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新人教版高中英語必修3Unit 5 The Value of Money-Reading for Writing教學設計二
2. 您能看到, 我頭發(fā)太長了。You can see that my hair is much too long.3. 無論什么時候, 只要您想回來就回來。Please come back whenever you want.4. 您僅有很少的頭發(fā)要理! You only have too little hair to cut !5. 為您服務是我的榮幸！It is my honour to serve you!Step 9 Writing(Henry is walking down the street when he sees a sign for a place that cuts hair. He decides to have it cut. )H=Henry B=BarberH: Good afternoon, I’d like to have my hair cut, if I may. (The barber looks at Henry’s hair and continues cutting another man’s hair. ) Er, I’d really like a haircut. As you can see it’s much too long. B: (in a rude manner) Yes, I can see that. Indeed, I can. H: Fine, well, I’ll have a seat then. (He sits in one of the barber’s chairs. The barber turns to look at Henry. )B: It’s quite expensive here, you know! Are you sure you can afford it?H: Yes. I think so. (After his hair is cut, the barber tells Henry how much he must pay. Henry shows the barber the bank note. )B: Why Mr. . . (looks shocked)H: Adams. Henry Adams. I’m sorry. I don’t have any change. B: Please don’t worry! (wearing a big smile) Nothing to worry about! Nothing at all! Please come back whenever you want, even if you only have too little hair to cut! It will be my honour to serve you!Step 10 Pair workExchange drafts with a partner. Use this checklist to help your partner revise his/her draft.1. Are all the elements of a play included and in good order ?2. Do the character use suitable language ?3. Are the stage directions clear and useful ?4. Is the plot clear and exciting enough ?
新人教版高中英語必修3Unit 5 the value of money-Reading For Writing教學設計一
【參考范文】Narrator：(Henry is smiling as he leaves the restaurant. As he is walking down the street, he sees a sign for a place that cuts hair. He decides to get it cut. )H＝Henry；B＝Barber；R＝rude manH：Good afternoon, I'd like to get a cut, if I may. (The barber looks at Henry's hair and continues cutting another man's hair. )Er, I'd really like a haircut. As you can see it's much too long. B：(in a rude manner) Yes, I can see that. Indeed, I can. H：Fine, well I'll have a seat then. (He sits in one of the barber's chairs. The barber turns to look at Henry. )B：It's quite expensive here, you know！Are you sure you can afford it?H：Yes. I think so. (In comes the rude man. )R：Hey you there. I need a haircut quickly. Can you do me straightaway?B：All right, then, get in the chair and I'll see what I can do. R：Thank you. (sits down in one of the barber's chairs)H：Excuse me, but I was here first. Aren't you going to do my hair first?B：This man's in a hurry. H：Well so am I！I insist that you cut my hair first. B：OK, but I'll have to be quick. This gentleman is waiting. H：Thank you. (They both become quiet. After his hair is cut, the barber tells Henry how much he must pay. Henry shows the barber the bank note. )B：Why, Mr . . . (looks shocked)H：Adams. Henry Adams. I'm sorry, I don't have any change. R：You're that Mr Adams! Well，I'm glad I waited or I might never have known it was you. B：Why, Mr Adams, please don't worry！(wearing a big smile) Nothing to worry about！Nothing at all!Please come back any time, even if you only need too little hairs cut！It will be my honour to serve you!
