英语北师大版选修7 Unit21 Lesson 1《Super Athletes》课件
If he has time, he will come. We won’t succeed unless we plan well. (unless= if---not) 从句用一般现在时或现在完成时， 主句用一 般将来时
If I were a millionaire, I would buy a big house. If I were the girl in the story, I would call the police at once. Tomorrow I will go to USA. If I were in China, I would make dumplings with you.
3. If he missed the bus, he _____ to school on foot. A. would go B. went C. would have gone D. had gone 4. Had I known her name, ______. A. or does she know mine B. she would come here C. I would have invited her to lunch D. she had come
表示与现在或将来事实相反 从句 主句 过去式 would + V原
I was on my own yesterday. If they had invited me, I would have gone to the party. I went to library yesterday. If I had went to the concert, I would have taken photos with the singers. He had traffic accident yesterday. If he had driven more carefully, he would have arrived home safely. 表示与过去事实相反 从句 had done 主句 would have done
5. ---Did you hear what Jack said to his parents? ---Yes, and I ____ talk that way if I ____ Jack. A. won’t, am B. wouldn’t, were C. couldn’t, were D. didn’t, were
I didn’t see your sister at the meeting. If she ____, she would have met my brother. A. has come B. did come C. came D. had come You didn’t let me drive. If we ____ in turn you _____ so tired. A. drove; didn’t get B. drove; wouldn’t get C. were driving; wouldn’t get D. had driven; wouldn’t have get
1. If you ____ at school, you ____ a college student now. A. had studied hard; would have been B. should have studied hard; should have been C. had studied hard; would be D. would study hard; must have been
Discuss in pairs and answer the following questions.
1. What do you think of chewing gum? Is it good or bad for you? 2. Do you or your friends /family buy it? Why? 3. What do you do after chewing it?
1._________ bad breath
2. ____________ tooth decay
3._______weight
4. __________ smoke
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?
如果过去天气好一些， 现在庄稼还会长得 更好。 If the weather had been more favourable, the crops would be growing still better.
(注意：白字代表过去， 黄字代表现在或将 来)
要是大夫昨晚来得早一点， Amy 今天还活 着。 If the doctor had come sooner last night, Amy would be alive today. 如果他多得六票， 他现在就是我们的主席。 If he had received six more votes, he would be our chairman now.
It is about whether chewing gum is good or bad for you.
Read the text quickly and divide it into four parts , then summarize the main topic of each part. Part 1(paragrah --- ) Part 2(paragraph -- Part3(paragraph -- Part4(paragraph ---
7. It ____ a different matter now if you ____ his advice. A. is, had followed B. was, followed C. might be, had followed D. might be, followed 8. The soldier died in the hospital. He ___ if the doctor ____ on him two hours before. A. might be saved, operated B. could have been saved, had been operated C. could be saved, had operated D. could have been saved, had operated
Look at the title of the magazine article and predict which issues may be covered in the article. Then read the article quickly and see if any of your guesses are right?
) )
)
Advantage
Helping people:
Disadvantage
1.making digestions __________________ 2. Causing feelings of __________________ 3. Leading to _________ ______________ 4. Making people neglect_____________ _____________________
6. He ___ you if you ____ to see him this afternoon. A. might tell, went B. might tell, are going C. might have told, went D. should tell, will have相反 从句 主句 If + 主语+ 过去式 主语+ would +V原 If + 主语+ had done 主语+ would have done
从句
与现在 If + 主语+ 一般 或将来 过去式 相反
主句
主语+ would+ V原
与过去 If + 主语+过去完 主语+ would + have done 相反 成时
---If he ___, he ____ that food. ---Luckily he was sent to the hospital immediately. A. was warned; would not take B. had been warned; would not have taken C. would be warned; had not taken D. would have been warned, had not taken
2. ____ you ____ to the teacher, you ___ how to use the idioms now. A. Had, listened, would know B. If, listen, know C. If, had listened, would have known D. Had, listened, know
合集下载
北师大版高中英语选修七Unit 21《Lesson 1 Super Athletes》教案 1
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。
高二英语北师大版选修七课件Unit21SectionⅠWarmupSuperAthletes
1．选词填空： circle, circular, circulate, circulation ①She paid a circular visit among her relations. ②We observed the circulation of blood in frogs. ③The children linked hands to make a circle . ④The old man devotes himself to circulating Chinese traditional culture.
as fast as athletes today. B．Doping is a huge problem in the sporting world. C．The present and future of the sporting world is being seriously
and negatively affected by doping and gene-therapy. D．Ben Johnson, Florence Griffith and Floyd Landis have all
Please match champion athletes with their achievements.
