英语人教版七年级下册uint 3 section A 2a---3c.docx

第二课时Section A 2a3c1. 记忆单词:sixty,seventy,eighty,ninety,hundred,minute,far,kilometer,new,every,by,drive,car,live短语:how far,how long,by bus/train/bike2.能够运用how询问他人如何到达某地,how long询问到达某地需要多长时间,how far询问距离多远以及这些问句的回答。3.学习数十、数百基数词的构成和用法。4.通过听力训练,两人一组合作和角色扮演的方式,在情景交际中练习语言点,提高英语听说能力。在课堂活动中轻松学习、练习英语。5.渗透健康、环保的自行车出行方式。1.学会运用数十、数百的数词,学会运用how,how long,how far构成的疑问句。2.学会运用how,how long,how far构成的疑问句及其回答。3.通过听力、口语的训练,总结句型,归纳语法。1.在听说活动中运用本单元生词、短语表达出行方式,距离远近,用时多久等。2.掌握和运用how,how long和how far疑问句的构成、回答和读音。本课时的教学内容是人教版七年级下册英语第三单元的第二课时,重点在于引导学生观看图片,理解语境,从本课时的需要出发,先学习十以上的数词,进一步引导学生在听力、口语活动中运用,回答多久、多远等问题。以活动和任务引起学生的听说兴趣,训练学生的听力和口语表达能力。利用图片辅助听力和说话,同时在对话中反复运用新学的单词和短语。因此,教师可以将知识目标定为掌握数词的书写和读音,询问和回答how,how long和how far的句型。情感目标定为通过话题的学习,培养学生运用适当的交通工具,做到既健康又环保。设计教学PPT,录音机,多媒体,相应的插图。Step .Lead inLeading in 【情景1】Warm up by talking about ages and the dates.T:Good morning/afternoon,boys and girls.Ss:Good morning/afternoon,Mr./Ms.XX.T:How old are you?S1:I am 14.T:How old is he?S1:He is 13.设计意图利用学生学过的内容,从谈论“年龄”话题开始引出数词复习,为2a听力教学扫清障碍。Leading in 【情景2】1.Review the how-questions,and ask about how the students get to school.(Show the PPT and teach the verbs.)T:How does he get to school?S1:He walks to school.T:How do they get to school?S1:They take the train.T:How long does it take?S1:It takes about forty minutes.T:How far is it from your home to school?S1:Its only about five kilometers.The teacher uses pictures or performs the actions to teach the new words.And write the words and teach their pronunciations and spellings.2.PresentationShow a picture on the PPT and explain these words and phrases.Teach:homeschool,how long,10 minutes,how far,two kilometers.Then 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.设计意图利用学生学过的内容,从谈论“日常交通方式”话题开始,轻松进入语境,进而介绍生词,利用多媒体课件创设情境将词汇的音、形、意融为一体,促进理解,加深记忆。使动词学习更加形象直观,自然地进入新话题。为2a、2b听力教学扫清词汇和语言障碍。Step .Listening(2a)1.Before listeningRevise the numbers.First,012,next,1319,then,teach 2090.And teach the new word “hundred”.T:Now,class.Lets count from 0 to 30.We know these numbers.What do the numbers 1319 have in words?Ss:They all have “-teen”.T:Yes.And in the words 20,30,90,there is “-ty”.So we can learn these words easily.Say these numbers.2090.Ss:Twenty,thirty,forty,ninety.T:What about 99 and 87 in the word forms?Ss:Ninety-nine and eighty-seven.T:Yes,we use 90 and 9.Dont forget “-” between ninety and nine.In this way we can say and write the English words for the numbers below 100.T:Now,learn the word “hundred”.It means 100.Ss:Hundred.T:For more than 100,we say “one hundred and”.For example,how can we say 103 in English?Ss:One hundred and three.T:Very good.Now,213?Ss:Two hundred and thirteen.T:Right.What about 999?Ss:Nine hundred and ninety-nine.2.Listen and repeatT:Now listen and repeat these numbers.Ss read the English words for these numbers and write the correct number next to the word.3.Help the students to know how the English number forms.【Keys】2a:sixty-one 61seventy-two 72eighty-four 84ninety-nine 99one hundred and five 105two hundred 200设计意图通过比较、总结,学习数十、数百的数词及其英语单词形式,听说结合,读写结合,加深记忆。Step .Listening (2b-2d)1.Before listeningT:Look at 2b.What are we hearing today?Can you guess?Ss:How?How long?How far?T:Yes.Listen to the conversation and pay attention to these points.You can hear “how”,“walk”,“take the bus” or some others.And “how long”,“10 minutes”,“twenty minutes” or “half an hour”.And “how far”,“two kilometers”,“How many kilometers?”2.Play the tape for the students to listen for the first time.Ss listen and complete the chart.We can first fill in the Tom column,then fill in the Jane column.Finish 2b and 2c.3.T:Now listen again,check your answers.