八年级下学期英语教学案例.doc

教学案例Unit6 Topic3 Bicycles are popular. Section B Project English .Teaching Aims:1.Knowledge Aims:1). Learn some new words and phrases: warn, motorcycle, light-colored, obey, fine 2).Go on learning the usages of adverbial clauses of condition:If we ride at night, we should have lights on the bicycle or wear light-colored clothes.If we break the traffic rules, we will get a fine and even be in danger.2. Ability Aims:Enable students to talk about traffic rules, signs and warnings.Learn to express remindings and warnings:(1)People should obey the traffic lights.(2)Dont rush when you corss the street!(3)Dont forget to pay attention to the rules.3. Emotion Aims:学会遵守交通规则，树立安全意识。使学生识别交通标志，掌握交通规则，在现实生活中遵守交通规则。培养守纪守法的道德品质。. Difficult and key points:1. Get students to learn some new words and phrases: warn, motorcycle, light-colored, obey, fine2. Enable students to talk about traffic rules, signs and warnings.3. Enable students to master the usages of adverbial clauses of condition. Teaching methods: listening, reading; summing-up, competition, speaking, etc. Teaching tools: slides; tape, etc.Teaching procedure：Step 1 Review 复习Section A的重点话题，并导入1a。1. (复习Section A中呈现的骑自行车的好处。)T: Weve learnt lots of advantages in riding bicycles in Section A. Lets review it.1) Its faster than walking.2) It can save energy.3) It doesnt cause air pollution.4) Its easy to park bikes.5) 2. Have a competition. The main words and phrases in 2a Section A.听mp3_.数米远处_向左的急转弯_.减速_从对面开来_避免撞上卡车_.撞上_.严重地撞伤了他的胳膊_.把他送到医院_受伤_.失去生命_Step 2 Presentation 呈现1a并讲解。1. (教师利用实物或图片引出要求学生理解的单词。)T:(出示头盔的实物或图片。)Whats this?Ss:Its a helmet.(教师适当帮助说出。)T:What do we use it for?Ss:We use it to(老师说出protect our heads。)(用同样的方法学习light-colored clothes。)T: Traffic accidents are really terrible. We should also know more about the traffic rules. If we dont obey them, what will happen? Can you guess?S1: Cause traffic accidents.S2: Lose our lives.S3: Get hurt.(学生可能会用中文说出要被罚款，教师及时教学fine。)T: Yes. Well also get a fine.(板书并教学生词，要求学生理解。)helmet, light-colored, fine2. (教师布置并板书听力任务，让学生带着任务听录音，降低听力难度并使其注意力高度集中。)T: Now, boys and girls, please look at the blackboard. Listen to 1a carefully and find the answers to the questions. Are you ready? Lets begin.Why did the bike accident happen?Whats Kangkangs suggestion?Does Michael agree with Kangkang?(师生一起核对答案。)3.(让学生读1a，找出条件状语从句并标出疑难点。)T: Now lets read 1a and find out the adverbial clauses of condition and difficulties.(教师鼓励学生读出所找的条件状语从句和疑难点，然后加以解释。)Step 3 Explanation1) the young man on the bicycle 骑自行车的年轻人 介词短语作后置定语 the young man on the motorcycle 骑摩托车的年轻人2) in fact 事实上 3) We can wear bicycle helmets when riding. 骑自行车的时候我们应该戴头盔。4) If we ride at night, we should have lights on the bicycle or wear light-colored clothes.if 引导的条件状语从句，如果主句是情态动词或一般将来时时，从句常用一般现在时表将来。 如果明天不下雨，我们就去郊游。If it doesnt rain, we will go on a field trip.5)If we break the traffic rules, we may get a fine and even be in danger. break the traffic rules 违反交通规则 get a fine 受到处罚 他受到严重处罚。He got a heavy fine. be in danger 处在危险中6)warn sb. to do sth. 警告/提醒某人做某事 warn sb. not to do sth. 警告/提醒某人不要做某事Step 4 Consolidation 巩固1a，完成1b。1. (教师放1a的录音，让学生跟读。)T: Listen and follow the tape.T: Work in pairs, look at the key words on the blackboard and practice the dialog.(教师时刻关注学生动态，及时帮助有困难的同学，保证每位同学积极参与。)(板书)bicycle accidentterriblecarelessbike lightslight-colored clothesbreaktraffic rulesfine(几分钟后，选几组学生看关键词, 自由表演对话。)T: Time is up. Come to the front and act out the dialog. Be brave! Dont be shy. Which pair wants to have a try?T: Well done! You did a very good job!(对学生给予鼓励和肯定。)2. (让学生出示他们在上节课所讨论交流的交通图标，复习其含义，然后独立完成1b，核对答案。掌握单词warn；理解crossing。)Step 5 Practice 完成2和4，并讨论3。1. (教师组织课堂活动，引导学生独立完成2。)T:Now you know so many traffic signs, and will you follow them when you see them? I hope all of you will obey the traffic rules. If everyone obeys the traffic rules, the road will be safer. Do you think so?S1:Yes, of course.T:If you ride at night, what should you do?S1:I should have lights on the bicycle or wear light-colored clothes.T:If you ride on the street, what should you wear?S2:If I ride on the street, I should wear a bicycle helmet.2. (教师指导学生讨论，要求学生掌握trouble。完成3。)T: Please look at these pictures, discuss the results of breaking the traffic rules using “if” in groups and then Ill choose some students to report.3. (放4的录音，完成4。)T: Today many people like riding bicycles in the world. Why? Please listen to 4 and fill in the blanks.Step 6 Project 综合探究本课重点话题。1. (复习所学的交通规则，并将其准确归类，看哪些行为是可行的，哪些是不可行的，列成表格。)What we should doWhat we shouldnt doobey the traffic lightsrush on the streetobey the traffic signspark in the wrong placesdrive/walkon the right-hand side of the road2. (教师将学生分成小组，每组4人，各小组推选一名组长，组长负责监督各组员完成调查表，并核对大家在平常的生活中是否遵守交通规则。)T: Work in groups of four. Look at the chart and check if you obey the traffic rules in your daily life. (教师让组长向全班汇报各组员遵守交通规则的情况，并作示范。) Example: S1: Always obey the traffic rules. S2: Sometimes obey the traffic rules. S3: Never obey the traffic rules. 3. Homework:(写出不少于5个由if引导的条件状语从句。)(1) Please make at least five sentences using “if”. Pay attention to the tense.(2) Look up the words in the box in 1a on P.45 and find out their meanings.(为新课做准备。)