高二英语上学期_第1页
高二英语上学期_第2页
高二英语上学期_第3页
高二英语上学期_第4页
高二英语上学期_第5页
已阅读5页,还剩22页未读 继续免费阅读

下载本文档

版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领

文档简介

Unit1MakingadifferenceWarming-upyoucanonlyhelphimfinditwithinhimself.,AlfredNorthWhitehead(b.1861-d.1947),Britishmathematician(数学家),logician(逻辑学家)andphilosopher(哲学家)bestknownforhisworkinmathematicallogic(数理逻辑)andthephilosophyofscience.Hecontributedsignificantlytotwentieth-centurylogicandmetaphysics(宇宙哲学).,AlfredNorthWhitehead,Ifwintercomes,canspringbefarbehind?Wherethereisawill,thereisaway.Attwentyyearsofage,thewillreigns;atthirty,thewit;andatforty,hejudgment.Knowledgeispower.Youhavetobelieveinyourself.Thatsthesecretofsuccess.Geniusonlymeanshardworkingalloneslife.Sciencerequirestheeffortofalifetimeandevenifyouhadtwolivestogive,itwouldstillnotbeenough.,ThomasEdison,AmericaninventorCharlesChaplin,AmericanactorMendeleyerRussianChemist(俄国化学家门捷列耶夫)P.B.ShelleyBritishpoetFrancisBaconBritishphilosopherIvanPavlovBenjaminFranklinAmericanpresident,ListeningP2,GreatmindNo1:Thisgreatmindwasonfirefor_.ThescientistsnameissimilartotheEnglishwordcurious,meaning_.GreatmindNo2:Thisgreatmindwasonfirefor_.ThescientistsnameissimilartotheEnglishwordfor_.GreatmindNo3:1.Thismanisknownfor_.2.Hewantstobecalledthe_.Why?,radioactivity,beinginterestedinsomething,gravity,somethingnotold,lookingforwaystogrowmorerice,farmer,Thiswomanisoneofthe_ofalltimes._hernametellsyouthatshelikesscience.Agoodscientistshouldwanttofindoutanswersandaskmanyquestions._,theyshouldbe_.Thiswomanwas_curious.Togetherwithherhusband,shetrytolearnthe_ofradioactivity.Thecouplewere_theNobelPrizeforPhysicsin1903.Eightyearslater,shereceivedthesecondNobelPrize.Thistimefor_.,MadameCurie,greatestscientists,Eevn,Inotherwords,curious,certainly,secret,awarded,Chemistry,_thatthisEnglishgentlemanwassittinginthisgardenoneday_suddenlyhewashitbyafallingapple.Thestoryis_nottrue.Butthismandid_thathegotoneofhis_ideaswhilewatchingapplesfallfromatree.Hisnamemakesyouthinkthathewasnotinterestedinoldthings.Hediscovered_gravity,andhe_asystemofhowobjectsmove.Hislawfor_arestillusedinphysicstoday,_inschoolsanduniversities.,Itissaid,when,probably,mention,best-known,theforceof,drew,up,motion,atleast,SirIsaacNewton,YuanLongping,Foodiswhat_thisgreatmind_.Rice,_.Thisgreatmindhasspentmostofhislifelookingforwaystohelpfarmersgrowmorericesothatallofuswillhaveenoughfoodtoeat.Heisknownasthefatherofmodernrice,butbecauseofhislong_withallthefarmersinChina,he_beknownas“thefarmer”.,sets,onfire,tobeexact,friendship,wouldrather,ListeningP81,Part1.Aspidercanmake_thatismuch_thanmostman-madematerials.2.Aspiders_doesnt_easily.3.Bestofall,thespiderproducesthe_withouttheuseof_or_chemicals.4.Ifwecouldlearntousethetechnique,wemightbeabletousethestrongsilktomakethingslike_andwiresthatholdupbridges.,silk,stronger,silk,break,silk,dangerous,poisonous,seatbelts,Scientistsoftenlookatnatureinordertofindnewideas.Inancienttimes,Chinesescientistsstudiedhowspidersmakesilk.Modernscientistsareinterestedinthespider,too.Aspidercanmakesilkthatismuchstrongerthanmostman-madematerials.Aspiderssilkdoesntbreakeasily.Insteadofbreaking,itgetslonger.Bestofallthespiderproducesthesilkwithouttheuseofdangerousorpoisonouschemicals.Ifwecouldlearntousethetechnique,wemightbeabletousethestrongsilktomakethingslikeseatbeltandwiresthatholdupbridge.,Part1,Part2.,ItcanMakestrongsilkwithoutusingdangerousorpoisonouschemicals,Useitmakebetterseatbeltsandstrongerwirestoholdupbridges,Itkeepsitsleavescleanusingtinyhairsandneedles,Usethesametechnologytomakepaintthewouldstayclean,Itusesitmakebetterseatbeltsandstrongerwirestoholdupbridges,Usethesamemethodtokeepcomputerscools,Therearemanyotherexamplesofhownewtechnologyhasbeendevelopedbylearningfromnature.AgroupofGermanscientistswantedtofindoutwhyleavesandflowersareabletostaysoclean.Theydecidedtotakeacloserlookatthewhitelotus,aflowerthatisknownforitscleanleaves.Atfirst,thescientistsbelievedthataveryflatleavewouldbebetteratstayingclean.However,whentheylookedcloselyatthewhitelotus,thescientistssawthattheleafwasinfactcoveredwithtinyhairsandneedles.Theneedlesandhairscollectthedustthatfallsontheleafsothataraindropcaneasilywashitoff.TheGermanscientistsusedthistechniquetodesignanewkindofpaint.Thenewpaintcouldkeephouseslookingcleanforyears.,whitelotus,Scientistalsobelievethatthebutterflycouldteachusawaytokeepourcomputerscool.Acomputermustbekeptcooltofunctionwell.Thefansweusetodayarenotalwaysgoodenough.Thebutterflyiscold-bloodedandmustchangeitsbodytemperatureallthetime.Scientistshavefoundthattherearesmallpartsonitswingswhatthebutterflyusestochangeitstemperature.Ifscientistscanlearnhowthisisdone,itmaybepossibletousethesamemethodtokeepcomputersfrombecomingtoohot.,Butterfly,Branchesofscience,Biology,Mathematics,Chemistry,Physics,Computerscience,Astronomy,Whichbranchofscienceisthemostimportantandusefultosociety?,Ithinkthat_isthemostimportantandusefulsciencebecause_.,Geography,Pre-reading&Reading&Postreading,HowdidHawkingfacethesituation,Discussion,Trueorfalse,Hawkingcantexpresshimselfinwordswithoutthehelpofacomputer.2.ItisHawkingwhodiscoveredblackholesonhisown.3.Hawkingsbest-sellerABriefHistoryofTimeexplainsdifficulttheoryinasimpleway.4.Inscientificfield,thebesttheorycantturnouttobewrong.5.Inscientificresearchtheobservationisveryimportant.6.Allthetheoriescanbetestedbyexperiments.7.SometimesitisnotapieceofcaketounderstandHawkingslecture.,TFTFT,FT,becamefamousWroteabook-ABriefHistoryofTimevisitedChinaandgavelecturesinBeijingandHangzhou,How?,How?,ABriefHistoryofTime,ABriefHistoryofTime,ABriefHistoryofTime,ABriefHistoryofTime,WriteaboutitinasimplewayBothwhatitmeanstobeascientistandhowscienceworks,AccordingtoHawking,howdopeoplemisunderstandscience?Peopleoftenthinkthatscienceisabout“true”factsorrulesthatneverchange.AccordingtoHawking,scienceisalwayschangingandmanytheoriesareeventuallyprovenwrong.,CarefullyobservewhatyouareinterestedinBuildatheoryabouthowthingshappenTestthetheorytoseeifitmatcheswhattheyhaveseenandifitcanpredictfutureevents,Basicstepsofthescientificmethod,IsitdifficultforpeopletounderstandHawkingslectures?Why?WhatisitthatHawkingdoesnotlikeabouthisspeechcomputer?,Sometimes.Becausehisthoughtsandideasoftenseemaslargeastheuniverseheistryingtodescribe.ThespeechcomputergiveshimanAmericanaccent.,Discussion,Whatdoesthetitlemean?,NoBoundaries,Thereisnolimitationoflearninganddetermination.Wherethereisawill,thereisaway.Theimportantthinginlifeistohaveagreataim,andthedeterminationtoachieveit.(人生之要事在于确立伟大的目标与实现这目标的决心。),壮心无崖,Makingadifference,FrancisBacon,Knowledgeispower.,Integratingskills,I

温馨提示

  • 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
  • 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
  • 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
  • 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
  • 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
  • 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
  • 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

评论

0/150

提交评论