過(guò)渡:在實(shí)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(jì)規(guī)律呈現(xiàn),而是更具復(fù)雜性。這說(shuō)明除了經(jīng)濟(jì)因素外,還有很多其他因素在起作用,請(qǐng)大家結(jié)合你的認(rèn)識(shí)、圖2.9和案例1:紐約市的少數(shù)民族區(qū)談?wù)勀愕目捶ā#?)其他因素I收入——形成不同級(jí)別住宅區(qū)的常見(jiàn)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(jí)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(jì)方面具有很高的聲譽(yù),這往往會(huì)吸引更多新的住宅或商場(chǎng)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(gè)種族或宗教團(tuán)體占優(yōu)勢(shì),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(jì)可以維持久遠(yuǎn),早期的土地利用方式對(duì)日后的功能分區(qū)有著深遠(yuǎn)的影響。
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(guò)程復(fù)雜,工序繁多,往往需要經(jīng)過(guò)多家工廠的加工才能完成一種產(chǎn)品的生產(chǎn)過(guò)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(gè)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(dāng)?shù)亓畠r(jià)的勞動(dòng)力,形成了空間利用上的工業(yè)聯(lián)系。我國(guó)許多地方的經(jīng)濟(jì)技術(shù)開(kāi)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(lái),形成工業(yè)集聚現(xiàn)象。2.工業(yè)集聚可獲得效應(yīng)(1)工業(yè)集聚可以加強(qiáng)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(yùn)輸費(fèi)用和能源消耗,進(jìn)而降低生產(chǎn)成本,提高生產(chǎn)效率和利潤(rùn),取得規(guī)模效益。
1.國(guó)家石油價(jià)格上漲,導(dǎo)致依賴于國(guó)際石油而建立起來(lái)的日本重化工業(yè)的制造成本提高,產(chǎn)品價(jià)格相應(yīng)提高,削弱了日本重化工產(chǎn)品在國(guó)際市場(chǎng)上的競(jìng)爭(zhēng)力。2.日元 的大幅度升值,意味著日本產(chǎn)品在國(guó)際市場(chǎng)上的價(jià)格大幅度提高。例如,同樣的日本產(chǎn)品,如果原來(lái)在國(guó)際市場(chǎng)上賣(mài)1美元,日元升值1倍后其在國(guó)際市場(chǎng)上的售價(jià)就達(dá)2美元。所以,以國(guó)際市場(chǎng)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(chǎng)滿足不了發(fā)展需求,國(guó)際市場(chǎng)上亞洲發(fā)展中國(guó)家和地區(qū)的同類(lèi)產(chǎn)品具有明顯的價(jià)格優(yōu)勢(shì)。所以,日本企業(yè)在其國(guó)內(nèi)發(fā)展的空間很小。4.勞動(dòng)力價(jià)格高反映為產(chǎn)品的價(jià)格高,而勞動(dòng)力數(shù)量又滿足 不了企業(yè)進(jìn)一步擴(kuò)展對(duì)勞動(dòng)力的需求。所以,日本從事傳統(tǒng)產(chǎn)業(yè)的國(guó)內(nèi)企業(yè)生產(chǎn)受勞動(dòng)力價(jià)格和數(shù)量的雙重制約。5.促進(jìn)日本企業(yè)生產(chǎn)的區(qū)位選擇向國(guó)土的南、北部和海外擴(kuò)展。6.“技術(shù)立國(guó)”的政策明顯對(duì)傳統(tǒng)產(chǎn)業(yè)在國(guó)內(nèi)生產(chǎn)不利,即企業(yè)生產(chǎn)要么向知識(shí)技術(shù)密集型轉(zhuǎn)換(這需要大量的投資),要么轉(zhuǎn)向海外。
