最新新世纪研究生英语听说下PARTB听力原文.docx
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最新新世纪研究生英语听说下PARTB听力原文.docx
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最新新世纪研究生英语听说下PARTB听力原文
新世纪研究生英语听说学生用书(下)PARTB
LESSONONE
Passageone
PopulationandResources
Thepopulationoftheworldhasbeenincreasingfasterandfaster.In10,000B.C.,therewereprobably10millionpeople.InA.D.1,therewere300million.Ittook1750yearsforthepopulationtoreach625million,alittlemorethandoubletheA.D.1figure.In1990,therewere5.3billionpeople.Bytheyear2000,theworld'spopulationwasover6billion,andby2050,itisexpectedtoreach10billion.
Doestheearthhaveenoughnaturalresourcestosupportthismanypeople?
Differentscientistsgivedifferentanswerstothisquestion.Somesaythatthereareenoughresourcestosupportmorethan6billionpeople.However,therichestcountries,withasmallpercentageoftheworld'spopulation,usemostoftheresources.Iftheseresourcescouldbedistributedmoreequallyaroundtheworld,therewouldbeenoughforeveryone.
Otherscientistssaythatwemustlimitpopulationgrowthbecauseourresourcesarelimited.Only10percentoftheearth'slandcanbeusedforfarmingandanother20percentforraisinganimals.Itispossibletoincreasetheamountoffarmland,butonlyalittle.Somelandindevelopingcountriescouldbemoreproductiveifpeoplestartedusingmodernfarmingmethods,butthiswouldnotincreaseworldwideproductionbymuch.
Weallknowthatthereisalimitedamountofpetroleum.Therearealsolimitstotheamountsofmetals.Thereisalimittotheamountofwaterwecanusesincemostoftheearth'swaterissaltwater,andmostofthefreshwaterisfrozenattheNorthandSouthPoles.
Itisdifficulttosayhowmanypeopletheearthcansupport,butitwillhelpeveryoneifwecanlimitpopulationgrowthbeforeseriousshortagesdevelop.Theproblemishowtodoit.
PassageTwo
TheMiddleEast'sWaterResourceCrisis
Freshwater,lifeitself,hasnevercomeeasyintheMiddleEast.EversincetheOldTestamentwhenGodpunishedmanwith40daysand40nightsofrain,watersuppliesherehavebeendwindling.Therainfallonlycomesinwinteranddrainsquicklythroughthesemiaridland,leavingthesoiltobakeandtothirstfornextNovember.
Theregion'sacceleratingpopulationgrowth,expandingagriculture,industrialization,andhigherlivingstandardsdemandmorefreshwater.Droughtandpollutionlimititsavailability.Warandmismanagementsquanderit.NationslikeIsraelandJordanareswiftlyslidingintothatzonewheretheyareusingallthewaterresourcesavailabletothem.Theyhaveonly15to20yearsleftbeforetheiragriculture,andultimatelytheirfoodsecurity,isthreatened.
Evenamidthescarcitythereare"haves"and"have-nots".ComparedwiththeUnitedStates,whichhasafreshwaterpotentialof10,000cubicmetersayearforeachcitizen,Iraqhas5,500,Turkeyhas4,000,andSyriahaslittlemorethan2,800.Egypt'spotentialisonly1,100,Israelhas460,andJordanhaslessthan260.Butthesearenotfirmfigures,becauseupstreamuseofriverwatercandramaticallyalterthepotentialdownstream.
ScarcityisonlyoneelementoftheMiddleEast'swatercrisis.Inefficiencyisanother,asisthereluctanceofsomewater-poornationstochangeprioritiesfromagriculturetolesswater-intensiveenterprises.Someexpertssuggestthatifthesenationswouldsharebothwatertechnologyandresources,theycouldsatisfytheregion'spopulation,currently159million.Butinthispatchworkofethnicandreligiousrivalries,thewatercrisisisnotaclear-cutissue.Itisentangledinthepoliticsthatkeeppeoplefromtrustingandseekinghelpfromoneanother.Herewherewater,liketruth,isprecious,eachnationtendstofinditsownwaterandsupplyitsowntruth.
LESSONTWO
PassageI
PurseSnatching
Pursesnatchingisanincreasinglycommoncrime.Thereareestimated50to100pursesnatchingseachmonthintheNewYorkCitysubways,thenumberoftenswingingwidelybecauseofthedepredations(掠夺,破坏)ofasingleteenager.Whensuchaprofessionalisincustody(被监禁,被拘留着),thesnatchescandecreasebymorethan50amonth.Oneofthefavoredtechniquesistostandbetweentwosubwaycarsandasatrainstartspullingoutofthestation,reachoutandpullfreeawoman'spurse.
Recently,acrimeanalysisofficerfortheNewYorkPoliceDepartmentfoundthatpursestealinginManhattan'stoprestaurantswasup35percentoverthepreviousyear.Whenawomanputsherpurseonanemptychairatatableoratherfeetbesideherchair,sheisinvitingapursesnatchertotakeit.Pursesnatchersoftenworkinpairs.Whenatargetinarestaurantisseen,oneofthemwillcreatesomekindofdisturbancetogainthevictim'sattention.Whilethewomanislookingawayfromhertable,theactualsnatcherwillliftthepurse.Apopulartechniqueisforthethieftocarryanumbrellawiththecurvedhandledown.Theumbrellahandlesuddenlyhooksthebagandinaninstantitisonthethief’swrist,orunderthecoatoverhisarmifheisaman,andonitswayoutoftherestaurant.Policeadvisethatwomeninrestaurantskeeptheirpurseeitherontheirlapsoronthefloorbetweentheirlegs.
