课件20张PPT。Unit 1 Great ScientistsLin Qiaozhi
(l90l--l983), Jane Goodall
(l934-- ), Nelson Mandela
(1918 -- ) Who is he/she? Their great achievements?former South Africa president fight for… Nobel Peace prize 1993 the first Chinese specialist in women’s diseaseBritish zoologist study chimpsMadame Curie (1867~1934)Poland discoverer of radium
the Nobel Prize twice 1903 physics 1911 chemistryQian Xuesen(1911-2009)China Father of the Chinese space programme Who is he/she? Their great achievements?Great scientistsWho is he/she? and their nationality &title?1.Archimedes (287~212BC) 阿基米德
Ancient Greek Mathematician physicist
2. Charles Darwin (1809~1882) 查理士 达尔文
British biologist
3. Thomas Newcomen (1663~1729) 托马斯 纽科门
British engineer
4. Gregor Mendel (1822~1884) 格雷戈尔·孟德尔
Austrian botanist
5. Marie Curie (1867~1934) 玛丽·居里
Polish Physicist chemistJames Watt (1736-1819) B. inventorfounder of the science of genetics 6. Thomas Edison (1847~1931) 托马斯·爱迪生
American inventor
7. Leonardo da Vinci (1452~1519) 达·芬奇
Italian painter engineer scientist
8. Sir Humphry Davy (1778~1829) 汉弗莱·戴维
British chemist
9. Zhang Heng (78~139) 张衡
Chinese astronomer
10. Stephen Hawking (1942~) 史蒂芬·霍金
British physicistWho is he/she? and their nationality &title?What do you think the most important qualities are as a scientist?interestcuriositycleverness/intelligencediligence/hard workhonesty…new ideas in scientific researchDo you know how to prove a new idea in scientific research?Draw a conclusion
Think of a method
Collect results
Make a question
Find a problem
Analyse the results
Find supporting evidence得出结论
找出研究方法
收集材料
形成研究主题
发现问题
分析材料
找其它证据(P1 Pre-reading )Do you know how to prove a new idea in scientific research?Draw a conclusion
Think of a method
Collect results
Make a question
Find a problem
Analyse the results
Find supporting evidence(P1 Pre-reading )1.Find a problem
2.Make a question
3.Think of a method
4.Collect results
5.Analyse results
6.Find supporting evidence
7.Draw a conclusionJohn Snow Defeats “King Cholera”deadly
infectious = causing death
= that can be spread quicklySARS
Bird flu
AIDSThe passage is written following the stages:Read the first and last sentences of each para.Para 1Para 2Para 3Para 4Para 5Para 6Para 6Para 7SolutionPara.1The harm of Cholera:deadlyMany thousands of terrified people died every time there was an outbreak.whenever cholera broke out.Find a problemThe problem :Neither its cause nor its cure was understood.Para.2Make up a questionThe likely reasons:Cholera spread in the air.
People absorbed this disease into their body with their meals.√Para.3Think of a methodThe way of researching:By enquiring and gathering information on a map.Para.4Collect resultsWhat he found:many deaths were near the water pump.
some houses had had no deaths.→ a valuable clue about the causeHis preliminary(初步的) conclusion:water was to blame.Para.5Analyse the resultWhat to do? what to find?looked into the source of their drinking water
→found it came from the river polluted by the dirty water from London.
told people to remove the handle from the pump
→ found the disease slowed downHis preliminary(初步的) conclusion was __________from his findings..provedPara.6Find supporting evidenceWhat is the supporting evidence?Two other people in another part of London died after drinking the water.His preliminary(初步的) conclusion was proved __________.furtherHis final conclusion:announced with certainty that polluted water carried the virus.Para.6What did John do after his discovery? suggested that the water supplies be examined
The water companies were instructed not to expose people to polluted water. should Para.7Solution= officially tell somebody to do …Read and put the stages into the reading:What caused cholera?Was the disease absorbed into bodies with meals?Asked/gathered information on…Many deaths were near the water pump. Some houses had no deaths.looked into the source of the water for the peopleTwo other deaths in another part of London were linked to the water.Polluted water carried the virus. What should you do if you're travelling a country where there is a cholera outbreak? Discussion:…Read the passage again and fill in the blanks:
John Snow was a well-known ____ in London in the ___ century. He wanted to find the ______ of cholera in order to ______ it.
In 1854 when a cholera ____ out, he began to gather information. He _____ on a map where all the dead people had lived and he found that they had drunk the water from the ______ nearby. Then he _________ the source of the water and found it came from the river _____ by the dirty water from London. Later, he also found two other deaths in another part of London were ______to the water. So he ______certainly that polluted water carried the virus.doctor/physician19thcausedefeatbrokemarkedpumplooked intopollutedlinkedannouncedBesides, he suggested that the source of all water supplies be _______. And the water companies were _________ to provide people with clean drinking water. examinedinstructed