2021年沖擊波專四聽寫100篇

Passage1ProfessorBumble

ProfessorBumbleisnotonlyabsent-mindedbutshort-sightedaswell./Hismindisalwaysbusywithlearnedthoughtsandheseldomnoticeswhatisgoingonaroundhim./

Onafinedayrecentlyhewentforawalkinthecountryside./Butasalwayshereadthebookashewalked./Hehadn'tgonefarwhenheranintoalargecowandfelldown./Hehadlosthisspectaclesinthefall，andhethoughthehadstumbledoverafatlady./"Ibegyourpardon，madam,"hesaidpolitelybeforesearchingforhisglasses./Assoonashehadputtheglasseson，herealizedhismistake./

Soonhewasconcentratingonhisbookagainandpayingnoattentiontoanythingelse./Hehadscarcelybeenwalkingforfiveminuteswhenhefelloveragain,/losingbothhisbookandhisglasses./Thistimehebecameveryangry./Seizinghisumbrellas，hestruckthe"cow"inanger./Then，afterfindinghisglasses，herealizedwithhorrorthathehadmadeasecondmistake./Alargefatwomanwasrunningawayfromhiminterror./

Passage2Teamwork

Teamworkisjustasimportantinscience/asitisontheplayingfieldorinthegym./Scientificinvestigationsarealmostalwayscarriedoutbyteamsofpeopleworkingtogether./Ideasareshared，experimentsaredesigned，dataareanalyzed，/andresultsareevaluatedandsharedwithotherinvestigators./Groupworkisnecessaryandisusuallymoreproductivethanworkingalone./

Severaltimesthroughouttheyearyoumaybeaskedtoworkwithoneormoreofyourclassmates./Whateverthetaskyourgroupisassigned，/afewrulesneedtobefollowedtoensureaproductiveandsuccessfulexperience/

Whatcomesfirstistokeepanopenmind/becauseeveryone'sideasdeserveconsideration/andeachgroupmembercanmakehisorherowncontribution./Secondly，itmakesajobeasiertodividethegrouptaskamongallgroupmembers./Thirdly，alwaysworktogether，taketurns，andencourageeachotherbylistening，clarifyingandtrustingoneanother./Mutualsupportandtrustoftenmakeagreatdifference./

Passage3MistakesAreGoodTeachers

Afterthebirthofmysecondchild，Igotajobatarestaurant.Havingworkedwithanexperiencedwaitressforafewdays，Iwasallowedtowaittablesonmyown.WhenSaturdaynightcame，Iwasluckilygiventhetablesnotfarfromthekitchen.However，Istillfeltalittlehardtocarrytheheavytrays.SoImovedslowly，mindingeverystep.IrememberhowhappyIwaswhenIsawthetraystandingnextthetables.ItlookeddifferentfromtheoneIwastrainedon.Ithadnicehandleswhichmadeiteasiertomovearound.IwaspleasedwitheverythingandbegantobelieveIwasanaturalatthisjob.Then，anoldmancametomeandsaidthatwashiswife’swalker.Istoodfrozenasice，butmyfacewasonfire.Sincethen，Ihavelearnedtobemorecarefulandnottobetoosureofmyself.

Passage4TimeHasthePowertoChangeAttitude

Lastweek，myyoungestsonandIvisitedmyfatherathisnewhome.

Myearliestmemoriesofmyfatherareofatall，handsome，successfulmandevotedtohisworkandfamilybutuncomfortablewithhischildren.AsachildIlovedhim；asaschoolgirlandyoungadult，Ifearedhimandfeltbitterabouthim.

Onthefirstdayofmyvisit，wedidsomeshopping，ateonthestreettable，andlaughedovermyson’sfunnyfacialexpressions.Gonewasmyfather’scriticalairandstrictrules.WhowasthispersonIknewasmyfather，whoseemedsofriendlyandinterestingtobearound?

Thenextday，mydadpulledouthischildhoodpicturesandtoldmequiteafewstoriesabouthisownchildhood.Althoughourtimestogetherbecameeasierovertheyears，Ineverfeltclosettohimatthatmoment.Aftersomanyyears，I’matlastseeinganothersideofmyfather.

