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新人教版高中英語必修2Unit 3 The Internet-Reading and Thinking教案二
Q5：What's Jan's next goal?Her next goal is to start a charity website to raise money for children in poor countries.Q6：What can we learn from her experiences?We learn that when we go through tough times, we can find help and support from other people online. We learn that we can feel less lonelyStep 5: While reading---rethinkingQ1: What is Jan’s attitude to the Internet ?Thankful/Grateful, because it has changed her and her life.Q2: What writing skills is used in the article ?Examples(Jan’s example, the 59-year-old man’s and the 61-year-old woman’s example)Q3: Can you get the main idea of the article ?The Internet has changed Jan’s life/Jan’s life has been changed by the Internet.Step 6 Post reading---Retell the storyMuch has been written about the wonders of the World Wide Web. There are countless articles (1)telling(tell) us how the Internet has made our lives more convenient. But the Internet has done a lot (2)more(much) for people than simply make life more convenient. People’s lives (3) have been changed(change) by online communities and social networks so far. Take Jan for example, who developed a serious illness that made her (4)stuck(stick) at home with only her computer to keep (5)her(she) company. She joined an online group (6)where she could share problems, support and advice with others. She considered the ability to remove the distance between people as one of the greatest (7)benefits(benefit). She was so inspired (8)that she started an IT club in which many people have been helped. She has started to learn more about how to use the Internet to make society better. Her next goal is to start a charity website to raise money (9)for children in poor countries. Jan’s life has been (10)greatly(great) improved by the Internet.
新人教版高中英語必修2Unit 4 History and Traditions-Discovering Useful Structure教案二
This teaching period mainly deals with grammar: The past participle is used as attributive and objective complement.1. Guide students to review the basic usages of the past participle used as attributive and objective complement.2. Lead students to learn to use some special cases concerning the past participle used as attributive and objective complement flexibly.3. Strengthen students’ great interest in grammar learning.1. Help students to appreciate the function of the past participle used as attributive and objective complement.2. Instruct students to write essays using the past participle used as attributive and objective complement.Step1:溫故而知新。Analyze the underlined phrases and then sum up the common usages of the past participles.1．(教材P41)They had castles built(build) all around England, and made changes to the legal system．2．(教材P42)They use the same flag, known(know) as the Union Jack，．．．3．(教材P42)Judy and I had our car parked(park) in an underground car park near Trafalgar Square, where we could get our car battery charged(charge)．Common points: f the past participle used as attributive and objective complement.Step 2:過去分詞作定語時的意義1．及物動詞的過去分詞作定語，在語態(tài)上表示被動；在時間上，常表示動作已經(jīng)發(fā)生或完成，有時也不表示時間性。Our teacher watched us doing the experiment and gave us a satisfied smile at last．我們的老師看著我們做實驗，最后給了我們一個滿意的微笑。The plan put forward at the meeting will be carried out soon．會上提出的計劃將很快被執(zhí)行。2．不及物動詞的過去分詞作定語，它不表示被動意義，只強調(diào)動作完成。Many little kids like gathering fallen leaves in the yard．
新人教版高中英語必修2Unit 4 History and Traditions-Reading and Thinking教案二
Step 5 While reading---Task 3Read the text again and answer the following questions.Q1: How many countries does the UK consist of ?4 Q2: What are the four countries of the United Kingdom?England, Wales, Scotland and Northern Ireland Q3: Which two were the first to be joined together ?England and WalesQ4: What are the two chief advantages of studying the history of a country ?The first one is to help you understand more about the country and its traditions.The second one is to make visiting it more enjoyable.Q5: What’s the author’s attitude towards studying the history ?Supportive/positiveStep 6 Post reading---Retell the textThe United Kingdom, Great Britain, Britain, England—many people are confused by (1)_____ these different names mean. In the 16th century, the nearby country of Wales (2) __________(join) to the Kingdom of England. In the 19 th century, the Kingdom of Ireland was added to create the United Kingdom of Great Britain and Ireland. Finally, the southern part of Ireland (3) ______ (break) away from the UK, which resulted in the full name we have today. However, most people just use the (4)_________(shorten) name: the UK. The four countries (5)__________ belong to the United Kingdom work together in some areas. There were four sets of invaders and the last group were the Normans. They had castles (6)_________(build) all around England and made changes (7)__________ the legal system. Studying the history of the country will make your visit much more (8)_________(enjoy). The capital city London is (9)___ ancient port city that has a history (10)______(date) back to Roman times. 