(2c)4.Read the conversation in 2d aloud with the information in 2b and 2c.T:Good! Now look at activity 2d.Please ask and answer the questions.Use the information in 2b.T:Will you present your conversations to the class?Lets ask four pairs to role-play the conversations.(Four pairs of students present their conversations to the class.Ss listen carefully and reflect on what they said.)设计意图利用题目中的how,how long和how far情境,训练目标语言的听力。学生在听了细节之后,朗读巩固,再模仿2b的对话,编出对话,培养学生运用目标语言进行交际的能力。Step .Reading and role-playing(2e)1.Tell students to read the conversation in 2e.Ask some questions for the students to focus on.T:Now,please read the conversation in 2e and find the answer to these questions:(Show them on the PPT or write them on the board.)(1)How does Jane get to school every day?(2)How does Lisa get to school every day?(3)How far is it from Lisas home to school?(4)How long does the bus ride take?(5)How long does it take Jane to get to school?(Ss read the conversation and try to answer the questions.)【Keys】(1)Rides her bike.(2)Takes the bus.(3)About 10 kilometers.(4)About 20 minutes.(5)About 15 minutes.2.Listening and readingT:Please read after the teacher.You can learn from the teacher and imitate the pronunciation and intonation.Then you can practice the conversation with your partners.Ss read and practice.3.Then show the conversation on the PPT and then erase some phrases or sentences.Get the students to do the disappearing dialog exercise.T:(After the students practice the conversation,get them to role-play it.)Ill ask some pairs to role-play the conversation without reading.4.T:What new sentences do we learn from this conversation?Lets learn them.Ss discuss and the teacher writes them on the blackboard like these:How do you get to?How far is it fromto?The bus ride takes about(period of time).How long does it taketo?Aboutminutes byIts good exercise.Have a good day at school.You,too.T:Read these aloud and write them down in the exercise-books.These items should be explained.教材解读1.Im not suresure是形容词,意思是“肯定的,确定的”,表示自己对某事很肯定时用Im sure,表示自己对某事没有十足的把握时,则用Im not sure.。Are you sure?你确定吗?Im quite sure.我十分肯定。He is sure to come.他一定来。2.How long does it take you to get to school?About 15 minutes by bike.句型“It+takes+人+时间+to do(事情)”十分常用,句型中的takes表示“花费(时间)”。It usually takes me five to eight minutes to go to school by bus.坐公交车到学校我通常要花五到八分钟。【拓展】在此句型中,时间可以用long(长久)、a short time(短时间)来表示,“人”或“做某事”可以看情况省去。It doesnt take long to walk there.走着去那儿花不了多长时间。It only takes you a short time.只要花你一小会儿时间。“by+交通工具”是介词短语,by表示“乘坐,使用某种交通工具”,短语中的交通工具名词前面不要加冠词a/the或其他限定词,如:by bus乘公交车;by train坐火车;by bike骑自行车;by car坐小汽车;by plane坐飞机等。on foot表示“步行”,不用by,也不要说成on feet。设计意图利用教材上的情境,由读到说,教师精讲语言点,学生学习、训练目标语言。培养学生的阅读、合作能力、口语表达及语言运用能力。Step .Grammar Focus1.T:(Play the PPT and get the students to read them aloud.)Please read the questions and answers in Grammar Focus.2.(Learn the grammar.)T:Look at these sentences.Discuss:(1)What do these questions ask about?(2)The word order in the how-questions and in the Yes/No questions.(3)Do or does.(4)The verb forms in the questions and in the statements.After the students discussion,the teacher gets them to report to the class.And the teacher summarizes this activity and checks common mistakes.The teacher points out the sentence pattern and helps the class to learn.Explain the following to the students.T:We can take a bus or take a trainand we also use “take” to talk about a length of time.For example,we say something takes five minutes or takes one hour.So we use the same word “take” in two different ways.Can you find more examples from this unit?