Passage5ExperiencesSpeak

Therearemanydifferentwaysofseeingatownforthefirsttime.Oneofthemistowalkaroundit，guidebookinhand.Ofcourse，wemaystudywithourguidebooksthehistoryandspecialdevelopmentsofatownandgettoknowthem.Butthen，ifwetakeouttimeandstayinatownforawhile，wemaygettoknowitbetter.Whenwelookitasawhole，webegintohavesomequestions，whicheventhebestguidebooksdonotanswer.Whyisthetownjustlikethis，thisshape，thisplan，thissize?

Hereeventhebestguide-bookfailsus.Wecan’tfindinittheinformationabouthowatownhasdevelopedtothepresentappearance.However，wemaygetsomeideaofwhatitusedtolooklikebywalkingaroundthetown.Apersonalvisittoatownmayhelponebetterunderstandwhyitisattractivethanjustreadingaboutitinaguidebook.

Passage6RepresentativesofCivilization：Pottery

Ancientpeoplemadeclaypotterybecausetheyneededitfortheirsurvival.Theyusedthepotstheymadeforcooking，storingfood，andcarryingthingsfromplacetoplace.Potterywassoimportanttoearlyculturesthatscientistsnowstudyittolearnmoreaboutancientcivilizations.Themoreadvancedthepotteryintermsofdecoration，materials，glazesandmanufacture，themoreadvancedthecultureitself.TheartisanwhomakespotteryinNorthAmericatodayutilizeshisorherskillandimaginationtocreateitemsthatarebeautifulaswellasal，transformingsomethingordinaryintosomethingspecialandunique.ThepotterusesoneoftheEarth'smostbasicmaterials，clay.Claycanbefoundalmostanywhere.Goodpotteryclaymustbefreefromallsmallstonesandotherhardmaterialsthatwouldmakethepottingprocessdifficult.Themostimportanttoolspottersusearetheirownhands；however，theyalsousewirelooptools，woodenmodelingtools，plainwire，andsponges.

Passage7WordsCanMakeaDifference

OnAugust26，1999，NewYorkCitywasstruckbyaterriblerainstormduringthemorningrushhourthatcausedthestreetstoflood.

Manypeoplewhoweregoingtoworkwereforcedtogohome.Somebattledtocallataxi，getabusorwalkmilestogettowork.Isoondiscoveredmostofthesubwaylineshadstoppedservice.Ifinallyfoundanoperatingline，butthereweresomanypeoplethatIcouldn’tinitiallygettotheplatform.Finally，Igottomyoffice，wetthrough，andexhausted.

Afteranunenjoyablyday，Garth，myDirector，sentane-mailtoeveryone:

“Thankstoeveryonewhoreportedtowork.Itisalwaysreassuringwhenemployeesshowtheirdevotiontotheirjobs.Thankyou.”

Garth’semailwasshort，butwelcomed.Itmademerealizethatevenwhentimesaretough，afewwordscanmakeabigdifference.

Passage8FairyTales

TalesofthesupernaturalarecommoninallpartsofBritain.Inparticular，therewasabeliefinfairies.Notallofthesefairiesarethefriendly，people-lovingspritesthatappearinDisneyfilms，andinsomefolktalestheyarecruelandcausemuchhumansuffering.ThisistrueinthetalesabouttheChangeling.Thesetellthestoryofamotherwhosebabygrowssickandpaleandhaschangedsomuchthatitisalmostunrecognizabletotheparents.ItwasthenfearedthatthefairieshadcomeandstolenthebabyawayandreplacedthehumanbabywithafairyChangeling.Inthosecasestherewasoftenawaytogettherealbabyback.YoucouldplacetheChangelingonthefire--thenitwouldriseupthechimney，andyouwouldhearthesoundoffairies’laughterandsoonafteryouwouldfindyourownchildsafeandsoundnearby.

Passage9Self-Image

Self-imageisyourownmind’spictureofyourself.Thisimageincludesthewayyoulook，thewayyouact，thewayyoutalkandthewayyouthink.Interestingly，ourself-imagesareoftenquitedifferentfromtheimagesothersholdaboutus.Unfortunately，mostoftheseimagesaremorenegativethantheyshouldbe.Thuschangingthewayyouthinkaboutyourselfisthekeytochangingyourself-imageandyourwholeworld.

