人教版七年级英语下册unit3教案.doc

Unit 3 How do you get to school?Section A (1a-2d)一、教学目标： 1. 语言知识目标：1) 能掌握以下单词： train, bus, subway, ride, bike, sixty, seventy, eighty, ninety, hundred, far, minute, kilometer, new, every, every day 2) 能掌握以下句型： How do you get to school? I ride my bike. How does Mary get to school? She takes the subway. 2. Talk about how to get to places (谈论出行方式)take the bus /subway /train /taxi , ride a bike /walk .3. how引导的特殊疑问句，表示乘坐何种交通工具的方式。how far, how long 引导的特殊疑问句。4. 复习基数词及时间的表示方法。 二、教学重难点1. 教学重点：1) how /how far /how long 引导的特殊疑问句.2) 乘坐交通工具的表示方法.3) It takes / sb some time to do sth .2. 教学难点：How do you get to school? I take the /ride / walkHow does Mary get to school? She takes the subway.How long does it take? It takes forty minutes.How far is it from to Its kilometers. 三、教学过程. Warming-up and Lead in 学生和老师进行简单的问候Ss : Good morning , teacher.T: Good morning , classT: Look at the picture. What can you see? Do you like your school? I usually get to school by bike, but sometimes on foot . How do you get to school?Ss 按实际情况作答S1: I ride my bike. S2: I go by bus. S3: T: Very good. Youre clever. Lets learn Unit 4 Section A. 之后板书：“Unit 4 How do you get to school?”. Presentation1. T: If you are here, but your school is in Shanghai. How do you get to school?Ss: I take the bus /plane/ boat / ship / car / taxiI ride a bike / motorbikeT: Do you know any other way?2. Teacher shows pictures on the big screen .归纳出行方式和常用短语. Ask some questions about how you get to?(让学生积极主动的思考想象总结，多媒体增加趣味性，加强直观性，效果事半功倍)3. Show a picture about Part 1, on the screen. Point at girls or boys in the picture.Ask students to answer and write in the blanks. S1 : How does he / she go to school?S2 : He / She . 1a T: Look at the picture on your book. Match the words with the picture.(学生们完成1a的学习任务，然后校对答案). Listening 1. Make sure the Ss know what to do. Give them an example orally if possible.2. Read the names in the box.3. Play the tape and check the answers. Pair work Ask two students to read the dialogue in the speech bubbles to the class. Then ask students to work in pairs. Ask and answer how students get to school in the picture.Finally ask some pairs of students to present their conversations to the class. Listening 1. Revise the numbers, first, zeronine, next, tennineteen, then, twenty, thirty, fortyfinally, twenty-one, twenty-twoTeach the new word hundred.2. Play the tape for the students to finish 2a. Then play again and check the answers . Presentation Show a picture on the TV and explain these are your home and school.Teach: home-school How long 10 minutes How far two kilometersThen make up a dialogue to practice.A: How do you get to school?B: I usually take the bus.A: How far is it from your home to school?B: Its about two kilometers. A: How long does it take?B: It takes 30 minutes by bus. Listening 1. Tell Ss the following recording is about how Tom and Jane go to school. 2. First, listen to the recording fill in the first column. 3. Then, play the recording for the Ss again. Ss listen and complete the rest of the chart. 