生有初中的知識，往往誤認(rèn)為壓力N的大小總是跟滑動物體所受的重力相等，因此必須指出只有當(dāng)兩物體的接觸面垂直，物體在水平拉力作用下，沿水平面滑動時，壓力N的大小才跟物體所受的重力相等。
新人教版高中英語必修1Unit 2 Travelling Around-Discovering Useful Structure教案
（5）be to do （可以和具體的時間狀語連用）①表示按計劃、安排即將發(fā)生的動作。②用于時間、條件狀語從句中，表示“如果要……，想要……”。The students are to meet at the school gate tomorrow. 明天學(xué)生們將在學(xué)校大門口集會。 If you are to succeed, you must work as hard as possible. 如果你想要成功，比必須努力工作。（6）be about to do （不與具體的時間狀語連用） 表示即將要發(fā)生的動作。We are about to start. 我們就要出發(fā)了。The new school year is about to begin. 新學(xué)年開學(xué)在即。（7）一般現(xiàn)在時表將來①表示按時間表規(guī)定將要發(fā)生的動作。常限于表示位置移動的短暫性動詞。②在時間、條件或讓步狀語從句中，用一般現(xiàn)在時表將來。Look at the timetable. Hurry up! Flight 4026 takes off at 18:20. 你看看時刻表，快點！4026次航班的起飛時間是下午6點20分。Jane is in a hurry because the train to the airport leaves in half an hour. 簡很匆忙，因為去機(jī)場的火車半小時后出發(fā)。
新人教版高中英語必修1Unit 2 Travelling Around-Reading and Thinking教案
Good expressions that students can choose to use: help the travelers choose which tour to take1. In my opinion, you could/might choose…, because you prefer to…2. …could be a perfect choice for you, for…3. As far as I am concerned, you would enjoy…, for…4. …would probably suit you, because you enjoy/love/hate doing…Step 5 Passage ConsolidationLanguage appreciation:1. You can then spend three days exploring the rainforest with a local guide and enjoying the plants and animals unique to the rainforest. 在接下來的三天里，您可以在當(dāng)?shù)貙?dǎo)游的陪同下，深入雨林進(jìn)行探索，欣賞雨林特有的動植物。本句主體結(jié)構(gòu)為spend some time doing sth. 2. Inca builders cut stones to exact sizes so that nothing was needed to hold walls together other than the perfect fit of the stones. 印加的建筑工人將石頭切割成精確的尺寸，僅僅憑著石頭間的完美契合，即可穩(wěn)固墻體。本句為so that引導(dǎo)的結(jié)果狀語從句。nothing與the perfect fit為并列成分; other than在句中意為“除了”。Step 6 HomeworkSuppose you will travel to Peru, write a short essay about your three-day tour plan.
新人教版高中英語必修1Unit 2 Travelling Around-Reading for Writing教案
Is there a clear purpose for the trip? :Does each paragraph have a clear main idea? Does the writer use the present continuous tense for future plans?Does the writer use commas, stops, and question marks correctly? Are all the words spelt correctly?Are all the proper nouns capitalized?Revise your draft according to your partner's comments.Step 5:The summary of how to write a travel plan.旅游計劃是一種常見的應(yīng)用文寫作。旅游可分為觀光游、文化游、美食游及探險游等不同類型，因此旅游計劃也要根據(jù)不同的旅游目的進(jìn)行設(shè)計。常規(guī)的旅游計劃需要明確以下幾個方面的問題:Travel planWhen will you leave for？ Where is your the destination?How will you get there?What will you do there?How long will you there?Is there a clear purpose for the trip? 為了提升旅行計劃的層級，還需注意以下幾個方面的問題:1.每段是否有明確清晰的主題;2.用一般現(xiàn)在時代替一般將來時；3.用更高級的形容詞詞匯。例如:表達(dá)“好”時，不要總用“nice”,我們還可以用“smart, clean, excellent, exciting, beautiful, wonderful, clever, famous, grand”等表達(dá)更具有指向性的詞匯；4.用更高級的動詞詞匯。比如:我們可以用“seem stand, lie .get stay, remain, look . sound, become . keep, grow”等代替"be";
新人教版高中英語必修2Unit 1 Cultural Heritage-Discovering Useful Structure教案一
This teaching period mainly deals with grammar “restrictive relative clauses.” To begin with, teachers should lead students to revise what they have learned about the relative pronouns and relative adverbs. And then, teachers move on to stress more special cases concerning this grammar, such as the “preposition+ relative pronouns which and whom” and cases where we can omit the relative pronouns. This period carries considerable significance to the cultivation of students’ writing competence and lays a solid foundation for the basic appreciation of language beauty. The teacher is expected to enable students to master this period thoroughly and consolidate the knowledge by doing some exercises. 1. Guide students to review the basic usages of relative pronouns and adverbs of attributive clauses.2. Lead students to learn to use some special cases concerning restrictive relative clauses flexibly.2. Enable students to use the basic phrases structures flexibly.3. Strengthen students’ great interest in grammar learning.1. Help students to appreciate the function of relative pronouns and adverbs of attributive clauses in a sentence2. Instruct students to write essays using the proper relative pronouns and adverbs of attributive clauses.本節(jié)語法思考：定語從句在復(fù)合句中的作用是什么？ 關(guān)系詞有哪些？定語從句在復(fù)合句中的作用相當(dāng)于形容詞，它在句中作定語修飾名詞或代詞。他們在先行詞和定語從句之間起到聯(lián)系作用，同時在意義上代表先行詞并在定語從句中擔(dān)任一個成分。被定語從句所修飾的詞稱先行詞，定語從句一般放在先行詞的后面。