1. what 2.was joined 3.broke 4.shortened 5.that 6. built 7.to 8.enjoyable 9.an 10.dating Step 6 Homework
新人教版高中英語必修2Unit 4 History and Traditions-Listening＆Speaking＆Talking教案二
Listening and Speaking introduces the topic of “Take part in a youth project”. The listening text is an interview about "sharing views on historical sites". Through listening to a dialogue between Chinese and foreign students on the way to the Confucius Temple, students can understand their views on the Confucius Temple, Confucius, Confucius' descendants and Confucius' educational thoughts, so as to realize and think about the profound influence of Confucius and his thoughts on Chinese historical tradition. At the same time, the dialogue naturally integrates English idioms and mentions Shakespeare, the British playwright, so as to provide language materials and context for students to understand English idioms and related cultural allusions, as well as to compare Chinese and foreign cultures, which is helpful for students to understand and express the language such as history, tradition, culture and custom significant impact.Text analysis: listening text is a dialogue between a British student and a Chinese student when he goes to the Confucius Temple. When William, a British student, visited the Confucius Temple, he asked Xiao Kong, a Chinese student, for directions. Xiao Kong was just going to the Confucius Temple to meet with the members of the research group, so they went together and exchanged their views on the Confucius Temple, Confucius, Confucius' descendants and Confucius' educational thoughts. From the perspective of foreign tourists, this paper describes their thoughts on Confucius, the great son of Confucius, who had a profound impact on Chinese history and cultural tradition, and his education.Listening and Talking introduces a visit to a historic tourist destination. Tourism is a common way to understand a country's history, culture, and customs and so on. Students listen to the dialogue between Xiao Yan, a youth hostel Usher, and Paul, a backpacker, to learn about Pingyao's famous historical and cultural attractions and Paul's travel experience and experience as a foreign tourist.
新人教版高中英語必修2Unit 4 History and Traditions-Reading for Writing教案
Step 1 Lead inThere are many interest of places in the UK. What do you know ?The Big Ben the London Tower the Thames RiverStep 2 Before reading---analyze the titleBeautiful Ireland and its traditionWe know that the article mainly tells about the beauty and traditions of Ireland. Step 3 While reading---Task 1Read the text and answer the following questions.Q1: What makes the Irish countryside exciting and inspiring?Its beauty and how it offers something for all the scenes.Q2: What are the best ways to experience some Irish traditions and cultures?By stopping by a village pub and relaxing with a drink and traditional meal while listening to music and watching dancingQ3: What is the meaning of “breathe in the sweet scent of fresh flowers while birds greet the new day with their morning song ?”It means to not just smell but also breathe in the smell of fresh flowers early in the morning as the birds sing their first song of the new day.Q4: What are the best ways to experience Chinese traditions and customs ?By travelling to different places and using all your senses to experience everything and by interacting with local people.Step 4 While reading---Task 2Analyze the descriptive paragraph1. Identify and underline the paragraph’s introductory sentence and the ending sentence.Introductory sentence: Ireland’s beautiful countryside has always had a great influence on its people and traditions.Ending sentence: And if you introduce yourself to a friendly face, you are more than likely to experience local culture and customs first-hand.2. The paragraph talks about different senses in different places. Write the senses and places in the order that they appear.
