2023年劍閱讀真題原文WilliamHenryPerkin_第1頁(yè)
2023年劍閱讀真題原文WilliamHenryPerkin_第2頁(yè)
2023年劍閱讀真題原文WilliamHenryPerkin_第3頁(yè)
2023年劍閱讀真題原文WilliamHenryPerkin_第4頁(yè)
2023年劍閱讀真題原文WilliamHenryPerkin_第5頁(yè)
已閱讀5頁(yè),還剩7頁(yè)未讀, 繼續(xù)免費(fèi)閱讀

下載本文檔

版權(quán)說(shuō)明:本文檔由用戶提供并上傳,收益歸屬內(nèi)容提供方,若內(nèi)容存在侵權(quán),請(qǐng)進(jìn)行舉報(bào)或認(rèn)領(lǐng)

文檔簡(jiǎn)介

CAMBRIDGEIELTS9NOTE原文真題ReadingPassage1WilliamHenryPerkinThemanwhoinventedsyntheticdyesWilliamHenryPerkinwasbornonMarch12,1838,inLondon,England.Asaboy,Perkin’scuriositypromptedearlyinterestsinthearts,sciences,photography,andenginee(cuò)ring.Butitwasachancestumblinguponarun-down,yetfunctional,laboratoryinhislategrandfather’shomethat(yī)solidifiedtheyoungman’senthusiasmforchemistry.AsastudentattheCityofLondonSchool,Perkinbecameimmersedinthestudyofchemistry.Histalentanddevotiontothesubjectwereperceivedbyhisteacher,ThomasHall,whoencouragedhimtoattendaseriesoflecturesgivenbytheeminentscientistMichaelFaradayattheRoyalInstitution.Thosespeechesfiredtheyoungchemist’senthusiasmfurther,andhelaterwentontoattendtheRoyalCollegeofChemistry,whichhesucceededinenteringin1853,at(yī)theageof15.AtthetimeofPerkin’senrolment,theRoyalCollegeofChemistrywasheadedbythenotedGermanchemistAugustWilhelmHofmann.Perkin’sscientificgiftssooncaughtHofmann’sattentionand,withintwoyears,hebecameHofmann’syoungestassistant.Notlongafterthat,Perkinmadethescientificbreakthroughthatwouldbringhimbothfameandfortune.Atthetime,quininewastheonlyviablemedicaltreatmentformalaria.Thedrugisderivedfromthebarkofthecinchonatree,nativetoSouthAmerica,andby1856demandforthedrugwassurpassingtheavailablesupply.Thus,whenHofmannmadesomepassingcommentsaboutthedesirabilityofasyntheticsubstituteforquinine,itwasunsurprisingthathisstarpupilwasmovedtotakeupthechallenge.Duringhisvacat(yī)ionin1856,Perkinspenthistimeinthelaboratoryonthetopfloorofhisfamily’shouse.Hewasattemptingtomanufacturequininefromaniline,aninexpensiveandreadilyavailablecoaltarwasteproduct.Despitehisbestefforts,however,hedidnotendupwithquinine.Instead,heproducedamysteriousdarksludge.Luckily,Perkin’sscientifictrainingandnaturepromptedhimtoinvestigatethesubstancefurther.Incorporatingpotassiumdichromat(yī)eandalcoholintotheanilineatvariousstagesoftheexperimentalprocess,hefinallyproducedadeeppurplesolution.And,providingthetruthofthefamousscientistLouisPasteur’swords‘chancefavoursonlythepreparedmind’,Perkinsawthepotentialofhisunexpectedfind.Historically,textiledyesweremadefromsuchnaturalsourcesasplantsandanimalexcretions.Someofthese,suchastheglandularmucusofsnails,weredifficulttoobtainandoutrageouslyexpensive.Indeed,thepurplecoulourextractedfromasnailwasoncesocostlythatinsocietyatthetimeonlytherichcouldaffordit.Further,naturaldyestendedtomemuddyinhueandfadequickly.ItwasagainstthisbackdropthatPerkin’sdiscoverywasmade.Perkinquicklygraspedthathispurplesolutioncouldbeusedtocolourfabric,thusmakingittheworld’sfirstsyntheticdye.Realizingtheimportanceofthisbreakthrough,helostnotimeinpat(yī)entingit.Butperhapsthemostfascinat(yī)ingofallPerkin’sreactionstohisfindwashisnearlyinstantrecognitionthatthenewdyehadcommercialpossibilities.PerkinoriginallynamedhisdyeTyrianPurple,butitlaterbecamecommonlyknownasmauve(fromtheFrenchfortheplantusedtomakethecolourviolet).HeaskedadviceofScottishdyeworksownerRobertPullar,whoassuredhimthatmanufacturingthedyewouldbewellworthitifthecoulourremainedfast(i.e.wouldnotfade)andthecostwasrelativelylow.So,overthefierceobjectionsofhismentorHofmann,heleftcollegetogivebirthtothemodernchemicalindustry.Withthehelpofhisfatherandbrother,PerkinsetupafactorynotfarfromLondon.UtilisingthecheapandplentifulcoaltarthatwasanalmostunlimitedbyproductofLondon’sgasstreetlighting,thedyeworksbeganproducingtheworld’sfirstsyntheticallydyedmaterialin1857.ThecompanyreceivedacommercialboostformtheEmpressEugenieofFrance,whenshedecidedthenewcolourflatteredher.Verysoon,mauvewasthenecessaryshadeforallthefashionableladiesinthatcountry.Nottobeoutdone,England’sQueenVictoriaalsoappearedinpublicwearingamauvegown,thusmakingitalltherageinEnglandaswell.Thedyewasboldandfast,andthepublicclamouredformore.Perkinwentbacktothedrawingboard.AlthoughPerkin’sfamewasachievedandfortuneassuredbyhisfirstdiscovery,thechemistcontinuedhisresearch.Amongotherdyeshedevelopedandintroducedwereanilinered(1859)andanilineblack(1863)and,inthelate1860s,Perkin’sgreen.Itisimportanttonotethat(yī)Perkin’ssyntheticdyediscoverieshadoutcomesfarbeyondthemerelydecorative.Thedyesalsobecamevitaltomedicalresearchinmanyways.Forinstance,theywereusedtostainpreviouslyinvisiblemicrobesandbacteria,allowingresearcherstoidentifysuchbacilliastuberculosis,cholera,andanthrax.Artificialdyescontinuetoplayacrucialroletoday.And,inwhatwouldhavebee(cuò)nparticularlypleasingtoPerkin,theircurrentuseisinthesearchforavaccineagainstmalaria.甲簡(jiǎn)樸單詞居然不解其中玄機(jī)。lat(yī)e,hislat(yī)egrandfather’shome.已故的。gift.Perkin’sscientificgiftssooncaughtHofmann’sat(yī)tention.天才bark.Thedrugisderivedfromthebarkofthecinchonat(yī)ree(cuò).樹(shù)皮。solution.hefinallyproducedadeeppurplesolution.溶液fast.thedyewouldbewellworthitifthecolourremainedfastandthecostwasrelativelylow.牢固的,緊緊的。乙其他生詞(逐個(gè)查閱的,太多了?。髖nthetic合成的,人造的,假的Synth,n.綜合者,【電】合成器。Syntheses.n.【化】合成,【語(yǔ)】綜合;綜合體,結(jié)合,【醫(yī)】接合。【邏輯】綜合法,語(yǔ)詞的合成,【物】合成,綜合;文獻(xiàn)。統(tǒng)一體。Syn,same大約有統(tǒng)一,同一類的意思;thesis,n.畢業(yè)論文,論題,論點(diǎn),命題之意。同一論題的結(jié)合,就有了合成,綜合之意。curiosityn.好奇心,稀奇的人事物。~shop古玩店?!鋜ive,好奇驅(qū)動(dòng)力Curiositykillthecat.stumbleupon.偶爾發(fā)現(xiàn)。Stumble:v.絆倒,犯錯(cuò)誤,蹣跚,無(wú)意中發(fā)現(xiàn)。N.絆倒,錯(cuò)誤。Stumbleblock絆腳石stumbleon偶爾碰到,恰巧找到Stumblealong東倒西歪地走。Stumbletoward跌跌撞撞地走向Tumble.v.暴跌,倒塌,跌倒,翻滾。弄亂,明白,忽然發(fā)現(xiàn)。Tumbling.n.摔跤,翻跟頭。Adj.斜的。Tumbler.n.不倒翁,雜技演員,平底無(wú)腳酒杯,鎖的制動(dòng)栓。Umbl.adj.?臍的,控制用的,n.地面線纜和管道。脫落插頭。Tum肚子,胃,adj英國(guó)方言空的,中空的。Tummy【口語(yǔ)】肚子,【非正式】胃Tumour.【英】腫瘤。Tu(píng)mor【美】腫瘤Benightumour.良性腫瘤Benigh:adj.溫和的,仁慈的,善良的,有助于健康的,【醫(yī)】良性的enthusiasm熱情,熱心,熱衷的事物。Enthuse.使熱心,充滿熱情地說(shuō)。immersev.浸沒(méi),施浸禮,沉迷……中,陷入。chemistry.n.化學(xué)。物質(zhì)的化學(xué)組成、性質(zhì)?;瘜W(xué)作用。神秘的變化過(guò)程。Che,可以看作change.Mistry,近似于mistery,神秘的。Mist,霧,模糊,神秘。Misty,有霧的,模糊的,朦朧不清的。promptadj.迅速的,靈敏的,立刻的v.激情,促進(jìn),推動(dòng),提醒,vi,提醒,提醒的內(nèi)容n.付款的期限9devotionn.虔誠(chéng),獻(xiàn)身,奉獻(xiàn),熱愛(ài),專心,熱心。Devote.vt.致力于,奉獻(xiàn)給,把……專用于。Vote.n.選舉權(quán),投票,選舉。10.perceive.v.注意到,覺(jué)察到,認(rèn)為,理解。11.eminent.著名的,卓越。DistinguishedprominentPron.能手,行家,正面,職業(yè)選手,贊成票,代替,脯氨酸。老手。Adj.專業(yè)的,贊成的,體育運(yùn)動(dòng)。Adv.正面地,贊成地。Prep贊成,為··的,按的;隨,視。Process,processing12.enrolmentn.登記或者注冊(cè),入學(xué),入伍,入會(huì)。13.breakthroug.突破,突破性進(jìn)展。14.quinine.奎寧,金雞納霜,治療瘧疾的藥??鼘帲诿佤斦Z(yǔ)中是“樹(shù)皮”的意思。15.viable.可行的,能生存的。16.treatment治療,對(duì)待,解決17cinchonan.金雞納樹(shù)(皮)18.surpassvt.超越,勝過(guò)19.passingcomment信口的評(píng)論。passingn.通過(guò),逝去adj,通過(guò)的,短暫的,及格的,adv.非常。20.desirability.n.稱心如意的人或物,有利條件。21.substitute.n.代替品,代用品,vt代替,用……代替,代之以。。sub潛艇,替代的。替代,轉(zhuǎn)包協(xié)議21takeupv.拿起,開(kāi)始,從事,吸取,接納,占去,繼續(xù)做,做某事消遣22vacationn.假期,度假,騰出。Vi,度假23anilinen苯胺,adj苯胺的,阿尼林油(音譯好記憶)24.tar.n.焦油,柏油?!究凇克郑瑅t涂以焦油25.sludge.n泥濘,淤泥,泥狀雪。沉淀物26.substance實(shí)質(zhì),物質(zhì),財(cái)產(chǎn),內(nèi)容,重要性27.potassium鉀K28dichromate.N.重鉻酸鉀。Chromate.鉻酸鉀。Di,重,雙,兩個(gè)??29.Excretionn.排泄物Excrete.v.排泄,分泌30glandularadj,腺(狀)的,起腺體功能的Gland腺31.mucus粘液,黏液32snail.蝸牛,慢吞吞的人物33outrageousadj.過(guò)度的,駭人的。Ragen.狂怒,肆虐,風(fēng)行。V。大怒,怒斥,劇烈進(jìn)行34tendtovt傾向,易于,導(dǎo)致,有助于。35.muddy,泥濘的,渾濁的,糊涂的,