新人教版高中英語必修2Unit 1 Cultural Heritage-Reading and Thinking教案二
1. This section focuses on "Understanding how a problem was solved”, which is aimed to guide students to analyze and discuss the challenges and problems faced by cultural heritage protection during the construction of Aswan Dam, as well as the solutions. On the basis of understanding, students should pay attention to the key role of international cooperation in solving problems, and attach importance to the balance and coordination between cultural heritage protection and social and economic development. Students are encouraged to face challenges actively, be good at cooperation, and make continuous efforts to find reasonable ways and means to solve problems.2. Enable students to understand the main information and text structure of the reading text;3. Motivate students to use the reading strategy "make a timeline" according to the appropriate text genre;4. Enable students to understand how a problem was solved;5. Enable students to understand the value of protecting cultural heritage by teamwork and global community;1. Guide students to pay attention to reading strategies, such as prediction, self-questioning and scanning.2. Help students sort out the topic language about protecting cultural relics and understand the narrative characteristics of "time-event" in illustrative style3. Lead students to understand the value of protecting cultural heritage by teamwork and global community;
新人教版高中英語必修2Unit 1 Cultural Heritage-Reading and Thinking教案一
The theme of the reading and thinking is about “Understanding how a problem was solved”.The Listening & Speaking & Talking is about international co-work to protect the Mount Tai, in which the students from seven countries came up with many solutions even create the Mount Tai App. This section aims at showing how to solve a difficult and even tough problem about protecting the cultural heritage by the international co-work. So in this section, cultivating students’ international awareness is very clear and important. Concretely, with the economic development, how to balance the protection of cultural relics and social development is a big challenge for human. In the 1950s, the Egyptian government wanted to build the Aswan Dam across the Nile to control floods, produce electricity and water farms. But the proposal led to protests because it would destroy a lot of cultural relics. The Egyptian had no choice but ask the UN for help. Therefore, a international cooperation about how to protect the cultural relics began, which involved the time length about 20 years and a large amount of fund. Then, the problems was solved. 1. Read quickly to get the main idea and the structure of the article; read careful to get detailed information.2. Learn to use the reading strategy---making a timeline3. Learn how to solve a tough problem by asking for help and cooperation4. Have the international awareness and understand the great strength of international cooperation.1. Read quickly to get the main idea and the structure of the article; read careful to get detailed information.2. Learn to use the reading strategy---making a timeline.3. Learn how to solve a tough problem by asking for help and cooperation.