新人教版高中英語選修2Unit 1 Science and Scientists-Discovering useful structures教學設計
The grammatical structure of this unit is predicative clause. Like object clause and subject clause, predicative clause is one of Nominal Clauses. The leading words of predicative clauses are that, what, how, what, where, as if, because, etc.The design of teaching activities aims to guide students to perceive the structural features of predicative clauses and think about their ideographic functions. Beyond that, students should be guided to use this grammar in the context apporpriately and flexibly.1. Enable the Ss to master the usage of the predicative clauses in this unit.2. Enable the Ss to use the predicative patterns flexibly.3. Train the Ss to apply some skills by doing the relevant exercises.1.Guide students to perceive the structural features of predicative clauses and think about their ideographic functions.2.Strengthen students' ability of using predicative clauses in context, but also cultivate their ability of text analysis and logical reasoning competence.Step1: Underline all the examples in the reading passage, where noun clauses are used as the predicative. Then state their meaning and functions.1) One theory was that bad air caused the disease.2) Another theory was that cholera was caused by an infection from germs in food or water.3) The truth was that the water from the Broad Street had been infected by waste.Sum up the rules of grammar:1. 以上黑體部分在句中作表語。2. 句1、2、3中的that在從句中不作成分，只起連接作用。 Step2: Review the basic components of predicative clauses1.Definition
新人教版高中英語選修2Unit 4 Journey Across a Vast Land教學設計
當孩子們由父母陪同時，他們才被允許進入這個運動場。3．過去分詞(短語)作狀語時的幾種特殊情況(1)過去分詞(短語)在句中作時間、條件、原因、讓步狀語時，相當于對應的時間、條件、原因及讓步狀語從句。Seen from the top of the mountain (＝When it is seen from the top of the mountain), the whole town looks more beautiful.從山頂上看，整個城市看起來更美了。Given ten more minutes (＝If we are given ten more minutes), we will finish the work perfectly.如果多給十分鐘，我們會完美地完成這項工作。Greatly touched by his words (＝Because she was greatly touched by his words), she was full of tears.由于被他的話深深地感動，她滿眼淚花。Warned of the storm (＝Though they were warned of the storm), the farmers were still working on the farm.盡管被警告了風暴的到來，但農(nóng)民們仍在農(nóng)場干活。(2)過去分詞(短語)在句中作伴隨、方式等狀語時，可改為句子的并列謂語或改為并列分句。The teacher came into the room, followed by two students (＝and was followed by two students)．后面跟著兩個學生，老師走進了房間。He spent the whole afternoon, accompanied by his mom(＝and was accompanied by his mom)．他由母親陪著度過了一整個下午。
新人教版高中英語選修2Unit 1 Science and Scientists-Learning about Language教學設計
Step 7: complete the discourse according to the grammar rules.Cholera used to be one of the most 1.__________ (fear) diseases in the world. In the early 19th century, _2_________ an outbreak of cholera hit Europe, millions of people died. But neither its cause, 3__________ its cure was understood. A British doctor, John Snow, wanted to solve the problem and he knew that cholera would not be controlled _4_________ its cause was found. In general, there were two contradictory theories 5 __________ explained how cholera spread. The first suggested that bad air caused the disease. The second was that cholera was caused by an _6_________(infect) from germs in food or water. John Snow thought that the second theory was correct but he needed proof. So when another outbreak of cholera hit London in 1854, he began to investigate. Later, with all the evidence he _7_________ (gather), John Snow was able to announce that the pump water carried cholera germs. Therefore, he had the handle of the pump _8_________ (remove) so that it couldn't be used. Through his intervention，the disease was stopped in its tracks. What is more, John Snow found that some companies sold water from the River Thames that __9__________________ (pollute) by raw waste. The people who drank this water were much more likely _10_________ (get) cholera than those who drank pure or boiled water. Through John Snow's efforts, the _11_________ (threaten) of cholera around the world saw a substantial increase. Keys： 1.feared 2.when 3. nor 4.unless 5.that/which 6.infection 7.had gathered 8.removed 9.was polluted 10.to get 11. threat
新人教版高中英語選修2Unit 1 Science and Scientists-Reading and thinking教學設計
Step 5： After learning the text, discuss with your peers about the following questions:1.John Snow believed Idea 2 was right. How did he finally prove it?2. Do you think John Snow would have solved this problem without the map?3. Cholera is a 19th century disease. What disease do you think is similar to cholera today?SARS and Covid-19 because they are both deadly and fatally infectious, have an unknown cause and need serious public health care to solve them urgently.keys:1. John Snow finally proved his idea because he found an outbreak that was clearly related to cholera, collected information and was able to tie cases outside the area to the polluted water.2. No. The map helped John Snow organize his ideas. He was able to identify those households that had had many deaths and check their water-drinking habits. He identified those houses that had had no deaths and surveyed their drinking habits. The evidence clearly pointed to the polluted water being the cause.3. SARS and Covid-19 because they are both deadly and fatally infectious, have an unknown cause and need serious public health care to solve them urgently.Step 6: Consolidate what you have learned by filling in the blanks:John Snow was a well-known _1___ in London in the _2__ century. He wanted to find the _3_____ of cholera in order to help people ___4_____ it. In 1854 when a cholera __5__ London, he began to gather information. He ___6__ on a map ___7___ all the dead people had lived and he found that many people who had ___8____ (drink) the dirty water from the __9____ died. So he decided that the polluted water ___10____ cholera. He suggested that the ___11__ of all water supplies should be _12______ and new methods of dealing with ____13___ water be found. Finally, “King Cholera” was __14_____.Keys: 1. doctor 2. 19th 3.cause 4.infected with 5.hit 6.marked 7.where 8.drunk 9.pump 10.carried 11.source 12.examined 13.polluted 14.defeatedHomework: Retell the text after class and preview its language points
