高中英语选择性必修二 Unit 1 Period 1 Reading and thinking（课件）(共38张)

1、人教版 选择性必修二Period 1 Reading and Thinking： John Snow Defeats “King Cholera”Unit 1 Science and Scientists1. Enable the Ss to get to know some knowledge about Cholera.2. Enable the Ss to understand the passage well.3. Let the Ss learn some reading skills by scanning and skimming. 4.Tolearnfromthegreatsc

2、ientistsanddevelopthenoblespirits.Teaching GoalsName some famous scientists you know and tell something about them.Lead inWho is he?Archimedes (阿基米德)Which scientist discovered that objects in water are lifted up by a force that helps them float?Charles Darwin.Who wrote a book explaining how animals

3、and plants developed as the environment changed?Who is he?Who invented the way of giving electricity to everybody in large cities?Who is he?Who is he?Who put forward a theory about black holes?Who is he?Who is he?John Snow(1813-1858) John Snow was born in York on March 15th, 1813, the oldest of nine

4、 children.YorkLondonDo you know him?ReadingJohn Snow Defeats “King Cholera”Look at the picture, the title and the map, guess what the content of the text is. Then skim it quickly to see if you are right.Pre-reading The text is mainly about _ and _ he defeated king cholera. howKeysJohn SnowRead it qu

5、ickly and find out what order would you put the seven stages in?_analyze the results _ask a question_ Draw a conclusion _ collect data _ Find a problem _ Think of a method_ find supporting evidence Activity 1:Keys:draw a conclusionthink of a methodcollect dataask a questionfind a problemanalyze the

6、resultsFind supporting evidence 7 stages in right orderActivity 2:Read the text and find out the answers to the following questions.1. Whats the purpose of the text?2. What inspired John Snow according to the first paragraph?3. Whats the use of John Snows map in his research?4. How did John Snow fee

7、l about the cause of cholera after he finished the map?5. Why was cholera called “King Cholera” in the text? Activity 2:Read the text and find out the answers to the following questions.1. Whats the purpose of the text? To tell us how John Snow found the cause of cholera and the cure for it.2. What

8、inspired John Snow according to the first paragraph? To destroy Cholera once and for all.3. Whats the use of John Snows map in his research? To help him find the reason of the cholera outbreak.keysActivity 2:Read the text and find out the answers to the following questions.4. How did John Snow feel

9、about the cause of cholera after he finished the map?Unsure5. Why was cholera called “King Cholera” in the text? Because cholera was the most deadly disease of its day.keysWhats the cause of cholera?What is the problem?Cholera was one of the most feared disease of its day. Nobody knew how to prevent

10、 or treat Cholera.Activity 3: Finding the supporting detailsAsk a question: two contradictory theories 1. bad air caused it.2. It was caused by an infection from the germs in food or water.Broad StreetMany deaths happened here.No death happened here.The water from the pump was to blame.Public houseT

11、he water was from the river which had been polluted by the dirty water from London.Find supporting evidence: What extra evidence did he find? A woman and her daughter who lived far away but drank the water also died.Draw a conclusion with certaintyThe polluted water carried the virus. Read the text

12、carefully and fill in the blanks.Many people died of cholera.John Snow tried to find out its _ and _ People drank water from the pump in _ Street.Multiple deaths.causecureBroadActivity 4:Further Comprehending Families were given free beer in the pub at _ Street.People removed the _ from the water pu

13、mp.People had no_ The disease _Cambridgedeathshandlewas stopped in its tracks._ water carried the disease.Theory 2 Cholera was caused by _ _ And theory 1 was wrong._ the source of all the water supplies.Pollutedan infectionExamineGroup Discussion1. John Snow believed Idea 2 was right. How did he fin

14、ally 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

15、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 1

16、9th century disease. What disease do you think is similar to cholera today?SARS and Covid-19 because they are both deadly and fatally infectious, have an unknown cause and need serious public health care to solve them urgently.John Snow was a well-known _ in London in the _ century. He wanted to fin

17、d the _ of cholera in order to help people _ it. In 1854 when a cholera _ London, he began to gather information. He _ on a map _ all the dead people had lived and he found that many people who had _ (drink) the dirty water from the _ died. So he decided that the polluted water _ cholera. He suggest

18、ed that the _ of all water supplies should be _ and new methods of dealing with _ water be found. Finally, “King Cholera” was _.Consolidation: fill in the blanks based on the text.Retell the passage according to below: John Snow was a well-known _ in London in the _ century. He wanted to find the _

19、of cholera in order to help people _ it. In 1854 when a choler _ London, he began to gather information. He _ on a map _ all the dead people had lived and he found that many people who had _ (drink) the dirty water from the _ died. So he decided that the polluted water _ cholera. He suggested that t

20、he _ of all water supplies should be _ and new methods of dealing with _ water be found. Finally, “King Cholera” was _.doctor19thcausehitmarkedpumpsourceexaminedpolluteddefeatedInfected withwheredrunkcarried1.he even attended to Queen Victoria when she gave birth.1) to be present at, to go to 出席, 参加

21、a meeting , a ceremony, a funeral, a lecture, school, churchE.g. Your attendance (n.) at the meeting will be welcome.2) to look after, care for, serve照顾，看护Which doctor is attending (to/ on) you?There is a doctor in attendance on me.Language points 4）attendance n.e.g There is a doctor in attendance.umber of people present 出席人e.g There was a large attendance at the concert. 音乐会听众很多. 3) to go with 伴随 The work was attended with much difficulty.出席人数照顾2. the cholera outbreak was so severe that more than 500 people died in ten days.(1) so serious; so bad