新人教版高中英語必修2Unit 1 Cultural Heritage-Reading For Writing教案
This report is short, concise and has typical news content and language features. The title uses the verb phrases, embodying the characteristics of being concise and general. The introduction is the first two sentences in the first paragraph, describing the general situation of the cultural heritage protection project, including time, place, characters, events and other news elements, so that readers can see the main points of the news report at a glance. The main body is the second and third paragraphs, which report the important historical and cultural value of Mogao Grottoes and the production of Mogao Grottoes Material digital photos, which are of great significance to the inheritance of historical culture and the promotion of international cultural understanding, exchange and cooperation. Direct citation is used in the report, as well as background introduction and other news writing techniques.1. Get students to have a good understanding of some features about a news report by reading the text.2. Instruct students to write a summary about a news report properly using some newly acquired writing skills in this period.3. Develop students’ writing and cooperating abilities.4. Strengthen students’ great interest in writing discourses.1. Stimulate students to have a good understanding of how to a summary about a news report 2. Cultivate students to write a news report properly and concisely.Step 1: Lead in Do you think it is necessary for us to circulate our cultural heritage to the world? Why or why not?Do we need to learn more about other countries’ cultural heritage? Why or why not?Step 2: Read to discover details concerning the main body of the news report.
新人教版高中英語必修1Unit 2 Travelling Around–Listening and Speaking教案
無論她說什么都不會對我們的安排有影響。Answers: for, arrangement3) Parents arrange everything for their children and spare no effort to pave the way for their success.父母為孩子安排好一切，不遺余力地為他們的成功鋪路。4. extremely adv 極其，非常extreme adj 非常的1) Mary found it extremely difficult to get a job.2) I’m extremely sorry to have troubled you.Answers:瑪麗發(fā)現(xiàn)找工作極其困難。給你添了麻煩，我十分抱歉。3) It had white-painted tunnels and bright red carriages, and proved _________ (extreme) popular with the public.它有白色的隧道和明亮的紅色車廂，結(jié)果證明它非常受大眾的歡迎。Answers: extremelyExercises1. I am continuing to apply_______ jobs though I have failed several times.2. All this had an _______ (extremely) bad effect on the criminal justice system.3. The invention would have wide ______ (apply) in industry.4. She’s happy with her unusual living _________ (arrange).5. I was banging so loudly that I’m ___________ (amaze) that they didn’t hear me.6. You haven’t changed at all you still look ___________ (exact) the same.7. “Was it what you expected?” “Yes, _________ (definite).”8. He was looking forward to______ (work) with the newPrime Minister. Answers: for extreme application arrangement amazed exactly definitely looking單句寫作：1. _______________ (你要說些什么) when you get on the platform to accept the reward?2. Since_____________________(我們?yōu)檫@些事情做好了準(zhǔn)備), we have nothing to worry about.
新人教版高中英語必修2Unit 1 Cultural Heritage-Discovering Useful Structure教案二
This theme of the part is “ Describe people or things in greater detail”. Students have learned the grammar(restrictive relative clauses) in Book 1, and further review and consolidate its structure “prep+relative pronouns(which/whom)” and the relative adverbs(when, where and why), besides students should understand its form, meaning and functions. In this section, students should be able to express the grammar correctly in daily communication and in the writing. 1. Review the basic usages of relative pronouns and adverbs of attributive clauses . 2. Learn to use some special cases about restrictive relative clauses.3. Learn to write sentences with restrictive relative clauses flexibly according to the context.1. Review the basic usages of relative pronouns and adverbs of attributive clauses .2. Learn to use some special cases about restrictive relative clauses.3. Learn tow rite sentences with restrictive relative clauses flexibly according to the context.Step 1. Observe the following sentences, and mark the relative pronouns and the adverbs. 1. After listening to the scientists who had studied the problems, and citizens who lived near the dam, the government turned to the United Nations for help.2. Temples and other cultural sites were taken down piece by piece, and then moved and put back together again in a place where they were safe from the water.Step 2 PracticePlease complete these sentences with relative pronouns and relative adverbs and answer the following questions.Questions: 1. What is the head noun ?2. What relative words should be used ?3. What elements do they act in these sentences ?
