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1、（最新）高中英语教案Unit 1 Great scientists Teaching aims 1. To help students learn to describe people 2. To help students learn to read a narration about John Snow 3. To help students better understand “Great scientists” 4. To help students learn to use some important words and expressions 5. To help student
2、s identify examples of “The Past Participle (1) as the Predicative & the attribute” Period 1 Warming up and reading Teaching Procedures I. Warming up Step I Lead in 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 hap
3、py to be with you helping you with your English. Today we are to read about a certain scientist. But first lets 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
4、 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 Ask the students to try the quiz and find out who knows the most. T: There are some great scientific achievements that have ch
5、anged 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. Cha
6、rles 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、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 Step I Get the students to discuss the questions on page 1 with their partners. Then ask the students
8、 to report their work. Encourage the students to express their different opinions. 1. What do you know about infectious diseases? Infectious diseases can be spread to other people. They have an unknown cause and need public health care to solve them. People may be exposed to infectious disease, so m
9、ay animals, such as bird flu，AIDS, SARS are infectious diseases. Infectious diseases are difficult to cure. 2. What do you know about cholera? Cholera is the illness caused by a bacterium called Vibrio cholerae. It infects peoples intestines(肠), causing diarrhea and leg cramps (抽筋).The most common c
10、ause of cholera is by someone eating food or drinking water that has been contaminated(污染) with the bacteria. Cholera can be mild(不严重的) or even without immediate symptoms(症状), but a severe case can lead to death without immediately treatment. 3. Do you know how to prove a new idea in scientific rese
11、arch? Anybody might come out with a new idea. But how do we prove it in scientific research? There are 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
12、 of a method? Collect results? Analyse the results? Draw a conclusion? Repeat if necessary III. Reading Step I Pre-reading 1. Do you know John Snow? John Snow is a well-known doctor in the 19th century in London and he defeated “King Cholera”. 2. Do you know what kind of disease is cholera? It is a
13、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. Lets get to know how Dr. John Snow defeated “King Cholera” in 1854 in London in this reading passage: Step II Skimming Read the passage and answer the questions
14、. 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 St
15、reet pump.) (Optional) Skim the passage and find the information to complete the form below. Who When What How Result John 1854 helping Examining the source of “King Cholera” Snow ordinary all water supplies and defeated people finding new methods of exposed to dealing with polluted cholera waster S
16、tep III Scanning Read the passage and number these events in the order that they happened. 2 John Snow began to test two theories. 1 An outbreak of cholera hit London in 1854. 4 John Snow marked the deaths on a map. 7 He announced that the water carried the disease. 3 John Snow investigated two stre
17、ets where the outbreak was very severe. 8 King Cholera was defeated. 5 He found that most of the deaths were near a water pump. 6 He had the handle removed from the water pump. Step IV Main idea and correct stage Read the passage and put the correct stages into the reading about research into a dise
18、ase. John Snow Defeats “King Cholera” Paragraph Stages General ideas Find a problem: The causes of cholera 1 What cause the cholera? Make up a question: The correct or possible theory 2 Which is right? Think of a method: Collect data on where people were ill and died 3 Test two theory and where they
19、 got their water Collect results: Plot information on a map to find out where 4 Mark the death people died or did not die Analyze the results: Look into the water to see if that is the cause of 5 Find the resource of the water the illness 6 Find supporting evidence Find other evidences to confirm hi
20、s conclusion Draw a conclusion The polluted dirty source of drinking water was 7 to blame for the cause of the London cholera Step V Group discussion 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
21、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 i
22、dentify 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 yo
23、u 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 Using the stages for scientific research and write a summary. Period 2&3 Language focus Step I Warmi
24、ng up 1. characteristic ? n. 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. ? a. very typical of a particular thing or of someones characer 典型性的， Such bluntness is characteristic of him.
