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必修5Unit1GreatscientistsObjectiveFindoutwhatyoualreadyknowaboutfamousscientists.我们在此处增加本课时重点单词和短语表达部分,旨在帮助学生在上课前对早读学习的单词及短语进行复习回顾，从而加深记忆。★用一分钟时间对单词进行复习，使学生在新课学习中没有单词障碍。★通过朗读，使学生熟练掌握单词的正确发音。★所呈现单词均出自课本单词表中的词汇。characteristicradiumpainterscientificconcludeconclusionanalysen.特征;特性n.镭n.画家;油漆匠adj.科学的vt.&vi.结束;推断出n.结论;结束vt.分析Wordsreviewputforwarddrawaconclusion提出得出结论ExpressionsreviewTherearesomegreatscientificachievementsthathavechangedtheworld.Canyounamesomeofthem?Matchtheachievementswiththescientistsbelow.GalileoGalileiBenjaminFranklinNewtonAlexanderBellAlbertEinsteinthetheoryoffallingobjectslightningthelawofgravitytelephoneScientistsAchievementsthetheoryofrelativityWhatdoyouknowaboutgreatscientists?Trythisquizandfindoutwhoknowsthemost.1.Whichscientistdiscoveredthatobjectsinwaterareliftedupbyaforcethathelpsthemfloat?B.ArchimedesC.ThomasEdisonA.CharlesDarwinArchimedes(287-212BC),anancientGreekmathematician&physicist2.Whowroteabookexplaininghowanimalsandplantsdevelopedastheenvironmentchanged?A.MarieCurieC.CharlesDarwinB.GregorMendelCharlesDarwin(1808-1882),BritishauthorofTheOriginofSpecies3.Whoinventedthefirststeamengine?A.ThomasNewcomenC.ThomasEdisonB.ArchimedesThomasNewcomen(1663-1729),British,improvedthefirststeampumpandturneditintoasteamenginefortakingwateroutofminesin17124.Whousedpeastoshowhowphysicalcharacteristicsarepassedfromparentstotheirchildren?A.ThomasEdisonC.ArchimedesB.GregorMendelGregorMendel(1822-1884),Czech,developedideasonheredity(遗传学)andinherited(继承,承传)characteristics5.Whodiscoveredradium?C.MarieCurieB.NewtonA.ZhangHengMarieCurie(1867-1934),PolishandFrench,wontwoNobelprizes6.Whoinventedthewayofgivingelectricitytoeverybodyinlargecities?A.StephenHawkingC.ThomasEdisonB.ArchimedesThomasEdison(1847-1931),AmericaninventorThomasEdisonInventionsofThomasEdisonPhonograph留声机Lightbulbmotionpicturecamera7.Whowasthepainterthatstudieddeadbodiestoimprovehispaintingofpeople?A.GregorMendelC.MarieCurieB.LeonardodaVinciLeonardodaVinci(1452-1519),ItalianartistLeonardodaVinci’spaintings8.Whoinventedalamptokeepminerssafeunderground?A.SirHumphryDavyC.FaradayB.ThomasNewcomenSirHumphryDavy(1778-1829),British,discoveredthemedicinalvalueofnitrousoxide(一氧化二氮)asanaesthetic(麻醉剂)9.Whoinventedtheearliestinstrumenttotellpeoplewhereearthquakeshappened?A.CharlesDarwinC.WattB.ZhangHengZhangHeng(78-139),Chinese,inventedthefirstseismographseismograph地动仪10.Whoputforwardatheoryaboutblackholes?A.StephenHawkingC.CopernicusB.ArchimedesStephenHawking(1942-),Britishscientist,workedinastronomyandstudiedblackholesinspaceThequotesbelowarefromsomefamousscientists.Doyouknowtheirmeanings?Imaginationismoreimportantthanknowledge.“想象力比知识更重要。”AlbertEinsteinGeniusisonepercentinspirationandninety-ninepercentperspiration.“天才就是百分之九十九的汗水加上百分之一的灵感。”ThomasAlvaEdisonMarieCurieNothinginlifeistobefeared,itisonlytobeunderstood.“生活中没有什么可怕的东西，只有需要理解的东西。”Ittakesaveryunusualmindtoundertakeanalysisoftheobvious.AlfredWhitehead“分析明显存在的事物需要非凡的头脑。”Whatmakesascientistsuccessful?strongwillimaginationcreativitypatiencepersistencecarefulnesscuriosity…Doyouknowhowtoproveanewideainscientificresearch?Discussinsmallgroupsthestagesinsettingoutanewscientificidea.Whatorderwouldyouputthemin？DrawaconclusionThinkofamethodCollectresultsMakeaquestionFindaproblemAnalysetheresultsFindsupportingevidenceWhatdiseasespreadaroundtheworldin2003?SARSWhichdoctorimpressedyoumostduringtheSARS?ZhongNanshan(钟南山)Whatotherinfectiousdiseasesdoyouknow?birdfluH1N1Hand-foot-mouthdisease(HFMD)Infectiousdiseasescanbespreadtootherpeople.Theyhaveanunknowncauseandneedpublichealthcaretosolvethem.Peoplemaybeexposedtoinfectiousdiseases,somayanimals.Birdflu,AIDSandSARSareinfectiousdiseases.Infectiousdiseasesaredifficulttocure.Whatdoyouknowaboutinfectiousdiseases?Whatdoyouknowaboutcholera?WhatotherdiseasesdoyouknowaresimilartoSARStoday?choleraWhatisCholera?CholeraistheillnesscausedbyabacteriumcalledVibriocholerae.Itinfectspeople’sintestines(肠),causingdiarrhea(腹泻),vomitingandlegcramps.Themostcommoncauseofcholeraisbysomeoneeatingfoodordrinkingwaterthathasbeeninfectedwiththebacteria.Afteradisaster,thisisaveryrealdanger,sinceregular,cleanwaterandfoodsuppliesareoftenunavailable.Thediseasecanbespreadevenfurtherbyinfectedpeopleusingalreadydirtiedwatersourcestocleanthemselvesordisposeofwaste.GreatBritainGermanyDeathoffirstcholeracaseinLondonduringthe1848-49epidemicLondonPreviouscholeraepidemicinGreatBritainin1831-32ThespreadofcholeraHomework1.Writeapassageaboutoneofyourfavouritescientistinabout150words.2.PreviewtheReading:JOHNSNOWDEFEATS“KINGCHOLERA”