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PartB Directions: "PursuitforMoreComfortandLuxury" A.Studythefollowingpicturecarefullyandwriteanessayin160--200words. B.YouressaymustbewrittenclearlyonANSWERSHEET2.20points C.Youressayshouldmeettherequirementsbelow: 1Describethechangesasshowninthetable 2Analyzepossiblereasonsforthechange 3Makepredictionsonthefuturetendency StatisticsinPeople’sDailyexpensesinShanghai
Text1 Americansarenowflyingthecrowdedcrankyskies.FlightdelaysinJanuaryweretheworstforthatmonthsince1999.Weatherisalwaystheprimarycauseofdelays.AddtothattheUSAirwaysChristmasbaggagemeltdownandComair’scomputerfailurethecombinationofwhichlefthundredsofthousandsoffliersstrandedatairports. Butairlineemployeesseeadeeperreasonforboththeincreaseindelaysandpassengercomplaints:ademoralizedandfrustratedworkforcethat’sbeingaskedtodomoreevenasit’sgettingpaidless. Theairlinesandunionsarequicktopraisetheirworkersforrisingtothechallengeduringtheseverydifficulttimesaswellasforcarryingthebruntofthecostcutting.Butuneaseisgrowingwithintheranks.Andpassengershavenoticed.Forinstancesomeoftheso-calledoldercarriersnowrequiregateagentstocleantheplanesaswellascheckpeoplein.Sosomepassengershavefoundthemselveswithoutacustomer-serviceagenttotalktountiljustbeforetheplaneleaves.Pilotsfindthemselvesstuckatthegatebecausetheircrewof.flightattendantshasalreadyworkedaslongastheFAAwouldallowthemto."They’vecutemployeestosuchadegreethattheydon’thaveenoughemployeestodothejobandservethecustomersproperly"saysonepilot. Themajorairlinescontendthat’snotthecaseatall.JeffGreenaspokesmanforUnitedAirlinessaysthemajorcarriershaveshrunksignificantlysince9/11.Whiletherearefarfeweremployeestheairlinealsohasfarfewerflights.HealsonotesthatUnitedhashaditsbeston-timeperformanceinthepasttwoyearsandthatfraternalgaugesofcustomersatisfactionareup."Whatouremployeesaregoingthroughisnothavinganeffectonourcustomerservice"saysMr.Green.Employeesonthefrontlinetelladifferentstory."They’rejustclosingthedoorsandreleasingthebrakesotheycanreportanontimedeparturewheninrealitytheymaystillbeloadingcargofor30minutes." Aviationexpertscontendthatifthat’sthecasethemajorairlinesmayfindevenmorechallengesahead.Astheirfarestructuresandpricescomeclosertothoseofthesuccessfullow-costcarrierscustomerservicewillbecomeevenmorecrucialindeterminingwhichairlinessucceed."Thewayyou’retreatedontheplanespeaksalotastowhetheryou’llflythatairlineagain"saysHelaneBecketanairlineanalyst."It’snotthebe-allandend-all.It’snotgoingtoputanairlineoutofbusiness.Butit’snotgoingtohelpitaloteitherifthey’realreadyintrouble." Airlinedelaysmayresultin
Inhis1979bookTheSinkingArkbiologistNormanMyersestimatedthat1ofmorethan100human-causedextinctionsoccureachdayandthatonemillionspecies2bythecentury’send.Yetthereislittleevidenceof3thatnumberofextinctions.Forexampleonlysevenspeciesonthe4specieslisthavebecomeextinct5thelistwascreatedin1973. Bio6isanimportantvalueaccordingtomanyscientists.Neverthelessthesupposedmassextinctionratesbandiedaboutare7bymultiplying8byimprobablestogetimponderables. Manyestimatesforinstancerelyagreatdealona"species-area9"whichpredictsthattwiceasmanyspecieswillbefoundon100squaremiles10ontensquaremiles.Theproblemisthatspeciesamnotdistributed11sohowmuchofaforestamdestroyedmaybeasimportantas12. 13saysArielLugodirectoroftheInternationalInstituteofTropicalForestryinPuertoRico"Biologistswhopredicthigh14rates15theresiliencyofnature". Oneofthemainmusesofextinctionsisdeforestation.AccordingtotheConsultativeGrouponInternationalAgriculturalResearchwhatdestroystropicaltreesisnotcommerciallogging16"poorfarmerswhohavenoother17forfeedingtheirfamiliesthanslashingandburninga18offorest". Incountriesthatpracticemodern19agricultureforestsarein20danger.In1920U.S.forestscovered732millionacres.Todaytheycover737million. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.18
