高中英语必修五教案Unit 1 Great scientistsPeriod 1 Warming up and reading 课时：课型Type of Lesson: Reading学习目标Learning aims:1. To help students learn to describe people2. To help students learn to read a narration about John Snow3. To help studen ts better understand “Great scientists”教学重点Important Points:To help students learn to read a narration about John Snow教学难点Difficult Points:To help students learn to describe people教学反思Teaching Re-thinking:家庭作业Homework:教学过程Teaching Procedures:Warming up 热身Step I Lead in 导入Talk about scientist.T: Hi, morning, class. Nice to see you on this special day, the day when you become a senior two grader. I am happy to be with you helping you with your English. Today we are to read about a certain scien tist. But first let’s define the word “scientist”. What is a scientist?A scientist is a person who works in science, trying to understand how the universe or other things work.Scientists can work in different areas of science. Here are some examples: Those that study physics are physicists. Those that study chemistry are chemists. Those that study biology are biologists.Step II 头脑风暴Ask the students to try the quiz and find out who knows the most.T: There are some great scientific achievements that have changed the world. Can you name some of them? What kind of role do they play in the field of science? Do these achievements have anything in common? Match the inventions with their inventors below before you answer all these questions.1.Archimedes, Ancient Greek (287-212 BC), a mathematician.2. Charles Darwin, Britain (1808-1882). The name of the book is Origin of Species.3. Thomas Newcomen, British (1663-1729), an inventor of steam engine.4. Gregor Mendel, Czech, a botanist and geneticist.5. Marie Curie, Polish and French, a chemist and physicist.6. Thomas Edison, American, an inventor.7. Leonardo da Vinci, Italian, an artist.8. Sir Humphry Davy, British, an inventor and chemist.9. Zhang Heng, ancient China, an inventor.10. Stepper Hawking, British, a physicist.II. Pre-reading 预读Step IGet the students to discuss the questions on page 1 with their partners. Then ask the students to report their work. Encourage the students to express their different opinions.seven stages in examining a new idea in scientific research. And they can be put in the following order. What order would you put the seven in? Just guess.Find a problem→ Make up a question→ Think of a method→ Collect results→Analyse the results→ Draw a conclusion→ Repeat if necessaryUnit 1 Great scientistsPeriod 1 Warming up and reading 课时：课型Type of Lesson: Reading学习目标Learning aims:1. To help students learn to describe people2. To help students learn to read a narration about John Snow3. To help students better understand “Great scientists”教学重点Important Points:To help students learn to read a narration about John Snow教学难点Difficult Points:To help students learn to describe people教学反思Teaching Re-thinking:家庭作业Homework:教学过程Teaching Procedures:III. Reading 阅读Step I Pre-reading 预读1.Do you know John Snow?John Snow is a well-known doctor in th e 19th century in London and he defeated “King Cholera”.2.Do you know what kind of disease is cholera?It is a kind of terrible disease caused by drinking dirty water and it caused a lot of deaths in the old times and it was very difficult to defeat.Let’s get to know how Dr. John Snow defeated “King Cholera” in 1854 in London in this reading passage:Step II Skimming 扫读Read the passage and answer the questions.1.Who defeats “King Cholera“? (John Snow)2.What happened in 1854? (Cholera outbreak hit London.)3.How many people died in 10 days? (500)4.Why is there no death at No. 20 and 21 Broad Street as well as at No. 8 and 9 Cambridge Street?(These families had not drunk the water from the Broad Street pump.)(Optional)Skim the passage and find the information to complete the form below.Step III Scanning 找读Step V Group discussion 分组讨论Answer the questions (Finish exercise 2 on Page 3)1. John Snow believed Idea 2 was right. How did he finally prove it?(John Snow finally proved his idea because he found an outbreak that was clearly related to cholera, collected information and was able to tie cases outside the area to the polluted water.)2. Do you think John Snow would have solved this problem without the map?(No. The map helped John Snow organize his ideas. He was able to identify those households that had had many deaths and check their water-drinking habits. He identified those houses that had had no deaths and surveyed their drinking habits. The evidence clearly pointed to the polluted water being the cause.)3. Cholera is a 19th century disease. What disease do you think is similar to cholera today?(Two diseases, which are similar today, are SARS and AIDS because they are both serious, have an unknown cause and need public health care to solve them.)Step VI 概括总结Using the stages for scientific research and write a summary.Unit 1 Great scientistsPeriod 2&3 Language focus 课时：课型Type of Lesson: Words & Expressions学习目标Learning aims: To help students learn to use some important words and expressions教学重点Important Points: To help students learn to remember some important words and expressions 教学难点Difficult Points: To help students learn to use some important words and expressions教学反思Teaching Re-thinking:家庭作业Homework:教学过程Teaching Procedures:Step I Warming up 热身1.characteristic①n. a quality or feature of sth. or someone that is typical of them and easy to recongnize.