Ⅰ. Teaching Aims and Demands1. Knowledge Objects(1) Key Vocabularyoversleep(2) Target LanguageWhat happened?I overslept. And by the time I got up, my brother had already gotten in the shower.2. Ability Objects(1) Teach the students to use the new words.(2) Train the students to narrate past events with the Past Perfect Tense.(3) Train the students' listening and speaking skills with the target language.3. Moral ObjectIt’s a good habit to go to bed early in the evening and get up early in the morning. So you’ll never be in a hurry in the morning.Ⅱ. Teaching Key Points1. Key Vocabularyoversleep2. Target LanguageNarrate past events with the Past Perfect TenseⅢ. Teaching Difficult Points1. Train the students to narrate past events with the Past Perfect Tense.2. Train the students to understand the target language in spoken conversation.Ⅳ. Teaching Methods1. Thinking of examples from the students' real lives.2. Making sentences by looking at the pictures.Ⅴ. Teaching AidA tape recorderⅥ. Teaching ProceduresStep I Revision1. Revise the language points in Unit 8.Ask some questions like this: What volunteer work would you like to do?Help the students to answer, I’d like to…/I love to…/I hope to2. Practice the dialogue in Activity 3c on page 62 again. Get students to role play the similar dialogues with the following.
1. 教材分析本單元以how do things affect you?為話題, 從顏色、天氣、音樂、廣告、產(chǎn)品等方面談?wù)摿送饨缡挛锶绾斡绊懭说男那椤R髮W(xué)生掌握表達(dá)某物或某事給人帶來的感覺、看法或影響等。共設(shè)計了四個部分的內(nèi)容:Section A 該部分有4個模塊:第一模塊圍繞Which restaurant would you like to go to?這一話題展開思維(1a)、聽力(1b)、口語(1c)訓(xùn)練;第二模塊圍繞How does music affect you? 進(jìn)行聽力(2a-2b)、口語訓(xùn)練(2c);第三模塊繼續(xù)圍繞how do colors in the restaurant affect you這一話題展開訓(xùn)練,訓(xùn)練形式為閱讀和問題體驗(yàn)(3a)和小組活動(3b);第四模塊仍就How do things affect you這一話題以調(diào)查的形式展開討論。Section B該部分有4個模塊:第一模塊圍繞產(chǎn)品廣告對人們的影響這一話題以“配對”(1a)與“列舉”(1b)兩種形式展開訓(xùn)練;第二模塊繼續(xù)圍繞How do things affect you? 進(jìn)行聽力(2a-2b)、口語對話訓(xùn)練(2c);第三模塊圍繞“Advertising”這一話題展開閱讀(3a-3b)和寫作(3c)訓(xùn)練;第四模塊圍繞How posters affect you這一話題以口語訓(xùn)練形式展開小組活動。
教學(xué)目標(biāo):1. 掌握本單元一些重點(diǎn)詞匯的寫法和用法。2. 學(xué)會自如談?wù)摬妥蓝Y儀。Step 1 RevisionAsk some students to retell the customs at the table in France in the passage in 3a.Step 2 Self checkPart 1. Fill in each bland with the correct word given. Students do the exercises by themselves at first. Then check the answers. Ask the students to comprehend the sentences and help them point out uses of some words, like “arrive (at / in) sw., spend time / money on sth , spend time / money (in) doing sth.”Part 2. Read about Fan Ling’s experience in a western restaurant. Understand the passage. Point out some key points in the passage.1. be / get used to doing sth. 習(xí)慣做某事2. begin with = start with 以….開頭3. crowd v. 擠滿,塞滿 the crowd 人群 crowded adj. 擁擠的Then students discuss about how she would solve her problem. Ask some to share their stories with others.Part 3. Complete the crossword by looking at the sentences on the left. Then check the answers.
