unit1_great_scientists

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1、Unit1GreatScientists1.Whichscientistsdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?Archimedes阿基米德2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?CharlesDarwin达尔文3.Whoinventedthefirstadvancedsteamengine?JamesWatt瓦特4.Who

2、usedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren?GregorMendel门德尔5.Whodiscoveredradium?MarieCurie居里夫人6.Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?ThomasEdison爱迪生7.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpe

3、ople?LeonardodaVinci达芬奇8.Whoinventedalamptokeepminerssafeunderground?HumphryDavy汉弗莱戴维9.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?张衡10.Whoputforwardatheoryaboutblackholes?StephenHawking斯帝芬霍金Whodefeats“KingCholera“?Whathappenedin1854?Howmanype

4、oplediedin10days?WhyistherenodeathatNo.20and21BroadStreetaswellasatNo.8and9CambridgeStreet?JohnSnowCholeraoutbreakhitLondon.Morethan500ThesefamilieshadnotdrunkthewaterfromtheBroadStreetpump.1Whycouldn’tthecholerabeundercontrolatfirst?2WhichtheorydidJohnSnowbelievein?N

5、eitheritscause,notitscurewasunderstood.Peopleabsorbedcholeraintotheirbodieswiththeirmeals.ReadthepassageagainandfinishEx.1(Page3).TheproblemThecauseIdea1:Idea2:ThemethodScientificReportbyJohnSnowNobodyknewthecauseoftheseriousdiseaseofcholeraastrangecloudofgasfounditsv

6、ictimspeopleabsorbedthediseasewithmealsCollectinformationfromthecholeraoutbreaktoprovewhichtheorywascorrectTheresultsIdea1or2?Why?TheconclusionHefoundthecauseofcholerawasthepollutedwaterIdea2.BecausetheinformationshowedthatthedirtywatercarriedcholeraHedefeatedcholerab

7、yexaminingthewatersupplyanddealingwiththepollutedwaterMindMapofthetextJohnSnowDefeats“KingCholera”Paragraph1:IntroductionofJohnSnowandCholeraParagraph2:TwotheoryFindaProblem:Whatcausethecholera?Makeaquestion:Whichisright?Paragraph3-5:Studyofthebreakoutin1854Paragraph3

8、:Studyofthebreakoutin1854Thinkofamethod:TesttwotheoryCollecttheresult:MarkthedeathAnalysetheresult:ReasonfordeathandnodeathP