特征；特性What characteristics distinguish the Americans from the Canadians.② a. very typical of a particular thing or of someone’s characer 典型性的，Such bluntness is characteristic of him.Windy days are characteristic of March.[辨析]characteristic与charactercharacteristic是可数名词，意为“与众不同的特征“character表示（个人、集体、民族特有的）“性格、品质”，还意为“人物；文字”What you know about him isn’t his real character.2. put forward: to state an idea or opinion, or to suggest a plan or person, for other people toconsider提出He put forward a new theory.The foreigners have put forward a proposal for a joint venture.An interesting suggestion for measuring the atmosphere around Mars has been put forward.☆ put on穿上;戴上;增加put out熄灭(灯);扑灭(火) put up with…忍受put down写下来;放下；put off 耽误; 延期put up建立; 建造,put up举起，搭建，粘贴3. analyze: to examine or think about something carefully in order to understand it vt.分析结果、检讨、细察A computer analyses the photographs sent by the satellite.The earthquake expert tried to analyze the cause of the earthquake occurred on May 12,2008.Let’s analyze the problem and see w hat went wrong.He analyzed the food and found that it contained poison.We must try to analyze the causes of the strike.☆ analysis n.分析，解析，分解4. conclude: decide that sth. is true after considering al the information you have 得出结论；推论出to end sth. such as a meeting or speech by doing or saying one final thing vt. & vi结束，终止；We concluded the meeting at 8 o’clock with a prayer.From his appearance we may safely conclude that he is a heavy smoker.What do you conclude from these facts?We conclude to go out / that we would go out.conclusion n.结论arrive at a conclusion; come to a conclusion; draw a conclusion; reach a conclusionWhat conclusion did you come to / reach / draw / arrive at?From these facts we can draw some conclusions about how the pyramids were built.Step 2 Reading1. defeat① vt. to win a victory over someone in a war, competition, game etc.打败，战胜，使受挫I’ve tried to solve the problem, but it defeats me!Our team defeated theirs in the game.② n.失败，输failure to win or succeedThis means admitting defeat.They have got six victories and two defeats.[辨析]win, beat与defeat①win “赢得”赛事、战事、某物；后接人时，意为“争取赢得…的好感或支持；说服”②beat “战胜”“击败”比赛中的对手，可与defeat互换We beat / defeated their team by 10 scores.They won the battle but lost many men.The local ball team won the state championship by beating / defeating all the other teams.I can easily beat /defeat him at golf.He is training hard to win the race and realize his dream of becoming a champion at the 2008 Olympic Games.2. expert①n. someone who has a special skill or special knowledge of a subject专家，能手an expert in psychology an agricultural expert② a. having special skill or special knowledge of a subject熟练的，有专门技术的an expert rider an expert job需专门知识的工作He is expert in / at cooking.3. attend vt. &vi 参加，注意，照料① be present at参加attend a ceremony / lecture / a movie / school / class / a meetingI shall be attending the meeting.Please let me know if you are unable to attend the conference.② attend to (on): to look after, care for, serve伺候, 照顾，看护The queen had a good doctor attending on her.Dr Smith attended her in hospital. 治疗Are you being attended to?接待Mother had to attend to her sick son.③ attend to处理，注意倾听attend to the matterA nurse attends to his needs.Can you attend to the matter immediately?I may be late – I have got one or two things to attend to.Excuse me, but I have an urgent matter to attend to.[辨析]attend, join, join in与take part in①attend指参加会议、上课、上学、听报告等②join 指加入某组织、团体，成为其中一员③join in指加入某种活动；表示与某人一起做某事join sb. in sth.④take part in指参加正式的、有组织的活动，切在活动中起积极作用Only 2 people attended the meeting.He joined the Communist Youth League in 2007.Will you join us in the game?We often tale part in the after-class activities.Unit 1 Great scientistsPeriod 2&3 Language focus 课时：课型Type of Lesson: Words & Expressions学习目标Learning aims: To help students learn to use some important words and expressions教学重点Important Points:To help students learn to remember some important words and expressions 教学难点Difficult Points:To help students learn to use some important words and expressions教学反思Teaching Re-thinking:家庭作业Homework:教学过程Teaching Procedures:4. expose : to show sth. that is usually covered暴露expose sth. to the light of day 把某事暴露于光天化日之下I threatened to expose him ( to the police). 我威胁要(向警察)揭发他.He exposed his skin to the sun.他把皮肤暴露在阳光下.The old man was left exposed to wind and rain.When he smiled he exposed a set of perfect white teeth.5. cure vt. & n. to make someone who is ill well agian治疗,痊愈When I left the hospital I was completely cured.①cure sb of a diseaseWhen you have a pain in your shoulders, you will go to see a doctor. The doctor will cure you.The only way to cure backache is to rest.He will cure the pain in your shouldersWhen I left the hospital I was completely cured.The illness cannot be cured easily.Although the boy was beyond cure, his parents tried to cure him of bad habits.②a cure for a diseaseAspirin is said to be a wonderful cure for the pain.There is still no cure for the common cold.Is there a certain cure for cancer yet?③a cure for sth.: to remove a problem, or improve a bad situation解决问题，改善困境The prices are going up every day, but there is no cure for rising prices.[辨析]cure与treat①cure主要指痊愈，强调的是结果②treat强调治疗过程，指通过药物、特别的食品或运动治疗病人或疾病，不强调结果。