在這一單元中,學(xué)生要學(xué)會就有關(guān)人與物之間所屬關(guān)系進(jìn)行問答的句子。本單元大量引入有關(guān)運(yùn)動的名詞,要求學(xué)生彼此詢問有無此類物品,并做出相應(yīng)的回答。 同時學(xué)習(xí)表示建議的句型Let’s運(yùn)動的形容詞。 本單元所選用的話題來自學(xué)生所喜歡的生活片段,在教學(xué)中生生交流、師生交流會更融洽,會促進(jìn)師生彼此間的了解,成功的教學(xué)還會讓部分學(xué)生養(yǎng)成良好的運(yùn)動習(xí)慣和收藏習(xí)慣。 教學(xué)目標(biāo) 1) 語言知識:A.在詢問對方是否有某物的對話中學(xué)會使用do和does引導(dǎo)的一般疑問句; B. 學(xué)會使用描述性的形容詞來評價事物; C. 學(xué)會在對話中使用名詞復(fù)數(shù); D. 學(xué)會用祈使句來向?qū)Ψ教岢鼋ㄗh. 2) 語言技能:A. 學(xué)會用祈使句詢問某人是否有某物; B. 學(xué)會向他人提出建議的句子. 3) 學(xué)習(xí)策略:A.通過與同學(xué)討論,做出猜測;
個性練習(xí)設(shè)計 閱讀廣告:在日常生活中,人們?nèi)ベI東西之前,一般要閱讀廣告,從廣告中獲取該商品的一些有用信息,包括價格、性能等。所以給學(xué)生提供有些商品的廣告或讓學(xué)生去商店去閱讀一些商品的廣告,從中獲取商品的價格,即可以鍛煉學(xué)生的閱讀能力,又能提高實(shí)踐能力。 Self Check 教學(xué)內(nèi)容 Self Check(教材P42) 教學(xué)目標(biāo) 知識與能力 復(fù)習(xí)詞匯pant,sock,T-shirt,sweater,shoes,color,black,white,red,green,blue,big,short,long,數(shù)字10--31; 學(xué)習(xí)詞匯Zig Zag,clothes,shop,yellow,ask,which;學(xué)會談?wù)摲b的價格、顏色、大小和長短;學(xué)會填寫價格標(biāo)簽。 過程與方法 運(yùn)用Summarizing和Classifying的學(xué)習(xí)策略。在復(fù)習(xí)教學(xué)中,運(yùn)用聽寫、繪畫、互相詢問調(diào)查與檢測等手段,促使學(xué)生不斷地使用所學(xué)內(nèi)容,從而提高他們靈活運(yùn)用知識的能力。 情感態(tài)度價值觀 該部分學(xué)習(xí)內(nèi)容主要是復(fù)習(xí)談?wù)摲b的價格和顏色以及對服裝的喜好,能引起學(xué)生的共鳴;通過購物的對話練習(xí)教學(xué)生學(xué)會購物時使用的禮貌用語和如何感謝人。
Teaching Goal:1. General aims:Talk about recent past events2. Particular aims:A. Language Focus.Talk about recent past events and think of the past events.B. Language goalsHow was….?It was …What did …do over the weekend?C. Language structures:(1). How was your weekend? I was great. Pay attention to no form.(2). What did you do over the weekend? I played soccer. We went to the beach.D. Useful words and phrases:Words: was, did, went, beach, over, project, test, wasn’t, false, number, geography, spend, week, most, mixture, their, had, little, cook, read, saw, change, everyone, sit, sat, no, anythingPhrases: did one’s homework, played soccer, cleaned my room, went to the beach, played tennis, went to the movies, on Saturday morning, over the weekend, cook … for, what about, do some reading, have a party, talk show, go shoppingE. Grammar language:Present simple past tenseRegular and irregular verbsF. Learning strategies:Tour and holidaysG. Interdiscipinary:H. Emotion and manner:Teaching time: 5 periodsTeaching procedures:Period One教學(xué)步驟、時間 教師活動 學(xué)生活動 媒體應(yīng)用Step 1Free talk 3’ Ask some questions like:Who’s on duty today?What’s the weather like? Answer and talk about something.讓同學(xué)們回答下列問題1. Do you like weekend? (Let some students answer)It takes them three minutes to talk about the question.2. Why do you like weekend? (let the students answer) Most of the students like the weekend此時教師用漢語問:“在周末期間問你干了什么?這句話用英語這么回答?Let the students guess.At last the teacher give them right answer3. What did you do over the weekend?(板書、學(xué)習(xí))
所需要用到的句子:Who is that?That is Jack. I like him.Why do you like him?I like him because he is interesting.Task 4: 設(shè)計理想中的人類Step one: 設(shè)計理想中的人類的外貌。把全班同學(xué)分成若干小組,學(xué)生可以邊說邊在紙上畫出他們的模樣。Step two: 設(shè)計理想中人類的性格。學(xué)生們可以把那些能描述性格的單詞寫在圖畫的旁邊。Step three: 每組選出一名同學(xué),其他同組同學(xué)提問,他作簡單回答,并說明原因。所需用到的句子:What does he or she look like?He or she ...What is he or she like?He or she is ...Why?Because ...Task 5: 挑戰(zhàn)性活動調(diào)查性格是天生的還是后天形成的,讓每個同學(xué)回家去調(diào)查一下自己成長過程中性格是否有變化,具體是怎樣的,為什么會這樣? Teaching Aims:1. Enable students to have a general understanding of how to talk about people's physical appearance.2. Enable students to tackle some essential vocabularies and patterns about describing people. Provide them with necessary skills and methods.3. Create various chances for students to describe the persons they're familiar with, such as classmates, family members, teachers, idols, etc.