新人教版高中英語必修2Unit 4 History and traditions教案
這個地區(qū)有著深厚的傳統(tǒng)。既學既練：為了讓更多的外國游客了解中國文化，欣賞中國美麗的自然風光，感受中國發(fā)生的巨大變化，某外文雜志社將出版一本英語小冊子來介紹中國的旅游景點。該雜志社邀請你為該小冊子寫一篇英語短文來介紹杭州，內(nèi)容包括：1．杭州的位置(中國東南部)、面積(16 000多平方公里)及歷史(2 200多年)等；2．杭州的旅游特色(自然風景、傳統(tǒng)文化、特色小吃等)；3．希望更多的游客來杭州參觀。注意：1．詞數(shù)80左右；2．可適當增加細節(jié)，以使行文連貫。Located in the southeast of China, Hangzhou is a beautiful city．Dating back more than 2，200 years, Hangzhou covers an area of more than 16，000 square kilometers．In Hangzhou, you can visit the West Lake, whose scenery is fascinating．In addition, you can’t miss its cultural relics and historical sites, from which you will learn more about excellent Chinese traditional culture and traditions．In Hangzhou, the special snacks are famous and visitors from different parts of the world think highly of them．As a tourist attraction, Hangzhou attracts a large number of visitors from home and abroad every year．Once you come to China, Hangzhou is a scenic spot you can’t miss．
新人教版高中英語必修2Unit 5 Music-Discovering Useful Structures教案二
4. When he got absorbed in his world of music, he felt as if he could “see” the beauty of the world around him, like he had in his previous life.P·P as adverbial: _________________________________________________________________.Function: _______________________________________________________________________.Step 5 Solid Complete the passage with the words in brackets in their correct forms.Well known as a successful band, the Impact members show quite a few striking qualities. They never ever give up. When _____________(question) by the media, they are not _____________(discourage) and practise even harder. They are improving themselves by attending several master training class. They are united. _____________(fill with) team spirit, they act as a whole, always aiming for glory. Step 6 Difference and similarity from -ingObserve the following examples.1. He went out, shutting the door behind him.=He went out, ________________________________________________________.2. Not knowing what to do, he went to his parents for help.=__________________________________________, he went to his parents for help.Similarity: _______________________________________________________________________________________________________________________________________________________.Difference : _______________________________________________________________________________________________________________________________________________________.Step Practice1. ________ in a hurry, this article was not so good. 因為寫得匆忙, 這篇文章不是很好。2. ________ carefully, he found something he hadn’t known before. 他仔細讀書時, 發(fā)現(xiàn)了一些從前不知道的東西。3. ________ why he did it, the monitor said it was his duty. 當被問及他為什么要這么做時, 班長說這是他的職責
新人教版高中英語必修2Unit 5 Music-Listening＆Speaking＆Talking教案
choir memberspeople to run food stands people to sell festival ticketspeople to sell music CDspeople to set up equipmentmusical performersStep 2: Listen to the announcement again and answer the questions. ? 1. What kind of songs will Grace Davis sing at the festival?? 2. Who can try out as a performer?? 3. What can those who think they do not have musical talent do?? 4. How can students volunteer to take part?? Talking about preferences:? Would you prefer doing ..?? What would you prefer to do?? Would you rather do .... or ….?? What would you rather do?? I'd prefer .... to ..? I'd rather have ... than .. Step 3: Speaking ProjectWork in groups. Role-play the conversation or make a new one.? Debbie: Where have you been? You missed the announcement about the music festival.? John: I was at the doctor's office. Music festival?? Frank: Yes, it's going to be next month on the school sports field. John, you can play the piano. How about playing it at the festival?? John: Well, I'd rather play the violin. I can play Liang Zhu.? Frank: Wow! Sounds good. What about you, Debbie? ? Debbie: Actually, I don't have much musical ability. I'd prefer just to help out with the crowds.? Frank: You can sell tickets or work at a food stand.? John: So can I assume that the aim of the festival is to raise money?? Debbie: Yes. All of the money will go to charity.
新人教版高中英語必修2Unit 5 Music-Listening and Speaking教案
This lesson is about music. Students can classify the types of music through the instruments and its sound and can talk about their preferences about music, even join some activities and play a role in them according to their musical talents. On the basis, they are guided to use the languages to express their preferences and some plosive sounds and their rules.1. Classify the music types through the instruments and its sound.2. Listen and understand what the speakers’ preferences are and the reasons; talk about their own preferences and give their own reasons, using these sentences: “What kind of music do you like? And why? “ “Because it makes/gives me energy/peaceful.../touches my heart...”.3. Learn some plosives and the rules.4. Join some activities and play a role in them according to the talents. 1. Listen and understand what the speakers’ preferences are and the reasons;2. talk about their own preferences and give their own reasons, using these sentences: “What kind of music do you like? And why? “ “Because it makes/gives me energy/peaceful.../touches my heart...”.3. Learn some plosives and incomplete plosives and its rules.Step 1 Lead inPoint at the pictures on P50 and ask Q1: What are the people doing in the pictures below?Q2: What kind of music they are?Then play the MP3s one by oneStep 2 ListeningTask 1: A reporter from the school newspaper is interviewing students about music. Listen to the interviews. Draw lines between the words to make complete sentences. Some words will not be used.