新人教版高中英語必修2Unit 1 Cultural Heritage-Listening＆Speaking＆Talking教案
Listening and Speaking introduces the topic of “Take part in a youth project”. The listening text is an interview about an international youth cultural heritage protection project. More than 20 high school students from seven countries participated in the project. The reporter interviewed two participants Stephanie and Liu Bin. By listening to the text, students can understand the significance of cultural heritage protection, and teenagers can use their knowledge, combine their own interests and advantages, etc. to participate in the action of cultural heritage protection. Listening and Talking introduces the theme of "Talk about history and culture". The listening text is a dialogue between two tourists and tour guides when they visit the Kremlin, red square and surrounding buildings. The dialogue focuses on the functional items of "starting a conversation", which is used to politely and appropriately attract the attention of the others, so as to smoothly start a conversation or start a new topic. The purpose of this section is to guide students to understand the history and current situation of Chinese and foreign cultural heritage in their own tourism experiences or from other people's tourism experiences, explore the historical and cultural values, and be able to express accurately and appropriately in oral communication.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 participate in cultural heritage protection activities.3. Instruct students to use functional sentences of the dialogue such as “I beg your pardon, but…” “Forgive me for asking, but…" and so on to start the conversation more politely and appropriately.
人教版高中政治必修3文化塑造人生教案2篇
【教學(xué)內(nèi)容】人教版高中思想政治必修3文化生活第一單元第二課第二框題《文化塑造人生》?！窘虒W(xué)目標(biāo)】1．知識目標(biāo)理解優(yōu)秀文化如何豐富人的精神世界、增強(qiáng)人的精神力量及促進(jìn)人的全面發(fā)展。2．能力目標(biāo)（1）能賞析優(yōu)秀文化產(chǎn)品，感悟積極向上的文化生活對于豐富人們的精神世界，增強(qiáng)人民的精神力量的意義，確信其促進(jìn)人的全面發(fā)展的重要作用。（2）結(jié)合文化塑造人生，不斷豐富自己的精神世界，促進(jìn)自身的全面發(fā)展3．情感、態(tài)度、價值觀目標(biāo)樹立正確的世界觀、人生觀、價值觀，豐富精神世界，增強(qiáng)精神力量，接受優(yōu)秀文化，促進(jìn)自身的全面發(fā)展。【教學(xué)重點】優(yōu)秀文化能豐富人的精神世界，增強(qiáng)人的精神力量【教學(xué)難點】文化促進(jìn)人的全面發(fā)展【教學(xué)準(zhǔn)備】資料收集、多媒體課件【課時安排】1課時【教學(xué)過程】視頻導(dǎo)入：播放我國殘疾人藝術(shù)團(tuán)在春節(jié)晚會上的精美舞蹈《千手觀音》。