知識(shí)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(duì)區(qū)域社會(huì)經(jīng)濟(jì)發(fā)展所起的作用 。2、分析導(dǎo)致珠江三角洲工業(yè)化和城市化快速推進(jìn)的諸多思想束縛,并通過(guò)比較,認(rèn)識(shí)到對(duì)外開(kāi)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(jìn)程的兩個(gè)主要階段,歸納出不同時(shí)期的主要發(fā)展特點(diǎn),并能夠結(jié)合具體案例分析工業(yè)化進(jìn)程對(duì)城市化的巨大推動(dòng)。 4、分析珠江三角洲地區(qū)工業(yè)化和城市化進(jìn)程中的問(wèn)題,并嘗試評(píng)價(jià)目前的一些調(diào)整措施和發(fā)展方向。5、通過(guò)分析我國(guó)珠江三角 洲地區(qū)工 業(yè)化、城市化的發(fā)展階段、問(wèn)題與對(duì)策,了解區(qū)域工業(yè)化和城市化的推進(jìn)動(dòng)力和發(fā)展規(guī)律。過(guò)程與方法 利用扮演不同的社會(huì)角色來(lái)談對(duì)珠江三角洲地區(qū)未來(lái)經(jīng)濟(jì)和城鎮(zhèn)發(fā)展的設(shè)想和建議,反饋學(xué)生知識(shí)、能力、價(jià)值觀發(fā)展情況和效果, 培養(yǎng)學(xué)生對(duì)所學(xué)所得的運(yùn)用能力,并為學(xué)生的創(chuàng)新精神的發(fā) 展?fàn)I造有利氛圍。情感、態(tài)度與價(jià)值觀1、通過(guò)鼓勵(lì)學(xué)生主動(dòng)獲 取資料的做法,關(guān)注學(xué)生實(shí)踐能力、綜合思維能力及終身學(xué)習(xí)能力的訓(xùn)練。
三、指導(dǎo)第一段的背誦,點(diǎn)撥理解句意,強(qiáng)調(diào)關(guān)鍵詞語(yǔ),注重文言基礎(chǔ)知識(shí)教學(xué)。過(guò)程中要讓學(xué)生反復(fù)讀背。背誦線索:時(shí)間——地點(diǎn)——事件——人物——環(huán)境——活動(dòng)——天氣——感覺(jué)。時(shí)間:永和九年,歲在癸丑,暮春之初。地點(diǎn):會(huì)于會(huì)稽山陰之蘭亭。事件:修稧事也。人物:群賢畢至,少長(zhǎng)咸集。環(huán)境:此地有崇山峻嶺,茂林修竹;又有清流激湍,映帶左右?;顒?dòng):引以為流觴曲水,列坐其次。雖無(wú)絲竹管弦之盛,一觴一詠,亦足以暢敘幽情。天氣:是日也,天朗氣清,惠風(fēng)和暢。感覺(jué):仰觀宇宙之大,俯察品類(lèi)之盛,所以極視聽(tīng)之娛,信可樂(lè)也。四、學(xué)生自讀背誦5分鐘。五、抽一至二名學(xué)生試背課文,教師可作必要的線索提示。第二課時(shí)一、聽(tīng)名家示范朗誦,學(xué)生小聲跟讀。二、復(fù)習(xí)鞏固第一自然段的閱讀背誦。三、朗讀、解析第二自然段,理解文章“由敘入感”的寫(xiě)作結(jié)構(gòu)。
教學(xué)設(shè)想:本節(jié)課的主題是“生命之綠,璞玉心靈”,用圈點(diǎn)批注法解讀愛(ài)綠的感情,讓學(xué)生在批注中明確“綠”的象征意義,而不只是結(jié)論的傳遞。同時(shí)借助于閱讀、感受和理解把握作者對(duì)綠的認(rèn)識(shí)是不斷升華的,由一般對(duì)生命希望之綠的喜愛(ài),到與綠交往后被它的不畏強(qiáng)暴,永遠(yuǎn)向陽(yáng)的精神所折服,最后在特定的時(shí)代背景下綠在作者的心目中已經(jīng)成了我們民族不屈精神的象征。讓學(xué)生評(píng)中求解,評(píng)中悟情,評(píng)中明理,評(píng)中品味。教學(xué)進(jìn)程:一、導(dǎo)語(yǔ)上節(jié)課我們學(xué)習(xí)了朱自清的《綠》,初步了解了讀書(shū)動(dòng)筆的基本方法,這節(jié)課我們繼續(xù)用圈點(diǎn)批注的方法來(lái)學(xué)習(xí)陸蠡的散文《囚綠記》。二、釋題師:看標(biāo)題,囚綠之“綠”在文中具體指什么?(一株常春藤)“囚”就是囚禁的意思,那題目就是記述囚禁綠色常春藤的經(jīng)過(guò)。三、圈點(diǎn)、把握情節(jié)作者為什么要囚綠呢?文中除了寫(xiě)“囚綠”之外,還寫(xiě)了哪些有關(guān)綠的意念和行動(dòng)?帶著這樣的質(zhì)疑用自己喜歡的方式朗讀課文,請(qǐng)同學(xué)們?nèi)c(diǎn)出疑難字詞,或結(jié)合書(shū)下注釋,或同學(xué)合作解決,解決不了的,可提出來(lái)我們共同解決。標(biāo)注段落節(jié)次。勾畫(huà)出表現(xiàn)作者對(duì)綠意念和行動(dòng)的句子。
