英语Unit21Lesson3EpidemicsExplained教案北师大版选修7
英语：Unit21 Lesson 3 Epidemics Explained教案北师大版选修7.一教学设计,目的和思路、1.教材内容说明Epidemics explained 是北师大版教材选修模块7 的最后一个单元中的阅读课,介绍瘟疫在历史上的流行和发展, 文章生词量大, 有一定的教学难度.2.教学目的学生通过阅读课文, 了解文中一些科普知识, 学会描述瘟疫的特点, 掌握阅读科普文章的一些方法3.课堂形式提倡学生自学, 以检查预习, 合作讨论, 你说我猜的形式学习, 体现学生学习的主动性, 还课堂以学生4.教材内容的加工处理用相关插图, 图表等直观的教学形式, 让学生能更快理解课文; 必要的阅读指导,有利于学生技巧的形成; 相关文章的阅读, 能扩大学生知识面; 一些直观的教具如红丝带和抽象的音乐, 希望培养学生的人文素质和高尚情感二教学过程简述1.布置学生预习包括读单词, 找出文中数字的含义, 简单口头描述各次瘟疫的特点,做好文中的一道涉及段落补全的练习2.课文导入包括简介和听英文歌曲“Tears in heaven”, 讨论死亡的原因, 以及有哪些常见的瘟疫3.课文的阅读和学习Step 1: 阅读标题, 预测文章主题,同时找出文中主要瘟疫Step 2: 讨论数字在文中不同的含义, 进一步了解和熟悉课文Step 3: 进一步阅读文章, 了解造成瘟疫的元凶---病毒;描述瘟疫的传播途径, 找出各次瘟疫造成的巨大影响; 描述和猜测不同的瘟疫Step 4: 完成段落补全练习, 介绍相关方法4.点出阅读技巧5. 读一段有关爱滋病对儿童危害的文字, 提示我们应该做点什么课堂的延伸和升华Step 3 : Reading Strategies: how to read a science article1.Read the title carefully(1)To present question 1What’s the main idea of the text?A.New health threats is on the rise.B. A lot of epidemics happened in history.C.SARS used to be out of control, now people are trying to stop it on the track.D.We should pay more attention to our health.(2)We can predict what will happen in the text from the titleIn this text, some epidemics in the history will be talked.(3)Give more titles and ask the Ss what will be talkedA.EpidemicsB.Epidemics and economyC.SARSD.The history of the Black Death2. Read the text fast and get the general idea and basic information(1)To present question 2Read the following graphic and try to tell which epidemics are described?(To see the PPT.)(2)We will try to know some basic information about epidemics in history.3.Read the text carefully and understand related science termsIn this text, a lot of medicine words are involved.(1)To present question 3What does the word “affect” mean in the 5th paragraph?A 影响 B效果C感染D死亡(2)Now read the text carefully and complete the sentences using medicine words in the text:1.Bacteria and __________(病毒)have been around since the beginning of life onEarth.2.It’s important to look at the __________(传播)of diseases throughout historyto discover the __________(原因)and __________(影响) of epidemics.3.Another epidemic __________(开始) and __________(传播)in similar conditions wasthe Great Flu. It __________(侵袭)near the end of the first World War and __________(持续)after the war.4.Doct ors weren’t sure how to __________(治疗)or __________(预防)it and sincemost people had no natural __________(防御)against the disease, it was harmful to doctors.5.One half to one third of the population was __________(死于)to the Black Death.Less populated areas were less severely__________(感染).6.SARS epidemic quickly __________(扩大)across the globe. Health experts workedtogether to __________(阻止)the virus in its __________(路径).7.It __________(席卷)North Africa, the middle East and Europe.(3)While doing these kind o f exercise, explain some words such as “track”.4.Try to know more science knowledge through reading the text carefully(1)To present question 4The Black Death spread rapidly in Asia and Europe because_________A It was the terrible bubonic plague that returned.B There were so many people in these areas.C At that time, people didn’t know how to treat it.D People suffered from the bad climate , the war and hunger. There were so many people and they didn’t have daily health care.(2)To show a picture to demonstrate(3) To answer more questions about science knowledge●Why do we say epidemics have been with us for thousands of years? (ppt)●Why was bubonic plague one of the key cause in the fall of the Roman Empire?●How did SARS spread from Hong Kong to Canada, Vietnam and Singapore?