新人教版高中英語必修2Unit 5 Music-Reading and Thinking教案二
1. Get basic information about Eric; read deeply to understand the history and development of the virtual choir.2. Understand what the function of the virtual choir is and how to make a virtual choir.3. Understand the meaning of some languages in the context of the text through question guidance, such as “Many people do not have close friends or contacts who have the same interest in music.” and so on.Step 1 Leading-in1. Answer the following questions.Q1：Do you know the Apps like Tik Tok and Quick Hand?Q2: Do you want to make a Tik Tok video or a Quick Hand video?2. Play a Tik Tok video Step 2: Understanding the title Q1：What does the title mean ?Q2: Is the article a narration or exposition? Why? Q3: Can you change the title ? If you can, what is the title?Step 3: Scanning the whole text and getting the basic information1. Answer the following questions.Q1：Who came up with the idea for a virtual choir?Q2: Where did Eric studied the musical composition?Q3: What is his song?2. Find the main idea of each paragraph3. Deal with some new words.Step 4: Reading carefully to get detailed informationPara 1 How to make a virtual choir1. PreparationA. tools: a virtual camera; an Internet connectionB. hero/heroin: friends or some individuals who have the same interests2. Process
人教版高中地理必修2城市化精品教案
1．改善城市環(huán)境：治理河流、控制大氣污染物、大力加強綠化建設(shè)為改善城市環(huán)境，上海市全面展開對大氣、河流、噪聲等多方面的治理工作。如蘇州河的治理、降低城市污染物濃度、加強綠化建設(shè)，截止1990年，市區(qū)綠化覆蓋率達到20.3%。2．改善城市交通、改善居住條件擴寬主干道，修建環(huán)城公路，修筑了南浦大橋和揚浦大橋，新修城市高架公路和地鐵，改造住宅。3．控制城市規(guī)模建立衛(wèi)星城，開發(fā)新區(qū)，有效地控制城市中心區(qū)的規(guī)模。思考：什么時候許多國家采取措施保護和改善城市環(huán)境？你認為可以采取哪些措施來保護和改善城市環(huán)境？上海市保護和改善城市環(huán)境的措施：上海的衛(wèi)星城有哪些？上海新建了哪個新區(qū)？目前浦東新區(qū)在上海的地位如何？建立衛(wèi)星城和開發(fā)新區(qū)可以起到什么作用？上海市為改善交通條件，做了哪些工作？
