人教版高中英语必修5第一单元reading.ppt

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1、人教课标人教课标 高二高二 必修必修 5 Unit 1A quiz:Match the inventions with their inventors belowAlexander Bell electricity Thomas Edison the First telephoneLaite Brothers the electric LampMarie Curie black holes in UniverseFranklin Theory of GravitySteven Hawking the First PlaneElbert Einstein RadiumIsaac Newton t

2、he Theory of RelativityWho is he?Who is he?He is Archimedes(阿基米德阿基米德)Which scientist discovered that objects in water are lifted up by a force that helps them float?Charles Darwin 达尔文达尔文Who is he?Who is he?He is Who wrote a book explaining how animals and plants developed as the environment changed?

3、Thomas Newcomen汤玛斯汤玛斯.纽科门纽科门Who is he?Who is he?He is Who invented the first steam engine?Gregor Mendel孟德尔孟德尔Who is he?Who is he?He is Who used peas to show how physical characteristics are passed from parents to their children?Marie Curie居里夫人居里夫人Who is he?Who is he?She is Who discovered radium?Thom

4、as Edison 爱迪生爱迪生Who is he?Who is he?He is Who invented the way of giving electricity to everybody in large cities?Leonardo da Vinci列奥纳多列奥纳多.达芬奇达芬奇Who is he?Who is he?He is Who was the painter that studied dead bodies to improve his painting of people?Humphry Davy汉弗莱汉弗莱.戴维戴维Who is he?Who is he?He is

5、Who invented a lamp to keep miners safe underground?Stephen Hawking 霍金霍金Who is he?Who is he?He is Who put forward a theory about black holes?When we want to solve some problem.First we should find the problem,do some research on it,prove your finding,and then make a conclusion.This is a scientific a

6、nd objective way of researching.1.What order would you put the seven in?draw a conclusionthink of a methodcollect resultsmake a questionfind a problemanalyse the resultsFind supporting evidencePlease put the 7 stages in right order according to the passage.Infectious diseases can be spread to other

7、people.They have an unknown cause and need public health care to solve them.2.What do you know about infectious diseases?infectious diseases:bird flu;AIDS,SARS are infectious diseases.Infectious diseases are difficult to cure.Cholera is the illness.If infects peoples intestines(肠胃肠胃),causing diarrhe

8、a(腹泻腹泻),vomiting(呕吐呕吐)and leg cramps(小腿抽筋小腿抽筋).3.What do you know about cholera?The most common cause of cholera is by someone eating food or drinking water that has been contaminated(污染污染)with the bacteria.Cholera can be mild(不严重不严重的的)or even without symptoms(症状症状),but a severe case can lead to dea

9、th without immediately treatment.GermanyGreat BritainLondonThe spread of choleraLook 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.John Snow P76Read the text quickly and complete the main idea of it.The text is mainly about _

10、and how he _.Johndefeated choleraSnowI.To prove a new scientific idea,seven stages are needed.Read the text carefully and fill in the blanks.Stage 1(Para.1)Find a problemA large number of people died of cholera,but neither its _ nor its _ was understood.Stage 2(para.2)Make a question Theory one:Chol

11、era _ in the air and floated around until it found its victims.Theory two:When people _ cholera into their bodies with meals,their bodies were attacked.cause absorbed multipliedcureStage 3(para.3)Think of a methodBegan to gather information to _ that the second theory was correct.Stage 4(para.4)Coll

12、ect resultsMarked where the dead people had lived on a(n)_.Stage 5(para.5)Analyse the resultsLooked into the _ of the water to see if the problem was the water.map provesourceBroad StreetMany deaths happened here.No death happened here.The water from the pump was to blame.Stage 6(para.6)Find support

13、ing evidenceFound supporting evidence from two other deaths:Both of them died of cholera after _.Stage 7Draw a conclusion _ carried the virus.All the water supplies should be _.drinking the water polluted waterexaminedWhy was cholera called“King Cholera”in the text?A.Because it caused many deaths.B.

14、Because it got its name from Queen Victoria.C.Because it was defeated with the help of the King.D.Because it was the most deadly disease of its day.I.Number these events in the order that they happened._ John Snow began to test two theories._ An outbreak of cholera hit London in 1854._ John Snow mar

15、ked the deaths on a map.124_ He announced that the water carried the disease._ John Snow investigated two streets where the outbreak was very severe._ King Cholera was defeated._ He found that most of the deaths were near a water pump._ He had the handle removed from the water pump.35678 Answer thes

16、e questions.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

17、solved this problem without the map?Give a reason.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.Heidentified those houses that had had no deaths and surveyed their drinking habits.The evidence cl

18、early pointed to the polluted water being the cause.3.Cholera was a 19th century disease.What disease do you think is similar to cholera today?Why?Three diseases,which are similar today,are SARS,AIDS and bird flu,because they are serious,have an unknown cause and need public health care to solve the

19、m.Drink only water that you have boiled.Other safe drinks include tea or coffee made with boiled water.What should you do if youre travelling to a country that has a cholera outbreak?Eat only food thats been thoroughly cooked and is still hot,or fruit that youve peeled yourself.Avoid undercooked or raw fish and shellfish.Avoid raw salads and vegetables.Boil it,cook it,peel it,or forget it.