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1、2019-2020年高中英语 Unit 1 Great scientist Warming Up and Reading 教案 新人教版必修51Teaching AimsGet Ss to improve their reading abilities.Let Ss know the topic “Great scientists”Know some important phrases occurring in this reading2Teaching ProceduresStep 1 Lead inCheck Ss knowledge about some scientists and t
2、heir discoveries. Who discovered that objects in water are lifted up by a force that helps them float? ArchimedesWho wrote a book explaining how animals and plants developed as the environment changed? Charles DarwinWho invented the first steam engine? Thomas NewenWho used peas to show how physical
3、characteristics are passed form parents to their children? Gregor MendelWho discovered radium?Maries CurieWho invented the way of giving electricity to everybody in large cities?Thomas EdisonWho was the painter that studied dead bodies to improve his painting of people?Leonardo da VinciWho invented
4、a lamp to keep miner safe underground?Sir Humphrey DavyWho invented the earliest instrument to tell people where earthquakes happened?Zhang HengWho put forward a theory about black holes?Stephen HawkingAfter all the questions, then lead in the passage with a picture. Ask ss if they know the map and
5、what it is used for. Give them the answer later “It is a map to find out the cause of Cholera. ”Step 2 Skim and ScanMore questions are given to get the general ideas of this passage and some obvious facts. Who defeats “King Cholera“? John SnowWhat happened in 1854? Cholera outbreak hit London.How ma
6、ny people died in 10 days? 500Why 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.Step 3 Reading for details1 Why couldnt the cholera be under control at first?Neither its cause, not its cur
7、e was understood.2 Which theory did John Snow believe in?People absorbed cholera into their bodies with their meals.3 John Snow finally proved the theory he believed by _.gathering information with the help of a maplooking into the source of the water for Broad Street and Cambridge StreetSeparating
8、those who suffered cholera from those who didnt Both A and B (right choice)4 To prevent the cholera from spreading again, what did John Snow do?Suggested that the source of all water supplies be examine. Suggested that new methods of dealing with polluted water be found. Instructed the water panies
9、not to expose people to the polluted water anymore.Step 4 Mind map of the passageParagraph 1: Introduction of John Snow and CholeraParagraph 2: Two theoryParagraph 3-5: Study of the breakout in 1854 Paragraph 3: Think of a method: Test two theoryCollect the result: Mark the deathAnalyze the result:
10、Reason for death and no deathParagraph 4: Analyze the result: Find the resource of the water Paragraph 5: Repeat if necessary: Find more evidence.Draw a conclusion: Cholera was spread by germPolluted water carried choleraParagraph 6: Prevention of CholeraStep 5 Retell the passage Provide ss with a s
11、ummary with some blanks. Let them retell the passage as well as pay attention to some important words. Read the passage again and fill in the blanks:John Snow was a well-known _ in London in the _ century. He wanted to find the _ of cholera in order to _ it. In 1854 when a cholera _ out, he began to
12、 gather information. He _ on a map where all the dead people had lived and he found that many people who had drunk the dirty water from the _ died. So he decided that the polluted water carried cholera. He suggested that the _ of all water supply be _ and new methods of _ with polluted water be found. Finally, “King Cholera” was defeated. Step 6 HomeworkRead the whole passage and retell.Go to the net to get more information about UK.