●Why did many doctors and nurses become ill with SARS ?5.To figure out the development of the text(1)To introduce sequencing exercise (ppt )(2)To present question 5Read the whole text and match the five paragraph(A-E) with gaps 2,4,7,9 and 11 in the text(3) Read the text with gaps to get the general idea and see how it develops(4)To analyze the beginning and ending words of each paragraph6.Conclusion●Read (Find ) the title carefully●Read the text fast and get the general idea●Read the text carefully and understand related science terms●Try to know more science knowledge through reading the text carefully ●To figure out the development of the textStep 4:Read the text again and give your own questions using the strategies we have learnt1.Show an example about giving questionsQuestions about general ideaWhat can be inferred from the text?A.Epidemics develops with the development of human beingsB.An old epidemic will cause another oneC.Epidemics may disappear one day due to the development of medical scienceD.Epidemics can cause a lot of deaths.2.Show the Ss ways to ask questions●The purpose of the writer is to---●The story tells us that----●According to the text,---- ---●It can be learned from the text that----●The best title for the text would be---●Which of the following statement is true (false)?●Arrange the event in the text according to the correct order.●After reading the text, we know that---●The word “---” in the text means-----●What’s the Chinese meaning of these words?●The word “---”can be replaced by---●Why----- ?●What is the reason for-----?●What is----?●We learn from the text that -----3.The Ss are asked to give out their own questions in groupsGroup 1-2: questions about basic details in the textGroup 3-4: questions about wordsGroup 5-6: questions about science knowledgeGroup 7-8: questions about sequencing4.Ask the Ss to change their questions and answer it.Good question: 1o score Good answer: 6 scoreOrdinary question: 7 score Ordinary answer : 4 score Bad question: 4 score Wrong answer: 2 scoreStep 5: HomeworkRead another science article and give 5 questions of your own。
北师大版选修七Unit21-lesson3-Epidemics-explained教案
Unit 21 Human BiologyLesson 3 Epidemics explained教案一教学设计,目的和思路、1.教材内容说明Epidemics explained 是北师大版教材选修模块7 的最后一个单元中的阅读课,介绍瘟疫在历史上的流行和发展, 文章生词量大, 有一定的教学难度.2.教学目的学生通过阅读课文, 了解文中一些科普知识, 学会描述瘟疫的特点, 掌握阅读科普文章的一些方法3.课堂形式提倡学生自学, 以检查预习, 合作讨论, 你说我猜的形式学习, 体现学生学习的主动性, 还课堂以学生4.教材内容的加工处理用相关插图, 图表等直观的教学形式, 让学生能更快理解课文; 必要的阅读指导,有利于学生技巧的形成; 相关文章的阅读, 能扩大学生知识面; 一些直观的教具如红丝带和抽象的音乐, 希望培养学生的人文素质和高尚情感二教学过程简述1.布置学生预习包括读单词, 找出文中数字的含义, 简单口头描述各次瘟疫的特点,做好文中的一道涉及段落补全的练习2.课文导入包括简介和听英文歌曲“Tears in heaven”, 讨论死亡的原因, 以及有哪些常见的瘟疫3.课文的阅读和学习Step 1: 阅读标题, 预测文章主题,同时找出文中主要瘟疫Step 2: 讨论数字在文中不同的含义, 进一步了解和熟悉课文Step 3: 进一步阅读文章, 了解造成瘟疫的元凶---病毒;描述瘟疫的传播途径, 找出各次瘟疫造成的巨大影响; 描述和猜测不同的瘟疫Step 4: 完成段落补全练习, 介绍相关方法4.点出阅读技巧5. 读一段有关爱滋病对儿童危害的文字, 提示我们应该做点什么课堂的延伸和升华三感受体会在教学过程存在一些问题, 最主要的是课堂时间的把握和安排. 在设计中内容太多, 在课堂上有些环节没有把握好, 如讨论数字用时过多; 提问学生差生面多, 造成进展不顺; 全班朗读课文也费时太多.下面谈谈我本人对这次活动的感想:1.还课堂与学生由于面临着高考的压力, 我们平时的教学中有时舍不得拿出时间让学生在课堂上说,讨论, 而且要设计直观有效的练习形式也相对费力; 可是英语课上我们还是可以还课堂与学生, 尽量让他们自己来学会学懂2.教师的工作真的是只有更好, 没有最好我的教案前期后后修改了几次, 我自己都觉得惊奇: 一堂课, 可以这样上, 也可以那样上, 前后顺序可以不一样, 教学重点可以不一样, 课堂形式可以有天壤之别---那些天我满脑子都在想这堂课要怎么上呢? 而你自己想的和学生的实际情况也不一定想府, 你觉得感动的歌学生可能听不懂, 这个班学生都会的问题, 另一个班的学生会表现出不知所措( 如知道病毒造成瘟疫, 2班学生感到困难, 这是我没有料想到的)---这份工作真的是要有极大的热情才能做3.我学会了许多东西我在和大家的讨论中, 进一步地思考课堂结构和课堂节奏的安排问题; 由于这一次公开课的主题是学法研讨, 我更多地关注学生在课堂上的表现; 在孔艳焰老师帮我润色修改课件的过程中, 我学到了许多电脑知识---我还了解了自己的许许多多不足之处, 明白自己努力的方向4.