精选英语作文4篇
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英语作文篇1
TheEnglishchemistandphysicistMichaelFaraday,b.Sept.22,1791,d.Aug.25,1867,isknownforhispioneeringexperimentsinelectricityandmagnetism.Manyconsiderhimthegreatestexperimentalistwhoeverlived.
Severalconceptsthathederiveddirectlyfromexperiments,suchaslinesofmagneticforce,havebecomecommonideasinmodernphysics.
FaradaywasbornatNewington,Surrey,nearLondon.Hereceivedlittlemorethanaprimaryeducation,andattheageof14hewasapprenticedtoabookbinder.Therehebecameinterestedinthephysicalandchemicalworksofthetime.AfterhearingalecturebythefamouschemistHumphryDavy,hesentDavythenoteshehadmadeofhislectures.AsaresultFaradaywasappointed,attheageof21,assistanttoDavyinthelaboratoryoftheRoyalInstitutioninLondon.
Duringtheinitialyearsofhisscientificwork,Faradayoccupiedhimselfmainlywithchemicalproblems.Hediscoveredtwonewchloridesofcarbonandsucceededinliquefyingchlorineandothergases.Heisolatedbenzenein1825,theyearinwhichhewasappointeddirectorofthelaboratory.
Davy,whohadthegreatestinfluenceonFaradaysthinking,hadshownin1807thatthemetalssodiumandpotassiumcanbeprecipitatedfromtheircompoundsbyanelectriccurrent,aprocessknownaselectrolysis.
Faradaysvigorouspursuitoftheseexperimentsledin1834towhatbecameknownasFaradayslawsofelectrolysis.
英语作文篇2
Onthe14thofMarch,ataquartertothreeintheafternoon,thegreatestlivingthinkerceasedtothink.Hehadbeenleftaloneforscarcelytwominutes,andwhenwecamebackwefoundhiminhisarmchair,peacefullygonetosleep—butforever.AnimmeasurablelosshasbeensustainedbothbythemilitantproletariatofEuropeandAmerica,andbyhistoricalscience,inthedeathofthisman.Thegapthathasbeenleftbythedepartureofthismightyspiritwillsoonenoughmakeitselffelt.JustasDarwindiscoveredthelawofdevelopmentoforganicnature,soMarxdiscoveredthelawofdevelopmentofhumanhistory:thesimplefact,hithertoconcealedbyanovergrowthofideology。
thatmankindmustfirstofalleat,drink,haveshelterandclothing,beforeitcanpursuepolitics,science,art,religion,etc.;thatthereforetheproductionoftheimmediatematerialmeansofsubsistenceandconsequentlythedegreeofeconomicdevelopmentattainedbyagivenpeopleorduringagivenepochformthefoundationuponwhichthestateinstitutions,thelegalconceptions,art,andeventheideasonreligion,ofthepeopleconcernedhavebeenevolved,andinthelightofwhichtheymust,therefore,beexplained,insteadofviceversa,ashadhithertobeenthecase.Butthatisnotall.Marxalsodiscoveredthespeciallawofmotiongoverningthepresent-daycapitalistmodeofproduction
andthebourgeoissocietythatthismodeofproductionhascreated.Thediscoveryofsurplusvaluesuddenlythrewlightontheproblem,intryingtosolvewhichallpreviousinvestigations,ofbothbourgeoiseconomistsandsocialistcritics,hadbeengropinginthedark.Twosuchdiscoverieswouldbeenoughforonelifetime.Happythemantowhomitisgrantedtomakeevenonesuchdiscovery.ButineverysinglefieldwhichMarxinvestigated—andheinvestigatedverymanyfields,noneofthemsuperficially—ineveryfield,eveninthatofmathematics,hemadeindependentdiscoveries.
英语作文篇3
TheNewYorkCityVisitor'sBureausaysjazzmusiciansandotherentertainersfirstcalledNewYorktheBigApplefiftyyearsago.
AtthattimejazzmusiciansearnedmoneybyperforminginmanycitiesandtownsacrosstheUnitedStates.Theyusuallyplayedtheirmusicinadifferenttowneachnight.ButtheperformerswouldliketoplayinNewYorkCitybestofall.NewYorkwastheplacewiththebest-paidjobs,themostmoneytoearn,andagreaternumberofpeopleforjazzmusic.AperformerwasnotconsideredsuccessfuluntilhewassuccessfulinNewYork.TheearlyjazzmusiciansdesCRIbedeachtownandcityinAmericaasanappleonatree.NaturallytheycalledNewYorkCitytheBigApple.LateranightclubwasnamedTheBigApple,andapopulardancewasalsocalledTheBigApple.ButnooneexceptjazzmusiciansandsomeentertainersusedthistermtodesCRIbeNewYorkCity.
Aboutfifteenyearsago,thecityofficialswantedtogetmorepeopletovisitNewYork.Theyneededanewsymbolfortheircity.TheyrememberedthestoriesofthejazzmusiciansandbeganusingtheBigAppleintheiradvertisements.Theideaworked.
TodaysomanypersonsfromdifferentpartsoftheworldcomeandvisitNewYorkCityeveryday.TheymayprobablyknowNewYork'snickname,thoughtheymaynotknowwhythecityiscalledtheBigApple.
英语作文篇4
Ihaveagoodweekend。OnSaturdaymorning,Idomyhomework。Afterlunch,Igoshoppingwithmy
mother。Ataboutfiveo’clock,Igotoplaybasketballwithmyfriend。OnSunday,IwatchafootballgameonTV。Ioftenhelpmymotherdohousework。IwatchTVwithmyparentsintheevening。ThenIgotobedatnineo’clock。I’mveryhappyonweekends。
我有一个完美的周末。星期六早上,我做我的功课。午饭后,我和我的`母亲去购物。大约5点,我和我的朋友一齐玩篮球。星期天,我在电视上观看足球比赛。我经常帮忙妈妈做家务。晚上我与我的父母看电视。然后我在九点钟去睡觉。周末我很高兴。