新人教版高中英語選修2Unit 1 Science and Scientists-Using langauge教學設計
This happens because the dish soap molecules have a strong negative charge, and the milk molecules have a strong positive charge. Like magnets, these molecules are attracted to each other, and so they appear to move around on the plate, taking the food coloring with them, making it look like the colors are quickly moving to escape from the soap.Listening text:? Judy: Oh, I'm so sorry that you were ill and couldn't come with us on our field trip. How are you feeling now? Better?? Bill: Much better, thanks. But how was it?? Judy: Wonderful! I especially liked an area of the museum called Light Games.it was really cool. They had a hall of mirrors where I could see myself reflected thousands of times!? Bill: A hall of mirrors can be a lot of fun. What else did they have?? Judy: Well, they had an experiment where we looked at a blue screen for a while, and then suddenly we could see tiny bright lights moving around on it. You'll never guess what those bright lights were!? Bill: Come on, tell me!? Judy: They were our own blood cells. For some reason, our eyes play tricks on us when we look at a blue screen, and we can see our own blood cells moving around like little lights! But there was another thing I liked better. I stood in front of a white light, and it cast different shadows of me in every color of the rainbow!? Bill: Oh, I wish I had been there. Tell me more!? Judy: Well, they had another area for sound. They had a giant piano keyboard that you could use your feet to play. But then, instead of playing the sounds of a piano, it played the voices of classical singers! Then they had a giant dish, and when you spoke into it, it reflected the sound back and made it louder. You could use it to speak in a whisper to someone 17 meters away.? Bill: It all sounds so cool. I wish I could have gone with you? Judy: I know, but we can go together this weekend. I'd love to go there again!? Bill: That sounds like a great idea!
新人教版高中英語選修2Unit 2 Bridging Cultures-Discovering useful structures教學設計
The grammar of this unit is designed to review noun clauses. Sentences that use nouns in a sentence are called noun clauses. Nominal clauses can act as subject, object, predicate, appositive and other components in compound sentences. According to the above-mentioned different grammatical functions, nominal clauses are divided into subject clause, object clause, predicate clause and appositive clause. In this unit, we will review the three kinds of nominal clauses. Appositive clauses are not required to be mastered in the optional compulsory stage, so they are not involved.1. Guide the students to judge the compound sentences and determine the composition of the clauses in the sentence.2. Instruct students to try to learn grammar by generalizing grammar rules, controlling written practice, and semi-open oral output.3. Inspire the students to systematize the function and usage of noun clause1.Instruct students to try to learn grammar by generalizing grammar rules, controlling written practice, and semi-open oral output.2.Inspire the students to systematize the function and usage of noun clauseStep1: The teacher ask studetns to find out more nominal clauses from the reading passage and udnerline the nominal clauses.
新人教版高中英語選修2Unit 3 Food and Culture-Discovering useful structures教學設計
The newspaper reported more than 100 people had been killed in the thunderstorm.報紙報道說有一百多人在暴風雨中喪生。(2)before、when、by the time、until、after、once等引導的時間狀語從句的謂語是一般過去時，以及by、before后面接過去的時間時，主句動作發(fā)生在從句的動作或過去的時間之前且表示被動時，要用過去完成時的被動語態(tài)。By the time my brother was 10, he had been sent to Italy.我弟弟10歲前就已經(jīng)被送到意大利了。Tons of rice had been produced by the end of last month. 到上月底已生產(chǎn)了好幾噸大米。(3) It was the first/second/last ... time that ...句中that引導的定語從句中，主語與謂語構成被動關系時，要用過去完成時的被動語態(tài)。It was the first time that I had seen the night fact to face in one and a half years. 這是我一年半以來第一次親眼目睹夜晚的景色。(4)在虛擬語氣中，條件句表示與過去事實相反，且主語與謂語構成被動關系時，要用過去完成時的被動語態(tài)。If I had been instructed by him earlier, I would have finished the task.如果我早一點得到他的指示，我早就完成這項任務了。If I had hurried, I wouldn't have missed the train.如果我快點的話，我就不會誤了火車。If you had been at the party, you would have met him. 如果你去了晚會，你就會見到他的。
新人教版高中英語選修2Unit 3 Food and Culture-Reading and thinking教學設計
The discourse explores the link between food and culture from a foreign’s perspective and it records some authentic Chinese food and illustrates the cultural meaning, gerography features and historic tradition that the food reflects. It is aimed to lead students to understand and think about the connection between food and culture. While teaching, the teacher should instruct students to find out the writing order and the writer’s experieces and feelings towards Chinese food and culture.1.Guide the students to read the text, sort out the information and dig out the topic.2.Understand the cultural connotation, regional characteristics and historical tradition of Chinese cuisine3.Understand and explore the relationship between food and people's personality4.Guide the students to use the cohesive words in the text5.Lead students to accurately grasp the real meaning of the information and improve the overall understanding ability by understanding the implied meaning behind the text.1. Enable the Ss to understand the structure and the writing style of the passage well.2. Lead the Ss to understand and think further about the connection between food and geography and local character traits.Step1: Prediction before reading. Before you read, look at the title, and the picture. What do you think this article is about?keys:It is about various culture and cuisine about a place or some countries.