我心中充满了感激我感谢学校安排的这次活动, 使我们有学习交流的良好契机: 我感谢高中学段英语组全体老师对我的信任和无私的帮助, 使我有了锻炼和提高的机会; 希望大家多多指出我的不足, 使我能够不断进步; 也希望我们要更多的机会学习交流, 把我们的工作越做越好.Teaching Aims:To read an article about epidemicsTo improve the Ss’ readin g abilityTo improve the Ss’ speaking abilityLearning method: ConcludingTeaching procedure:Step 1: AddressingStep 2:Lead-in1.Listen to the song “Tears in heaven” .2.What’s your feeling after hearing the song?3.Why was the singer so sad?4.What else may cause death?5.Epidemics can cause more deaths than anything else.Step 3 : Reading Strategies: how to read a science article1.Read the title carefully(1)To present question 1What’s the main idea of the text?A.New health threats is on the rise.B. A lot of epidemics happened in history.C.SARS used to be out of control, now people are trying to stop it on the track.D.We should pay more attention to our health.(2)We can predict what will happen in the text from the titleIn this text, some epidemics in the history will be talked.(3)Give more titles and ask the Ss what will be talkedA.EpidemicsB.Epidemics and economyC.SARSD.The history of the Black Death2. Read the text fast and get the general idea and basic information(1)To present question 2Read the following graphic and try to tell which epidemics are described?(To see the PPT.)(2)We will try to know some basic information about epidemics in history.3.Read the text carefully and understand related science termsIn this text, a lot of medicine words are involved.(1)To present question 3What does the word “affect” mean in the 5th paragraph?A 影响B效果C感染D死亡(2)Now read the text carefully and complete the sentences using medicine words in the text:1.Bacteria and __________(病毒)have been around since the beginning of life onEarth.2.It’s important to look at the __________(传播)of diseases throughout history todiscover the __________(原因)and __________(影响) of epidemics.3.Another epidemic __________(开始) and __________(传播)in similar conditionswas the Great Flu. It __________(侵袭)near the end of the first World War and __________(持续)after the war.4.Doctors weren’t sure how to __________(治疗)or __________(预防)it and sincemost people had no natural __________(防御)against the disease, it was harmful to doctors.5.One half to one third of the population was __________(死于)to the Black Death.Less populated areas were less severely__________(感染).6.SARS epidemic quickly __________(扩大)across the globe. Health expertsworked together to __________(阻止)the virus in its __________(路径).7.It __________(席卷)North Africa, the middle East and Europe.(3)While doing these kind of exercise, explain some words such as “track”.4.Try to know more science knowledge through reading the text carefully(1)To present question 4The Black Death spread rapidly in Asia and Europe because_________A It was the terrible bubonic plague that returned.B There were so many people in these areas.C At that time, people didn’t know how to treat it.D People suffered from the bad climate , the war and hunger. There were so many people and they didn’t have daily health care.(2)To show a picture to demonstrate(3) To answer more questions about science knowledge●Why do we say epidemics have been with us for thousands of years? (ppt)●Why was bubonic plague one of the key cause in the fall of the Roman Empire?●How did SARS spread from Hong Kong to Canada, Vietnam and Singapore?●Why did many doctors and nurses become ill with SARS ?5.To figure out the development of the text(1)To introduce sequencing exercise (ppt )(2)To present question 5Read the whole text and match the five paragraph(A-E) with gaps 2,4,7,9 and 11 in the text(3) Read the text with gaps to get the general idea and see how it develops(4)To analyze the beginning and ending words of each paragraph6.Conclusion●Read (Find ) the title carefully●Read the text fast and get the general idea●Read the text carefully and understand related science terms●Try to know more science knowledge through reading the text carefully●To figure out the development of the textStep 4:Read the text again and give your own questions using the strategies we have learnt1.Show an example about giving questionsQuestions about general ideaWhat can be inferred from the text?A.Epidemics develops with the development of human beingsB.An old epidemic will cause another oneC.Epidemics may disappear one day due to the development of medical scienceD.Epidemics can cause a lot of deaths.2.Show the Ss ways to ask questions●The purpose of the writer is to---●●The story tells us that----●According to the text,-------●●It can be learned from the text that----●The best title for the text would be---●●Which of the following statement is true (false)?