GreatscientistsWarmingUp1.Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?Archimedes2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?CharlesDarwinIt’susedinthetreatmentofsomediseases,especiallycancer.3.Whodiscoveredradium?4.Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?ThomasEdison5.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?Leonardodavinci6.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?7.Whoputforwardatheoryaboutblackholes?JohnSnowdefeats“Kingcholera”Whatcanyoulearnfromthetitle?WhoisJohnSnow?JohnSnow约翰▪斯诺(1813~1858),英国麻醉学家、流行病专家。他首次提出了预防霍乱的措施。1854年,伦敦霍乱流行,斯诺通过研究霍乱病死者的日常生活情况,寻找到他们的共同行为模式,发现了霍乱与饮用不洁水的关系,由于及时切断了二者的联系,有效制止了霍乱的流行。Nameofillness1.Whathappenedin1854?2.Howmanypeoplediedin10days?3.WhywastherenodeathatNo.20and21BroadStreetaswellasatNo.8and9CambridgeStreet?1.Whathappenedin1854?2.Howmanypeoplediedin10days?3.WhywastherenodeathatNo.20and21BroadStreetaswellasatNo.8and9CambridgeStreet?CarefulReading:(3m)CarefulReading:(3m)AmapofBroadStreetCarefulReading:(5m)CarefulReading:Choosethebestanswers.1.What’sthepurposeofthetext?A.Toshowushowdifficultitwastofindacureforcholera.B.TotellushowJohnSnowfoundthecauseofcholeraandthecureforit.C.Toshowushowdifficultitwastocarryoutexperimentsatthattime.D.Totellusthewaycholeraspreadandhowseriousitwas.2.WhatinspiredJohnSnowaccordingtothefirstparagraph?BeingQueenVictoria’spersonalphysician.B.Findingwherecholerahappened.C.Helpingordinarypeoplewhosufferedfromcholera.D.Usinghisknowledgetohelpsolvetheproblem.3.Whatdoes“it”meaninthesentence?Tohelphimfindthenumberofdeadpeople.B.Tohelphimnotlosehisway.C.Tohelphimfindthereasonofthecholeraoutbreak.4.WhichofthefollowingisTRUEaccordingtothetext?JohnSnowbecamefamousaftercholerahitEnglandinthe19thcentury.B.JohnSnowbegantocollectinformationlongbeforecholerahitEnglandinthe19thcentury.C.ThemotherandherdaughtermentionedinthetextbothlivedinBroadStr