溫馨提示

  • 1. 本站所有資源如無(wú)特殊說(shuō)明,都需要本地電腦安裝OFFICE2007和PDF閱讀器。圖紙軟件為CAD,CAXA,PROE,UG,SolidWorks等.壓縮文件請(qǐng)下載最新的WinRAR軟件解壓。
  • 2. 本站的文檔不包含任何第三方提供的附件圖紙等,如果需要附件,請(qǐng)聯(lián)系上傳者。文件的所有權(quán)益歸上傳用戶所有。
  • 3. 本站RAR壓縮包中若帶圖紙,網(wǎng)頁(yè)內(nèi)容里面會(huì)有圖紙預(yù)覽,若沒(méi)有圖紙預(yù)覽就沒(méi)有圖紙。
  • 4. 未經(jīng)權(quán)益所有人同意不得將文件中的內(nèi)容挪作商業(yè)或盈利用途。
  • 5. 人人文庫(kù)網(wǎng)僅提供信息存儲(chǔ)空間,僅對(duì)用戶上傳內(nèi)容的表現(xiàn)方式做保護(hù)處理,對(duì)用戶上傳分享的文檔內(nèi)容本身不做任何修改或編輯,并不能對(duì)任何下載內(nèi)容負(fù)責(zé)。
  • 6. 下載文件中如有侵權(quán)或不適當(dāng)內(nèi)容,請(qǐng)與我們聯(lián)系,我們立即糾正。
  • 7. 本站不保證下載資源的準(zhǔn)確性、安全性和完整性, 同時(shí)也不承擔(dān)用戶因使用這些下載資源對(duì)自己和他人造成任何形式的傷害或損失。

最新文檔

評(píng)論

0/150

提交評(píng)論