(一)上片:描寫(xiě)杭州的自然風(fēng)光和都市的繁華“東南形勝,三吳都會(huì),錢(qián)塘自古繁華”,“東南形勝”,是從地理?xiàng)l件、自然條件著筆寫(xiě)的。杭州地處東南,地理位置很重要,風(fēng)景很優(yōu)美,故曰:“形勝”?!叭齾嵌紩?huì)”,是從社會(huì)條件著筆寫(xiě)的。它是三吳地區(qū)的重要都市,那里人眾薈萃,財(cái)貨聚集,故曰:“都會(huì)”?!板X(qián)塘自古繁華”,這一句是對(duì)前兩句的總結(jié),因?yàn)楹贾菥哂羞@些特殊條件,所以“自古繁華”。下面就對(duì)“形勝”、“都會(huì)”和“自古繁華”進(jìn)行鋪敘?!盁熈?huà)橋,風(fēng)簾翠幕,參差十萬(wàn)人家”是對(duì)“三吳都會(huì)”的展開(kāi)描寫(xiě)。“云樹(shù)繞堤沙。怒濤卷霜雪,天塹無(wú)涯”是對(duì)“東南形勝”的展開(kāi)描寫(xiě)。這里選擇了錢(qián)塘江岸和江潮兩種景物來(lái)寫(xiě)。“市列珠璣,戶盈羅綺,競(jìng)豪奢”是對(duì)“錢(qián)塘自古繁華”的展開(kāi)描寫(xiě)。描寫(xiě)了兩個(gè)方面:一是商業(yè)貿(mào)易情況——“市列珠璣”,只用市場(chǎng)上的珍寶,代表了商業(yè)的豐富、商業(yè)的繁榮;二是衣著情況——“戶盈羅綺”,家家披羅著錦?!案?jìng)豪奢”,又總括杭州的種種繁華景象。
The activity topic of this section is "report an ongoing event", and the structure is the passive voice of present continuous tense. Rare wild animals are suffering from large-scale poaching, and species are on the brink of danger. Rescue operations are underway. "Being" and "suffering" are the meanings of the present progressive passive voice.The usage of present progressive passive voice is of great importance in writing a good discourse and appreciating some difficult language items, so it is vital to master it and use it flexibly in a context.1. Motivate Ss to deepen the understanding of the usage of present progressive passive voice in a fixed context.2. Enable Ss to master the usage of present progressive passive voice and use it flexibly in a context.3. Lead Ss to construct sentences or appreciate sentences used master it and use it flexibly in a context.1. Help students to appreciate the function of the usage of present progressive passive voice in a sentence2. Instruct students to write essays using the proper usage of present progressive passive voice.Look at the picture and tell me what are workers doing? What is the house being done?
