人教版高中英语必修5课件-Unit-1课件.pptx--（课件中不含音视频）

1、 Unit 1 Great scientists1st Period ReadingWarm-up There are some great scientific achievements that have changed the world.Can you name some of them?What kind of role do they play in the field of science?Do these achievements have anything in common?Match the inventions with their inventors below be

2、fore you answer all these questions.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 RelativityWho is he?He is Archi

3、medes(阿基米阿基米德）德）Which scientist discovered that objects in water are lifted up by a force that helps them float?Charles DarwinWho is he?He is Who wrote a book explaining how animals and plants developed as the environment changed?Thomas Newcomen.Who is he?He is Who invented the first steam engine?Gr

4、egor MendelWho is he?He is Who used peas to show how physical characteristics are passed from parents to their children?Marie CurieWho is he?She is Who discovered radium?Thomas EdisonWho is he?He is Who invented the way of giving electricity to everybody in large cities?Leonardo da VinciWho is he?He

5、 is Who was the painter that studied dead bodies to improve his painting of people?Humphry DavyWho is he?Who is he?He is Who invented a lamp to keep miners safe underground?Stephen HawkingWho is he?He is Who put forward a theory about black holes?1.Do you know how to prove a new idea in scientific r

6、esearch?Discuss in small groups the stages in setting out a new scientific idea.What order would you put them in?Pre-readingDraw a conclusionThink of a methodCollect resultsMake a questionFind a problemAnalyse the resultsFind supporting evidencePlease put the 7 stages in right order according to the

7、 passage.2.What do you know about infectious diseases?What do you know about cholera?GermanyGreat BritainDeath of first cholera case in London during the 1848-49 epidemic LondonPrevious cholera epidemic in Great Britain in 1831-32The spread of choleraJohn SnowReading1.What conditions allowed cholera

8、 develop?2.Why do you think people believed that cholera multiplied in the air without reason?3.What evidence did John Snow gather to convince people that idea 2 was right?1.The dirty water made the cholera develop quickly.2.Because people could not understand its cause and could not get it cured.So

9、 people imagined that some poisonous gas in the air caused the deaths.3.He found that many of the deaths were near the water pump while some areas far away from the water pump had no deaths.So when people were asked not to use the water pump,the disease began to slow down.In this way,John Snow had s

10、hown that cholera was spread by germs and not in a cloud of gas.Read the text(P2-3)quickly and complete the main idea of it.The text is mainly about _ and how he _.Johndefeated choleraSnowI.To prove a new scientific idea,seven stages are needed.Read the text(P2-3)carefully and fill in the blanks.Car

11、eful reading Look at the picture,the map and the title and predict the content of the reading passage.Then skim it quickly to see if you are right.Stage 1Find a problemA large number of people died of cholera,but neither its 1._ nor its 2._ was understood.Stage 2Make a question Theory one:Cholera 3.

12、_ in the air and floated around until it found its victims.Theory two:When people 4._ cholera into their bodies with meals,their bodies were attacked.cause absorbed multipliedcureStage 3Think of a methodBegan to gather information to 5._ that the second theory was correct.Stage 4Collect resultsMarke

13、d where the dead people had lived on a(n)6._.Stage 5Analyse the resultsLooked into the 7._ 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.Public houseStage 6Find supporting evidenceFoun

14、d supporting evidence from two other deaths:Both of them died of cholera after 8._.Stage 7Draw a conclusion 9._ carried the virus.All the water supplies should be 10._.drinking the water Polluted waterexaminedextra evidence:A woman and her daughter who lived far away but drank the water also died.I.

15、Choose the best answer.1.We know from the text that John Snow _.A.had collected information before cholera broke outB.felt not quite sure after he finished the mapC.helped the woman from Broad StreetD.became famous after defeating cholera2.Why did John Snow use a map in his research?A.It could help

16、him find exactly how many people died of cholera.B.It could help him find the source of drinking water for people.C.It could help him organize his ideas and find evidence.D.It could help him find his way inBroad Street.3.Why was cholera called“King Cholera”in the text?A.Because it caused many deaths

17、.B.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

18、marked the deaths on a map.124Post reading_ 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.35

19、678 Answer these 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 S

20、now would have 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.He identified those houses that had had no deaths and surveyed their drinking habits

21、.The evidence clearly 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 c

22、are to solve them.Drink only water that you have boiled or treated with chlorine or iodine.Other safe drinks include tea or coffee made with boiled water and carbonated,bottled beverages with no ice.What should you do if youre travelling to a country that has a cholera outbreak?Group Disscussion Eat

23、 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.Homework Get more information about some infectious

24、diseases and modern scientists.Finish the Exercises 1,2,3 on pages 3 and 4.2nd Period Extensive ReadingNicolaus CopernicusPre-readingBirth:February 19,1473 Death:May 24,1543 Place of Birth:Toru,Poland Career:1491-1494 Studied mathematics at Krakw Academy 1496 Went to Italy to study astronomy and law

