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1、Unit1GreatScientists Doyouknow Whodiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged Archimedes CharlesDarwin Whoinventedthefirststeamengine ThomasNewcomen Whousedpeastoshowhowphysicalcharacteristicsarepassedfr
2、omparentstotheirchildren GregorMendel Whodiscoveredradium Whoinventedthewayofgivingelectricitytoeverybodyinlargecities Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople MariesCurie ThomasEdison LeonardodaVinci Whoinventedalamptokeepminersafeunderground Whoinventedtheearliestinstrumen
3、ttotellpeoplewhereearthquakeshappened Whoputforwardatheoryaboutblackholes SirHumphreyDavy ZhangHeng StephenHawking Whoisthefatherofsuperhybridrice YuanLongping Doyouknowwhodefeated KingCholera JohnSnow JohnSnowisawell knowndoctorinthe19thcenturyinLondonandhedefeated KingCholera Doyouknowwhatkindofdi
4、seaseischolera Itisakindofterriblediseasecausedbydrinkingdirtywateranditcausedalotofdeathsintheoldtimesanditwasverydifficulttodefeat Let sgettoknowhowDr JohnSnowdefeated KingCholera in1854inLondoninthisreadingpassage JohnSnowDefeats KingCholera Whathappenedin1854 Howmanypeoplediedin10days Whyisthere
5、nodeathatNo 20and21BroadStreetaswellasatNo 8and9CambridgeStreet CholeraoutbreakhitLondon 500 ThesefamilieshadnotdrunkthewaterfromtheBroadStreetpump Task1 SkimandScan Task2 Readandanswer 1Whycouldn tthecholerabeundercontrolatfirst 2WhichtheorydidJohnSnowbelievein 3JohnSnowfinallyprovedthetheoryhebeli
6、evedby A gatheringinformationwiththehelpofamapB lookingintothesourceofthewaterforBroadStreetandCambridgeStreetC Separatingthosewhosufferedcholerafromthosewhodidn tD BothAandB4Topreventthecholerafromspreadingagain whatdidJohnSnowdo 1Whycouldn tthecholerabeundercontrolatfirst 2WhichtheorydidJohnSnowbe
7、lievein Neitheritscause notitscurewasunderstood Peopleabsorbedcholeraintotheirbodieswiththeirmeals 3JohnSnowfinallyprovedthetheoryhebelievedby A gatheringinformationwiththehelpofamapB lookingintothesourceofthewaterforBroadStreetandCambridgeStreetC separatingthosewhosufferedcholerafromthosewhodidn tD
8、 bothAandB 4Topreventthecholerafromspreadingagain whatdidJohnSnowdo Suggestedthatthesourceofallwatersuppliesbeexamine Suggestedthatnewmethodsofdealingwithpollutedwaterbefound Instructedthewatercompaniesnottoexposepeopletothepollutedwateranymore JohnSnowDefeats KingCholera Thepassageiswrittenasarepor
9、tofanexperimentandthereare7steps 1 Findaproblem 发现问题 2 Makeupaquestion 形成研究主题 3 Thinkofamethod 找出研究方法 4 Collectresults 收集材料 5 Analyseresults 分析材料 6 Repeatifnecessary 必要时重新分析 7 Drawaconclusion 得出结论 MindMapofthetext JohnSnowDefeats KingCholera Paragraph1 IntroductionofJohnSnowandCholera Paragraph2 Two
10、theory FindaProblem Whatcausethecholera Makeaquestion Whichisright Paragraph3 5 Studyofthebreakoutin1854 Paragraph3 Studyofthebreakoutin1854 Thinkofamethod TesttwotheoryCollecttheresult MarkthedeathAnalysetheresult Reasonfordeathandnodeath Paragraph4 Studyofthebreakoutin1854 Paragraph5 Studyofthebre
11、akoutin1854 Analysetheresult Findtheresourceofthewater Repeatifnecessary Findmoreevidence Drawaconclusion CholerawasspreadbygermPollutedwatercarriedcholera Paragraph6 PreventionofCholeraJohnSnowdefeatKingCholera ReadthepassageagainandfinishEx 1 Page3 in8minutes JohnSnowDefeats KingCholera Nobodyknew
12、thecauseoftheseriousdiseaseofcholera astrangecloudofgasfounditsvictims peopleabsorbedthediseasewithmeals Collectinformationfromthecholeraoutbreaktoprovewhichtheorywascorrect Hefoundthecauseofcholerawasthepollutedwater Idea2 Becausetheinformationshowedthatthedirtywatercarriedcholera Hedefeatedcholera
13、byexaminingthewatersupplyanddealingwiththepollutedwater Retellthepassageaccordingtobelow JohnSnowwasawell known inLondoninthe century Hewantedtofindthe ofcholerainorderto it In1854whenacholera out hebegantogatherinformation He onamapwhereallthedeadpeoplehadlivedandhefoundthatmanypeoplewhohaddrunkthe
14、dirtywaterfromthe died Sohedecidedthatthepollutedwatercarriedcholera Hesuggestedthatthe ofallwatersupplybe andnewmethodsof withpollutedwaterbefound Finally KingCholera wasdefeated Readthepassageagainandfillintheblanks JohnSnowwasawell known inLondoninthe century Hewantedtofindthe ofcholerainorderto
15、it In1854whenacholera out hebegantogatherinformation He onamapwhereallthedeadpeoplehadlivedandhefoundthatmanypeoplewhohaddrunkthedirtywaterfromthe died Sohedecidedthatthepollutedwatercarriedcholera Hesuggestedthatthe ofallwatersupplybe andnewmethodsof withpollutedwaterbefound Finally KingCholera was
16、defeated doctor 19th cause defeat broke marked pump source examined dealing in5minutes Doyouknow 发明蒸汽机的并不是瓦特 他是改进纽可门的蒸气机并发明出双动作 使世界进入 蒸气时代 的 使他成为第一次工业革命中的名气最大的发明家 1865年 修士孟德尔在一个会议上报告了他通过长达八年的实验研究和他所统计的多达两万一千多件样本的实验结果 利用豌豆实验发现了植物的遗传规律 但是孟道尔的理论超出了当时人们能够接受的水平 35年后 三国科学家几乎是同时发现了植物遗传的规律 而当他们准备发表论文 去查阅文献时 又不约而同地发现 早在35年前孟德尔就发现这样的规律了 他们三个人在发表论文时 都提到了孟德尔的文章 称自己的工作是证实了孟德尔的定律 这就是生物学史上的有名的 孟德尔定律的再发现 英国化学家 诗人汉弗莱 戴维 1778年出生 他小时聪明 淘气 不喜欢读书 喜欢玩乐 他不到20岁时 父亲去世 为了养家糊口 他到当地一位医生那当学徒 从此接触并喜欢上化学 因为觉得自己知识浅薄 他就自订计划发奋用功