The theme of this unit is human and nature, focusing on the theme of wildlife protection. Nature is a complex ecosystem, in which there are delicate balance between animals and plants. Because of the role of the food chain, the extinction of one species will produce influence, causing a series of chain reaction. Large scale extinction of species will have a serious and even irreversible impact on the ecosystem, resulting in immeasurable losses. Therefore, it is of great significance to protect wild species. To protect wild species is to protect human beings themselves. The motto of this unit is "when the buying stops, the killing can too,” which is a public service advertising slogan to protect wildlife. It tells people that every rhinoceros horn, every fur, every bowl of shark fin soup, every Ivory product, and every tiger bone product, etc. consumed by human beings, are innocent wild animals slaughtered behind them. The mission of wild aid is to ban illegal trade in endangered wildlife and mitigate climate change. It aims to educate the public to reduce the consumption demand for endangered wildlife products through public publicity and improve the awareness of environmental protection.1. Improve the awareness of wildlife protection by acquiring the knowledge of wildlife protection.2. Focus on environmental protection and protection of all lives.3. Analysis of the living environment of wild animals with appropriate thinking mode.4. Skillfully use the vocabulary and grammar knowledge of this unit to cultivate self-study ability according to the unit content5. Develop cooperative learning ability through discussion and other ways1. Enable the Ss to talk about the current situation of wild animals.2. Guide the Ss to summarize the main idea of each paragraph as well as the main idea of the text.
From the pictures in the text and the title--- choose the best app, we can know that this part is about how to save money by using apps.Step 2 While-listening1. Laura and Xiao Bo are talking about apps. Listen to their conversation and find out what apps they want.Xiao Bo is looking for a(n) exercise app to help him get in shape.Laura would like an app for getting rich and another that will make her grades better.2. Listen again. Are the sentences true T or false F?1). Both of Xiao Bo's apps keep track of the steps he takes._____2). Xiao Bo's second app can help him make a fitness plan._____3). Laura needs an app that will help her get discounts.______4). Laura needs an app that will add money to her bank account._______F T F T3. Listen once more and tick the sentence you hear. Underline the words used to express predictions, guesses, and beliefs.Predictions, Guesses, and Beliefs________It might help me walk more.________My guess is that it wouldn't work.________I imagine this app would help me get fit faster________I suppose that would be good.________I guess you could save a little with this app.________I suppose there would be some problems, too.________I believe this app could help me get thinner.
Paragraph 3. Jan decided to start an IT club to teach old people how to use computers and the Internet. Paragraph 4. Jan has started taking online classes to learn more about how to use the Internet to make society better. Paragraph 5. Jan’s life has been greatly improved by the Internet. Step 5: Critical thinking:(1)How do you arrange your time spent on study and the Internet? Is it reasonable? I usually surf the Internet using my mobile phone for only an hour after class, and it is reasonable for me.(2)What are your online activities? Are they safe? I chat with my friends, read news and play games. I never give away my private information so I think they are safe.Step 4: summary Much has been written about the wonders of the World Wide Web. There are countless articles (1)______(tell) us how the Internet has made our lives more convenient. But the Internet has done a lot (2)_____(much) for people than simply make life more convenient. People’s lives (3) _________________(change) by online communities and social networks so far. Take Jan for example, who developed a serious illness that made her (4)_____(stick) at home with only her computer to keep (5)___(she) company. She joined an online group (6)______ 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)_______(benefit). She was so inspired (8)____ 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)___ children in poor countries. Jan’s life has been (10)______(great) improved by the Internet. Step 5 Homework:Review what we have learned and find out the key language points in the text.
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(guò)去分詞作定語(yǔ)時(shí)的意義1.及物動(dòng)詞的過(guò)去分詞作定語(yǔ),在語(yǔ)態(tài)上表示被動(dòng);在時(shí)間上,常表示動(dòng)作已經(jīng)發(fā)生或完成,有時(shí)也不表示時(shí)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(shí)驗(yàn),最后給了我們一個(gè)滿意的微笑。The plan put forward at the meeting will be carried out soon.會(huì)上提出的計(jì)劃將很快被執(zhí)行。2.不及物動(dòng)詞的過(guò)去分詞作定語(yǔ),它不表示被動(dòng)意義,只強(qiáng)調(diào)動(dòng)作完成。Many little kids like gathering fallen leaves in the yard.
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.
