高二英语必修五

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1、高二英语必修五高二英语必修五第1页/共44页第2页/共44页Alexander Bell electricity Thomas Edison the First telephoneLaite Brothers the electric LampMadame Curie black holes in UniverseFranklin Theory of GravitySteven Hawking the First PlaneElbert Einstein RadiumIsaac Newton the Theory of Relativity第3页/共44页Who is he?He is Arc

2、himedes (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?第4页/共44页Charles Darwin.Who is he?He is Who wrote a book explaining how animals and plants developed as the environment changed?第5页/共44页Thomas Newcomen.Who is he?He is Who invented the fi

3、rst steam engine?第6页/共44页Gregor MendelWho is he?He is Who used peas to show how physical characteristics are passed from parents to their children?第7页/共44页Marie CurieWho is he?She is Who discovered radium?第8页/共44页Thomas EdisonWho is he?He is Who invented the way of giving electricity to everybody in

4、 large cities?第9页/共44页Leonardo da VinciWho is he?He is Who was the painter that studied dead bodies to improve his painting of people?第10页/共44页Humphry DavyWho is he?He is Who invented a lamp to keep miners safe underground?第11页/共44页 Stephen HawkingWho is he?He is Who put forward a theory about black

5、 holes?第12页/共44页put forward 提出提出e.g. He put forward a valuable suggestion at the meeting. Josh put forward a plan for an outing this weekend.【拓展拓展】 我们在以前还学过表示我们在以前还学过表示“提出提出”的短语，它们是的短语，它们是 _ 和和come up with。bring up第13页/共44页 常见的常见的put短语还有：短语还有：put away 收起来；存蓄收起来；存蓄put off 推迟，延期推迟，延期put on 穿上，戴上；上演穿上，

6、戴上；上演put out 使熄灭；生产；出版使熄灭；生产；出版put through 接通电话；使经历；使通过接通电话；使经历；使通过put up 举起；修建；张贴举起；修建；张贴第14页/共44页选用以上短语的适当形式填空。选用以上短语的适当形式填空。1. The suggestion _ by Mr. Wang at yesterdays meeting was a wonderful one.2. They decided to _ the picnic because of the rain.put forward put off第15页/共44页1. Do you know how

7、to prove a new idea in scientific research? Discuss in small groups the stages in setting out a new scientific idea. What order would you put them in?第16页/共44页Draw a conclusionThink of a methodCollect resultsMake a questionFind a problemAnalyse the resultsFind supporting evidencePlease put the 7 sta

8、ges in right order according to the passage. 第17页/共44页2. What do you know about infectious diseases? What do you know about cholera?What is Cholera?Cholera is a disease caused by Vibrio Cholerae, a form of bacteria that attacksthe intestine ( 肠肠). 第18页/共44页The disease is not always serious, but 1 in

9、 20 patients suffer from severe diarrhea, vomiting and muscle pains. Without treatment, such patients can die within a few hours if their bodies lose too much water.第19页/共44页GermanyGreat BritainDeath of first cholera case in London during the 1848-49 epidemic LondonPrevious cholera epidemic in Great

10、 Britain in 1831-32The spread of choleraThe spread of cholera第20页/共44页Here are some facts about cholera. Try to present them to your partners and consider whether they are the same as you expected.1. Cholera can kill sufferers within a few hours if they are left untreated.2. About 100,000 120,000 pe

11、ople die of cholera every year and most of them are not reported to the WHO.第21页/共44页3. 80% of cholera sufferers can be successfully treated with safe water and salt.4. Safe water and waste control can prevent cholera.5. When there is an outbreak of cholera, it is important to focus on treatment and

12、 waste control.第22页/共44页6. Safe and effective cholera vaccines are now used to control the disease.7. Today, no country requires proof of cholera vaccination as a condition for entry.第23页/共44页3. Look at the picture, the map and the title and predict the content of the reading passage. Then skim it q

13、uickly to see if you are right.第24页/共44页John Snow第25页/共44页Read the text quickly and complete the main idea of it. The text is mainly about _ and how he _.Johndefeated choleraSnow第26页/共44页I. Read the text “John Snow Defeats King Cholera”, and fill in the blanks.第27页/共44页About JohnSnowHe was a famous

14、_ and Queen Victorias personal physician.He made up his mind to solve the problem of _.Two theoriesTheory 1: Cholera was spread by _.Theory 2: The disease went into people s bodies throughtheir _.His suspicionHe thought that the _ theory was correct. doctorcholeraairmealssecond第28页/共44页What he did t

15、o prove hisassumptionEvidence 1: He _ the places on a map where the dead people lived and found the deaths were near the water pump in Broad Street.Evidence 2: He looked into the sourceof the water and found it came from a(n) _ river. When the water was cut off, the disease _.Evidence 3: A woman and

16、 _ _ used the water from Broad Street pump and died.markedpollutedslowed downherdaughter第29页/共44页ConclusionPolluted water carried the _virus第30页/共44页II. Read the text again and tell whether the following statements are true (T) or false (F).1. Many people died of cholera before its cause was found.

17、( )2. It was a fact that cholera spread in a cloud of gas. ( )3. When cholera broke out in 1854, it spread quickly through poor neighbourhoods. ( )TFT第31页/共44页4. The people who drank beer instead of water did not catch cholera. ( )5. The water companies were asked to stop supplying polluted water to

18、 people. ( )TT第32页/共44页Match the stages of scientific research with what John Snow did to solve the problem of cholera.1. Find a problem. 2. Make a question. He noticed two possible theories which explained how cholera spread.He wanted to face the challenge of cholera and find the cause.第33页/共44页3.

19、Think of a method. 4. Collect results. 5. Analyse the results.He found that the water came from a polluted river and cholera was spread by germs.He thought the second idea was correct and decided to prove it.He marked the death places on a map and found out many deaths occurred near the water pump.第

20、34页/共44页6. Find supporting evidence. 7. Draw a conclusion. He found that the family who used piped water from Broad Street died.He announced that polluted water carried the virus.第35页/共44页Below is a summary of the text with some words missing. Choose the words from the box and make the summary compl

21、ete. Then try to retell the story to your partners.most, river, London , John Snow,companies, pump, water, sources第36页/共44页No one understood cholera and every time it came, thousands died. Queen Victorias doctor, _, wanted to find out how it was caused. When the disease came to _ again in 1854, Snow

22、 noticed that _ of the 500 people who died had drunk water from a water pump in Broad Street. John Snowmost, river, London , John Snow,companies, pump, water, sourcesLondonmost第37页/共44页He concluded that the _ was to blame and found that the pumpswater came from a dirty _. After he stopped people fro

23、m using the _, people gradually stopped dying. most, river, London , John Snow,companies, pump, water, sourceswaterriverpump第38页/共44页Snow suggested all _ of water be checked and water _ take care not to supply people with dirty water. In this way, cholera was defeated. most, river, London , John Sno

24、w,companies, pump, water, sourcessourcescompanies第39页/共44页What should you do if youre travelling to a country that has a cholera outbreak?第40页/共44页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. Avoid food and drinks from street vendors. Boil it, cook it, peel it, or forget it.第41页/共44页第42页/共44页第43页/共44页感谢您的观看。感谢您的观看。第44页/共44页