新课标人教版高中英语必修5教案.pdf
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1、Unit 1 Great scientistsTeaching aims1.To help students learn to describe people2.To help students learn to read a narration about John Snow3.To help students better understand“Great scientists4.To help students learn to use some important words and expressions5.To help students identify examples of
2、The Past Participle(1)as the Predicative&theattributePeriod 1 Warming up and readingTeaching ProceduresI.Warming upStep I Lead inTalk about scientist.T:Hi,morning,class.Nice to see you on this special day,the day when you become asenior two grader.I am happy to be with you helping you with your Engl
3、ish.Today we are toread about a certain scientist.But first lets define the word“scientist”.What is a scientist?A scientist is a person who works in science,trying to understand how the universe orother things work.Scientists can work in different areas of science.Here are some examples:Those thatst
4、udy physics are physicists.Those that study chemistry are chemists.Those that study biologyare biologists.Step IIAsk the students to try the quiz and find out who knows the most.T:There are some great scientific achievements that have changed the world.Can youname some of them?What kind of role do t
5、hey play in the field of science?Do theseachievements have anything in common?Match the inventions with their inventors belowbefore you answer all these questions.1.Archimedes,Ancient Greek(287-212 BC),a mathematician.2.Charles Darwin,Britain(1808-1882).The name of the book is Origin of Species.3.Th
6、omas Newcomen,British(1663-1729),an inventor of steam engine.4.Gregor Mendel,Czech,a botanist and geneticist.5.Marie Curie,Polish and French,a chemist and physicist.6.Thomas Edison,American,an inventor.7.Leonardo da Vinci,Italian,an artist.8.Sir Humphry Davy,British,an inventor and chemist.9.Zhang H
7、eng,ancient China,an inventor.10.Stepper Hawking,British,a physicist.IL Pre-readingStep IGet the students to discuss the questions on page 1 with their partners.Then ask thestudents to report their work.Encourage the students to express their different opinions.1.What do you know about infectious di
8、seases?Infectious diseases can be spread lo other people.They have an unknown cause and needpublic health care to solve them.People may be exposed to infectious disease,so may animals,such as bird flu,AIDS,SARS are infectious diseases.Infectious diseases are difficult to cure.2.What do you know abou
9、t cholera?Cholera is the illness caused by a bacterium called Vibrio cholecae.It infects peoplesintestines(肠),causing diarrhea and leg cramps(抽筋).The most common cause of cholera isby someone eating food or drinking water thal has been sntamiaated(污染)with the bacteria.Cholera can be mild(不严重的)or eve
10、n without immediate symptoms(症状)but a severe casecan lead to death without immediately treatment.3.Do you know how to prove a new idea in scientific research?Anybody might come out with a new idea.But how do we prove it in scientific research?There are seven stages in examining a new idea in scienti
11、fic research.And they can be put inthe following order.What order would you put the seven in?Just guess.Find a problem Make up a question一 Think of a method Collect resultsAnalyse the results Draw a conclusion*Repeat if necessaryIII.ReadingStep I Pre-reading1.Do you know John Snow?John Snow is a wel
12、l-known doctor in the 19th century in London and he defeated“KingCholera”.2.Do you know what kind of disease is cholera?It is a kind of terrible disease caused by drinking dirty water and it caused a lot of deaths inthe old times and it was very difficult to defeat.Lets get to know how Dr.John Snow
13、defeated“King Cholera in 1854 in London in thisreading passage:Step II SkimmingRead the passage and answer the questions.1.Who defeats 4tKing Cholera44?(John Snow)2.What happened in 1854?(Cholera outbreak hit London.)3.How many people died in 10 days?(500)4.Why is there no death at No.20 and 21 Broa
14、d Street as well as at No.8 and 9Cambridge Street?(These families had not drunk the water from the Broad Street pump.)(Optional)Skim the passage and find the information to complete the form below.WhoWhenWhatHowResultJohnSnow1854helpingordinarypeopleexposed tocholeraExamining the source ofall water
15、supplies andfinding new methods ofdealing with pollutedwaster“King CholeradefeatedStep III ScanningRead the passage and number these events in the order that they happened.2 John Snow began to test two theories.An outbreak of cholera hit London in 1854.4 John Snow marked the deaths on a map.7 He ann
16、ounced that the water carried the disease.3 John Snow investigated two streets where the outbreak was very severe.8 King Cholera was defeated.5 He found that most of the deaths were near a water pump.6 He had the handle removed from the water pump.Step IV Main idea and correct stageRead the passage
17、and put the correct stages into the reading about research into a disease.John Snow Defeats ctKing Cholera”ParagraphStagesGeneral ideas1Find a problem:What cause the cholera?The causes of cholera2Make up a question:Which is right?The correct or possible theory3Think of a method:Test two theoryCollec
18、t data on where people were ill and diedand where they got their water4Collect results:Mark the deathPlot information on a map to find out wherepeople died or did not die5Analyze the results:Find the resource of the waterLook into the water to see if that is the cause ofthe illness6Find supporting e
19、videnceFind other evidences to confirm his conclusion7Draw a conclusionThe polluted dirty source of drinking water wasto blame for the cause of the London choleraStep V Group discussionAnswer the questions(Finish exercise 2 on Page 3)1.John Snow believed Idea 2 was right.How did he finally prove it?
20、(John Snow finally proved his idea because he found an outbreak that was clearlyrelated to cholera,collected information and was able to tie cases outside the area to thepolluted water.)2.Do you think John Snow would have solved this problem without the map?(No.The map helped John Snow organize his
21、ideas.He was able to identify thosehouseholds that had had many deaths and check their water-drinking habits.He identifiedthose houses that had had no deaths and surveyed their drinking habits.The evidence clearlypointed to the polluted water being the cause.)3.Cholera is a 19th century disease.What
22、 disease do you think.is similar to cholera today?(Two diseases,which are similar today,are SARS and AIDS because they are bothserious,have an unknown cause and need public health care to solve them.)Step VI Using the stages for scientific research and write a summary.Period 2&3 Language focusStep I
23、 Warming up1.characteristic n.a quality or feature of sth.or someone that is typical of them and easy torecongnize.特征;特性What characteristics distinguish the Americans from the Canadians.a.very typical of a particular thing or of someones characer 典型性的,Such bluntness is characteristic of him.Windy da
24、ys are characteristic of March.辨析 characteristic 与 charactercharacteristic是可数名词,意为“与众不同的特征”character表示(个人、集体、民族特有的)“性格、品质”,还意为“人物;文字”What you know about him isnt his real character.2.put forward:to state an idea or opinion,or to suggest a plan or person,for other people toconsider 提出He put forward a
25、 new theory.The foreigners have put forward a proposal for a joint venture.An interesting suggestion for measuring the atmosphere around Mars has been put forward.put on穿上;戴上;增加 put out熄灭(灯);扑灭(火)put up with忍受put down写下来;放下;put o ff耽误;延期 put up建立;建造,put up举起,搭建,粘贴3.analyze:to examine or think about
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