Itmightbethatyouareexperiencinganegativeself-imagebecauseyoucan’tmovepastoneflaworweaknessthatyouseeaboutyourself.Well，rollupyoursleevesandmakeachangeofitasyourprimarytask.Thebestwaytogetridofanegativeserf-imageistorealizethatyourimageisfarfromobjective，andtoactivelyconvinceyourselfofyourpositivequalities.Changingthewayyouthinkandworkingonthose，youwillgoalongwaytowardspromotingapositiveself-image.

Passage10Shopaholics

Thewordaddictionusuallymakesyouthinkofalcoholordrugs，butinmodern-daysocietyweareseeingsomenewkindsofaddictions.Somepeoplearecompulsiveshoppers.Othersfinditimpossibletopullthemselvesawayfromtheirwork.StillothersspendcountlesshourswatchingTVorplayingcomputergames.

Overtheyears，shoppinghasbecomeaverycommonactivity.Manypeopleenjoygoingtomallsorstoresmoreandmoreeveryday，butit’smorethanacommonhobbyforsomeofthem.Theyhaveturnedintoshopaholics.Theyarepeoplewhosimplyenjoyshoppingandwalkingaroundspendingmoneywithoutbeingabletostopdoingit.Theyarehookedonshoppingandusuallybuythingsthattheydon’tneed.Eventhoughtheydon’thaveenoughmoney，theybuyeverythingtheywant.

Whydotheyhavethisaddiction?Thereisn’taspecificanswer.Somepeoplegoshoppingwhentheyaresad，worried，upsetorlonely.Someeventendtohavethisaddictionwhentheyfeelguilty.

Passage11TimeManagement

Timeissomethingfromwhichwecan’tescape.Evenifweignoreit，it’sstillgoingby，tickingaway，secondbysecond，minutebyminute，hourbyhour.Sothemainissueinusingyourtimewellis，“Who’sincharge?”Wecanallowtimetoslipbyandletitbeourenemy.Orwecantakecontrolofitandmakeitourally.

Bytakingcontrolofhowyouspendyourtime，you’llincreaseyourchancesofbecomingamoresuccessfulstudent.Perhapsmoreimportantly，thebetteryouareatmanagingthetimeyoudevotetoyourstudies，themoretimeyouwillhavetospendonyouroutsideinterests.

Theaimoftimemanagementisnottoscheduleeverymomentsowebecomeslavesofatimetablethatgovernseverywakingmomentoftheday.Instead，theaimistomakeinformedchoicesastohowweuseourtime.

Passage12CharityShops

ThecharityshopisaBritishinstitution，sellingeverythingfromclothestoelectricgoods，allatverygoodprices.Youcangetthingsyouwon'tfindintheshopsanymore.ThethingIlikebestaboutthemisthatyourmoneyisgoingtoagoodcauseandnotintothepocketsofprofit-drivencompanies，andyouarenotdamagingtheplanet，butfindinganewhomeforunwantedgoods.

Mostofthepeopleworkinginthecharityshopsarevolunteers，althoughthereisoftenamanagerwhogetspaid.Over90%ofthegoodsinthecharityshopsaredonatedbythepublic.

Theshopshaveverylowrunningcosts：allprofitsgotocharitywork.Charityshopsraisemorethan￡110millionayear，fundingmedicalresearch，overseasaid，supportingsickandpoorchildren，homelessanddisabledpeople，andmuchmore.

Passage13PassiveLearning

Wecanachieveknowledgeeitheractivelyorpassively.Weachieveitactivelybydirectexperience，bytestingandprovinganidea，orbyreasoning.Weachieveknowledgepassivelybybeingtoldbysomeoneelse.MostofthelearningthattakesplaceintheclassroomandthekindthathappenswhenwewatchTVorreadnewspapersormagazinesispassive.Conditionedaswearetopassivelearning，it'snotsurprisingthatwedependonitinoureverydaycommunicationwithfriendsandco-workers.