一、知識和能力目標(biāo)本單元的核心教學(xué)內(nèi)容是“認(rèn)物”。用英語確認(rèn)周圍的常見事物比較符合英語初學(xué)者的實(shí)際情況。通過本單元教學(xué),使學(xué)生運(yùn)用所學(xué)句型,去熟悉周圍事物的名稱;教學(xué)生學(xué)會在實(shí)際生活中如何確認(rèn)事物。通過辨認(rèn)物體,學(xué)生學(xué)到一些生詞,并鞏固所學(xué)句型。二、過程和方法目標(biāo)教師要盡量使學(xué)生對課文中出現(xiàn)的句型能夠熟練上口,這樣,學(xué)生才能順利開展比較靈活的對話。教師可以用手勢,表情,動作等示意,幫助學(xué)生聽懂課堂教學(xué)內(nèi)容,但在實(shí)際操作中應(yīng)盡量避免“明知故問”的傾向,應(yīng)該采用應(yīng)用性原則;如:遮蓋物品、顯露局部、辨認(rèn)物體、完形識別、圖形辨認(rèn)等方法。三、情感態(tài)度和價值觀目標(biāo)目標(biāo)在學(xué)生學(xué)習(xí)過程中的作用至關(guān)重要,教師要幫助他們建立起一個切合自己實(shí)際的目標(biāo),通過漸進(jìn)的學(xué)習(xí)以及一點(diǎn)一滴的進(jìn)步,使他們逐步建立起成功感。成功越多,自信心就越強(qiáng)。
教學(xué)過程Step 1: warming-up Sing a song---------“food and drink” Step 2: Revision1 Dictation2 Revise: What kind of noodles would you like?I’d like …What size bowl of noodles would you like?I’d like…Step 3: Presentation1 show pictures of food, ask students say the words.2 Students read the newspaper ad in 3a. Fill in blanks with words in the box. Then read the ad together, the teacher explains some difficult language points.3 Check the answers Step 4 PracticeAsk students to finish 3b in the same way according to 3a. Students read the short passage and fill in the blanks .At last, check the answers.Step 5 productionAsk students to write their own ad for dumplings, noodles, drinks, and other foods they know. Then ask students to read their partner’s ad. Then order food and drink from their partner.Step 6 Home workGroup work – make an ad about “food and drink”
1 Each group choose one place to describe and what you are doing in it Choose one place, and describe what they are doing 2 Move around the room and give suggestions Talk about it and write it down 3 Ask one to show their works and act it Choose one of each group to make a report 4 Evaluate the best group and the best reporter Choose the best one Homework Ask your friends their ideal place and write about it教學(xué)反思:新課程標(biāo)準(zhǔn)中強(qiáng)調(diào)學(xué)生在課堂中的主體地位,在綜合課中他們的主體地位就更加突出。在各個活動中給不同程度的學(xué)生不同層次的任務(wù),讓各層面的學(xué)生都有表現(xiàn)發(fā)揮的機(jī)會,從而產(chǎn)生對英語的興趣。使用照片圖片多媒體來輔助教學(xué),效果更好。同時讓了解其他國家風(fēng)景,風(fēng)俗的同學(xué)介紹ideal place,增加學(xué)生的背景知知識,實(shí)現(xiàn)跨學(xué)科交流的目的。教案點(diǎn)評:采用任務(wù)型教學(xué)模式,在各個活動中給不同程度的學(xué)生不同層次的任務(wù),讓各層面的學(xué)生都有表現(xiàn)發(fā)揮的機(jī)會,從而產(chǎn)生對英語的興趣。使用照片圖片多媒體來輔助教學(xué),效果更好。讓了解其他國家風(fēng)景,風(fēng)俗的同學(xué)介紹ideal place,增加學(xué)生的背景知識,實(shí)現(xiàn)跨學(xué)科交流的目的。