25、 at the University of Bologna Nicolas Copernicus1497 Began observations of the Sun,Moon,and planets 1514 Wrote Commentariolus,an outline of his astronomical ideas,but did not circulate it widely 1543 Published De Revolutionibus Orbium Coelestium(On the Revolutions of the Celestial)Nicolas Copernicus

26、 We all know something about Copernicus.He was one of the first scientists to use mathematical observations to collect information.He believed the sun is the center of the universe and the earth and other planets goes around it.1.At Copernicus time,Christian Church was in charge of many western coun

27、tries.2.Copernicus noticed that observed from the earth,some planets appears in front of or behind the earth.FTRead the passage quickly,and tell whether the following statements are true or false.Reading 3.Copernicus didnt show his new theory to his friends until he completed it.4.His friends were n

28、ot interested in his ideas.TF5.Since he was not afraid of being attacked by the Church,Copernicus published his book as soon as he finished working on it.6.Newton,Einstein,and Hawking are all scientists who made contribution to the study of the universe.FTRead the passage carefully and try to draw t

29、he two theories of the universe.Before Copernicus theoryShowing Copernicus theoryA diagram showing the solar system with the Earth at its centreA diagram showing the solar system with the Sun at its centreAnalyze the following picture carefully and try to explain how a loop is formed.1.Whats Coperni

30、cus fear?2.Whats Eulers puzzle?3.How did Copernicus prove his theory?4.How did Euler prepare for his research?5.What are their theories?Further-readingGroup disscussion1.As a scientist,one should be brave.But Copernicus was afraid of being attacked by the Christian Church.So he had hidden his theory

31、 for so many years.What do you think of this?2.Euler was called“the father of modern mathematics”.In what area is topology used today?Homework1.Do the exercises on page 46,and check the answers together.2.Prepare for the language study,reviewing the words and expressions in this unit.3rd Period Lang

32、uage Study attend阅阅读下列句子，并在其后的括号中填出读下列句子，并在其后的括号中填出attend的的含。含。a.出席，参加出席，参加 b.照顾，护理照顾，护理 c.经常去，定期去经常去，定期去1.Mary invited about 30 people to her party,but only 12 attended it.()2.All the six members of my family attend church every Sunday.()ac Words and expressions3.The nurse attended the patients wit

33、h great care.()4.If you go out,who will attend to the baby?()【点拨点拨】attend常作及物动词（句常作及物动词（句1至句至句3），也可作），也可作不及物动词，构成不及物动词，构成attend to sb./sth.结构，意为结构，意为“处处理；对付；照料；关怀理；对付；照料；关怀”（句（句4）。）。bb【拓展拓展】attend,join,take part in都可意为都可意为“参加参加”，区别如下：区别如下：attend后主要接后主要接meeting,conference,school,ceremony等作宾语；等作宾语；joi

34、n后的宾语主要是表示团体、后的宾语主要是表示团体、组织组织(如军队、党派如军队、党派)、一群人、游戏等的名词，如、一群人、游戏等的名词，如party,army,club等；等；take part in后的宾语主要是某项后的宾语主要是某项活动，如活动，如discussion,movement,revolution,debate等。等。e.g.1.The wolf opened its mouth to _ a row of sharp teeth.2.Dont _ your skin to the sun;your skin will be hurt.exposeexposeexposeexpo

35、se e.g.The police began to look into the case,but the eyewitness was afraid to _ the murderer.to make known;to tell the truthexpose揭发揭发*When you have a pain in your shoulders,you will go to see a doctor.The doctor will _ you.He will _ the pain in your shoulders.Aspirin is said to be a wonderful _ fo

36、r the pain.curecurecurecurev.治愈治愈n.疗法疗法*Although the boy was beyond _,his parents tried to _ him of bad habits.*The prices are going up every day,but there is no _ for rising prices.curecurecure_不可救药不可救药n.对策对策e.g.Clever children absorb knowledge easily.聪明孩子容易吸收知识。聪明孩子容易吸收知识。Aspirin is quickly absorb

37、ed by/into the body.阿阿司匹林很快被身体吸收了。司匹林很快被身体吸收了。The strong states often absorbed the small states in the past.过去大国兼并小国。过去大国兼并小国。absorb 吸收吸收;吸引吸引;使专心使专心;合并合并;吞并吞并He is absorbed in his business.他专心致志的处理业务。他专心致志的处理业务。be absorbed in=concentrate on 表示表示“专心于某事专心于某事”e.g.He is absorbed in the research of Chin

38、ese history recently.absorb ones attentione.g.Chinese history absorbs his attention recently.Severe Acute Respiratory Syndrome 严重急性呼吸道症候群严重急性呼吸道症候群 Do you know the full name of SARS?severesevere用作形容词，当它的意思为用作形容词，当它的意思为“严重的；严重的；严肃的严肃的”时，和时，和serious相近；当它的意思相近；当它的意思为为“严厉的；严格的严厉的；严格的”时，与时，与strict 相近，常用结