Unfortunately，passivelearninghasaseriousproblem.Itmakesustendtoacceptwhatwearetoldevenwhenitislittlemorethanhearsayandrumor.

That'swhathappensindailylife.Thesimplefactthatpeoplerepeatastoryintheirownwordschangesthestory.Then，too，mostpeoplelistenimperfectly.Andmanyenjoyaddingtheirowncreativetouchtoastory，tryingtoimproveonit，stampingitwiththeirownpersonalstyle.Yetthosewhohearitthinktheyknow.

Passage14Different“Styles”ofDirections

Itravelalot，andIfindoutdifferent“styles”ofdirectionseverytimeIask”HowcanIgettothepostoffice?”

InJapan，peopleuselandmarksintheirdirectionsinsteadofstreetnames.Forexample，theJapanesewillsaytotravelers，“Gostraightdowntothecorner.Turnleftatthebighotelandgopastafruitmarket.Thepostofficeisacrossfromthebusstop.”

InthecountrysideoftheAmericanMidwest，insteadoflandmarks，peoplewilltellyoudirectionsanddistances.Forexample，peoplewillsay，“Gonorthtwomiles.Turneast，andthengoanothermile.”

PeopleinLosAngeles，California，havenoideaofdistanceonthemap；theymeasuredistanceintime，notmiles.“Howfarawayisthepostoffice?”youask.“Oh,”theyanswer，“it’saboutfiveminutesfromhere.”Yousay，“Yes，buthowmanymilesawayisit?”Theydon’tknow.

Passage15RainForests

Rainforestsarethelungsoftheplanet–storingvastquantitiesofcarbondioxideandproducingasignificantamountoftheworld’soxygen.Rainforestshavetheirownperfectsystemforensuringtheirownsurvival；thetalltreesmakeacanopyofbranchesandleaveswhichprotectthemselves，smallerplants，andtheforestanimalsfromheavyrain，intensedryheatfromthesunandstrongwinds.

Amazingly，thetreesgrowinsuchawaythattheirleavesandbranches，althoughclosetogether，neveractuallytouchthoseofanothertree.Scientiststhinkthisisadeliberatetactictopreventthespreadofanytreediseasesandmakelifemoredifficultforleaf-eatinginsects.

Theyarenotcalledrainforestsfornothing！Rainforestscangenerate75%oftheirownrain.Atleast80inchesofrainayearisnormal–andinsomeareastheremaybeasmuchas430inchesofrainannually.Thisisrealrain.Injusttwohours，streamscanrisetentotwentyfeet.

Passage16JuanaLopez’sInvention

Oneday，JuanaLopezhadanideaforadishwashingmachinethatworkedwithoutusingwater.Shewenttoseeseveraldishwashermanufacturersaboutproducingthemachine，butnoneofthemwereinterested.Joannafoundinvestorstosupportherideaandfoundedherownproductioncompany.Shespentmillionsofdollarsondevelopingherdishwasher，anditwaslunchedthreeyearslater.Fromthenon，saleswereverygood，bettereventhanJoannahadhopped.ButGlobalDomestic，oneofthecompaniesthatshehasbeento，madeitsownwaterlessdishwasher.Joannaobtainedoneandfoundtheyusethetechnicalideasshehaddeveloped.Shehadobtainedlegalprotectionfortheseideassothatothercompaniescouldnotusethem.Afteralonglegalprocess，globdomesticwasforcedtostopmakingitscompetingdishwasherandtopayJoannaseveralmilliondollars.NowJoanna’swaterlessdishwasherhas40℅oftheworldwidedishwashermarket，andthisisincreasingeveryyear.

Passage17RisingSeaLevel

Latestresearchpredictsthattheglobalsealevelisexpectedtorise9to88centimetersby2100，witha“bestestimate”of50centimeters.Thisisduetoglobalwarmingwhichiscausingtheicecapstomelt.

Thisgreatriseofclosetoonemeterwouldthreatenhugeareasoflow-lyingcoastallandaswellasmajorcitiessuchasLondon，NewYorkandTokyo.