2.1Match the country with the language.Step II Reading3a? let the students read the letter fast and answer the questions.? Let the students ask more questions about the letter as possible as the can.Step III Writing3b.Step IV. Pairwork2cStep V Listening2a, 2bStep V. HomeworkExercises book(1) P3Exercises book (2) P3Period FourStep I . Dictate the words and sentences in Unit1.Step II. Self-checkStep III. Check the answers for Exercises book in the unit.Step IV. Home workRevise and preparation for unit 2.教學(xué)反思:通過本單元的學(xué)習(xí),學(xué)生基本可以談?wù)撊藗兊膰?,居住城市及其所說的語言,通過書信方式去介紹自己并尋找筆友。但在涉及到國外的一些城市時,學(xué)生對這方面的知識相對欠缺,能介紹的城市并不多,也反應(yīng)出學(xué)生課前預(yù)習(xí)不充分,這跟學(xué)生學(xué)習(xí)條件也有關(guān),大多數(shù)學(xué)生無法通過網(wǎng)絡(luò)獲取所需信息。因此,在以后的教學(xué)中要多指導(dǎo)學(xué)生通過計算機(jī)網(wǎng)絡(luò)獲取信息,拓寬知識面。
句型: Where did you go on vacation? I went to summer camp.Did she go to Central Park?Yes,she did.No, she didn’t語法:一般過去時特殊疑問句、一般疑問句及肯、否定回答。課時安排4課時第一課時:Section A:la,1b,lc,2a,2b,2c 第二課時:Section A:3a,3b,4第三課時:Section B:1,2a,2b,2c第四課時:Section B:3a,3b,3c,4 and Self Check第一課時教學(xué)目標(biāo)掌握描寫假期生活的形容詞。假期里自己所做事情的簡單表達(dá)。談?wù)摷倨谧龅氖虑榧爱?dāng)時情況。談?wù)摷倨跁r旅游的天氣,旅游者以及食物等。教學(xué)過程一、導(dǎo)入播放一首英文歌曲:Let’s travel 說明:通過讓學(xué)生聽節(jié)奏歡快迪斯尼英語歌曲Let’s travel.引入本節(jié)課談?wù)摰脑掝}vacation and travel. 讓歌曲使學(xué)生的思維活躍,增強(qiáng)課堂氣氛,激發(fā)學(xué)生提高學(xué)習(xí)英語的興趣。T:How is the trip ?Ss : It’s pretty good/ happy/exciting /relaxing/busy/dangerous/ fantastic說明:這個問題是為了操練形容詞。建議讓多個Ss作答。鼓勵他們用不同的形容詞。上述個別形容詞本應(yīng)在第二課時中出現(xiàn),但可以在warming-up中第一次非正式出現(xiàn)。這些形容詞也可在老師的評價語中適時出現(xiàn),以加深學(xué)生對詞匯的印象。
Step 3 (3b)First, tell the students when we talk about our future plans, we often use: I’m+verb+ing When we talk about what we must do, we use have to. Ask the students to fill in the blanks in 3b. The answers are: shopping, go to see, a test, I’m going, my family. Step 4 (3c)Let the students write an e-mail message to a friend. Say why you can’t visit next. Before the exercise, ask the students to give some possible answers and write them on the blackboard. So the students will feel easy to finish the writing exercise. After they finish it, Let them to correct it in groups first. Each group chooses theirs best one to read in front of the whole class. Step 5 ( planning a party )First read the conversation in the box together. Then ask the students to turn to page 88.Write down everything you have to do next week. Write in all the things you have to do . Ask the students to look at the list. Ask them “What day are you free?” This is when you can have your party. Step 6 (Self check 1 )Let the students to fill in the blanks with the words given. Change the forms of the words if possible. Then make their own sentences. The answers are: visit, playing, have to, study, comeStep 7 (Self check 2)Imagine you are Marie. Read the information and look at your schedule. Write replies to the invitation.