新人教版高中英語選修2Unit 5 First Aid-Discovering useful structures教學設計
You have no excuse for not going.你沒有理由不去。He was punished for not having finished his homework.他因未完成作業(yè)而受到懲罰。2．動詞ing形式復合結構由物主代詞或人稱代詞賓格、名詞所有格或普通格加動詞ing，即“sb./sb.'s＋doing”構成。動詞ing形式的復合結構實際上是給動詞ing形式加了一個邏輯主語。動詞ing形式的復合結構有四種形式：①形容詞性物主代詞＋動詞ing②名詞所有格＋動詞ing③代詞賓格＋動詞ing④名詞＋動詞ingHer coming to help encouraged all of us.她來幫忙鼓舞了我們所有人。The baby was made awake by the door suddenly shutting.這個嬰兒被突然的關門聲吵醒了。Can you imagine him/Jack cooking at home?你能想象他/杰克在家做飯的樣子嗎？無生命名詞無論是作主語還是作賓語都不能用第②種形式。Tom's winning first prize last year impressed me a lot.湯姆去年得了一等獎使我印象深刻。Do you mind my/me/Jack's/Jack leaving now?你介意我/杰克現(xiàn)在離開嗎？Excuse me for my not coming on time．很抱歉我沒能按時來。His father's being ill made him worried.他父親病了，他很擔心。We are looking forward to the singer's/the singer to give us a concert.我們盼望著這位歌手來給我們舉辦一場演唱會。
人教版高中地理必修2第四章第三節(jié)傳統(tǒng)工業(yè)區(qū)與新工業(yè)區(qū)說課稿
下面是對以高技術產(chǎn)業(yè)為主的新工業(yè)區(qū)的內容進行講解，教材以美國“硅谷”為例，首先談的是高技術工業(yè)的特點，然后講述的是“硅谷”的發(fā)展條件，由于教學模式與意大利新工業(yè)區(qū)的內容基本一致，這里就不再贅述了。接下來教材中提到的與之對照的案例同樣是以高技術產(chǎn)業(yè)而聞名的中關村，由于中關村在國內的知名度較高，一般學生都有所了解，因此不妨讓學生談談自己的看法：對于高新技術產(chǎn)業(yè)的發(fā)展有何建議，相對于發(fā)展較為成功的“硅谷”我們需要學習的方面又是哪些？案例中最后一個問題很值得深省，我國的新工業(yè)區(qū)到底怎樣做才能夠獲得成功，簡單的模仿下我們缺少的又是什么？這個問題可以作為拓展，讓學生寫一篇簡短的論文作為課后作業(yè)。最后做以簡單的課堂小結。本節(jié)內容的教學可能會相對繁雜，而案例之間的分析過程又過于雷同，所以難免枯燥。在處理這個問題上，我將盡量做到詳略得當，主要培養(yǎng)學生的自主學習能力。
人教版新課標高中物理必修1力的合成說課稿3篇
① 實驗設計將學生分組，利用桌上的器材進行探究（幻燈片展示）這個實驗難度較大，為了降低難度，為實驗探究鋪下第二臺階，要求學生先分小組討論以下問題（幻燈片展示）有些學生可能不知如何下手，我會要求學生先閱讀課本中的實驗描述從中得到一點提示，再讓一兩個小組同學回答，這樣既體現(xiàn)了學生學習的主體性又可提高學生自主思考和語言表達能力，之后我再進行補充完善（幻燈片展示答案），并用幻燈片把實驗步驟展示出來，在學生實驗過程一直保留，使學生能朝正確的方向進行猜想和操作，為實驗探究鋪下第三個臺階。② 實施探究在學生分組進行探究過程，教師巡視解惑，隨時觀察學生情況，解答學生提出的問題，還可用自言自語方式提示應注意的一些問題，如儀器的正確使用，操作的規(guī)范等，幫助學生盡量在規(guī)定時間內順利完成實驗。