●Arrange the event in the text according to the correct order.●After reading the text, we know that---●●The word “---” in the text means-----●What’s the Chinese meaning of these words?●The word “---”can be replaced by---●●Why----- ?●●What is the reason for-----?●What is----?●We learn from the text that -----3.The Ss are asked to give out their own questions in groupsGroup 1-2: questions about basic details in the textGroup 3-4: questions about wordsGroup 5-6: questions about science knowledgeGroup 7-8: questions about sequencing4.5.Ask the Ss to change their questions and answer it.Good question: 1o score Good answer: 6 scoreOrdinary question: 7 score Ordinary answer : 4 score Bad question: 4 score Wrong answer: 2 score Step 5: HomeworkRead another science article and give 5 questions of your ownTears in HeavenWould you know my nameif I saw you in heaven?Would you feel the sameif I saw you in heaven?I must be strong and carry on'Cause I know I don't belong here in heaven...Would you hold my handif I saw you in heaven?Would you help me standif I saw you in heaven?I'll find my way through night and day'Cause I know I just can't stay here in heaven..Time can bring you down,time can bend your kneesTime can break your heart,have you begging please，begging please...Beyond the door there's peace I'm sureAnd I know there'll be no more tears inheaven...歌手简介:1945年3月30日Eric Patrick Clapton出生于英国萨里郡的瑞普雷在演出过程中逐渐形成了自己的蓝调风格,是摇滚乐坛中首屈一指的吉他大师.五十多岁方育得一子，然造化弄人，稚龄爱子竟从纽约数十层高的公寓阳台意外摔下身亡，这个打击几乎让他再度一蹶不振，不过将近50岁的Eric Clapton将他思念之苦寄情歌中，于是产生"Tears In Heaven"这首歌，它首先被收录于电影《迷途枷锁》(Rush)的原声带中，他的歌声苍凉悲壮却又柔情似水，能够净化人的灵魂。
高二英语：Unit21 lesson3 epidemics explained课件北师大
21.such as adv.例如...,象这种的;诸如..., 譬如说; 象...那样的; 如此...以致 Eg. such things as iron, silver, and gold铁、银和金这一类东西 22.natural defences against the disease 对抗这种病的自然抗体 23.be harmful to Eg. Smoking can be harmful to your health.吸烟对身体有害。 24.make up v.弥补, 虚构, 缝制, 整理, 包装, 和解, 编辑, 化妆;补足,拼凑 Eg. She made up her face to look prettier. 她把脸化了妆以便看上去漂亮些。 The boy made up a story; it was not true. 男孩编了个故事，这故事不是真的。 make up a bed整理床铺 25.expand across expand vt.使膨胀, 详述, 扩张 vi.张开, 发展 Eg. The bird expanded its wings and flew off.鸟展开翅膀飞走了 expand one's view阐述自己的观点
16.one half to one third of the population was lost to the Black Death 有三分之一到一半的人死于黑死病. be lost to不再属于...所有;对...无动于衷 17.it is believed to be…被认为是… 18. die of the flu 死于, 因...而死 .die in the war 19.begin with 首先, end with 以...结束 Eg. Knowledge begin with practice.认识从实践开始。 to begin with首先；第一点（理由） Eg. We can't go. To begin with, it's too cold. 我们不能去。首先，天太冷了。 end up with 以告终 Eg. He ended his letter off with good wishes to his friend. 他给朋友的信以祝好这句话结束。 The meeting ended up with the singing of The Internationale. 会议最后以唱《国际歌》而结束。 20.the number of 总数；总和 作为一个集合名词， number既可以跟动词单数形式也可以跟动词复数形式。 当它前面是定冠词 the时，后跟单数动词. Eg. The number of skilled workers is small.熟练工人数较少。 A number of the workers are unskilled.许多工人技术不熟练
Unit 21 Human Biology Lesson 3 Epidemics Explained 课件-北师大版高中选修7精品
[归纳拓展] faith n．信心，信任；诚意，善意 have faith in sb.信任某人/对某人有信心 lose faith in对……失去信心/不再相信 in good faith真诚；诚心诚意地 faithful adj.忠诚的；诚实的，如实/一丝不变的；可信 任的 be faithful to忠实于，忠诚于 faithfully adv.准确地；如实地；忠实地
(3)—The man is said to have been to many places.
