高中英语 Unit21 Lesson 1 Super Athletes教案 北师大版选修7

Unit 21 Lesson 1 教学设计Teaching aims:To read about the effects of chewing gum.To revise conditionalsTo practice using mixed conditionalsTeaching difficulties:some students may not remember the first，second and third conditionals well. The form of mixed conditionals may be difficult for some students to master and they may need more practice with it.Teaching Aids: computer and video rejectionTeaching procedures:Step 1: lead-in1. Show students advertisement an video about gum so as to raise their interest on chewing gum and make them think of the effects of chewing gum in daily life.2. Students work in pairs discussing the questions and require them to share their ideas with class. Discuss in pairs and answer the following questions.What do you think of chewing gum？Is it good or bad for you？Do you or your friends /family buy it？Why？What do you do after chewing it？3. Students look at the title and predict which issues may be covered in the article. Then，students work individually，reading the article quickly to find out which of their guesses were right. Step 2: read to learn1. Students divide the text into four parts，then summarize the main topic of each part.Part 1 (paragraph 1--- 1 ) IntroductionPart 2 (paragraph 2 --- 4 ) Benefits of chewing gumsPart3 (paragraph 5 --- 7 ) The negative sides of chewing gumsPart4 (paragraph 8--- 8 )Better activities than chewing gums2. Work individually，students try and fill the table with the information they remember from thefirst reading. After finishing the table，students discuss it with each other and then check answers as a class.3. Students work in pairs answering the questions. Ask them to locate the relevant parts in the text which give the answers.1. How serious is the problem of bad breath？2. What is added to sugar-free chewing gum which may help prevent tooth problems？3. According to one research project，what is one way of burning 70 kilocalories？4. What would be the effect on the stomach of constant chewing？5. What other activities are stated that are better than chewing gum？Step 3: grammar1. Students match the conditional sentences in italics in the text with the following types: zero conditional，1st conditional，2nd conditional，3rd conditional. Check students’ answers by having individuals read out the sentences and then describe them.2. Elicit an example from the class of each conditional form.Step 4: consolidationChoose the best answer.Step 5: Homework: page 80，Ex1，4。

Task I.Read Para. 1&2 and answer the two questions:1. What reasons made athletes’ performances improve?2. How are their performances recently?Talk II. Read Para.3-6 and fill in the table. (doping)Doping are originally developed to 1.______________ __But in the wrong hands, doping creates 2._______________,It also causes 3.__________________for those who 4.______ them.Doping affects both athletics and7. ___________.It’s not easy to catch using illegal drugs because：8. It’s__________for winners to be tested.9.__________are developed all the time.10. Drug tests are_________The sports world doesn’t 5._______ do ping as it is a form of 6.____________Task III. Read Para. 7 and find out information about gene therapy.Use: It is to _____________ and _______________ by changing genes.Attitude:Many people _________ further research into it.Possible result:Athletes might be able to do the__________ dash ____________;marathon in __________Trouble:It would __________to find out; It would _________the whole spirit of sport.Task IV: Read Para. 8 to judge whether they are true or false and correct the false ones:1. The Olympic spirit emphasises winning rather than taking part. ( )2. The Olympic spirit has been violated by the desire to succeed at all costs. ( )3. If doping and gene therapy continue to affect the sport world, “hero” will be meaningless. ( )Task V. SummaryUse the words or phrases from the text to complete the following sentences. cheating/ oppose/ tolerate/ improve/ supreme athletes/ abuse/ compulsory contradict/at all costsBecause of better equipme nt, training and diet, the athletes’ performance________ year after year. But recently, doping is used to create _____________ Doping can also cause serious health problems for those who _____them. Sports world doesn’t _______ doping. However drug tests are only __________ for winners. Another big threat is gene therapy. Many people ______ further research into it because it would _________the Olympic spirit which has been violated by the desire to succeed ___________.Task VI. Speaking (Choose either one to do according to your level.)★Discussion: Doping（gene therapy）and Olympic spirit1. What’s the Olympic spirit?2. Talk about doping (gene therapy)? (four aspects)3. What’s your attitude towards doping (gene therapy) in the sport?★★A letter to the public-----from Rogge(附件3)。