Байду номын сангаас
a．Won gold in men's 200m freestyle final.(2016) b．Won gold in the 200m individual medley.(2016) c ． His achievements as a sprinter have earned him the
•Performanceenhancing drugs are originally developed to help
北师大版必修7 Module 21 lesson 1 Super Atheletes.ppt
Badminton men's singles
第26金：羽毛球男单——林丹
Men's Artistic Gymnastics Beam
第27金：男子自由体操——邹凯
balance beam (gymnastics)
第33金：体操女子平衡木——邓琳琳
Part II
First Reading
100 metres in 8 seconds?
for specific information
Part Ⅱ (Para.3-6)
Doping are originally developed to help people with illness 1.________________ But in the wrong hands, doping creates supreme athletes 2._______________. It also causes serious health problems 3.__________________for abuse them. those who 4.______
Floyd Landis is an American cyclist, currently suspended （暂停、延缓） from competition, who was stripped of（剥夺 ) overall victory in the 2006 Tour de France(环 法自行车赛 )for a doping offense.）
Xu Haifeng for shooting
7. What are the three words that show the spirit of the Olympic Games?
北师大版高中英语选修七Unit 21《Lesson 1 Super Athletes》课件 Language Points 2
完成句子
①我领悟了书中大部分要点。
I have
in the book.
②这位老人一直读每月新闻摘要。
The old man has been reading
.
【答案】 ①digested most of the important points
②monthly news digest
2．swap v．交换；交流 Write down five telephone numbers and swap with your partner.(P33) 写下五个电话号码并且与你的搭档交换。 People can swap their rice for wheat in the South. 在南方，人们可以拿大米换小麦。 I usually swap views with my friends online. 我通常和我的朋友在网上交流意见。
●新课导入建议 用多媒体向学生展示一段 2012 年第 30 届伦敦奥运会上 男子 100 米飞人大战，博尔特以 9 秒 63 破奥运纪录卫冕的视 频，从而引出本课时话题。(老师让 xxx 同学读一读他/她写的 短文)。
●教学流程设计
演示结束
1．digest vt.&vi.(P33)消化；吸收；领悟 You should allow a little time after a meal for the food to digest.饭后你应该留点时间让食物消化。 He paused，waiting for her to digest the information. 他停了下来，等她慢慢领会这一信息。
seek for/after 找寻；寻求 seek to do sth.试图做某事 seek out 找到；寻出 seek into 仔细检查 seek one's fortune 外出寻找发财机会；外出闯荡 seek sth.from sb.向某人请求某事
Module 7 Unit 21 Lesson 1北师大
Unit 21 Human Biology Lesson 1 Super Athletes
Super Athletes
Ben Johnson 汉城奥运会以惊人 成绩打破男子百米 世界纪录并夺得金 牌
Maurice Greene 第一位同时拥有50 米、60米和100米3 项世界记的男选手。
Florence Griffith 奥运短跑三项金牌得 主，同时也是100米 及200米短跑的世界 纪录保持人
Yi Siling, the winner of the 10m air rifle event
Part II
First Reading
100 metres in 8 seconds?
1) What is the general idea? A. The athletes who took part in the first Olympic Games are not as fast as athletes today. B. Doping is a huge problem in the sporting world. C. The present and future of the sporting √ world is being seriously and negatively affected by doping and gene-therapy. D. Ben Johnson, Florence Griffith and Floyd Landis have all shocked the world by their speed.
3) Which of the following is NOT true about gene-therapy? A.It’s much harder to catch athletes who have used gene-therapy. B. Scientists have found that gene-therapy √ can damage an athlete’s liver. C. If athletes use gene-therapy, we will see world records being beaten like never before. D. Using gene-therapy to do better in sports is also cheating like taking drugs.
Super Athletes
Ben Johnson 汉城奥运会以惊人 成绩打破男子百米 世界纪录并夺得金 牌
Maurice Greene 第一位同时拥有50 米、60米和100米3 项世界记的男选手。
Florence Griffith 奥运短跑三项金牌得 主，同时也是100米 及200米短跑的世界 纪录保持人
Yi Siling, the winner of the 10m air rifle event
Part II
First Reading
100 metres in 8 seconds?
1) What is the general idea? A. The athletes who took part in the first Olympic Games are not as fast as athletes today. B. Doping is a huge problem in the sporting world. C. The present and future of the sporting √ world is being seriously and negatively affected by doping and gene-therapy. D. Ben Johnson, Florence Griffith and Floyd Landis have all shocked the world by their speed.
3) Which of the following is NOT true about gene-therapy? A.It’s much harder to catch athletes who have used gene-therapy. B. Scientists have found that gene-therapy √ can damage an athlete’s liver. C. If athletes use gene-therapy, we will see world records being beaten like never before. D. Using gene-therapy to do better in sports is also cheating like taking drugs.
英语北师大版选修7Unit21Lesson1《SuperAthletes》课件
• 6. He ___ you if you ____ to see him this afternoon.
• A. might tell, went • B. might tell, are going • C. might have told, went • D. should tell, will have gone
• 3. If he missed the bus, he _____ to school on foot.