—No wonder that he knows so much. ——据说那人去过很多地方。 ——难怪他知道的那么多。
4．It struck near the end of the First World War and left
families mourning worldwide. 它爆发于第一次世界大战接近尾声时，使全球的家庭陷
入了一片哀声之中。
[归纳拓展] 本句中使用了“leave＋宾语＋宾补”的结构，其常见句 式结构为：
doing(表示与宾语之间是主动关系，且具
有正在进行的含义)
leave＋宾 语＋宾补
done(表示与宾语之间是被动关系) to do(表示与宾语之间是主动关系，
他建议再举行一次会议，以表示他的诚意。
(2)The lovers promised to be faithful forever.
这对情人互相许诺永不变心。
Modern communication technology and medical research techniques allow health experts all over the world to unite，share knowledge，and work together without pause to help put SARS behind us.
2017--2018学年北师大版选修七Unit 21 human biology lesson 3 Epidemics Explained学案 (1)
Unit 21 human biology lesson 3 Epidemics Explained学案1．Having_killed_up_to_50_million_people_in_18_months,_with a tendency to strike the young and fit rather than the old, the Spanish Flu is believed to have been the most acute epidemic in history.西班牙流感在18个月的时间里就杀死了5 000万人，它有传染年轻人和身体健康的人而不是老年人的倾向；西班牙流感被认为是人类历史上最严重的传染病。
(1)having killed ...是现在分词的完成式，现在分词强调明显先于句子谓语动词的动作，常与for ... years, many times等时间状语连用。
Having lived with her for 5 years, he knows her very well.与她一起生活了五年，他非常了解她。
(2)现在分词完成式的否定形式为：not having done; 被动形式为：having been done。
Having been told many times, he still repeated the same mistake.尽管被告诉过很多次了，他仍然犯同样的错误。
Not having checked the watch the night before, they found it stopped when they woke up.由于前一天晚上没有检查表，他们醒来时发现它已经停了。
1．单句语法填空①Having_finished (finish) his homework, he went out playing with others.②Having_been_told (tell) that he didn't pass the exam, he felt extremely sad.③Having_been_shown (show) around the school, we had a rest.2．完成句子④我没有见过他，所以说不出他的模样。
2017--2018学年北师大版选修七Unit 21 human biology Lesson 3 Epidemics Explained学案 (2)
Unit 21 Lesson 3 Epidemics Explained学案Epidemics throughout history2.了解传染性的疾病，提高警惕。
3.掌握课文大意，了解课文结构。
1.___________________________________________________2.________ ___________________________________________3.___________________________________________________4.___________________________________________________Exercise 4 Page 39 Write down your answers.1.____________________________________________________________________2._______________________________________________________________ _____3.___________ _________________________________________________________4.____________________________ ________________________________________5.____________________________________________________________________Write about the pictures below. Try to use as many newly learned words as possible.Last Friday, attack, lose, medical teams, acute, epidemic, spray medicineprohibit sb. from doingWhat happened ？ What is the problem? What has been done?_______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Read the text again and fill in the missing information based on the text.Five killer 1. ____________ are talked about in the text. They are Justinian Plague ，2._______________,3.______________, SARS and4.____________. Justinian Plague, the earliest5. ___________ about 500-550 AD when the Roman6. _________ was attempting to7.____________ the Roman Empire. This epidemic8._________ through North Africa, the Middle East and Europe. It is supposed to9.__________ up to 50% of the area’s population and thus led to the fall of 10.__________________.The SARS epidemic appeared in 2002, as it was completely new, there were no 10___________ drugs or 11.______________ to treat it and doctors were not sure how to prevent it either. However, ever since then,12.__________ have been done on 13. _____________ to prohibit any further 14.__________. Thanks tomodern technology, medical workers all over the world are able to work together without pause to help put SARS 15. _________ us.测试报34期4篇阅读理解。
2017--2018学年北师大版选修七Unit 21 human biology Lesson 3 Epidemics Explained学案1
Unit 21 Lesson 3 Epidemics Explained学案Epidemics throughout history 第二课时教学目标（Objectives）1.分析长难句，理解课文。
2.掌握重点词汇，短语和句型。