人教版高中地理必修2城市內(nèi)部空間結(jié)構(gòu)教案
過渡：在實際生活中，城市內(nèi)部空間結(jié)構(gòu)并非完全按照這一經(jīng)濟規(guī)律呈現(xiàn)，而是更具復雜性。這說明除了經(jīng)濟因素外，還有很多其他因素在起作用，請大家結(jié)合你的認識、圖2．9和案例1：紐約市的少數(shù)民族區(qū)談?wù)勀愕目捶?。?）其他因素I收入——形成不同級別住宅區(qū)的常見原因。有能力支付昂貴租金和選擇最佳居住環(huán)境的人，其居住地往往形成高級住宅區(qū)。II知名度——城市內(nèi)某些地區(qū)在歷史、文化或經(jīng)濟方面具有很高的聲譽，這往往會吸引更多新的住宅或商場建在該處，以提高其知名度。III種族聚居區(qū)的形成——在有些城市的某一區(qū)域內(nèi)，如果某個種族或宗教團體占優(yōu)勢，就可能形成種族聚居區(qū)。如紐約市的唐人街、哈林區(qū)、小意大利區(qū)等。IV歷史因素——城市的建筑物和街道設(shè)計可以維持久遠，早期的土地利用方式對日后的功能分區(qū)有著深遠的影響。
人教版高中地理必修2人地關(guān)系思想的演變教案
2.由于附近金礦生產(chǎn)廢棄物尾礦砂的堆積，孫家村的大溝里十幾年來就吃掉了近百畝土地，使人均耕地下降到0.03公頃。村里和礦上共同商量，共同開發(fā)復墾，由礦上出錢，村里出勞力、機械，運來“客土”覆蓋到尾礦填平的溝壑上，形成耕地。十年來，通過這種方式恢復耕地15.335公頃，不僅解決了尾礦污染問題，而且村里耕地由25公頃多增加到40公頃?！舅伎肌糠治鲆陨蟽蓚€例子，哪一個體現(xiàn)了可持續(xù)發(fā)展的原則，為什么？【分析】第二個材料體現(xiàn)了可持續(xù)發(fā)展。因為材料1用農(nóng)田堆放垃圾會破壞土地肥力，影響農(nóng)業(yè)生產(chǎn)，又污染環(huán)境，危害村民健康。這種行為目光短淺，只顧眼前利益，沒有考慮長遠發(fā)展。材料2既解決了尾礦污染問題，又增加了耕地面積，耕地是可再生資源，利用得當，可為村民提供農(nóng)產(chǎn)品，解決溫飽同時創(chuàng)造經(jīng)濟效益，達到良性循環(huán)。所以說保護環(huán)境就是挽救人類，我們要將這種意識轉(zhuǎn)化為自身行為，使人地關(guān)系走向和諧。
人教版高中地理必修2人口的空間變化教案
影響我國古代人口大規(guī)模遷移的因素，與影響我國近幾十年人口遷移的因素有何不同？（古代：戰(zhàn)亂，其次為開疆拓土、流放、戍邊等?，F(xiàn)代：國家政策、社會變革、經(jīng)濟發(fā)展、個人需求等。）2、為什么有這樣的不同？（古代人口遷移受統(tǒng)治者及其行政力量的束縛。由于自給自足的經(jīng)濟十分脆弱，加之頻繁的戰(zhàn)爭以及自然災害等影響，人民難以安居樂業(yè)，不得不背井離鄉(xiāng)大批遷移。近幾十年來隨著社會經(jīng)濟的發(fā)展、貿(mào)易的往來和交通的便捷，我國人口遷移不僅數(shù)量增加，而且頻率加快，使各地人們的交往更加密切。）教師總結(jié)：從古今中外的人口遷移現(xiàn)象中，我們可以看出在人類歷史早期人口遷移中重要的因素是什么？（自然因素）現(xiàn)在什么因素起重要作用？（經(jīng)濟因素）。但是在某種特定的時空條件下，任何一種因素都有可能成為促使人口遷移的決定性因素?！咀鳂I(yè)設(shè)計】查閱49年以來中國歷年的人口數(shù)據(jù)資料，繪制人口增長的統(tǒng)計圖表，探究中國人口增長的發(fā)展趨勢
人教版高中地理必修2工業(yè)地域類型教案
