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2019-2020年人教版高中英語(yǔ)必修5 Unit1 第1課時(shí) Great Scientists 教案2 The general analysis of this period This period focuses on the reading passage, which is about John Snow and King Cholera. First, teacher can have a petition about information about some scientists mentioned in Warming Up. Then the teacher can make full use of the questions in Pre-reading. This part is to make for preparing for understanding the passage. To develop students’ different reading skills, the teacher can design different reading tasks, such as answering questions and filling the form, etc. Then teacher can ask students to retell the passage as homework. Three Dimensional Teaching Aims Knowledge Aims： a.Have a good understanding of the text through exercises. b.Key words expressions: a. attend, expose, cure, control, absorb, severe, valuable, pump, pub, blame, handle, link, in addition, announce... b. expose…to, test, defeat, reject, examine, apart from, contribute to, make a conclusion... Ability Aims: a.Grasp some reading skills. b. Develop the ability to describe some great people. Emotional Aims： a.Arouse students’ interest in science. b. Encourage students to study hard to devote to science. Teaching Important Points: a.Have a good understanding of the text by doing exercises. b.Develop students’ different reading skills, especially gist reading and understanding beyond lines. Teaching Difficult Points a.Know the meaning between lines and beyond lines. b.Learn different reading skills. Teaching Aids Multi-media classroom and other normal teaching tools. Teaching Procedure Step 1 Greeting Greet students as usual. Step 2 Warming up 1. (Pair work) what five most important qualities do you think a scientist should have? Give reasons. clever/talented strict patient creative confident brave determined/strong-willed positive honest energetic intelligent/hard-working ambitious careful co-operative 2. (Group work) Ex2, p1 Do you know how to prove a new idea in scientific research? Discuss in groups the stages in examining a new scientific idea. What order would you put them in? Draw a conclusion Think of a method Collect results Make up a question Find a problem Analyze the results Repeat if necessary Step 3 pre-reading 1. Invite 2-3 Ss to introduce the scientists they admire most to the class 2. Background introduction to John Snow John Snow (1813-1858) was born and worked as a doctor in Great Britain. He was originally an anesthetist(麻醉師).He was so famous that he became the doctor for Queen Victoria at the births of her many children. Four outbreaks of cholera in the 1830s and 1840s killed many people in England. In 1854, the most terrible outbreak of cholera which ever occurred in the kingdom began. It was so violent and sudden that 127 people died in the first three days. 3. Give information of the deadly disease cholera 1) What infectious diseases do you know? (AIDS, SARS,H5N1,pig-borne disease 豬鏈球菌) 2) What kind of disease is it ? Name of cholera Symptom(癥狀) severe vomit (嘔吐) and diarrhoea (腹瀉) Aftereffect die quickly from a loss of liquid 4. Make up a question 1）What was the cause of this disease? How did John Snow find it out? 2）Get Ss to imagine and describe How John Snow defeat cholera by making use of the key words. Cholera, outbreak, severe, deadly, infectious, examine, expose, analyze, control, cure, defeat 5. New Words Work in pairs and match the words with their definitions. A. attend B. control C. handle D. blame E. absorb F. announce G. immediately H. be linked to I. in addition G. expose 1. have control, authority, power over 2. part of a tool, bucket, etc. by which it may be held in the hand 3. take or suck in 4. at once or without delay 5. uncover, leave uncovered or unprotected 6. as well, besides 7. be joined with, be connected with 8. wait on, serve, look after 9. fix on sb, the responsibility for sth done or not done 10. make known Suggested answer: B-1 C-2 E-3 G-4 j-5 I-6 H-7 A-8 D-9 F-10 Step 4 Reading 1. Fast reading : Scanning Scan the passage and find out what are mentioned in the passage. 1) John Snow’s wish 2) John Snow’s attending Queen Victoria 3) Two theories explaining the cause of Cholera 4) John Snow’s examination of the source of the water 5) Evidence for the cause of Cholera 6) The source of all water supplies 7) The spread of Cholera by germs in polluted water Suggested answer: 1), 3),4), 5),7) 2. Second reading : Skimming Read the text quickly and find out the main idea of each paragraph Para 1: the problem Para 2: the cause----two theories Para 3: the method Para 4: the discovery Para 5: the result and conclusion Para 6: the suggestion 3. Careful reading: Read the text carefully and answer the following questions. 1) What problem existed in London at his time? 2) How did Cholera killed people? 3) How did he prove the second theory was correct? 4) What was the result after he looked into the cause of Cholera? 5) Which idea was right? Why? 6) What conclusion did he draw? Step 5 Discussion (Group work) Discuss how John Snow investigates cholera. Put the stages in examing the disease in the right order. Draw a conclusion Think of a method Collect results Make up a question Find a problem Analyze the results Repeat if necessary Step 6 Consolidation Fill in the blanks using the new words in this unit 1) Mrs. White bought a pan with a long ________. (handle) 2) The pollution is so ________ that we have to take some measures to stop it. (severe) 3) He has a big nose that is a ________ of his family. (characteristic) 4) Water and salt are ________ into our blood stream every day. (absorbed) 5) If a doctor or a medical treatment ________ someone’s illness, they make the person well again. (cure) Step 7 Homework 1. Finish P4, Ex 1,2(on SB) Ex3 make sentences on exercise book (make one’s way to, make up one’s mind, make sure, make room for) 2. Find out the phrases according to the Chinese (part 1 on the paper for language points) 板書設(shè)計(jì)