人教版新課標高中物理必修1牛頓第三定律說課稿2篇
問：為什么會出現(xiàn)這樣的情況，男女生之間的拉力存在著怎樣的大小關系？進一步求證這兩個力的大小關系經(jīng)過共同討論，得方案：把兩個彈簧秤勾在一起，重現(xiàn)拔河比賽，分三種情況進行。（通過攝像頭把彈簧秤的讀數(shù)放大）兩彈簧稱勾在一起拉，處于靜止不動時（即拔河比賽，雙方處于僵持狀態(tài)）兩彈簧稱勾在一起拉，并向一方運動（即比賽繩子被拉向一方時的狀態(tài)）3、兩彈簧稱勾在一起拉，一方方向慢慢改變（兩力方向始終在一條直線上）實驗結論：兩彈簧稱的讀數(shù)的變化總是相同的，大小相等，方向相反。得到牛頓第三定律：追問：既然兩個力大小相等，那么拔河比賽為什么還存在勝負之分？講清作用力與反作用力作用的受力物體不同，并和學生討論如何做才會獲勝?；貞n前問題：“以卵擊石”為什么雞蛋碎？
人教版新課標高中物理必修1彈性形變和彈力說課稿
在同一個直角坐標，做出兩個不同彈簧的F—X圖象，然后進行比較。圖象法處理數(shù)據(jù)更為直觀，更容易得出物理變化規(guī)律，且該種方法處理數(shù)據(jù)能更好地減小實驗的偶然誤差。最后老師歸納總結：得出胡克定律：F=KX(K為彈簧的頸度系數(shù))[設計意圖：在探究彈力的大小與形變的定量關系時，由學生進行猜想、實驗和得出規(guī)律，并利用信息技術計算機繪制F—X圖象，充分利用信息技術資源和物理學科的整合。能較好地體現(xiàn)以學生為主的新的教學理念。對探究實驗過程教師加以指導，使學生學會團結合作、學會探究物理規(guī)律；再加上熟練信息技術，更有效地提高學習效率。]（五）彈力的應用（圖片，視頻播放：射箭）[設計意圖：讓學生知道產(chǎn)品設計離不開物理理論，做到從實踐到理論，再從理論到實踐的學習過程。]（六）開放式問題（視頻播放：撐桿跳高、跳水）；提出問題：通過本節(jié)內容的學習，請同學們開放式地討論①從形變與彈力知識去思考，撐桿跳高運動員跳得這么高的主要原因是什么？②跳水運動員在空中滯空時間主要由哪方面決定？
人教版新課標高中物理必修1伽利略對自由落體運動的研究說課稿
（三）反饋練習（5分鐘）1、伽利略研究速度與時間的關系時遇到那些困難？他是怎樣巧妙解決的？2、給出5分鐘讓學生閱讀課后的閱讀材料，體會伽利略一生中對科學和社會的重大貢獻。（四）課堂小結：教師將本節(jié)的學習目標投影到大屏幕上，和學生一起簡單的總結。（五）課后作業(yè)1、利用現(xiàn)代的測量儀器設計出一個研究自由落體運動規(guī)律的實驗，寫出需要的器材和實驗過程。2、請學生再總結出一些科學研究中常用的思路和方法。通過這兩個作業(yè)，進一步提高學生的科學研究的意識和素質。本設計所涉及到的科學研究方法：1、歸繆法——伽利略用亞里士多德的觀點推翻了翻亞里士多德的觀點。2、轉換法——伽利略用數(shù)學推理和斜面實驗間接證明他的假設。3、邏輯推理法——用數(shù)學方法推理出速度正比于時間則位移與時間二次方成正比。4、外推法——由斜面實驗外推至自由落體運動運動規(guī)律
人教版新課標高中物理必修1力學單位制說課稿
