高中英语 Unit 21 Human Biology Lesson 1 Super Athletes教案 北师大版选修7

1、Unit 21 Human Biology Lesson 1 Super Athletes课题Unit21 Lesson 1 Super Athletes课型Reading and speaking第 1 课时教学目标知识目标1. To practice reading for specific information.2.To master some important words and expressions in the text.3. To read about athletes, doping and gene-therapy.4. To get the students to s

2、um up the general idea of the text.能力目标1. To practice students expressing ability.2. To practice using reading strategies (skimming, scanning, skipping) when reading.3. To practice using mixed conditionals.情感目标To lead the students to think about the meaning of Olympic spirit.内容分析重 点1. To get the stu

3、dents to sum up the general idea of the text.2. To use the mixed conditionals.难 点1. To get some detailed information about the two issues and help the students to analyze them.2. To practice using reading strategies (skimming, scanning, skipping) when reading.关 键 点The grammar in this unit教法学法Team-wo

4、rk and communication approach.教具学具Multi-media A tape recorder教学过程教材处理师生活动修改与创新I. Warming upII Pre-readingIII While-readingIV Language pointsV Homework. Warming up: Lead the students to speak out some champion athletes by actions and questions.II Pre-readingSay: I know some of you quite like sports a

5、nd even are the fans of some stars. In a common sense, it is not so bad. But what champion athletes can you name? What were their achievements?(Get reports from the students discussion.)III While-readingI. Read the text quickly. What is the general idea? Answer: c)II. Pair work. Answer the questions

6、 of Ex.3. Answers: Athletes are stronger and faster today than they were during the time of the first Olympic Games. Better equipment, training and diet. Doping is using performance-enhancing drugs and it is illegal because it is cheating. Ben Johnson was caught taking drugs when he broke the 100m w

7、orld record in 1988 and no one knows if Florence Griffith was taking drugs when she set the womens 100m record the same year.Drug tests are only developed after the new drugs are being used. This means that there is a time period when people are using the new drugs and no one knows about them. It wo

8、uld create super athletes who could do the 100m in just 8 seconds for example, and no one would know if theyd had gene-therapy or not. This would spoil the spirit of sport. The spirit of competition that emphasizes talking part rather than winning.IV Language points1. slow down减速，放慢速度You must slow d

9、own your car. 你必须把车子开慢。Can we slow down and walk for a bit? 咱们放慢速度步行一会儿好吗?2. Some experts predict a ceiling for many events, .一些专家预测，对许多事件，如9.5秒的100米，MauriceGreene队的战绩是九点七九秒上限。ceiling n. (价格、工资等)最高限度;最大限额A new ceiling has recently been fixed on pay. 最近对工资规定了新的最高限额。3. come across偶然遇到Perhaps I shall c

10、ome across him in Shanghai. 或许我在上海会碰到他。Have you come across this problem? 你遇到过这个问题吗？4. in the wrong hands在不该拥有的人手里A scientific breakthrough would mean disaster in the wrong hands.科学突破落入恶人之手便意味着灾难。The atomic nucleus is to provide power to the human world. But in the wrong hands, it can destroy the hu

11、man world.原子核是为人类世界提供动力，但若落到不该拥有的人手里它就会毁了人类世界。5. tolerate vt.容忍; 忍受; 容许; 默许I cant tolerate his bad manners any longer. 我再也不能容忍他无礼的行为。Shes not a woman to tolerate being played with 她不是一个能容忍别人玩弄的女子。6. seek vt. (sought, sought )找寻, 寻求; 征求, 请求I will seek my doctors advice. 我将征求医生的意见。Older people may see

12、k their own friends rather than become too emotionally dependent on their children. 老年人可以找自己的朋友而不会在情感上太依赖他们的子女。7. in vain徒然，白费，无效We tried in vain to make him change his mind. 我们想使他改变主意，结果是白费心机。Day after day she waited in vain for him to telephone her. 日复一日，她徒劳地等待他的电话。8. at random随便地，任意地，胡乱地Choose a card at random from the deck. 从一副牌中任意选出一张The librarian took a book at random from the shelf. 图书管理员从书架上随便拿了一本书。9. enhance vt. 增加，提高巧记提示 en-（加强语气，变成）hance（拱起）经典例句Passing the English examination should enhance your chances of getting