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Unit1GreatscientistsWarmingupLet’shaveacompetition!2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?3.Whoinventedthefirststeamengine?4.Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren.5.Whodiscoveredradium?6.Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?7.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?8.Whoinventedalamptokeepminerssafeunderground?9.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?10.Whoputforwardatheoryaboutblackholes?遗传学电浮力定理镭进化论画家蒸汽机矿工安全灯黑洞理论地震仪Doyouknowhowtoproveanewideainscientificresearch?DrawaconclusionThinkofamethodCollectresultsMakeaquestionFindaproblemAnalysetheresultsFindsupportingevidenceWhatdoyouknowaboutinfectiousdiseases?WhatdoyouknowaboutCholera?ReadingFindoutthemainideaofeachparagraph.para.1Deadlydisease:choleraoutbreakinLondonpara.2Twopossibletheoriespara.3Lookforevidencepara.4Markinformationonamaptofindoutwherepeoplediedordidnotdiepara.5Analysethewaterpara.6Findothersupportingevidencespara.7ThepolluteddirtysourceofdrinkingwaterwastoblameWhat’sthemainideaofthepassage?JohnSnowwasawell-knowndoctorinLondon.ThecauseofCholerawaspollutedwater.Thesourceofalldrinkingwatershouldbeexamined.HowJohnSnowcollectedanalyzeddataandfoundthecauseofthediseaseandsolvedit.Doyouknowwhatwasthismapusedforin1854?2.Whathappenedin1854?3.Howmanypeoplediedin10days?5.WhichtheorydidJohnSnowbelievein?1.Readthepassageandnumbertheseeventsintheorderthattheyhappened.⒈AnoutbreakofcholerahitLondonin1854.⒉JohnSnowbegantotesttwotheories.⒊JohnSnowinvestigatedtwostreetswheret