人教版高中政治必修3體味文化教案2篇
3、文化是人們的一種素養(yǎng)（1）人的文化素養(yǎng)是在社會生活、實踐中形成的。每個人所具有的文化素養(yǎng)，不是天生的，而是通過對社會生活的體驗，特別是通過參與文化生活、接受知識文化教育而逐步培養(yǎng)出來的。文化素養(yǎng)的形成，離不開生活、實踐和教育。人們在社會實踐中創(chuàng)造和發(fā)展文化，也在社會生活中獲得和享用文化。（2）人的文化素養(yǎng)表現(xiàn)在日常言行中。教師活動：引導(dǎo)學(xué)生閱讀教材7頁“公交車漫畫”材料，并思考所反映的問題學(xué)生活動：積極思考并討論問題教師點評：人們的精神活動離不開物質(zhì)活動，人們的文化素養(yǎng)總是要通過他在日常生活中的言行、在社會實踐活動中的表現(xiàn)等表現(xiàn)出來。我們通過觀察人們的社會行為，就可以從中透視人們的精神世界和精神生活。4、文化的傳承和發(fā)展離不開物質(zhì)載體。社會文化和精神產(chǎn)品離不開物質(zhì)載體，一個時代的文化和精神產(chǎn)品，往往是這一時代社會發(fā)展軌跡的反映。
高中數(shù)學(xué)人教版必修二直線的點斜式方程教案
【教學(xué)重點】直線的點斜式方程、斜截式方程的確定．【教學(xué)難點】直線的點斜式方程、斜截式方程的確定．【教學(xué)過程】1、對特殊三角函數(shù)進(jìn)行鞏固復(fù)習(xí)；表1 內(nèi)特殊三角函數(shù)值 不存在圖1 特殊三角形2、鞏固復(fù)習(xí)直線的傾斜角和斜率相關(guān)內(nèi)容；直線的傾斜角：，；直線的斜率： ， ；設(shè)點為直線l上的任意兩點，當(dāng)時，
高中數(shù)學(xué)人教版必修二直線的點斜式方程教案
【教學(xué)目標(biāo)】知識目標(biāo)：理解直線的點斜式方程、斜截式方程、橫截距、縱截距的概念；掌握直線的點斜式方程、斜截式方程的確定．能力目標(biāo)：通過求解直線的點斜式方程和斜截式方程，培養(yǎng)學(xué)生的數(shù)學(xué)思維能力與數(shù)形結(jié)合的數(shù)學(xué)思想．情感目標(biāo)：通過學(xué)習(xí)直線的點斜式方程和斜截式方程，體會數(shù)形結(jié)合的直觀感受．【教學(xué)重點】直線的點斜式方程、斜截式方程的確定．【教學(xué)難點】直線的點斜式方程、斜截式方程的確定．
人教版高中地理必修1宇宙中的地球教案
從質(zhì)量、體積、平均密度、公轉(zhuǎn)與自轉(zhuǎn)周期等各方面，地球沒有一項是最大值或最小值，這說明地球僅僅是太陽系中一顆最普通不過的一顆行星。2、地球又是一顆特殊的行星。問題 ：為什么？因為地球是目前我們已知的唯一存在生物，特點是存在高級智慧生物的天體。問題：為什么地球上會存在生命？原因：（1）地球所處的宇宙環(huán)境來說：地球處于一種相對安全的宇宙環(huán)境。例：A、九大行星公轉(zhuǎn)的同向性、同面 性、及公 轉(zhuǎn)軌道的近圓性。B 太陽光照條件的穩(wěn)定性。從地球產(chǎn)生到地球上有生物，幾十億年期間，太陽 沒有明顯的變化，地球所處的光照條件一直較穩(wěn)定，生命演化沒有中斷。（2）地球自身的物質(zhì)條件：例：A 日地距離適中，形成了適宜的溫度：日地距離適中，地球表面平均溫度15度，適合生物的生存。（擴(kuò)展：地球自轉(zhuǎn)速度適中，大氣層的保溫效應(yīng)）B 地球質(zhì)量與體積適中，使地球有了適合的大氣條件。C 原始海洋的形成 ：使 生命的出現(xiàn)成為可能。
人教版高中政治必修1價格變動的影響教案