Step1:自主探究。1.(教材P52)Born(bear) in the USA on 2 January 1970, Whitacre began studying music at the University of Nevada in 1988.2.(教材P52) Moved(move) by this music, he said, “It was like seeing color for the first time.”3.(教材P56)I was very afraid and I felt so alone and discouraged(discourage).4.(教材P58)Encouraged(encourage) by this first performance and the positive reaction of the audience, I have continued to play the piano and enjoy it more every day.Step2:語(yǔ)法要點(diǎn)精析。用法1:過(guò)去分詞作表語(yǔ)1).過(guò)去分詞可放在連系動(dòng)詞be, get, feel, remain, seem, look, become等之后作表語(yǔ),表示主語(yǔ)所處的狀態(tài)Tom was astonished to see a snake moving across the floor.湯姆很驚訝地看到一條蛇正爬過(guò)地板。Finally the baby felt tired of playing with those toys.終于嬰兒厭倦了玩那些玩具。注意:1).過(guò)去分詞作表語(yǔ)時(shí)與被動(dòng)語(yǔ)態(tài)的區(qū)別過(guò)去分詞作表語(yǔ)時(shí),強(qiáng)調(diào)主語(yǔ)所處的狀態(tài);而動(dòng)詞的被動(dòng)語(yǔ)態(tài)表示主語(yǔ)是動(dòng)作的承受者,強(qiáng)調(diào)動(dòng)作。The library is now closed.(狀態(tài))圖書(shū)館現(xiàn)在關(guān)閉了。The cup was broken by my little sister yesterday.(動(dòng)作)昨天我妹妹把杯子打碎了。2)感覺(jué)類(lèi)及物動(dòng)詞的現(xiàn)在分詞與過(guò)去分詞作表語(yǔ)的區(qū)別過(guò)去分詞作表語(yǔ)多表示人自身的感受或事物自身的狀態(tài),常譯作“感到……的”;現(xiàn)在分詞多表示事物具有的特性,常譯作“令人……的”。
The Internet celebrity Gao Yifeng. Years ago, he owned 5 companies and the staffs over 1,000, but during the economy crisis, he became nothing but debt. He was so worried that his hair became white overnight. There was a time when he wanted to killed himself. But after listening to the song Start Over by Liu Huan, he decided to cheer himself up. He started a steamed bun shop and gradually became a national chain shops. Now he became successful again.Walter Haddon said, “Music is the medicine of a troubled mind.” Music contains such a pleasant and inspiring force. Music gave him courage and bravery. When he listened to the song, it made his spirit fly like a kite in the wind. Music gave him strength and brought him relief. It was the rock I leant on to become strong and to get through those hard times. I hope none of us have to go through the same kind of suffering that he did. At the same time, we all go through various periods when we feel sad or alone. During those times, music can help us in the same way that it helped him. I hope we all will somehow begin to treasure music and make it a part of our life. Thank you for your listening !5.Revise your writing each other.Does he/she explain how music has changed his/her/someone else’s life?Are some of the rhetorical devices included and used properly ?Does he/she talk about how music makes him/her/someone feel?Is the first word in each sentences capitalised?Does he/she use correct punctuation ?
本章通過(guò)學(xué)習(xí)用二分法求方程近似解的的方法,使學(xué)生體會(huì)函數(shù)與方程之間的關(guān)系,通過(guò)一些函數(shù)模型的實(shí)例,讓學(xué)生感受建立函數(shù)模型的過(guò)程和方法,體會(huì)函數(shù)在數(shù)學(xué)和其他學(xué)科中的廣泛應(yīng)用,進(jìn)一步認(rèn)識(shí)到函數(shù)是描述客觀世界變化規(guī)律的基本數(shù)學(xué)模型,能初步運(yùn)用函數(shù)思想解決一些生活中的簡(jiǎn)單問(wèn)題。1.了解函數(shù)的零點(diǎn)、方程的根與圖象交點(diǎn)三者之間的聯(lián)系.2.會(huì)借助零點(diǎn)存在性定理判斷函數(shù)的零點(diǎn)所在的大致區(qū)間.3.能借助函數(shù)單調(diào)性及圖象判斷零點(diǎn)個(gè)數(shù).?dāng)?shù)學(xué)學(xué)科素養(yǎng)1.數(shù)學(xué)抽象:函數(shù)零點(diǎn)的概念;2.邏輯推理:借助圖像判斷零點(diǎn)個(gè)數(shù);3.數(shù)學(xué)運(yùn)算:求函數(shù)零點(diǎn)或零點(diǎn)所在區(qū)間;4.數(shù)學(xué)建模:通過(guò)由抽象到具體,由具體到一般的思想總結(jié)函數(shù)零點(diǎn)概念.重點(diǎn):零點(diǎn)的概念,及零點(diǎn)與方程根的聯(lián)系;難點(diǎn):零點(diǎn)的概念的形成.