Unit 21 Human Biology Lesson 1 Super Athletes精美句子1、善思则能“从无字句处读书”。

读沙漠，读出了它坦荡豪放的胸怀；读太阳，读出了它普照万物的无私；读春雨，读出了它润物无声的柔情。

读大海，读出了它气势磅礴的豪情。

读石灰，读出了它粉身碎骨不变色的清白。

2、幸福幸福是“临行密密缝，意恐迟迟归”的牵挂；幸福是“春种一粒粟，秋收千颗子”的收获. 幸福是“采菊东篱下，悠然见南山”的闲适；幸福是“奇闻共欣赏，疑义相与析”的愉悦。

幸福是“随风潜入夜，润物细无声”的奉献；幸福是“夜来风雨声，花落知多少”的恬淡。

幸福是“零落成泥碾作尘，只有香如故”的圣洁。

幸福是“壮志饥餐胡虏肉，笑谈渴饮匈奴血”的豪壮。

幸福是“先天下之忧而忧，后天下之乐而乐”的胸怀。

幸福是“人生自古谁无死，留取丹心照汗青”的气节。

3、大自然的语言丰富多彩：从秋叶的飘零中，我们读出了季节的变换；从归雁的行列中，我读出了集体的力量；从冰雪的消融中，我们读出了春天的脚步；从穿石的滴水中，我们读出了坚持的可贵；从蜂蜜的浓香中，我们读出了勤劳的甜美。

4、成功与失败种子，如果害怕埋没，那它永远不能发芽。

鲜花，如果害怕凋谢，那它永远不能开放。

矿石，如果害怕焚烧（熔炉），那它永远不能成钢（炼成金子）。

蜡烛，如果害怕熄灭（燃烧），那它永远不能发光。

航船，如果害怕风浪，那它永远不能到达彼岸。

5、墙角的花，当你孤芳自赏时，天地便小了。

井底的蛙，当你自我欢唱时，视野便窄了。

笼中的鸟，当你安于供养时，自由便没了。

山中的石！当你背靠群峰时，意志就坚了。

水中的萍！当你随波逐流后，根基就没了。

空中的鸟！当你展翅蓝天中，宇宙就大了。

空中的雁！当你离开队伍时，危险就大了。

地下的煤！你燃烧自己后，贡献就大了6、朋友是什么？朋友是快乐日子里的一把吉它，尽情地为你弹奏生活的愉悦；朋友是忧伤日子里的一股春风，轻轻地为你拂去心中的愁云。

朋友是成功道路上的一位良师，热情的将你引向阳光的地带；朋友是失败苦闷中的一盏明灯，默默地为你驱赶心灵的阴霾。

Interpretation of Unit21Lesson 1 Super Athletes Good morning, ladies and gentlemen. It’s my great honor and pleasure to be here sharing my lesson with you. My name is Yuan Rui from NanYang 21st middle school.I have been ready to begin this representation with five parts. Analysis of the teaching material, the teaching aims, the important and difficult points, the studying methods, and the teaching procedure.Part 1 Teaching MaterialThe content of my lesson is Senior High English Module 7 Unit21 Lesson3 Super Athletes. This unit is about issues related to health &sports. What’s more, this lesson is about super athletes. By studying of this lesson, we’ll enable the students to know the negative effects of doping and gene-therapy in sports and develop their interest in sports. Therefore, this lesson is in the important position of this unit. If the Ss can master it well, it will be helpful for them to learn the rest of this unit.Part 2 Teaching AimsAccording to the new standard curriculum and the syllabus (新课程标准和教学大纲), and after studying the teaching material, the teaching aims are the followings:1. Ss learn and revise the words related to the topic.2.Get the general idea of the text and understand the writer’s viewpoints.3.To i mprove the student’s reading ability, especially their skimming andscanning ability.Part 3 the Important and Difficult PointsThe important points are how to get the general idea of the text andunderstand the writer’s viewpoints.The difficult points are the Ss’attitudes towards doping &gene-therapy. Part 4 Teaching MethodsAs is known to us all, a good teaching method requires that the teacher should help Ss develop good sense of the English language. For achieving these teaching aims, I will use the following methods :1.T ask-based Language Teaching (任务教学法)2.G roup work and group discussionAt the same time, CAI (电脑辅助教学) can provide a real situation with its sound and picture, it can develop the Ss’creativity in learning English.Part 5 Teaching ProcedureStep 1.Warm-up let the Ss name out all the names about body parts. Purpose of my design:Let the Ss revise the words related to the topic.Step 2. Lead-inLook at some pictures about some Super Athletes.Purpose of my design:(1) to catch Ss’ attention about the topic.(2) To develop Ss’interest in sports.Step 3.Fast-readingTask 1. (Individual work) )Skimming:Ss should read the material fast to find out the general idea of the text and choose the best answer.Task2. (Individual work, pair work)Ss read the material again to match the headline with each paragraph Purpose of my design:Let the Ss get the general idea of the text.Step 4.Careful-reading(Individual work, pair work, group work) Listen to the tape part by part to finish the exercise of each paragraph on Ss’ learning guidance.Purpose of my design:Enable students to understand the given material better by using different reading skills. And p roper competition can arouse the Ss’ interest in English learning. “Task-based” teaching method is used here to develop the Ss’ ability of communication and also their ability of co-operation will be well trained.Step5. Post-readingTask 1. (Individual work)Let the Ss finish the summary of the textPurpose of my design: I think If the Ss can finish this task well, they will benefit a lot from the text.Step 5. HomeworkAsk the Ss to retell the text.Purpose of my design: Homework is so important to master the knowledge they learned after class. It will check whether the Ss achieve the teaching aims.That’s all. Thank you!。