（三）課堂總結(jié)、點評 本節(jié)內(nèi)容講述了價格變動對人們生活、生產(chǎn)的影響作用，主要知識框架如下：（1）、價格變動會影響人們的消費需求，商品價格上漲，人需求就減少，反之，則增大。價格變動對不同商品需求影響程度是不一樣的，對生活必需品的需求量影響較小，對高檔耐用品的需求量影響較大。相關(guān)商品價格變動對消費需求的影響不同，某種商品價格上漲，就會減少需求量，其替代品需求量增加，其互補(bǔ)品需求量則減少。（2）、價格變化也會影響生產(chǎn)經(jīng)營，價格變動會調(diào)節(jié)生產(chǎn)，刺激生產(chǎn)者改進(jìn)技術(shù)，提高勞動生產(chǎn)率，促使生產(chǎn)者生產(chǎn)適銷對路的高質(zhì)量產(chǎn)品?！镎n余作業(yè) 運用所學(xué)知識說明，價格變動為什么會促使生產(chǎn)者提高勞動生產(chǎn)率？★教學(xué)體會 本節(jié)學(xué)習(xí)內(nèi)容，教學(xué)中注意多引用生活、市場中的實際例子，讓學(xué)生在具體、感性材料中，感悟其中包含的經(jīng)濟(jì)學(xué)道理，學(xué)會獨立分析，切忌機(jī)械記憶。
人教版高中政治必修1影響價格的因素教案
（2）、價值規(guī)律 教師總結(jié)：通過這一節(jié)的學(xué)習(xí)我們明白了一個道理：商品的價值量由生產(chǎn)商品的社會必要勞動時間決定，商品交換以價值量為基礎(chǔ)實行等價交換。這一經(jīng)濟(jì)原則就叫做價值規(guī)律。受供求關(guān)系影響，商品價格圍繞價值上下波動，是價值規(guī)律要求發(fā)生作用的具體表現(xiàn)。（3）、價格圍繞價值上下波動是價值規(guī)律的表現(xiàn)形式（三）課堂總結(jié)、點評 本節(jié)內(nèi)容講述的主要知識如下：1、氣候、時間、地域、生產(chǎn)、習(xí)俗等因素會改變供求關(guān)系狀況，供求關(guān)系變化影響價格變動，形成賣方市場和買方市場。2、商品價格由價值決定，價值量與社會必要勞動時間成正比，與勞動生產(chǎn)率成反比。3、商品價格由價值決定，并受供求關(guān)系影響，在二者共同作用下形成市場價格。4、社會必要勞動時間決定商品價值量，商品交換以價值量為基礎(chǔ)實行等價交換，是價值規(guī)律的基本內(nèi)容，價格圍繞價值上下波動是價值規(guī)律的表現(xiàn)形式。
人教版高中政治必修1第二課多變的價格教案
（四）反思總結(jié)，當(dāng)堂檢測。本節(jié)內(nèi)容講述了價格變動對人們生活、生產(chǎn)的影響作用，主要知識框架如下：（1）、價格變動會影響人們的消費需求，商品價格上漲，人需求就減少，反之，則增大。價格變動對不同商品需求影響程度是不一樣的，對生活必需品的需求量影響較小，對高檔耐用品的需求量影響較大。相關(guān)商品價格變動對消費需求的影響不同，某種商品價格上漲，就會減少需求量，其替代品需求量增加，其互補(bǔ)品需求量則減少。（2）、價格變化也會影響生產(chǎn)經(jīng)營，價格變動會調(diào)節(jié)生產(chǎn)，刺激生產(chǎn)者改進(jìn)技術(shù)，提高勞動生產(chǎn)率，促使生產(chǎn)者生產(chǎn)適銷對路的高 質(zhì)量產(chǎn)品。（五）發(fā)導(dǎo)學(xué)案、布置預(yù)習(xí)。預(yù)習(xí)第三課第一框《消費及其類型》，完成預(yù)習(xí)導(dǎo)學(xué)案練習(xí)題九、板書設(shè)計《價格變動的影響》1、對人們生活的影響（1）商品價格變動與消費需求量之間的關(guān)系（2）不同商品的需求量對價格變動的反應(yīng)程度不同
人教版高中政治必修1第三課多彩的消費教案
二、做理智的消費者1、量入為出，適度消費2、避免盲從，理性消費3、保護(hù)環(huán)境，綠色消費4、勤儉節(jié)約，艱苦奮斗十、教學(xué)反思本課的設(shè)計采用了課前下發(fā)預(yù)習(xí)學(xué)案，學(xué)生預(yù)習(xí)本節(jié)內(nèi)容，找出自己迷惑的地方。課堂上師生主要解決重點、難點、疑點、考點、探究點以及學(xué)生學(xué)習(xí)過程中易忘、易混點等，最后進(jìn)行當(dāng)堂檢測，課后進(jìn)行延伸拓展，以達(dá)到提高課堂效率的目的。這節(jié)課我們主要學(xué)習(xí)了影響人們消費的幾種消費心理和幾種科學(xué)的消費觀。本節(jié)課與學(xué)生生活十分貼近所以這節(jié)課充分的調(diào)動了學(xué)生學(xué)習(xí)的興趣和積極性，并且讓學(xué)生針對案例進(jìn)行充分的分組討論分析，通過學(xué)生的展示分析和補(bǔ)充可以知道學(xué)生們不但深層次分析了教學(xué)原理也透徹理解了教學(xué)重難點大大提高了課堂效率.。通過案例的分析進(jìn)一步領(lǐng)會了教材原理突破了本節(jié)課的難點——樹立正確的消費觀。整堂課學(xué)生求知旺盛，復(fù)雜的知識變得簡單化，從閱讀教材到獨立思考分析再到合作討論最后的展示質(zhì)疑答疑，加深了印象，提高了能力。