39、相近，常用结构构be severe on(upon)/with sb.表示表示“对某人对某人严厉或严格严厉或严格”；此外它还有；此外它还有“剧烈的；尖锐的剧烈的；尖锐的；朴素的；朴素的”的意思。的意思。e.g.The drought is becoming increasingly severe.旱旱灾日趋严重。灾日趋严重。He is severe with his children.和对子女很严格。和对子女很严格。You are too severe on(upon)the boy.你对那个男孩太严厉了。你对那个男孩太严厉了。I felt a severe pain in the chest

40、.我感到胸口剧烈疼痛。我感到胸口剧烈疼痛。表表示示“伤势严重伤势严重”要用要用severe,不用不用serious;但指但指“疾疾病严重病严重”时时,两者都可与两者都可与illness连接。连接。e.g.She received severe head injuries in the accident.在事故中她的头部受了重伤。在事故中她的头部受了重伤。I was laid up for six weeks with a severe/serious illness.由于重病，我卧床六个星期。由于重病，我卧床六个星期。此句不可用此句不可用serious。泵泵(油泵油泵;气泵气泵),抽水机抽水机

41、,打气筒打气筒pump If have a flat tyre,you will pump air into the tyre.(You will pump up your tyre.)When my car was short of gas,I went to the gas station,where the guy pumped gas.pumpv.打气打气We had a debate yesterday.The lively debate really pumped us up.His heart was pumping fast.During the drought last ye

42、ar,the villagers had pumped the well dry,but got no more water.v.给给打气打气v.心跳心跳v.用唧筒抽用唧筒抽(水等水等);用唧筒抽吸用唧筒抽吸.中的水等中的水等 blame【观察观察】仔细观察下列句子并体会仔细观察下列句子并体会blame在句中的在句中的词性、含义及用法。词性、含义及用法。1.Many children are afraid of being blamed for making mistakes in speaking English.2.Its no use blaming our defeat on the

43、player.3.Its you who are to blame for the accident.4.You must take the blame for the mistakes in the report.5.The boss always puts the blame for the failure on us.【点拨点拨】blame作动词，意为作动词，意为“责备；谴责责备；谴责”，可构成：可构成：blame sb./sth.for sth.因某事而指责某人因某事而指责某人/某事（句某事（句1）；）；_把把某事归咎于某某事归咎于某人人/某事（句某事（句2）；）；_ 对某事负有责任（

44、主动表对某事负有责任（主动表被被动）（动）（句句3）；）；blame作名词，意为作名词，意为“过失；责备过失；责备”，可构成：，可构成：take the blame承担责任（句承担责任（句4）；）；put the blame for sth.on sb.把某事归咎于某人。把某事归咎于某人。blame sth.on sb./sth.be to blame for sth.handle A.操作操作;运用运用 B.经销经销;买卖买卖 C.管理管理 D.对待对待 E.应付应付 F.控制控制;管管handle v.Choose the Chinese explanations in the box.1

45、.Ms Hawkins,the chief accountant of the company handles the companys accounts.C.管理管理2.The children are so naughty that I cant handle them.3.She handled a difficult argument skillfully.F.控制控制;管管E.应付应付 4.Handle children kindly,if you want them to trust you.5.This shop handles paper and stationery.6.He

46、 learnt how to handle the axe.D.对待对待B.经销；买卖经销；买卖A.操作；运用操作；运用in additionalsoas well asbesidesused when adding another fact to what has already been mentionede.g.In addition to apples you asked for,I bought you some oranges.in addition2.The two towns are linked by a railway.v.连接连接 1.A lot of links fit

47、ted togetherform a chain.n.(链状物的链状物的)环环,节节 3.The new bridge will link the island to the mainland.link4.研究人员发现了吸烟和心脏病之间的关系。研究人员发现了吸烟和心脏病之间的关系。Researchers have detected a link between smoking and heart disease.1.The captain announced that the plane was going to land.2.The government announced that the

48、y would build a new highway to the mountain.3.The army announced a cease-fire.announce4.It has been announced that Mr.A and Miss B will be married next week.Meaning?*to make known publicly;to give information using a loudspeaker,esp.at an airport or railway station5.The announcer announces three pro

49、grams a week.*to introduce a program on TV or radio*train approach announcement*He waited for the announcement of the result of the competition.*make an announcementannouncementinstructinstruct 意思为意思为“命令；指示；嘱咐；吩咐；教命令；指示；嘱咐；吩咐；教导（教授知识或技术）；训练导（教授知识或技术）；训练”。其名词形式为。其名词形式为instructor（教员；教练）和（教员；教练）和instru

50、ction（命令；（命令；指示；说明）。指示；说明）。e.g.The teacher instructed him to start early.老师命令他早动身老师命令他早动身。Ive been instructed to wait here until the lecturer arrives.我得到指示在这儿等到讲课老师到来。我得到指示在这儿等到讲课老师到来。He instructs a class in history他教授一个班的历史。他教授一个班的历史。Read the instructions on the pocket.看一下袋子上的说明。看一下袋子上的说明。Important