• A. would go B. went • C. would have gone D. had gone
• 4. Had I known her name, ______. • A. or does she know mine • B. she would come here • C. I would have invited her to lunch • D. she had come
1.making digestions __________________ 2. Causing feelings of __________________
3. Leading to _________ ______________ 4. Making people neglect_____________ _____________________
• I went to library yesterday. If I had went to the concert, I would have taken photos with the singers.
• He had traffic accident yesterday. If he had driven more carefully, he would have arrived home safely.
Unit21HumanBiologyLesson1SuperAthletes北师大版高中英语选修7
6. seek (sought, sought) vt.寻找；探求；追求；征求；试图
知识拓展：
①seek help from sb向某人请求帮助 seek for寻求,寻找 seek out找出,挑出 seek to do sth试图去做某事 seek one’s advice向某人征求意见 seek one’s fortune寻找出路,寻找发迹的机会 seek after追求
4. abuse vt.辱骂;滥用;虐待 n.滥用;虐待;辱骂,恶语
知识拓展：
abuse one’s position as...滥用……的职务 abuse one’s power滥用职权 abuse one’s trust背信弃义 drug/alcohol abuse吸毒/酗酒
语境巧练 [用所给词的适当形式填空] ①The land is a living thing.It will hit back at you if you abuse (abuse) it. ②I never expected that he would abuse (abuse) the trust I placed in him. [完成句子] ③父母还应自己不酗酒为孩子做出榜样。 Parents also should set an example to their children by not abusing alcohol .
②seeker n.搜索者;探求者
语境巧练
[单句语法填空]
①They heard the barking of the lost dog and sought (seek) it out. ②Besides,businesses seek to appeal (appeal) to customers’ senses.
(北师大)英语选修7：Unit 21《Section Two Super Athletes》
Part Ⅲ(para7)
Find out some information about gene therapy.
Unit 21 Human Biology
dash n. 短跑
Ben Johnson
Maurice Greene Usain Bolt
Lesson 1 Super Athletes
❖ Learning objectives: ❖ At the end of this lesson, you will:
d) Ben Johnson, Florence Griffith and Floyd Landis have all shocked the world by their speed.
Fast-reading:Find a topic for each paragraph
a.“Gene-therapy” is the real threat. 7 b. The effect of doping. 3 c. The Olympic ssppiirriitt has been violated. 8 d. Records fall year after year. 1 e. Doping is a kind of cheating. 4 f. Records fall but not because of
a) The athletes who took part in the first Olympic Games are not as fast as athletes today.
b) Doping is a huge problem in the sporting world.
c) The present and future of the sporting world is being seriously and negatively affected by doping and gene-therapy.
北师大版高中英语 选修七 unit 21 Human Biology Lesson 1 Super Athletes A名师公开课精品课件 (30)
菜
单
BS ·英语 选修7
教 学 目 标 分 析
A quarter of boys and nearly 30 percent of girls were sedentary and didn't get enough exercise with girls less active than boys in every country aside from Zambia. Uruguay had the highest percentage of active boys， at 42 percent，while Zambia had the lowest，at 8 percent.Girls
课 前 自 主 导 学
教 学 方 案 设 计
菜
单
BS ·英语 选修7
教 学 目 标 分 析
The researchers defined adequate physical activity as at least an hour of exercise outside of gym class at least five days a week.Children who spent three or more hours a day watching TV，playing computer games ， or chatting with friends － aside from time in school or time spent doing
菜
单
BS ·英语 选修7
教 学 目 标 分 析
From Argentina to Zambia ， Regina Guthold of the World Health Organization in Geneva and her colleagues found most children aren't getting enough exercise and it made no difference if they lived in a rich or a poor country. “With regards to physical activity levels，we did not find much of a difference between poor and rich countries，”Guthold said.
北师大版高中英语选修七Unit 21Human Biology Lesson 1 Super Athletes B名师公开课精品课件(38张)
寻找；探索；追求 徒然，白费力气 随便地，随意地 不论多大代价，无论如何 由于 偶然遇见 促成；导致 沉默地，默不作声地 或多或少，大约 气喘吁吁地 (机械、场所等)在使用中
1．in vain徒然，白费力气 [教材原句] Floyd Landis made several lame excuses
in general in secret in surprise
大体上 秘密地 惊奇地
in particular
in return in turn in effect
特别地
作为报答；作为回应 反过来 实际上
②I asked her opinion, but she just asked me a question
other participants are only tested at random. 获胜者被强制性地进行检查，而其他参赛选手则只是随意地 检查。 ①She wrote several winning numbers at random. 她随便写了几个中奖号码。
②Feeling bored, we wandered through the streets in the city
点此进入
1．[句型展示]
Ben Johnson would still be the 100 metres
world record holder if he had not been caught taking
drugs in the 1988 Olympics. 1988年的奥运会上，如果本· 约翰逊没有被查出服用兴奋 剂的话，他还可能是百米赛跑世界纪录的保持者。 [典例背诵] Diana was caught taking money from her mother's purse. 戴安娜从她母亲钱包里拿钱时被当场发现。