1．生產(chǎn)上的聯(lián)系：有投入——產(chǎn)出的關(guān)系工業(yè)生產(chǎn)的過程復雜，工序繁多，往往需要經(jīng)過多家工廠的加工才能完成一種產(chǎn)品的生產(chǎn)過程。因此，在這些工廠之間就存在著產(chǎn)品與原料的聯(lián)系。一家工廠生產(chǎn)的產(chǎn)品是另一家工廠的原料，這兩家工廠之間就形成了工序上的工業(yè)聯(lián)系。2．非生產(chǎn)上的聯(lián)系：如地理空間上的聯(lián)系布局在同一個工業(yè)區(qū)內(nèi)，共同利用工業(yè)區(qū)的道路、供水、供電、通信等基礎(chǔ)設(shè)施以及其他生產(chǎn)、生活服務(wù)設(shè)施，或者共同利用當?shù)亓畠r的勞動力，形成了空間利用上的工業(yè)聯(lián)系。我國許多地方的經(jīng)濟技術(shù)開發(fā)區(qū)就是建立在這種工業(yè)聯(lián)系基礎(chǔ)上的。（二）工業(yè)集聚1．形成具有工業(yè)聯(lián)系的一些工廠往往近距離地聚集起來，形成工業(yè)集聚現(xiàn)象。2．工業(yè)集聚可獲得效應（1）工業(yè)集聚可以加強企業(yè)間的信息交流和技術(shù)協(xié)作，降低中間產(chǎn)品的運輸費用和能源消耗，進而降低生產(chǎn)成本，提高生產(chǎn)效率和利潤，取得規(guī)模效益。
人教版高中地理必修3產(chǎn)業(yè)轉(zhuǎn)移教案
1．國家石油價格上漲，導致依賴于國際石油而建立起來的日本重化工業(yè)的制造成本提高，產(chǎn)品價格相應提高，削弱了日本重化工產(chǎn)品在國際市場上的競爭力。2．日元 的大幅度升值，意味著日本產(chǎn)品在國際市場上的價格大幅度提高。例如，同樣的日本產(chǎn)品，如果原來在國際市場上賣1美元，日元升值1倍后其在國際市場上的售價就達2美元。所以，以國際市場為依托的日本傳統(tǒng)產(chǎn)業(yè)只好紛紛向海外轉(zhuǎn)移。3．自身市場滿足不了發(fā)展需求，國際市場上亞洲發(fā)展中國家和地區(qū)的同類產(chǎn)品具有明顯的價格優(yōu)勢。所以，日本企業(yè)在其國內(nèi)發(fā)展的空間很小。4．勞動力價格高反映為產(chǎn)品的價格高，而勞動力數(shù)量又滿足 不了企業(yè)進一步擴展對勞動力的需求。所以，日本從事傳統(tǒng)產(chǎn)業(yè)的國內(nèi)企業(yè)生產(chǎn)受勞動力價格和數(shù)量的雙重制約。5．促進日本企業(yè)生產(chǎn)的區(qū)位選擇向國土的南、北部和海外擴展。6．“技術(shù)立國”的政策明顯對傳統(tǒng)產(chǎn)業(yè)在國內(nèi)生產(chǎn)不利，即企業(yè)生產(chǎn)要么向知識技術(shù)密集型轉(zhuǎn)換（這需要大量的投資），要么轉(zhuǎn)向海外。
人教版高中地理必修3區(qū)域農(nóng)業(yè)發(fā)展教案
1．歸納珠江三角洲發(fā)展基塘生產(chǎn)有利的地理條件。珠江三角洲地勢低平，河網(wǎng)密布，降水充沛。北回歸線從珠江三角洲的北部穿過。珠江三角洲地區(qū)發(fā)展基塘農(nóng)業(yè)生產(chǎn)有利條件可以結(jié)合材料，歸納為三個方面：地形、氣候、市場（當?shù)睾秃Ｍ猓?．基塘生產(chǎn)將哪些產(chǎn)業(yè)聯(lián)系起來?哪些副產(chǎn)品(或廢棄物)被充分利用起來?這種聯(lián)系對農(nóng)村經(jīng)濟發(fā)展有什么作用?基塘生產(chǎn)環(huán)節(jié)將種植業(yè)（桑、蔗等）、養(yǎng)殖業(yè)（養(yǎng)蠶、養(yǎng)魚）、工業(yè)（絲廠、糖廠）等幾種產(chǎn)業(yè)緊密的聯(lián)系在一起。在此環(huán)節(jié)中，塘泥、蠶沙（蠶屎）、蠶蛹、繅絲、濾泥、蔗葉等副產(chǎn)品被充分的回收利用。養(yǎng)蠶業(yè)、蔗糖加工業(yè)同塘魚養(yǎng)殖業(yè)緊密結(jié)合，作為一種綜合的經(jīng)營，幾者之間相互依存、相互促進、揚長補短，有機地循環(huán)聯(lián)系起來?；旧辖鉀Q了桑、蔗的肥料和蠶、魚的飼料問題。不僅養(yǎng)蠶、蔗糖加工和養(yǎng)魚生產(chǎn)穩(wěn)定，而且成本也大大降低。