Otherpursesnatcherswhooperateintheatersarecalled"seattippers",victimizingwomenwhoputtheirpursesdownonaneighboringemptyseat.Othersspecializeinsnatchingpursesfromladies'rooms.Whenawomanisinatoiletstall,herpurseshouldneverbeplacedonthefloororhungonthecoathookonthedoor.Thievessimplydiveunderthedoorandgrabthepurseonthefloor,orstandonthetoiletinthenextstallandreachoverandtakethepurseoffthehook.Thesnatcherhasenoughtimetoescapesincethevictimcan'timmediatelypursuethethief.
PassageII
HowDoHandwritingExpertsCatchCriminals
OntheafternoonofJuly4,1995,Mrs.BeatriceWeinbergerbroughtherone-montholdbabybackfromanouting.Sheleftthepram(童车;婴儿车(亦作:
perambulator))outsideherhouseandhurriedinsidetogetthebabyacleannappy.Whenshereturnedafewmomentslater,thepramwasemptyandascrawled(乱涂,潦草地写)notewaslyingwhereherbabyhadbeen.
Thenotesaid:
"Attention.Ibadlyneedmoney,andcan'tgetitanyotherway.Don'ttellthepoliceaboutthis,otherwiseIwillkillthebaby."
"Justput$2,000insmallbillsinabrownenvelope,andplaceitnexttotheroadlampatthecornerofAlbemarleRd.atexactly10o'clocktomorrow(Thursday)morning."
"Ifeverythinggoessmooth,Iwillbringthebabybackandleavehimonthesamecorner'safeandhappy'atexactly12noon.Noexcuse,Icannotwait!
Yourbaby-sitter."Despitethekidnapper'swarning,Mrs.Weinbergercontactedthepolice.
Asmallparcelcontainingbrokenpiecesofnewspaperwasplacedonthecornerthefollowingmorning.Butthekidnapperdidnotshowup.Hefailedtokeeptwoother"appointments"withtheWeinbergers,andleftasecondnotesigned"Yourbaby-sitter".Bythen,thepolicefeltthatthebabywasnolongeralive.
TheFBIwascalledin,andthehandwritingexpertssettoworktotrytotrackdownthekidnapper.Inbothnotesanunusualz-shapedstrokewasplacedatthefrontoftheyinwordssuchas"money"and"baby".
StartingwiththeNewYorkStatePoliceOffice,theexpertsspentthenextsixweekscarefullygoingoverlocalrecordsatpoliceoffices,factories,hotels,clubsandschoolsandexamininghandwritingsamplesandcomparingthemwiththewritingonthekidnapper'snotes.
Then,inthemiddleofAugust,theexperts'hardeffortspaidoff.ThehandwritingofJohnRushBlakematchedthatofthekidnapper's,especiallyinthepeculiarformationoftheys.(Whileachievingsuccessiseasiersaidthandone,persistencedoesinfactpayoff.
获得成功说起来比做起来容易,然而坚持不懈确实会有好结果。
)
Notlongafter,JohnBlakewasarrestedformakingillegalalcohol.Onbeingshownthehandwritingsamples,heconfessedtokidnappingthebaby.Hetoldthepolicethathehadleftthebabyaliveandwellinanearbyparkonthedayafterthekidnapping.Butwhenofficershurriedtotheplace,alltheyfoundwasthebaby'sdeadbody.ThecriminalwaslaterputintoNewYork'sSingSingPrison.
EvenifJohnBlakehadtriedtodisguisehishandwritinghewouldstillhavebeencaught.
Nomatterhowhardsomeonemaytrytodisguisehishandwritingcharacteristics,the"individuality"ofthewritershowsthrough,theveryangleatwhichheorsheholdsapen,thewayatiscrossedandan/isdotted,theheightandsizeofcapitalandsmallletters,theamountofspacebetweenwords,theuse(ormisuse)ofpunctuationmarks.Allthesecanidentifyapersonassurelyasfingerprints.
LESSONTHREE
PassageOne
TheApplicationofComputersInEducation
Thebestmethodforimprovingeducationalstandardsistoutilizeeverytoolavailableincludingstate-of-the-art达到最新技术发展水平的technology.ComputersandtheInternethaveexpandedthewayinwhichinformationcanbedeliveredtothestudentsoftoday.Today'snetworkingtechnologiesprovideavaluableopportunitytopracticenewlearningtechniques.Educatorsarediscoveringthatcomputersarefacilitatinglearning.Computer-basedcommunications,ortelecommunicationscanoffermanyeducationalopportunities;therefore,educatorswillneedtoadaptcurrentteachingmethodstoincorporatethisnewmediaintotheclassroom.
Computershavemadeafundamentalimpactonmostindustries,providingacompetitiveadvantagethathascometobeessentialtomanybusinesses.Therefore,schoolsmustalsousetechnologytoimprovetheeducationalprocess.Schoolsystemsoftenconsiderpurchasingacomputenetwork,andjustifyitspurchasebyapplyingittoroutineadministrativetasks,suchaattendancerecordsandgrading.Whilethesetasksareveryimportant,theyonlyshowasmallpartofwhatt
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