Inmanyplaces，50centimeterswouldseeentirebeachesbeingwashedaway.Onlow-lyingpacificislands，thehighestpointisonlytwoorthreemetersabovethecurrentsealevel.Ifthesealevelwastoriseby50centimeters，bigpartsoftheseislandswoulddisappearunderthewater.Eveniftheyremainabovethesea，manyislandnationswillhavetheirsuppliesofdrinkingwaterreducedbecauseseawaterwillpollutetheirfreshwater.

Therearealsotensofmillionsofpeoplelivinginlow-levelcoastalareasofsouthernAsia，suchasthecoastlineofPakistanandIndia，whowouldbeindanger.

Passage18WhatIsaFather?

Afatherisapersonwhoisforcedtoendurechildbirthwithoutananesthetic.Hegrowlswhenhefeelsgoodandlaughsveryloudwhenheisscaredhalf-to-death.

Afatherneverfeelsentirelyworthyoftheworshipinachild'seyes.Heisneverquitetheherohisdaughterthinks.Neverquitethemanhissonbelieveshimtobe.Andthisworrieshimsometimes.

Afatherisapersonwhogoestowarsometimesandwouldruntheotherwayexceptthatwarispartofanimportantjobinhislife，whichismakingtheworldbetterforhischildrenthanithasbeenforhim.

Idon’tknowtherefathergoeswhenhedies，butI’veanideathat，afteragoodrest，whereitishewon'tjustsitonacloudandwaitforthegirlhe'slovedandthechildrenshebore.He'llbebusytheretoorepairingthestars，oilingthegates，improvingthestreets，smoothingtheway.

Passage19LittleBoy’sBigIdea

TheIntellectualPropertyOwnerAssociation(IPO)isrunningaprojecttoencourageyounginventors.SamuelHoughton，afive-year-oldboyhasbecometheyoungestBritontoholdapatentafterwatchinghisfatherstrugglinginthegarden.SamueldevelopedagardentoolafterwatchinghisfatherMarkusetwobrushestosweepupleavesoutsidetheirhouse.Hisfatherusedalargebrushtogatherleavesandsmallbranches，andthengotasmallbrushtopickupwhatwasleft.Samuelcameupwiththeideaforalabor-savingtool，whichhasbeenpatentedandnamedtheImprovedBroom.

Itisasimpleideathatcombinestwoordinarybroomswithdifferent-sizedbristlesandbrush-headstoenabledifferent-sizeddirttobesweptupmoreefficiently.“Thesmallonegetsthefirstbitsandtheoneatthebackgetsthoseleftbehind，Samuelexplains.

TheIPOsaysthatSamuelisitsyoungestknownpatentholder.

Passage20CulturalDifferences

Meetingpeoplefromanotherculturecanbedifficult.Differentculturesemphasizetheimportanceofrelationshipbuildingtoagreaterorlesserdegree.Forexample，businessinsomecountriesisnotpossibleuntilthereisarelationshipoftrust.Evenwithpeopleatwork，itisnecessarytospendalotoftimein"smalltalk"，usuallyoveraglassoftea，beforetheydoanyjob.

InmanyEuropeancountries—liketheUKorFrance—peoplefinditeasiertobuildupalastingworkingrelationshipatrestaurantsorcafesratherthanattheoffice.

EvenwithinNorthernEurope，culturaldifferencescancauseseriousproblems.Certainly，EnglishandGermanculturessharesimilarvalue；however，Germansprefertogetdowntobusinessmorequickly.Wethinkthattheyarerude.Infact，thisisjustbecauseoneculturestartsdiscussionsandmakesdecisionmorequickly.

Passage21Stress

Stressiswhatyoufeelwhenyoureacttopressure，eitherfromtheoutsideworldorfrominsideyourself.Stressisanormalreactionforpeopleofallages.

Mostpeoplethinkthatpressureisalwaysabadthing.Infact，alittlebitofstressisgood.Withoutstress，mostofuscouldn’tpushourselvestodowell，especiallyindifficultthings.

Peopleusuallycomplainaboutfeelingpressedfortimewhentheyareundercertainpressure.Itistruethatyoucan’talwayscontrolthethingsthatarestressingyouout，butyoucancontrolhowyoureacttothem.Thewayyoufeelaboutthingsresultsfromthewayyouthinkaboutthings.Ifyouchangehowyouthink，youcanchangethewayyoufeel.Trythefollowingtipstodealwithyourstress:

Makealistofthethingsthatarecausingyourstress.

