高二英語Great Scientists課件2.ppt

1、Unit 1 Great scientists,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 before you answer all t

2、hese questions.,Warming Up:,Alexander Bell electricity Thomas Edison the First telephone Laite Brothers the electric Lamp Madame Curie black holes in Universe Franklin Theory of Gravity Steven Hawking the First Plane Elbert Einstein Radium Isaac Newton the Theory of Relativity,Quiz Questions (P1),阿基

3、米德 (Archimedes),Charles Darwin,Thomas Newcomen,Gregor Mendel,Marie Curie,Thomas Edison,Leonardo da Vinci,Humphry Davy,張 衡,Stephen Hawking,Pre-reading: Pair work: Task 1.What do you know about infectious diseases?,Task 2. What do you know about cholera?,While-reading:,John Snow Defeats King Cholera 1

4、.What does the title imply? 2.Predict what the text is about after reading the title and the first paragraph. 3.Guess what kind of person John Snow was by analyzing the key words in the first paragraph.,While-reading:,Questions 1. What do you know about Dr. John Snows being well-known in London?,(He

5、 attended Queen Victoria to ease the birth of her babies.).,2. From what disease did Londoners suffer in his age?,(They exposed themselves to cholera.).,3. When did Dr. Snow think the disease would be controlled?,(He knew he would never be controlled until its cause was found.),4. What was the secon

6、d theory explaining how the disease killed people?,(People absorbed this disease into their bodies with their meals.),5. Did the map which Dr. Snow draw help find the cause of the disease?,(The map gave a valuable clue about the cause of the disease.),6. What did Dr. Snow think was responsible for t

7、he disease?,(It seemed the water was to blame.),7. What did Dr. Snow advised the people in Broad Street do?,8.What else did Dr. Snow find in another part of London that were linked to the Broad Street outbreak?,(In addition, he found 2 other deaths.),9. What conclusion did Dr. Snow tell the public?,

8、(He announced that polluted water carried the disease.),10. What did Dr. Snow tell the water companies?,(They were instructed not to expose people to polluted water anymore.),Post-reading:,Work in groups of four and discuss the following questions: 1).What should you do if youre traveling to a count

9、ry that has a cholera outbreak according to Snows theory? 2.) What spirit can we find in John Snow? As a student, what should we learn from him?,While-reading:,Scanning: 1. Read the passage and try to put the correct stages into the reading about research into a disease. draw a conclusion B. think o

10、f a method C. collect results D. make up a question E. find a problem F. analyse the results G. find supporting evidence H. repeat if necessary,Keys: EDBCFGA,Period 2 Comprehending & learning about language.,1.Task 1Fill in the chart after reading the passage.,2.Read the passage again and answer the

11、se questions. 1). Cholera was a 19th century disease. What disease do you think is similar to cholera today? 2). John Snow believed Idea 2 was right. How did he finally prove it? 3). Do you think John Snow would have solved this problem without the map? Give a reason.,- Look at the excited boy! Why

12、is he so happy? - He has got the first prize in the contest. - No wonder he is excited!,Discovering useful structures,Past Participle as the Predicative,Example: But he became inspired when he thought about helping ordinary people.,More examples: He got interested in two theories explaining how chol

13、era killed people. Neither its cause, nor its cure was understood.,過去分詞作表語一般用來表示感受或狀態(tài)（系動詞+過去分詞) No wonder he is excited! (predictive),可以用作表語的常見的過去分詞有： delighted, disappointed, upset, astonished, excited, frightened, experienced, interested, qualified, puzzled, exhausted, satisfied,Past Participle as

14、 the Attribute,Examples: So many thousands of terrified people died. Doctor John Snow was a well-known doctor in London. John Snow told the astonished people in Broad Street.,過去分詞作定語： 1. 分詞可以用作前置定語，此時，分詞和名詞之間有兩種語意關系：一種是分詞表示主動（但時間上已經(jīng)過去）；一種是分詞表被動。 He is a retired worker. 他是一個退休工人。 This is a newly-deve

15、loped device. 這是一個新開發(fā)的工具。,2. 過去分詞作后置定語時，其功能當于一個定語從句。 1) But he became inspired when he thought about helping ordinary people exposed to cholera. 2) With this evidence John Snow was able to announce with certainty that polluted water carried the disease,過去分詞短語有時亦可用作非限制性定語，前后常有逗號。 Some of them, born a

16、nd brought up in rural villages, had never seen a train. 他們當中有一些人, 生長在農村，從未見過火車。,Period 3 Listening and speaking,神舟6號,神舟6號,費俊龍聶海勝被授予英雄航天員榮譽稱號,神舟6號,Listening and speaking,Qian Xuesen, who has made great contributions to the development of Chinas space industry, is one of the best-known scientists in

17、China. His work has been very important for the development of China.,Listen to the tape and fill in the blanks.,AstronomerstarsMars Space industryrocketengineer America Chinadesign Buildspace flightsatellites Landastronautpicture Fatherherogrades,Answer the questions,1.What did Qian Xuesen study fi

18、rst? 2.What experience did he get in America that was very useful for China?,Qian Xuesen first studied to be an engineer.,In America he began to work on space rockets so that he was able to develop a space programme when he came back to China.,3.What was Qian Xuesens achievement when he returned to

19、China from America?,When Qian Xuesen returned to China he set up a Space Institute to begin training people in how to design and build rockets.,4. How has he been honored in China?,In China he has been honored as “the father of the space programme”.,5. How would Steve honor him?,Steve Smith suggeste

20、d putting QianXuesens picture on Mars when the first Chinese astronaut lands there.,Period 4 Reading ,writing and learning tips,Copernicus,Pre-reading,We know the first scientist is Copernicus. He was one of the first scientists to use mathematical observations to collect information. He believed th

21、e sun is the center of the universe and the earth and other planets went around it. The chart on P.7 shows his theory.,Copernicus Revolutionary Theory,Birth: February 19, 1473 Death: May 24, 1543 Place of Birth: Toru, Poland Career: 1491-1494 Studied mathematics at Krakw Academy 1496 Went to Italy t

22、o study astronomy and law at the University of Bologna 1497 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),Read

23、the passage and find the experiences of Copernicus:,Read through the passage, and tell whether the following statements are true or false.,At Copernicus time, Christian Church was in charge of many western countries. 2. Copernicus noticed that observed from the earth, some planets appears in front of or behind the earth. 3. Copernicus didnt show his new theory to his friends until he completed it. 4. His friends were not interested in hi