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unit1greatscientists whatdoyouknowaboutgreatscientists trythequizonp1andfindoutwhoknowsthemost warmingup 1 whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat archimedes 287 212bc anancientgreekmathematician physicist 2 whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged charlesdarwin 1808 1882 britishauthoroftheoriginofspecies 3 whoinventedthefirststeamengine thomasnewcomen 1663 1729 british improvedthefirststeampumpandturneditintoasteamenginefortakingwateroutofminesin1712 jameswattimproveditandturneditintothefirstmodernsteamengineusedontherailways 4 whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren gregormendel 1822 1884 czech 捷克人 5 whodiscoveredradium mariecurie 1867 1934 polishandfrench wontwonobelprizes 6 whoinventedthewayofgivingelectricitytoeverybodyinlargecities thomasedison 1847 1931 anamericaninventor 7 whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople lastsupper monalisa leonardodavinci 1452 1519 italianartist 8 whoinventedalamptokeepminerssafeunderground sirhumphrydavy 1778 1829 british miniatureminer ssafetylamp 9 whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened zhangheng 78 139 chinese inventedseismograph 10 whoputforwardatheoryaboutblackholes stephenhawking 1942 abritishastronomer 1 doyouknowaboutsars itisakindofterribleinfectiousdiseasecausedbydrinkingdirtywateranditcausedalotofdeathsintheoldtimesanditwasverydifficulttodefeat itisakindofterribleinfectiousdisease whichkilledmanypeople 2 doyouknowaboutcholera butjohnsnow awell knowndoctorinthe19thcenturyinlondon defeated kingcholera johnsnowdefeats kingcholera let sgettoknowhowdr johnsnowdefeated kingcholera in johnsnow 1813 1854 forhispersistenteffortstodeterminehowcholerawasspreadandforthestatisticalmappingmethodsheinitiated johnsnowiswidelyconsideredtobethefatherofepidemiology 流行病学 johnsnowdefeats kingcholera whycouldn tcholerabecontrolledatfirst itscausewasnotunderstooditscurewasnotunderstoodneitheritscausenoritscurewasunderstood firstreading in10minutes writedownthemainideaofeachparagraphpara1 para2 para3 para4 johnsnowwasafamousdoctorinlondonandhewaskindenoughtohelptheordinarypeoplewithcholera johnsnowwasinterestedintwotheoriesaboutcholera johnsnowcollectedinformationtotestthetwotheories themapshowedthatthepollutedwatermightbethereasonforcholera para5 para6 para7 thereasonforcholerawasthatthesourceofthewater 水源 waspolluted johnsnowwassureenoughthatpollutedwatercarriedthediseaseofcholera johnsnowsuggestedhowtopreventcholerafromhappeningagain johnsnowdefeats kingcholera thepassageiswrittenasareportofanexperimentandthereare7steps 1 findaproblem 2 makeupaquestion 3 thinkofamethod 4 collectresults 5 analyseresults 6 repeatifnecessary 7 drawaconclusion johnsnowdefeats kingcholera whatcausescholera whichtheoryiscorrect collectinformationonthosewhowereillordiedandwheretheygottheirwater markinformationonamaptofindoutwherepeoplediedordidnot
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