Inhis1979bookTheSinkingArkbiologistNormanMyersestimatedthat1ofmorethan100human-causedextinctionsoccureachdayandthatonemillionspecies2bythecentury’send.Yetthereislittleevidenceof3thatnumberofextinctions.Forexampleonlysevenspeciesonthe4specieslisthavebecomeextinct5thelistwascreatedin1973. Bio6isanimportantvalueaccordingtomanyscientists.Neverthelessthesupposedmassextinctionratesbandiedaboutare7bymultiplying8byimprobablestogetimponderables. Manyestimatesforinstancerelyagreatdealona"species-area9"whichpredictsthattwiceasmanyspecieswillbefoundon100squaremiles10ontensquaremiles.Theproblemisthatspeciesamnotdistributed11sohowmuchofaforestamdestroyedmaybeasimportantas12. 13saysArielLugodirectoroftheInternationalInstituteofTropicalForestryinPuertoRico"Biologistswhopredicthigh14rates15theresiliencyofnature". Oneofthemainmusesofextinctionsisdeforestation.AccordingtotheConsultativeGrouponInternationalAgriculturalResearchwhatdestroystropicaltreesisnotcommerciallogging16"poorfarmerswhohavenoother17forfeedingtheirfamiliesthanslashingandburninga18offorest". Incountriesthatpracticemodern19agricultureforestsarein20danger.In1920U.S.forestscovered732millionacres.Todaytheycover737million. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.14
Text1 Americansarenowflyingthecrowdedcrankyskies.FlightdelaysinJanuaryweretheworstforthatmonthsince1999.Weatherisalwaystheprimarycauseofdelays.AddtothattheUSAirwaysChristmasbaggagemeltdownandComair’scomputerfailurethecombinationofwhichlefthundredsofthousandsoffliersstrandedatairports. Butairlineemployeesseeadeeperreasonforboththeincreaseindelaysandpassengercomplaints:ademoralizedandfrustratedworkforcethat’sbeingaskedtodomoreevenasit’sgettingpaidless. Theairlinesandunionsarequicktopraisetheirworkersforrisingtothechallengeduringtheseverydifficulttimesaswellasforcarryingthebruntofthecostcutting.Butuneaseisgrowingwithintheranks.Andpassengershavenoticed.Forinstancesomeoftheso-calledoldercarriersnowrequiregateagentstocleantheplanesaswellascheckpeoplein.Sosomepassengershavefoundthemselveswithoutacustomer-serviceagenttotalktountiljustbeforetheplaneleaves.Pilotsfindthemselvesstuckatthegatebecausetheircrewof.flightattendantshasalreadyworkedaslongastheFAAwouldallowthemto."They’vecutemployeestosuchadegreethattheydon’thaveenoughemployeestodothejobandservethecustomersproperly"saysonepilot. Themajorairlinescontendthat’snotthecaseatall.JeffGreenaspokesmanforUnitedAirlinessaysthemajorcarriershaveshrunksignificantlysince9/11.Whiletherearefarfeweremployeestheairlinealsohasfarfewerflights.HealsonotesthatUnitedhashaditsbeston-timeperformanceinthepasttwoyearsandthatfraternalgaugesofcustomersatisfactionareup."Whatouremployeesaregoingthroughisnothavinganeffectonourcustomerservice"saysMr.Green.Employeesonthefrontlinetelladifferentstory."They’rejustclosingthedoorsandreleasingthebrakesotheycanreportanontimedeparturewheninrealitytheymaystillbeloadingcargofor30minutes." Aviationexpertscontendthatifthat’sthecasethemajorairlinesmayfindevenmorechallengesahead.Astheirfarestructuresandpricescomeclosertothoseofthesuccessfullow-costcarrierscustomerservicewillbecomeevenmorecrucialindeterminingwhichairlinessucceed."Thewayyou’retreatedontheplanespeaksalotastowhetheryou’llflythatairlineagain"saysHelaneBecketanairlineanalyst."It’snotthebe-allandend-all.It’snotgoingtoputanairlineoutofbusiness.Butit’snotgoingtohelpitaloteitherifthey’realreadyintrouble." Aviationexpertsbelievethatthecustomerserviceofthemajorairlines