一、 教學(xué)內(nèi)容Section A 1a----1c二、 教學(xué)目標(biāo)1.學(xué)習(xí)詞匯do the dishes, make the bed, take out the trash, fold the clothes, do the laundry, sweep the floor, clean the living room.2.句型 Could you please clean your room? Yes, sure.三、 教學(xué)準(zhǔn)備 學(xué)生預(yù)習(xí)本單元所有的詞匯多媒體課件 活動表 獎品四、 教學(xué)過程Pre-task1. Warming upEnjoy ourselves. Watch cartoon Cinderella. 看動畫片段《灰姑娘》導(dǎo)如入本課話題和新詞匯“chores”美麗善良的鬼姑娘因繼母的嫉妒,每天得做所有的家務(wù)。片段的主題使學(xué)生聯(lián)想到本課的話題。2. learn new words and phrasesLook! What is she / he dong? 看圖學(xué)習(xí)動詞詞組do chores, do the dishes, make the bed, take out the trash, fold the clothes, do the laundry, clean the living room.3. Guessing game.What is she doing ? 4. Pair work. 1a, Do you do these things at home? Write “Y” for “yes” and “N” for “no”.5. Listening . 1b , Peter’s chores or Mom’s chores?理解目標(biāo)語Could you please clean your room? Yes, sure.Write “M” for Mom’s chores, “P” for Peter’s chores in the chart.6. PairworkLook at the picture,Ask your partner to do the chores that you see. 7. Interview Who is the most able at home? 1) What chores do you do at home? How often do you do the chores? Work in four, interview each of the students in the group, fill in the chart.
Step Ⅶ Role play ( Work on 1b)1. First ask two students to read the dialogue to the class.Sa: How do you get to school?Sb: Well, I ride my bike to the subway station. Then I take the subway.2. Now work with a partner.Suppose you use two kinds of transportation to get to school \Hangzhou\Beijing... (bus, train, subway, walking, bike, etc.) Tell how you get there. You may use the phrases in 1a.3. Then ask different pairs of students to present their conversations to the class.Step ⅧListening1. Work on 2a(1) First ask students to read the list of information that Thomas wants to know.…where Nina lives.…h(huán)ow far from school she lives.…h(huán)ow long it takes to get to school.…h(huán)ow she gets to school.…what she thinks of the transportation.(2) Tell students what transportation and bus stop mean.bus stop 汽車站 transportation n. 運(yùn)送;運(yùn)輸Then tell students we'll hear a recording. Please put a checkmark in front of each thing that Thomas wants to know.(3) Now play the recording for students.( Have students pay attention to the sample answer.) (4) Then correct the answers.
Teaching goals : 1. Words & phrases: babysit ,get back , fishing , rent , think about , decide(on) , tourist etc. 2. How to talk about future plans . 3. 現(xiàn)在進(jìn)行時表示將來計劃或行動. 4. 特殊疑問句(where , when , how long引導(dǎo)) Important and difficult points : Drills :What are you doing for vacation ? I’m watching TV . When are you going ? I’m going … . How long are you staying ? We’re staying for five days . Teaching aids : cards and a tape ,a large wall calendar . Period 1 Teaching procedures : Step 1Leading in1. Free talk . 2. Put up the wall calendar . T: I’m staying home on Saturday (pointing to next Saturday ).Ss repeat . Ss: I’m staying home on Saturday . T: OK. Today we’ll learn how to talk about future plans. Step 2Pre-task SB Page 13 , 1a . 1. Look at the picture carefully and tell what you see in the picture . 2. Write the activities from the pictures in the box and add some more . 3. Practice reading . Step 3While-task1. Using the activities we write in 1a to make conversations .For example :What are you doing for vacation ? I’m visiting my uncle . 2. Pairwork .Practice in pairs . 3. 用第三人稱練習(xí)對話.