情感态度了解传染病对人类的危害，进一步认识良好生活习惯的重要性。
重点和难点：1.识别课文结构，用自己的话归纳信息。
2.分析课文中的长难句，提高阅读能力教学方法Task-based Approach教具Dictionary, Multimedia and Blackboard教学过程Step1 Greetings and the daily routineGreet the whole class .Let them read the encouraging sentence on the blackboard together twice.Regret is just a waste of time.It neither changes the past nor creats the future.So work hard now.Step2 Check the new words in this passageDicate new wors of this passage.(We have leant and recite the new wors early in the morning.)Let two volunteers write on the blackboard.Step3 学习重点词汇和短语，分析长难句First,work in groups to learn some useful phrases and translate some sentences.1．wipe out(1)彻底摧毁；消灭The plague once could wipe out a village.鼠疫曾一度可以夺走整村人的生命。
高中英语Unit21HumanBiologyLesson3EpidemicsExplained教案北师大版选修720171027122
Unit 21 Human Biology Lesson 3 Epidemics Explained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。
高中英语北师大版选修七 Unit21 Lesson 3 Epidemics Explained Re
The Spanish Flu
a. also called the Great Flu Epidemic
b. the most acute Epidemic
c. struck near the end of World War I
d. more death of the flu than that in the war
worldwide.
(T )
5) Epidemics can wipe out up to half of
the population in urban areas. ( T )
6) More people died of a flu epidemic in
1918/1919 than died in World War I.
A
Paragraph 3
B
Paragraph 5
C
Paragraph 8
D
Paragraph 10
En the text carefully again and
finish the table with your partner.
Number of
Time Epidemic Areas
SARS
a. most people having no natural defenses against the disease
b. yet , it has been forgotten by history
c. completely new to physicians
Complete these sentences about the text in your own words.
Work in groups of four and talk about: How did you feel after reading the article?
Unit 21 Lesson 3 Epidemics Explained 教学设计-优质公开课-北师大选修7精品
Unit 21 Lesson 3 教学设计Teaching Aims1. To learn the words and phrases of the text2. To practice the reading strategies3. To complete the exercises about the text4. To learn vocabulary: SynonymsTeaching Important & Difficult Points:To practice the reading strategiesTeaching Aids: students’ books，picturesTeaching Procedures:Step 1 New words & expressions1. Introduce the skills of memory to Ss as a reference.2. Measures for teaching & learning①Ask some students to read the new words first and correct their pronunciation②Play the tape and have them read after the tape③Give them a few minutes to read the new words freely，tell them if they can’t read the words，encourage them to ask the teacher .Step 2 Reading1. Ask Ss to read the key words in Ex. 1 and guess their meanings.2. Let Ss discuss in pairs which of those diseases can be or are epidemicsAnswers: AIDS，flu3. Do Ex.2 by themselves in pairs. Then check their answers on page 1034. Let the students read Reading Strategies.5. Students then read quickly through the text to get a general idea of it.6. For Ex.3. Ss complete the text with the missing paragraphs.Answers: 3.A 5.E 8.C 10.D 12.B7. Give students a few minutes to do Ex.4Step 3 Language Points1. on record 记录在案，备案He ran the fastest race on record.他跑出了记录在案的最好水平。
【教学设计】Unit 21 Lesson 3(北师大)
Give students 3-4mins to talk about: work in group of 4
Imagine you are a futurologist. Now you predict an epidemic in the future. Try to use as many words and expressions you have learnt in thepassage as possible.
Most people had no natural defensesPerfect conditions were providedfor the disease to spread
It was completely new to physicians
Most people had no natural defenses against the disease Yet, it has been forgotten by history
【情感态度价值观目标】
To make the students the real masters in class and develop the students' awareness of self-learning.
【教学重点】
The usage ofsynonyms.
【教学难点】
1. To practiceusing the vocabulary of illness.
Unit 21 HUMAN BIOLOGY
Lesson 3 Epidemics Explained
This unit is about HUMAN BIOLOGY. Epidemics Explained is the last lesson of Unit21.It is about theusage ofsynonyms.