這五個(gè)問(wèn)題,主要從學(xué)情出發(fā),由淺入深,從感知到理論,培養(yǎng)學(xué)生的鑒賞能力。第三環(huán)節(jié):延伸探究、展示成果(多媒體顯示)走出文本,引入課外同類(lèi)文學(xué)現(xiàn)象,讓學(xué)生能夠觸類(lèi)旁通,舉一反三,把教材作為一個(gè)例子,讓學(xué)生在深入的文學(xué)鑒賞中再次獲得語(yǔ)言的審美。同學(xué)們初步掌握了文學(xué)語(yǔ)言具有暗示性的性質(zhì)后,還需鞏固、提升鑒賞能力!這里我采取的方法是:引導(dǎo)學(xué)生認(rèn)真閱讀文本,經(jīng)小組合作探究后,得出本組的鑒賞成果并加以展示,這里重在培養(yǎng)學(xué)生的理解能力和分析綜合能力。問(wèn)題是:1、 請(qǐng)結(jié)合下面三首詞的意境,選用殘紅、落紅、亂紅填空。2、 閱讀下面這些句子,理解“燕”在詞語(yǔ)中的暗示意義。該環(huán)節(jié)充分體現(xiàn)了 “ 教師為主導(dǎo),學(xué)生為主體”的原則。老師的適時(shí)點(diǎn)撥,讓學(xué)生的鑒賞思路更加清晰。學(xué)生通過(guò)合作探究,理解能力和分析綜合能力得到了提升。
一、說(shuō)教材《說(shuō)“木葉”》這篇文學(xué)論文位于統(tǒng)編版高中語(yǔ)文必修下冊(cè)第三單元。本單元對(duì)應(yīng)課程標(biāo)準(zhǔn)的學(xué)習(xí)任務(wù)群是“實(shí)用性閱讀與交流”,人文主題是“探索與創(chuàng)新”,語(yǔ)文素養(yǎng)是“學(xué)習(xí)閱讀知識(shí)性讀物,理清文章思路,學(xué)習(xí)闡釋說(shuō)明、邏輯推理的方法,體會(huì)語(yǔ)言的嚴(yán)謹(jǐn)準(zhǔn)確,發(fā)展科學(xué)思維”?!墩f(shuō)“木葉”》提出了中國(guó)古典詩(shī)歌為何用“‘木葉’而不用‘樹(shù)葉’、又由‘木葉’發(fā)展為‘落木’的疑問(wèn)”,繼而分析了“木”字的兩個(gè)藝術(shù)特征,解決了上述疑問(wèn),闡發(fā)了中國(guó)古典詩(shī)歌語(yǔ)言的暗示性。二、說(shuō)學(xué)情高一年級(jí)下學(xué)期的學(xué)生已經(jīng)接觸過(guò)不少實(shí)用性論說(shuō)類(lèi)文本,例如統(tǒng)編版九年級(jí)上冊(cè)《論教養(yǎng)》《談創(chuàng)造性思維》等文章。本學(xué)段的學(xué)生已經(jīng)掌握了“論點(diǎn)、論據(jù)、論證”的相關(guān)知識(shí),并且發(fā)展了一定的邏輯思維能力,這為《說(shuō)“木葉”》的講授提供了學(xué)習(xí)支架。但《說(shuō)“木葉”》這篇文學(xué)論文,篇幅長(zhǎng)達(dá)三千字,使用了專業(yè)術(shù)語(yǔ),運(yùn)用大量詩(shī)詞舉例,這些是給學(xué)生閱讀造成困難的原因。