人教版高中地理必修3荒漠化的防治教案
1．薩赫勒地區(qū)位于撤哈拉沙漠的南緣。請根據(jù)下面的圖文資料，并聯(lián)系已學知識，分析薩赫勒地區(qū)的氣候等自然特征，并說明荒漠化的潛在自然因素。點撥：資料表明薩林勒地區(qū)正處于干旱與半干旱、熱帶沙漠與熱帶草原的過渡地帶；津德爾是其中有代表性的居民點，其月均溫都在22℃以上，甚至達到33℃，可想而知其蒸發(fā)量是巨大的。在降水方面，這里的年降水量不足500毫米，且基本集中在夏季，特別是7、8兩個月。以其有限的而且特別集中的降水狀況與其全年的高溫、高蒸發(fā)量相比，確實是個容易產(chǎn)生環(huán)境問題的敏感地區(qū)?？陀^上，這里就潛在著荒漠化的自然因素，這是本地區(qū)的地理位置和當?shù)氐乃疅釛l件所決定的。2．氣候的嚴酷性決定了薩赫勒地區(qū)的傳統(tǒng)經(jīng)濟以自給性質(zhì)的游牧業(yè)為主。20世紀以來，隨著沿岸國家人口和經(jīng)濟的發(fā)展及本區(qū)交通條件的改善，這里的傳統(tǒng)游牧經(jīng)濟向商品性的定居牧業(yè)經(jīng)濟轉(zhuǎn)化。
人教版高中地理必修3區(qū)域工業(yè)化與城市化教案
知識和技能 1、 了解區(qū)域工業(yè)化和城市化之間的關(guān)系，以及它們對區(qū)域社會經(jīng)濟發(fā)展所起的作用 。2、分析導致珠江三角洲工業(yè)化和城市化快速推進的諸多思想束縛，并通過比較，認識到對外開放政策是其中的關(guān)鍵因素。3、 比較珠江三角 洲的 區(qū)工業(yè)化進程的兩個主要階段，歸納出不同時期的主要發(fā)展特點，并能夠結(jié)合具體案例分析工業(yè)化進程對城市化的巨大推動。 4、分析珠江三角洲地區(qū)工業(yè)化和城市化進程中的問題，并嘗試評價目前的一些調(diào)整措施和發(fā)展方向。5、通過分析我國珠江三角 洲地區(qū)工 業(yè)化、城市化的發(fā)展階段、問題與對策，了解區(qū)域工業(yè)化和城市化的推進動力和發(fā)展規(guī)律。過程與方法 利用扮演不同的社會角色來談對珠江三角洲地區(qū)未來經(jīng)濟和城鎮(zhèn)發(fā)展的設(shè)想和建議，反饋學生知識、能力、價值觀發(fā)展情況和效果， 培養(yǎng)學生對所學所得的運用能力，并為學生的創(chuàng)新精神的發(fā) 展營造有利氛圍。情感、態(tài)度與價值觀1、通過鼓勵學生主動獲 取資料的做法，關(guān)注學生實踐能力、綜合思維能力及終身學習能力的訓練。
人教版新課標高中物理必修2功率教案2篇
1．用CAI課件模擬汽車的啟動過程。師生共同討論：①如果作用在物體上的力為恒力，且物體以勻速運動，則力對物體做功的功率保持不變。此情況下，任意一段時間內(nèi)的平均功率與任一瞬時的瞬時功率都是相同的。②很多動力機器通常有一個額定功率，且通常使其在額定功率狀態(tài)工作（如汽車），根據(jù)P=FV可知：當路面阻力較小時，牽引力也小，速度大，即汽車可以跑得快些；當路面阻力較大，或爬坡時，需要比較大的牽引力，速度必須小。這就是爬坡時汽車換低速擋的道理。③如果動力機器在實際功率小于額定功率的條件下工作，例如汽車剛剛起動后的一段時間內(nèi)，速度逐漸增大過程中，牽引力仍可增大，即F和v可以同時增大，但是這一情況應以二者乘積等于額定功率為限度，即當實際功率大于額定功率以后，這種情況不可能實現(xiàn)。