教學(xué)目標(biāo)1.知識目標(biāo):(1)學(xué)習(xí)What are you going to be when you grow up?/How are you going to do that?句式。(2)學(xué)會用英語描述有關(guān)職業(yè)的表達(dá)法。2.能力目標(biāo):(1)能夠談?wù)摓閷?shí)現(xiàn)理想所做出的打算和安排。(2)能夠談?wù)撐磥碜约号c他人理想的職業(yè)及原因。(3)能用英語描述課余時間的活動安排,最終具備表達(dá)綜合信息的能力。3.情感目標(biāo):新學(xué)期到來之際,讓他們在學(xué)習(xí)、體育、飲食、特長、讀書等方面制定計劃,教育學(xué)生合理安排自己的課外生活,思考自己的理想職業(yè)及適合自己的職業(yè)。教學(xué)重點(diǎn)、難點(diǎn)本單元的重點(diǎn)為“be going to”表將來,want to be, what,where, when,how引導(dǎo)的特殊疑問句。難點(diǎn)是語言目標(biāo)的實(shí)現(xiàn)。教材分析本單元以I am going to be a basketball player為話題,共設(shè)計了三部分的內(nèi)容:一、Section A該部分有4個模塊。第一模塊圍繞Do you think these jobs are interesting?這一話題展開思維(1a)、聽力(1b)、口語(1c)訓(xùn)練;
(1)Have you ever been to …? Yes, I have. / Yes, I have ever been to …No, I haven’t. / No, I have never been to …(2)When did you go there? I went there last year. (3)I have never been to a water park. Neither have I. I have ever been to an amusement park. So have I. (4)How long have you been studying English? I’ve been studying English since nine o’clock. I’ve been studying English since I came back home. I’ve been studying English for five hours. (5)What’s that? It’s an amusement park in Japan. I’ve never been to an amusement park like it before. It’s fun to learn another language. Let’s go tonight. Isn’t this great?space museum, amusement park, water park, South America, Peru, Holland, European culture, tour guide, flight attendant, musical instrument, more than, be from, get to, take lessons, neither, discover, graduate, change
1 交通工具的比較此活動為小組活動。學(xué)生通過討論找出到達(dá)某一城市可乘坐的各種交通工具,并選擇最佳出行方式。Teacher:We’re going to Shanghai. How many ways can we use to get there? Yes, there are four ways: by bus, by plane, by train, by ship. Please discuss how you are going to get there.操作建議:(1)學(xué)生以小組為單位展開活動,談?wù)摫窘M所選擇的交通工具。(2)各組選代表向全班匯報,闡述本組所選擇的交通工具的利和弊。完成任務(wù)所需要的語言結(jié)構(gòu):We can go there by ship. It’s more comfortable and cheaper than any other transportation.We can go there by bus. It’s cheaper but it takes longer time.2 哪個城市更合適?此活動具有挑戰(zhàn)性。假設(shè)中國要舉行2014年世界杯足球賽,分別從歷史,人文,天氣等方面對各城市(北京,大連,上海,昆明)進(jìn)行比較,選擇最佳舉辦城市。T: Imagine China is holding the 2014 FIFA World Cup. Which city do you think is the best for the World Cup, Beijing, Dalian, Shanghai or Kunming? Let’s work in groups. If you choose Beijing, please join the Team Red. If you chose Dalian, please join the Team White. If you choose Shanghai, please join the Team Blue. If you choose Kunming, please join the Team Green. Please show us its advantages. Then let’s see which team will win.
教學(xué)重點(diǎn)和難點(diǎn):運(yùn)用所掌握的語言描述,比較不同地點(diǎn)的特點(diǎn)。在練習(xí)中學(xué)習(xí)掌握英語比較級和最高級的用法。課前準(zhǔn)備分配小組,每組五至六人。通過上網(wǎng)或翻閱報刊雜志等方法,確定旅游線路,做出基本的旅游計劃。教學(xué)設(shè)計:本節(jié)課流程圖 學(xué)法指導(dǎo):1.由于這是一堂新課,在教學(xué)中應(yīng)注意面向全體,發(fā)揮學(xué)生的主體性,引導(dǎo)學(xué)生積極參與,激發(fā)學(xué)生的求知欲和學(xué)習(xí)積極性,指導(dǎo)學(xué)生積極思維,主動獲取知識,養(yǎng)成良好的學(xué)習(xí)方法。逐步學(xué)會獨(dú)立解決問題??傊M可能調(diào)動學(xué)生的非智力因素促進(jìn)智力因素的發(fā)展。教法選擇:1.電化教學(xué)法2.課堂討論法3.任務(wù)型教學(xué)法采用這些方法的目的是為了充分調(diào)動學(xué)生的學(xué)習(xí)積極性,使學(xué)生變被動學(xué)習(xí)為主動學(xué)習(xí)。通過電腦形象的演示,加強(qiáng)印象,提高興趣,突破難點(diǎn),提高教學(xué)效率,進(jìn)而增大教學(xué)的容量和信息量。充分體現(xiàn)教師為主導(dǎo),學(xué)生為主體的教學(xué)原則。