4. Check the answers. . Role-play 1. Read the dialogue and find the answer to these questions: How does Jane get to school? How far is it from home to school? How long does it take to get to school from her home? 2. Ss read the conversations and then find the answers to the questions.3. Check the answers with the class.4. Play the recording for the Ss to listen and repeat. 5. Ss read the conversation then role-play the conversation.6. Let some pairs act out the conversation. Homework Role-play the conversation after class. 教学反思：学生们初步掌握take的用法但不熟练，需加强练习和记忆。板书设计：Section A (1a-2d)1. How do you get to school? I ride my bike? How does Mary get to school? She takes the subway. 2. 表达“几十” 个位数字+ty twenty, thirty, 表达“几十几” 一定要用连字符 twenty-five, sixty-nine hundred one hundred, two hundred3. How does Jane get to school? How far is it from home to school? How long does it take to get to school from her home?Section A (Grammar Focus-3c)一、教学目标： 1. 语言知识目标：1) 继续练习谈论出行方式take the bus /subway /train /taxi, ride a bike /walk .2）用不同方式练习 how引导的特殊疑问句，表示乘坐何种交通工具的方式。how far, how long 引导的特殊疑问句。3）复习基数词及时间的表示方法。二、教学重难点1. 教学重点：1) how /how far /how long 引导的特殊疑问句.2) 乘坐交通工具的表示方法.3) It takes sb some time to do sth . 2. 教学难点：How do you get to school? I take the /ride / walkHow does Mary get to school? She takes the subway.How long does it take? It takes forty minutes.How far is it from to Its kilometers. 三、教学过程. Warming- up and revision1. Greet the Ss as usual. Then check the homework. 2. Go over the conversation in 2e. Grammar Focus. 1. 学生阅读Grammar Focus中的句子，然后做填空练习。 你如何到达学校？ _ 我骑自行车。_ 她如何到达学校？ _ 她乘公共汽车。_ 到达学校要花多长时间？_ 大约花费15分钟。_ 从你有到学校有多远？_ 仅约两公里。 _ 简步行去上学吗？_ 不，她骑自行车。 _ 他们乘公共汽车去上学吗？_ 不，他们步行。 _2. Ss check the answer with their partners.3. Give Ss six more minutes to try to remember the sentences. . Practice 1. Look at 3a. Tell Ss to match the sentences with the answers.2. 方法指导： 首先，应重点读左面的五个疑问句，分清它们是特殊疑问句还是一般疑问句；其次，要明确特殊疑问词的用法：how是对出行方式提问；how long是对行程所用的时间提问；how far是对距离提问。然后，再读答语。依次给每个问句找到正确的答语。3. 学生们按教师说的方法，认真阅读找答语，提高阅读理解的能力。4. Check the answers with the class. . Practice 1. Look at 3b. Tell Ss to use these words below to make questions. Then answer them. 2. 方法指导： 首先，应分清它们是特殊疑问句还是一般疑问句，看所给的词汇，如果含有特殊疑问词应是特殊疑问句，如果没有则应是一般疑问句；其次，要明确特殊疑问词的句式结构：特殊疑问词+ 一般疑问句。然后，再根据自己的实际情况，回答这些问题。最后，再通读一遍自己造的问句与答语，确保没有语法上的错误。3. 学生们按教师说的方法，分析每句话中所给的提示词，并造成一个正确的问句，然后给出一个合理的答语。4. Check the answers with the partners. For example: How do you get to school? I take a bus to school. . Game (Find someone who)1. Now, look at the chart below. Can you tell the meaning of each sentence?2. Let some Ss say the meaning of the sentences.3. Make sure Ss know how to do this game.4. Ss ask and answer these questions with their classmates: S1: How far is it from your home to school, S2? S2: Its about ten kilometers. S1: Oh, no. How far is it from your home to school, S3? S3: Its about five kilometers. S1: Oh, yeah. 5. 提示：对部分能力的较差的学生，可以给他们下列问题提示： How far is it from your home to school? How do you get to school? How long does it take you to get to school? 6. 看谁能最先完成调查，并找到与表格中数据相一致的同学。. Exercises 1. If time is enough, do more exercises on the screen. Homework 1. Read the sentences in Grammar Focus. 2. Make a survey. How does your father get to work? 教学反思：对于三个特殊疑问句的使用初步掌握，但是错误仍不少，比如it takes不加s，“how long is it take”的情况出现，课后需多加练习，强化记忆。