[設(shè)計(jì)說(shuō)明]:只給出情景故事,感知了一個(gè)大數(shù),這樣還不能引起學(xué)生對(duì)大數(shù)的深刻認(rèn)識(shí),所以再給出宇宙星空中的這些大數(shù),讓學(xué)生讀讀、看看這些數(shù),引起學(xué)生強(qiáng)烈的認(rèn)知上的沖突,形成一種心理上的想讀、想寫(xiě)的求知欲望。(二)、引出問(wèn)題、探索新知在上面的例子中,我們遇到了幾個(gè)很大的數(shù),看起來(lái)、讀起來(lái)、寫(xiě)起來(lái)都不方便,有沒(méi)有簡(jiǎn)單的表示法呢?分以下步驟完成。1、回憶100 ,1000,10000,能寫(xiě)成10( )2、300=3×100=3×10( )3000=3×1000=3×10()30000=3×10000=3×10()3、再由學(xué)生完成上面4個(gè)例子中的數(shù)的表示。(學(xué)生對(duì)160 000 000 000這個(gè)數(shù)可能表示為、16×1010,教師要利用學(xué)生這種錯(cuò)誤,強(qiáng)調(diào)a的范圍)4、教師給出科學(xué)記數(shù)法表示:a×10( )(1≤a<10)。[設(shè)計(jì)說(shuō)明]:通過(guò)層層遞進(jìn)的探究設(shè)計(jì),啟發(fā)學(xué)生成功地發(fā)現(xiàn)“科學(xué)記數(shù)法”的表示方法,同時(shí)又通過(guò)學(xué)生示錯(cuò),讓學(xué)生記住a的范圍,體現(xiàn)了以學(xué)生為主的探究式教學(xué)。
將蠟燭點(diǎn)燃請(qǐng)一幼兒用玻璃杯罩住,觀察有什么現(xiàn)象發(fā)生?幼兒作答,把碎紙屑放在桌子上,幼兒分組:用手在周?chē)縿?dòng),觀察紙屑的變化。讓幼兒感受我們的周?chē)錆M了空氣,只是我們看不見(jiàn)它。反思:本活動(dòng)讓幼兒對(duì)實(shí)驗(yàn)中發(fā)生的現(xiàn)象產(chǎn)生興趣,在實(shí)驗(yàn)中讓幼兒反復(fù)玩,使幼兒在操作;探索的基礎(chǔ)上獲得經(jīng)驗(yàn),玻璃杯中沒(méi)有空氣,外面的空氣就會(huì)把水壓入杯中卡紙就被吸住,水不會(huì)倒出來(lái)。同時(shí)我在這課添加了用杯子去蓋點(diǎn)燃的蠟燭,一下蠟燭就滅了??諝饪梢灾С秩紵_@樣吸引幼兒的注意,目的是通過(guò)豐富多彩的活動(dòng),為幼兒建立一個(gè)探索、嘗試與交流的平臺(tái)。,幼兒容易理解。在活動(dòng)中我運(yùn)用了啟發(fā)提問(wèn)法,觀察發(fā)現(xiàn)法,引導(dǎo)發(fā)現(xiàn)法,實(shí)驗(yàn)操作法。幼兒通過(guò)猜謎語(yǔ)——尋找空氣——試驗(yàn)操作的教學(xué)環(huán)節(jié),讓抽象的自然想象變得具體化了,課堂氣氛很活躍,突出了活動(dòng)的重難點(diǎn),通過(guò)科學(xué)探索活動(dòng),豐富幼兒的生活經(jīng)驗(yàn),利用簡(jiǎn)單的科學(xué)實(shí)驗(yàn)使幼兒感知空氣的存在,也是這次活動(dòng)的亮點(diǎn),讓幼兒理解我們的生活離不開(kāi)空氣??諝鉄o(wú)處不在,只要有空隙的地方就有空氣。也培養(yǎng)了幼兒的認(rèn)知能力。