Unit 21 Lesson 1 Super AthletesStep 1 Lead-in Guess for funThe standard distance of Marathon is:A. 37 kmB. 42km and 195mC. 53km and 95mD. 35km and 195mThe father of modern Olympic is:A. Demetrius Vikelas (Greece)B. Pierre de Coubertin (France)C. Ben Johnson (Canada)D. Joseph Bratt (Switzerland)The current men’s 100 record is:A. 9.8 secondB. 8.9 secondC. 9.79 secondD. 9.58 secondStep 2 Word bank1. China plans to _________ the public's awareness of environmental protection.2. Physical activities can _______ our memory ability and sleep quality.3. This is very interesting Chinese character, the upper part of this charactermeans "Knife", the lower part means "Heart". How bad the condition is when thereis a knife above your heart, but you still need to tolerate.4. Clothing, food, housing and transportation are our __________ needs. In thelast few years. Our life have had __________ changes.5.The driver _________ Traffic Law.Fill the following words in the blanks:doping Gene- therapy enhance abuse tolerate fundamental violated1. Beijing Olympics organizers signed an agreement on __________examination .2. We _______land because we think it belongs to us.3. We shall not_______ such rubbish.4. In the last ten years, IT has brought ___________ changes to China.5. If someone ________ law, he/she will get punished.6.Gene-therapy is very and many people further research into it.7. Doping and gene-therapy the Olympic spirit.Step 3Fast Reading•What’s the general idea of the whole passage?•Find out main ideas to each part.(Ex2. on Page 34) What is the general idea of the passage?A.The athletes who took part in the first Olympic Games are not as fast as athletestoday.B. Doping is a huge problem in the sporting world.C. The present and future of the sporting world is being seriously and negativelyaffected by doping and gene-therapy.D. Ben Johnson, Florence Griffith and Floyd Landis have all shocked the worldby their speed.2. Find out main ideas to each part.Part one. (1-2) Records have fallenPart two. (3-6) DopingPart three. (7) Gene-therapyPart four. (8) Olympic spiritStep 4 Detailed readingTask1 : (Ex.3 on Page 34 )Read the text for the second time and answer thefollowing questions1. Why would the athletes today have broken records if they’d taken part inthe first Olympic Games?2. What reasons are given for improved performance?3. What is doping and why is it illegal?4. How did the drugs affect world records in the 1980s?5. Why are drug tests at sporting events often on step behind?6. What would the effect of gene-therapy be on sport?7. What is the Olympic spirit?100 metres in 8 seconds?Will it be possible?What shall we do to make it possible?Task 2 Careful ReadingNow please read Para. 1&2 and decide “True or False” :1) As athletic performances have continually improved, records have risen .2)Maurice Greene created a world record of 9.79 for the men’s 100 metres.Task 3: Read Para.3-6 and fill in the blanksDoping are originally developed to help people with 1.______.But in the wrong hands,doping creates 2.______ athletes.It also causes serious health problems for those who 3.______ them.The sports world doesn’t 4._______doping as it is a form of 5.________.Doping 6. _______ both athletics and nearly every sport.It’s not easy to catch athletes using illegal drugs because：It’s 7.__________for winners to be tested;New drugs are 8.________ all the time;Drug tests are one step 9.________.Task 4:True or FalseStep 5 True or faulse※ The Olympic spirit emphasises winning rather than taking part.※ The Olympic spirit has been violated by the desire to succeed at all costs.※ If doping and gene therapy continue to affect the sport world, “hero” willbe meaningless.Step 5Retelling: Choose one of the athletes to talk about according to the information of Tasks 2-3。