板书设计 Section A Grammar Focus-3c一、1. How (出行方式) 2. How long (行程时间) 3. How far (距离)二、3a: 1. c 2. e 3. d 4. a 5. b 三、 1. How do you get to school? 2. How long does it take to get to school? 3. How far is it from your home to school? 4. Do you walk to school?5. Do your friends ride their bikes to school? Section B 1a-2c 一、教学目标： 1. 语言知识目标：1) 能掌握以下单词：drive, live, stop, think of, cross, river, many, village, villager, between, betweenand, bridge, boat, ropeway, year, afraid, like, dream, come true 2) 表达采用怎样的交通方式去某地：Well, I ride my bike to the subway station. Then I take the subway.3) 阅读短文，获取相关信息的能力。二、教学重难点1. 教学重点：1) 通过进行听、说的训练，来提高学生们综合运用所学知识的能力。2) 通过读、写的训练，来让学生们能真正在实际活动中运用所学的知识。2. 教学难点 听力训练与阅读训练三、教学过程. Warming- up and revision1. Greet Ss as usual. 2. Check the homework. . Presentation1. 我们来认识几个新单词。Ill show you some pictures on the screen. Lets learn some new words. （在屏幕上展示p16页的图片）2. Ss read and try to remember the new words and expressions. Match T: 1. Lets open our books at page 16, point out the blank line in front of each numbered phrase. Ask Ss to match each phrase with a picture by writing the letter of the picture in the bank in front of the correct word. One has done for students. 2. Check the answers. . Pairwork 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. Suppose you use two kinds of transportation to get to school. Tell your partner how you get ot school. 3. Ss practice the conversations in pairs. 4. Let some pairs to act out their conversations. . Listening 1c: 1. Ask different Ss to read each line to the class 2. Play the tape for the Ss to listen and check the things Mary wants to know. 3. Get Ss finish the listening task then check the answers. 1d: 1. Listen again. How does Bob get to his grandparents home? Check 1 or 2. 2. Play the tape twice for the Ss to listen and check.3. Check the answers. . Talking 1. Let students tell how Bob gets to his grandparents home. Ask students to use the pictures in 1d. And write these sentences on the blackboard.First he Next he Then he Finally 2. Ss work with their partners. Try to say how Bob get to his grandparents home. 3. Check the answers: . Guess 1. Look at the picture and title below. Guess what the passage is about.T: I think its about how some students get to school. What do you think? S1: I think its about how some students in the village get to school. S2: I think its about how some students in the mountain get to school. . Reading 1. Fast readingRead the passage and find the answer to this question: Whats the students and the villagers dream in this village? Ss read the passage quickly and find the answer to this question: Their dream is to build a bridge. 2. Careful reading Read the passage again and find the answers to the questions below: 1. How do the students in the village go to school?2. Why do they go to school like this?3. Does the boy like his school? Why?4. What is the villagers dream? Do you think their dream can come true?阅读指导： 首先，读这四个问题，记住这四个问题。其次，带着问题去仔细读短文，并在短文中寻找相关问题的回答依据。然后，根据相关依据，写出问题的答案。 Ss read the passage again and try to find the answers to the questions. Check the answers with the class. . Reading 1. Lets work on 2c. Lets read the passage again and complete the sentences with the words from the passage.2. 