Giveyourselfanexcuse.

Don'tpromisetodothingsyoucan'tdoordon'twanttodo.

Findsomeonetotalkto.

Passage22Loveisatelephone

Loveisatelephonewhichisalwayssilentwhenyouarehopingforacall，butringswhenyouarenotreadyforit.Asaresult，weoftenmissthelovecomingfromtheotherend.

Loveisatelephonewhichisseldomprogram-controlledordirectlydialed.Youcannotgetanimmediateanswerwithasimple“hello”，letalonegodeepintoyourlover’sheartwithonecall.Usuallyithastoberelayedbyanoperator，andyouhavetowaitpatiently.

Loveisatelephonethatisalwaysbusy.Whenyouarereadytodialforlove，youonlyfind，toyourdisappointment，thelineisalreadybeingusedbysomeoneelse.

Loveisatelephone，butitisdifficulttoknowwhentodial.Youwillmisstheopportunityifyourcalliseithertooearlyortoolate.

Passage23Jealousy

Theexperienceofjealousyvariesenormouslyfromagetoage，fromculturetoculture，fromcoupletocouple，frompersontoperson，andcanbedifferentwithinthesamepersonfromtimetotime.IntheUnitedStates，therehasbeenachangeofattitudetowardjealousyinrecentyears.“Normal”jealousy，whichhasbeenseenasaninevitableaccompanimentofloveandsupportofmarriage，hascometobeseenbysomeasevidenceofpersonalinsecurityandweaknessintherelationship，andthereforeathreattothepartnership.

Mostjealousflashescomefromfeelingleftoutofanactivityinvolvingyourpartnerandanotherpersonorotherpeople.Whenyourpartnerpaysattentiontoanother，yourfirstreactionistonotethattheyare“in”andyouare“out”.Youfeelexcluded，ignored，unappreciated.

Thiskindofexperienceisnotuncommon，anddealingwithitgracefullyispartoftheetiquetteofourtime.

Passage24DifferencesBetweenTelevisionandRadioAnnouncers

Whentelevisionfirstbegantoexpand，veryfewofpeoplewhohadbecomefamousasradioannouncerswereabletobeequallyeffectiveontelevision.Someofthedifficultiestheyexperiencedwhentheyweretryingtoadaptthemselvestothenewmediumweretechnical.Whenworkingonradio，forexample，theyhadbecomeaccustomedtoseeingonbehalfofthelistener.Thisartofseeingforothersmeansthatthecommentatorhastobeverygoodattalking.

Inthecaseoftelevision，however，theannouncerseeseverythingwiththeviewer.Hisrole，therefore，iscompletelydifferent.Heistheretomakesurethattheviewerdoesnotmisssomepointofinterest，tohelphimfocusonparticularthings，andtohelphimunderstandtheimagesonthetelevisionscreen.Unlikehisradiocolleague，hemustknowthevalueofsilenceandhowtouseit，atthosemomentswhenthepicturesspeakforthemselves.

Passage25TheAfricanElephant

TheAfricanelephant，thelargestlandanimalremainingonearth，isofgreatimportancetoAfricanecosystem.Asabigplant-eater，itlargelyshapestheforest-and-savannasurroundingsinwhichitlives，settingthetermsofexistenceformillionsofotheranimalsthatliveinitshabitat.

Itistheelephant'sgreatdesireforfoodthatmakesitadisturberoftheenvironmentandanimportantbuilderofitshabitat.Initscontinuoussearchforthe300poundsofplantsitmusthaveeveryday，itkillssmalltreesandunderbushes，andpullsbranchesoffbigtrees.ThisresultsinnumerousopenspacesinbothdeeptropicalforestsandinthewoodlandsthatcoverpartoftheAfricansavannas.

WhatworriesscientistsnowisthattheAfricanelephanthasbecomeanendangeredspecies.Iftheelephantdisappears，scientistssay，manyotheranimalswillalsodisappearfromvastareasofforestandsavanna，greatlychangingandworseningthewholeecosystem.