Inhis1979bookTheSinkingArkbiologistNormanMyersestimatedthat1ofmorethan100human-causedextinctionsoccureachdayandthatonemillionspecies2bythecentury’send.Yetthereislittleevidenceof3thatnumberofextinctions.Forexampleonlysevenspeciesonthe4specieslisthavebecomeextinct5thelistwascreatedin1973. Bio6isanimportantvalueaccordingtomanyscientists.Neverthelessthesupposedmassextinctionratesbandiedaboutare7bymultiplying8byimprobablestogetimponderables. Manyestimatesforinstancerelyagreatdealona"species-area9"whichpredictsthattwiceasmanyspecieswillbefoundon100squaremiles10ontensquaremiles.Theproblemisthatspeciesamnotdistributed11sohowmuchofaforestamdestroyedmaybeasimportantas12. 13saysArielLugodirectoroftheInternationalInstituteofTropicalForestryinPuertoRico"Biologistswhopredicthigh14rates15theresiliencyofnature". Oneofthemainmusesofextinctionsisdeforestation.AccordingtotheConsultativeGrouponInternationalAgriculturalResearchwhatdestroystropicaltreesisnotcommerciallogging16"poorfarmerswhohavenoother17forfeedingtheirfamiliesthanslashingandburninga18offorest". Incountriesthatpracticemodern19agricultureforestsarein20danger.In1920U.S.forestscovered732millionacres.Todaytheycover737million. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.8
Text2 Thiselectionyearthedebateovercloningtechnologyhasbecomeacircus—andhardlyanybodyhasnoticedthegorillahidinginthetent.EvenwhilePresidentBushhasendorsedthrowingscientistsinjailtostop"recklessexperiments"it’sjustpossibletheFirstAmendmentwillprotectresearcherswhowanttoperformcloningresearch. Dr.LeonKassthechairmanofthePresident’sCouncilonBioethicswouldliketokeepthatasecret."Idon’twanttoencouragesuchthinking"hesaid.ButthenotionthattheFirstAmendmentcreatesa"righttoresearch"hasbeenaroundforalongtimeandKassknowsit.In1977foureminentlegalscholars—ThomasEmersonJeromeBartonWalterBernsandHaroldP.Green—wereaskedtotestifybeforetheHouseSubcommitteeonScienceTechnologyandSpace.AtthetimetherewasalarminthecountryoverrecombinantDNA.Somepeoplefearedclonesdesignerbabiesaplagueofsuperbacteria.Thecommitteewantedtoknowifthefederalgovernmentshouldorcouldrestrictthescience."Certainlytheoverwhelmingtenorofthetestimonywasinfavorofprotectingit"BarronwhonowteachesatGeorgeWashingtonUniversityrecalls. Bernsaconservativepoliticalscientistwasforcedtoagree.Hedidn’tlikethisconclusionbemusehefearedtheconsequencesoftinkeringwithnaturebutevenafterconsultingwithKassbeforehistestimonyhetoldCongressthat"theFirstAmendmentprotectedthiskindofresearch."Todayhebelievesitprotectscloningexperimentsaswell.Law-reviewarticleswrittenatthetimesupportedBernsandsowouldareportissuedbyCongress’sOfficeofTechnologyAssessmentO.T.A..Butthecourtsnevergotthechancetofacethefight-to-researchissuesquarely.AnoversightbodycalledtheRecombinantDNAAdvisoryCommitteeformedbytheNationalInstitutesofHealthessentiallyallowedsciencetopoliceitself.Sothediscussionwassubmerged.Untilnow. Whylegalscholarswoulddefendtherighttoresearchishardlymysterious.ThefoundingfatherspassionatelydefendedscientificandacademicfreedomandtheSupremeCourthastraditionallyhadahighregardforit.Butwhywouldtherighttoreadwriteandspeakasyoupleaseextendtotherighttoexperimentinthelab