阅读指导：1) 首先，阅读这个五个句子，掌握句子的意思，大体确定空格处所缺单词的词性，是形容词、名词还是动词等。2）其次，带着这五个句子，在短文去寻找与这五个句子相关的依据。在相关的句子中寻找空格处所缺的单词。比如：第一句应是在短文中的第五句中“But for the students in a village in Yunnan, it is difficult.”，可知本空格处应为difficult一词。其他几个也按这样的方法来做。 3） 最后，再读一遍这些句子，看有不有不恰当的地方。3. Check the answers: difficult, big, quickly, afraid, true Homework 1. Ask Ss try to retell the passage after class. 教学反思：大部分学生能完成听力，但口语表达练习需加强。板书设计：Section B 1a-2c1. bus stop (站点), bus station（综合车站）2. Whats the students and the villagers dream?3. 2b: They go on a ropeway to school. Because theres not a bridge on the river. Yes, he does. Because He loves his teacher and his classmates. Its to have a bridge on the river. Yes, I think so. Let more people know about it. And let more people help them build the bridge. 2c: difficult, big, quickly, afraid, trueSection B 3a-Self Check 一、教学目标： 1. 语言知识目标：1) 复习及综合运用如何表达出行方式。2) 能正确运用take + 出行方式；ride及by 来表达自己的出行方式。 3）能用所学的方式来描述自己或他的出行方式。二、教学重难点1. 教学重点：1) 能恰当运用take + 出行方式；ride及by 来表达出行方式2）练习运用所学的知识来表达某人的出行方式。2. 教学难点： 如何运用所学的知识来正确表达某人的出行方式。三、教学过程. Warming- up and revision1. Greet the Ss as usual. 2. Check the homework and have a dictation of the new words and expressions.3. Let some Ss retell the passage in 2b. . Presentation1. Using some pictures to show some ways of transportation: walk, take the bus/train/subway/plane/boat; ride the bike/horse; go/get to sp by bus/train/subway让学生们理解这几个词组的用法。2. Make some sentences using these phrases. 3. Give some examples of the sentences. . Reading . Writing . Self Check 1 1. Weve learned many ways of transportations. Now lets have a short review. Look at the words in the boxes below to form as many expressions as possible. 2. Ss work in groups and try to write as many expressions as possible: take a bus, by bus, take a train, by train, take a subway, by subway, ride a bike, by bike.3. Let some Ss read their answers. Let other students add more phrases.Note: by + 出行方式（不加the）; take(ride) + a （the）出行方式 . Self Check 2 3、苍蝇落在竖直光滑的玻璃上，不但不滑落，而且还能在上面爬行，这和它脚的构造有关。蟋蟀的耳朵在足的内侧。蝴蝶的翅膀上布满彩色小鳞片，其实是扁平的细毛。1. Look at the chart below. Write at least five questions. Then answer the questions with the information in the chart. 2. 写作提示：根据表格提示，应有三种类型的问题：出行方式（How）; 距离（How far）; 所用的时间 （How long）; 对每个人都问这三个问题一次。然后根据表格中的提示来回答。20、在水中生活着许我微生物，常见的有草履虫、变形虫、喇叭虫、眼虫、团藻等。例如：How does Tony get to school from home? He gets to school by bike. 8、晶体的形状多种多样，但都很有规则。有的是立方体，有的像金字塔，有的像一簇簇的针有的晶体较大，肉眼可见，有的较小，要在放大镜或显微镜下才能看见。3. 同学们根据老师的指导进行问答。将问题与答案写在练习本。然后在小内交换检查。Homework 8、铁生锈的原因是什么？人们怎样防止铁生锈？1. Review all the dialogues and passages in Section B. 2. Write a short e-mail to your pen friend to tell your ways to get to school. 教学反思：大部分同学能熟练表达，但语言写作能力需加强。缺点：不仅消耗大量电能，留下残余物，如果控制不好，还会产生有毒物质，造成二次污染。板书设计：一、填空：6、蚜虫是黄色的，在植物的嫩枝上吸食汁液，每个蚜虫只有针眼般大小，在10倍放大镜下我们可以看清它们的肢体。Section B 3a-Self Check3a: go, leave, walk, boring 3b: 1. When do you leave home? 2. How do you get to school?3、你知道月食的形成过程吗？ 3. How far is it from your home to school? 4. How long does it take you to get to school? 5. Do you like your trip to school? 16、大量的研究事实说明生命体都是由细胞组成的，生物是由细胞构成的。我们的皮肤表面，每平方厘米含有的细胞数量超过10万个。3、米饭里面的主要成分是淀粉。米饭淀粉遇到碘酒，颜色变成蓝色，这种蓝色物质是一种不同于米饭和淀粉的新物质。