今天我說課的內容是人教版高中物理必修1第四章第四節(jié)《力學單位制》，我的說課內容將按下列程序展開。首先是本節(jié)教材的分析。一、說教材1、本節(jié)課在教材中的地位單位是學生在高考中最容易犯錯的地方之一，本節(jié)課內容貫穿整個物理學科的每部分。學好這部分內容對所有的自然學科都有幫助。2、教材簡析教材可分為：單位制等概念的來源和單位制的推廣。二、說教學目標：教學目標的設定是教師進行課堂授課的一個重要依據(jù)，是教師完成教學任務的鑒定標準。根據(jù)新課標要求和學生特點我對本節(jié)制定以下教學目標（1）了解什么是單位制，知道國際單位制中力學的三個基本單位。（2）認識單位制在物理學中和國際交往中的重要作用。（3）學會用單位運算來檢查物理公式推導的正確性，從而培養(yǎng)學生解決實際問題的能力。
人教版新課標高中物理必修1牛頓第二定律說課稿2篇
進一步引導學生思考利用數(shù)學知識可寫成等式F=kma學生很自然就會思考比列系數(shù)K應該是多少？通過教師引導學生舉例各國長度單位不同（如英國：英里、碼、英尺、英寸；中國：市里、市丈、市尺、市寸、市分 ）導致交流不便。為了適應各國交流需要國際計量局規(guī)定了一套統(tǒng)一的單位，稱為國際單位制 。取不同的單位制K是不同的，為了簡潔方便，在選取了質量和加速度的國際單位（Kg, m/s2)時規(guī)定K=1。那么就有；F=ma為了紀念牛頓，就把能使1kg物體獲得1m/s2加速度的力稱做一牛頓，用符號N表示問題：實際物體受力往往不止一個，多個力情況應該怎么辦呢？平行四邊形法則進一步引導學生得出牛頓第二定律更一般的表達式: F合=ma思考.討論我們用力提一個很重的箱子，卻提不動它。這個力產(chǎn)生了加速度嗎？要是產(chǎn)生了，箱子的運動狀態(tài)卻并沒有改變。為什么？
人教版新課標高中物理必修2經(jīng)典力學的局限性說課稿
回答“朝聞道夕死可矣”是哪位古人的名言，和我校的校園文化有何歷史淵源？同學們異口同聲地回答是“孔子”，并有自豪的表情。我感到本節(jié)課達到了預期效果。二、本節(jié)課的一些特點和成功之處：1、 從重知識的傳授轉向重能力的培養(yǎng)。注重了培養(yǎng)學生的想象能力、善于發(fā)現(xiàn)、觀察和審視美的能力、注重培養(yǎng)學生的質疑能力、以及類比推理能力。2、 注重物理課程的校本化、注重學科與校園文化、中國古代文化相融合。將屈原、孔子等人的思想與本節(jié)課所提倡的科學精神進行了恰當?shù)穆?lián)系。將中國古代樸素的時空觀如“天上一日，地上一年”、大家耳熟能詳?shù)摹耙晃m映世界、一剎那含永遠”等思想與愛因斯坦的“相對論”進行了類比。將中國古代的“太極圖”與哈勃望遠鏡拍攝的“渦旋星系”作類比，這不但能激發(fā)學生的想象力、類比能力，還能增強民族自豪感和對學校的熱愛。
人教版新課標高中物理必修1時間和位移說課稿2篇
研究一種物理現(xiàn)象，總是要先從現(xiàn)象的描述入手。機械運動作為自然界最簡單和最基本的運動形態(tài)，它所描述的是物體空間位置隨時間變化的情況。因此，本節(jié)學習描述質點做機械運動需要時刻、時間間隔和位移等概念。相當一部分高一學生在具體過程中難以區(qū)別時刻和時間間隔。另外，由于思維的定式，在第一次接觸既要考慮大小又要考慮方向的問題時，會因不適應造成學習困難。所以，區(qū)別“路程與位移”“時刻和時間間隔”是教學的重難點所在。學習這些內容的過程與方法對學習速度和加速度可以起到奠定基礎的作用。教學的對象是高一的學生，這一時期的學生處在好奇善問、創(chuàng)新意識強烈的青少年期。對于生活中出現(xiàn)的各種現(xiàn)象具有濃厚的興趣。但他們的思維還停留在簡單的代數(shù)運算階段，對于矢量和矢量運算的理性認識幾乎沒有。且對生活中出現(xiàn)的時間、時刻、時間間隔等不能做出很好的區(qū)分，對時常提及的路程、距離等形成了模糊的前概念。