Passage26OperationsontheBrain

Itisdifficultfordoctorstohelpapersonwithadamagedbrain.Withoutenoughblood，thebrainlivesforonlythreetofiveminutes.

Dr.Whitethinksdoctorsshouldtrytomakethebrainverycold.Ifitisverycold，thebraincanlivewithoutbloodfor30minutes.Thisgivesthedoctorsalongertimetodosomethingforthebrain.

Dr.Whitetriedhisideaon13monkeys.Firsthetaughtthemtododifferentjobs.Thenheoperatedonthem.Hemadethemonkeys'bloodgothroughamachinewhichcooledtheblood，andthensentthebloodbacktothemonkeys'brains.Whenthebraintemperaturewas50degrees，Dr.Whitestoppedthebloodtothebrain.After30minutesheturnedthebloodbackon.Hewarmedthebloodagain.Aftertheiroperationsthemonkeyswereliketheywerebefore.Theywerehealthyandbusy.Eachonecouldstilldothejobsthedoctorhadtaughtthem.

Passage27Depression

Thedictionarydescribesdepressionasthestateoffeelingverysad，anxiousandhopeless.Thequestionhereiswhyonegetsdepressed.Isittheinabilitytodealwiththesituationorthehighstresslevelsthatcomewithsuccessorfailure?

Lifeisfulloftwistsandturns.Somearepleasantandsomearenotsopleasant，andsometimeseventerrible.Noonehasalackofproblemsinhisorherlife.Everyonehasapersonalsetofproblems.

Eventhepeoplewhoconstantlyhaveasmileontheirfaceshaveproblems.Theonlydifferenceisthattheyknowhowtodealwiththeproblemsandsmileaboutthefactthattheycanovercomethem.

Seasonalchangesarethemainreasonfordepressioninnature.Changeisunavoidable.Itmayhappeninnatureorinlife，butthewaythechangemakesusfeelissubjective1.Theydifferfrompersontoperson，alongwiththewayswedealwiththem.

Feelingdepressionisanormalphenomenon2，butlettingitovertake3uscompletelyisnotthebestthing.Therearenospecificrulesorconceptstodealwithit.Whateverwayapersonfeelsisthebestwaytodealwithitshouldbeadopted，butbesureitwillnothurtanotherperson.

Passage28WhiteNoise

Therearedifferentkindsofnoisewithdistinctfrequenciesthatareclassifiedbycolor，namely：whitenoise，pinknoise，brownnoise，bluenoise，andgraynoise.Belowisanoverviewofwhitenoise.

Generallyspeaking，whitenoiseisapartofthefullscaleofsoundfrequenciesahumanearcanrecognize.Whitenoiseisamixtureofsoundfrequenciesinequallevels.Itisaveryquietsoundthatisrelaxingandpleasanttotheearsofanyone.Anumberofpeoplesaythatitissimilartothesoundoftherainortheoceanwaves.

Whitenoiseofferscountlessbenefits.Thenoisecomesindifferentformsthatservedifferentpurposes.Somewhitenoiseworksbetterthanothersforparticularuses.Somepeoplemayfindsomewhitenoisesoundsmorepleasingthanothers.Moreover，whitenoiseissaidtohaveamorecalmingeffectthanmusicdoes.

Passage29CellPhone

Nowadays，withtherapiddevelopmentofITandinformationindustry,/cellphonesplayadominantroleinpeople’slife./Ontheonehand，themobilephoneisportableandconvenient./Beingwireless，youcancarrythemeverywherewithgreatease./Youcanreachapersonwhereverandhoweverfarawayheis./Ontheotherhand，itisafriendindeed./Wheneveryoucomeacrosstrouble，youcancallforhelpimmediately./

However，justaseverycoinhastwosides,/thecellphonealsohasitsmanydisadvantages./Somepeoplecomplainthatmobilephonesgiveunpleasantnoiseonsomeimportantoccasions/whentheownerforgetstoturnthemoff./Anditalsocutsintopeople’ssparetime,/becausewiththemobilephonethebosscaneasilyreachthemandcallthemtodutyduringtheirsparetime./Worstofal