1、Unit 1Great scientistsPeriod 1文本研读课学习目标1.Learn about the inventions and scientists.2.Develop the reading skills and improve reading speed.3.Understand that scientific ways in dealing with the problems.学习过程Step 1:Lead-in1.Which scientist discovered that objects in water are lifted up by a force that
2、helps them float?2.Who wrote a book explaining how animals and plants developed as the environment changed?3.Who invented the first steam engine?4.Who used peas to show how physical characteristics are passed from parents to their children?5.Who discovered radium?6.Who invented the way of giving ele
3、ctricity to everybody in large cities?7.Who was the painter that studied dead bodies to improve his painting of people?8.Who invented a lamp to keep miners safe underground?9.Who invented the earliest instrument to tell people where earthquakes happened?10.Who put forward a theory about black holes?
4、Step 2:Reading1.Scanning Task 1:According to the passage,please put the 7 stages in right order.Draw a conclusionThink of a methodCollect resultsMake a questionFind a problemAnalyse the resultsFind supporting evidenceTask 2:Match them.Para.1Collect resultsPara.2Analyse the resultsPara.3Think of a me
5、thodPara.4Find a problemPara.5Make a questionPara.6Draw a conclusionPara.7Find supporting evidence2.Intensive readingTask 1:1.What was the problem?2.Which theory to believe in?(make a question)3.What method did he use?4.What happened to the pump water?5.What extra evidence did he find?Task 2:Compreh
6、endingThe problemThe causeIdea 1:Idea 2:The methodThe results续表Idea 1 or 2?Why?The conclusionStep 3:Post-readingSummary:John Snow was a well-known in London in the century.He wanted to find the of cholera in order to help people to cholera.In 1854 when a cholera out,he began to gather information.He
7、 on a map where all the dead people had lived and found that many people who had drunk the dirty water from the died.So he decided that the polluted water carried cholera.He suggested that the of all the water supplies be and new methods of with polluted water be found.Finally,“King Cholera” was def
8、eated.Step 4:Discussion Task 1:Discuss it with your partner.What should we pay attention to in our daily life in order not to get infected with cholera?Task 2:TeamworkAccording to the discussion,design a poster with your group,introducing cholera to people,and inform people of the ways to keep away
9、from getting infected with cholera.课后作业1.Surf the Internet to find out:What should we pay attention to our daily life to prevent ourselves from getting infected with all these infectious diseases?2.Write down the important words and phrases in your exercise books.3.Underline the difficult sentences
10、that you cannot understand.参考答案学习过程Step 11.Archimedes(287-212 BC),an ancient Greek mathematician.2.Charles Darwin(1808-1882),the British author of The Origin of Species.3.Thomas Newcomen(1663-1729),British,improved the first steam pump and turned it into a steam engine for taking water out of mines
11、in 1712.4.Gregor Mendel(1822-1884),Czech,grew pea plants and developed ideas on heredity(遗传学) and inherited(继承,承传) characteristics.5.Marie Curie(1867-1934),Polish and French,won two Nobel Prizes.6.Thomas Edison(1847-1931),an American inventor.7.Leonardo da Vinci(1452-1519),an Italian artist.8.Sir Hu
12、mphry Davy(1778-1829),British,discovered the medicinal value of nitrous oxide(一氧化二氮) as an anesthetic(麻醉剂).9.Zhang Heng(78-139),Chinese,invented the first seismograph.10.Stephen Hawking(1942- ),a British scientist,has worked in astronomy and studied black holes in space.Step 21.Scanning Task 1Find a
13、 problemMake a questionThink of a methodCollect resultsAnalyse the resultsFind supporting evidenceDraw a conclusionTask 22.Intensive readingTask 11.The cholera was the deadly disease of its day.Neither its cause nor its cure was understood.2.Idea 1:Cholera multiplied in the air without reason.A clou
14、d of dangerous gas would float around until it found its victims.Idea 2:People absorbed this disease with into their bodies their meals.3.He used a map of Broad Street.Because many of the deaths were near the water pump in Broad Street(especially numbers 16,37,38 and 40) and no deaths happened here(
15、20 and 21 Broad Street and 8 and 9 Cambridge Street),so the water from the pump was to blame.4.The water was from the river which had been polluted by the dirty water from London.5.A woman and her daughter who lived far away but drank the water also died.Task 2The problemNobody knew the cause of the
16、 serious disease of choleraThe causeIdea 1:A cloud of dangerous gas found its victimsIdea 2:People absorbed the disease with their mealsThe methodCollect information from the cholera outbreak to prove which theory was correctThe resultsHe found the cause of cholera was the polluted waterIdea 1 or 2?
17、Why?Idea 2.Because the information showed that the dirty water carried choleraThe conclusionHe defeated cholera by examining the water supply and dealing with the polluted waterStep 3doctor,19th,cause,exposed,broke,marked,pump,source,examined,dealingStep 4Drink boiled water;wash hands often;keep away from flies;choose fresh seafood;keep the kitchen clean;cook raw food thoroughly;dispose rubbish properly and so on.