设计意图通过本单元的语言材料,通过提问引起学生对重点内容的注意,学生总结归纳英语语法要点,对重点内容精听精解,易于学习掌握。Step .Practice (3a)1.T:Now lets look at 3a.What questions do we have here?Can someone read the questions for us?A student volunteers to read the questions in 3a.2.T:Which are Yes/No questions?Ss:4 and 5.T:How do we answer a how-question,a how long-question and a how far-question?Please find the key words in the answers.Then work by yourselves.Finish the task in 3a.3.T:Can you share your answers?In your seats,one asks the question and the other answers.The teacher asks a couple of students to give their answers to the questions.Students give answers and the class check the answers.【Keys】3a:1.c2.e3.d4.a5.b设计意图在老师的提醒、指导下,学生独自完成任务,边学边用,使语法知识学得更透彻。Step .Practice (3b)1.Tell Ss to use these words below to make questions.T:Look at 3b.Work by yourselves,making questions.And write them in the books and write down your own answers.2.T:Can you answer these questions?Now ask and answer in pairs.3.Get some pairs to ask and answer the questions in class.【Keys】3b:Answers will vary.Sample answers:1.Q:How do you get to school?A:I ride my bike.2.Q:How long does it take to get to school?A:It takes about five minutes.3.Q:How far is it from your home to school? A:Its about two kilometers.4.Q:Do you walk to school?A:No,I dont.I always ride my bike.5.Q:Do your friends ride their bikes to school?A:Yes,they do.设计意图通过语言训练、培养学生对所学目标语言的实际运用能力。Step .Group work(3c)1.The teacher tells them how to finish the task and gets the students to work in groups.T:Now,lets ask questions.You can work in groups and you can go around the class,too.Ask these questions and write down your classmates answers.Lets see who can finish the questions first.2.The teacher asks a few students and gives an example.Then the students work in groups.And the teacher asks each group to give a report to class.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.设计意图通过任务活动,联系实际,进行语言训练、培养学生对所学目标语言的实际运用能力。Step .Summary and AssignmentT:In this class,we learn how to ask and answer questions of “how”,“how long” and “how far”.We learn how to use “by” to express the transportation.设计意图结合多媒体课件,反思、归纳本节课语法项目,使之系统化。是学生对所学知识进行内化、提升的过程。巩固本节课的目标语言。Exercise.根据首字母或汉语提示完成句子1.My uncle has a car.He usually d to work.2.What time do you go to school b bus?3.I walk to school e day.4.There are nine (百)students in our school.5.My home is about 15 k from the school.用适当的特殊疑问词(组)填空1. does Tom go to bed?At half past eight.2. can you do?I can dance.3. do you go to the bookstore?By bus.4.is it from your home to school?Its about 2 kilometers.5.does it take to get to school?It takes about 15 minutes.【Keys】.1.drives2.by3.every4.hundred5.kilometers.1.When2.What3.How4.How far 5.How long设计意图以学评教、强化落实。当堂检测并复习课时生词和特殊疑问句的学习和掌握情况。Step .Homework1.Practice the conversation in 2d orally.2.Write the report about your parents using how,how long,and how far questions.设计意图口头练习和实际应用相结合,注重语言知识的操练与积累。培养学生对所学目标语言的实际运用能力。Section A (2a3c)bus stop,bus station,train station,subway stationHow do you get to?By bike/bus/train/car/plane,How far is it fromto?The bus ride takes about(period of time).How long does it taketo?Aboutminutes byIts good exercise.Have a good day at school.You,too.【基础训练】.根据句意及首字母提示补全单词1.How fis it from the earth to the moon?2.Its about five k from my home to the city.3.It takes her ten m to walk to school every day.4.Sixty and forty is one h.5.T