25、Windy days are characteristic of March. characteristic与character 辨析characteristic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 isnt his real character. 2. put forward: to state an idea or opinion, or to suggest a plan or person, for other people to consider提出 H
26、e 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. analy
27、ze: 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. Lets analyze the problem and see what went wrong. He analyz
28、ed 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
29、; We concluded the meeting at 8 oclock 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 co
30、nclusion What 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 Reading 1. defeat ? vt. to win a victory over someone in a war, competition, game etc.打败，战胜，使受挫 Ive tried to solve the problem, but it defeats
31、me! Our team defeated theirs in the game. ? n.失败，输 failure to win or succeed This means admitting defeat. They have got six victories and two defeats. 辨析win, beat与defeat ? win “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” ? beat “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 th
32、e 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. expert ? n. someone who has a s
33、pecial skill or special knowledge of a subject专家，能手 an expert in psychology an agricultural expert ? 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 ? be present at参加attend a ceremony /
34、 lecture / a movie / school / class / a meeting I shall be attending the meeting. Please let me know if you are unable to attend the conference. ? 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
35、 attended to?接待 Mother had to attend to her sick son. ? attend to处理，注意倾听 attend to the matter A 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
36、take part in ? attend指参加会议、上课、上学、听报告等 ? join 指加入某组织、团体，成为其中一员 ? join in指加入某种活动;表示与某人一起做某事join sb. in sth. ? take 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 activ
37、ities. 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
38、 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. ?cure sb of a disease When 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
39、 your shoulders When 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. ?a cure for a disease Aspirin is said to be a wonderful cure for the pain. There is still no cure for the common cold. I
40、s there a certain cure for cancer yet? ?a 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treat ? cure主要指痊愈，强调的是结果 ? treat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。 They cured me of my influenza. They
41、treated me with a new drug. 6. control vt.& n. ? vt.: to have power over, rule, direct 控制，支配，管理 He cannot control his feelings / anger. You are trying to control me as though I were your slave. The government tries its best to control prices. ? be under the control of; be in control of; take/gain co
42、ntrol of ; get / be out of control; lose control of; beyond control George took /gained control of the business after his father died. The car went out of control and crashed into the pole. the head in control of the country The driver lost control of his car and it knocked into a tree. Mr. Brown is
43、 in control of the shop. / The shop is in the control of Mr. Brown. This money is under control of Mr Brown. Whos in control of the project? The fire has been brought under control. 7. suggest v. 建议;暗示;表明 ? suggest+doing / sth. / that-clause May suggested a picnic at the weekend. What did you sugges
44、t to the headmaster? I suggested leaving early for the airport. She suggested that her father (should) give up smoking. 他建议我们参观长城。 He suggested to us a visit to the Great Wall. He suggested us visiting the Great Wall. He suggested that we (should) visit the Great Wall. ? suggest (暗示，表明)+从句不用虚拟语气。 Th
45、e smile on her face suggested that she agreed with me. The look on his face suggested that he was happy. His pale face suggested that he was seriously ill. His work suggests that he is a careful man. 8. absorb ? to take sth. in especially gradually吸收 Plants absorb carbon dioxide. In cold climates, h
46、ouses need to have walls that will absorb heat. Paper that absorbs ink is called blotting paper(吸墨纸). The big company has gradually absorbed these small companies into its own organization. ? to understand facts or ideas completely and remember them Its hard to absorb so much information. ? be absor
47、bed in = concentrate on专心于 He is absorbed in the research of Chinese history recently. The writer was so absorbed in his writing that he forgot to flick the ashes from his cigar. I was so absorbed in a book that I didnt hear you call. ? absorb ones attention Chinese history absorbs his attention rec
48、ently. 9. suspect: to think that something is probably true or likely, especially something bad ? vt. 怀疑，猜疑 n. 嫌疑犯，有嫌疑的人 adj.可疑的，靠不住的 suspect sb. of doing sth. 怀疑某人做 She suspected him of taking her money. ? 以为，猜想 We suspected that he had finished doing his homework. 10. severe a. ? so serious, so bad 严厉的，苛刻的，严格的 Come on! Dont be so severe with the children.