NeoconservativeslikeKasshaveemphasizedtheneedtomaintainafixedconceptionofhumannature.ButtheO.T.A.directlyaddressedthisina1981report."Eveniftherationale..wereexpandedtoincludesituationswhereknowledgethreatensfundamentalculturalvaluesaboutthenatureofmancontrolofresearchforsuchareasonprobablywouldnotbeconstitutionallypermissible." Thegovernmentcanrestrictspeechifitcanprovea"compellinginterest"likepublicsafetyornationalsecurity.Butcourtshavesetthatbarveryhigh.Unlikesayanexperimentthatreleasessmallpoxintothewindtostudyhowitspreadswhichcouldbebannedembryoresearchpresentsnoreadilyapparentdangertopublichealthorsecurity.Andifthat’sthecasescientistswhowishtocreatestemcellsbycloningmighthaveanewsourceofsuccor:theU.S.Constitution. ItisbroadlyacceptedthatbytheFirstAmendmentcloningexperimentsshouldbe
Inhis1979bookTheSinkingArkbiologistNormanMyersestimatedthat1ofmorethan100human-causedextinctionsoccureachdayandthatonemillionspecies2bythecentury’send.Yetthereislittleevidenceof3thatnumberofextinctions.Forexampleonlysevenspeciesonthe4specieslisthavebecomeextinct5thelistwascreatedin1973. Bio6isanimportantvalueaccordingtomanyscientists.Neverthelessthesupposedmassextinctionratesbandiedaboutare7bymultiplying8byimprobablestogetimponderables. Manyestimatesforinstancerelyagreatdealona"species-area9"whichpredictsthattwiceasmanyspecieswillbefoundon100squaremiles10ontensquaremiles.Theproblemisthatspeciesamnotdistributed11sohowmuchofaforestamdestroyedmaybeasimportantas12. 13saysArielLugodirectoroftheInternationalInstituteofTropicalForestryinPuertoRico"Biologistswhopredicthigh14rates15theresiliencyofnature". Oneofthemainmusesofextinctionsisdeforestation.AccordingtotheConsultativeGrouponInternationalAgriculturalResearchwhatdestroystropicaltreesisnotcommerciallogging16"poorfarmerswhohavenoother17forfeedingtheirfamiliesthanslashingandburninga18offorest". Incountriesthatpracticemodern19agricultureforestsarein20danger.In1920U.S.forestscovered732millionacres.Todaytheycover737million. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.2
Inhis1979bookTheSinkingArkbiologistNormanMyersestimatedthat1ofmorethan100human-causedextinctionsoccureachdayandthatonemillionspecies2bythecentury’send.Yetthereislittleevidenceof3thatnumberofextinctions.Forexampleonlysevenspeciesonthe4specieslisthavebecomeextinct5thelistwascreatedin1973. Bio6isanimportantvalueaccordingtomanyscientists.Neverthelessthesupposedmassextinctionratesbandiedaboutare7bymultiplying8byimprobablestogetimponderables. Manyestimatesforinstancerelyagreatdealona"species-area9"whichpredictsthattwiceasmanyspecieswillbefoundon100squaremiles10ontensquaremiles.Theproblemisthatspeciesamnotdistributed11sohowmuchofaforestamdestroyedmaybeasimportantas12. 13saysArielLugodirectoroftheInternationalInstituteofTropicalForestryinPuertoRico"Biologistswhopredicthigh14rates15theresiliencyofnature". Oneofthemainmusesofextinctionsisdeforestation.AccordingtotheConsultativeGrouponInternationalAgriculturalResearchwhatdestroystropicaltreesisnotcommerciallogging16"poorfarmerswhohavenoother17forfeedingtheirfamiliesthanslashingandburninga18offorest". Incountriesthatpracticemodern19agricultureforestsarein20danger.In1920U.S.forestscovered732millionacres.Todaytheycover737million. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.6
Text4 Whatislesswellunderstoodbythegeneralpublicisthattherehavebeenanumberoftrendswhichhavefurthercontributedtothediminishmentofexcavationasanactivity.AsBahnputsit"therehavebeentwomajortrendsovertime:firstexcavationhasbecomefarslowerandmorepainstaking....Theworkisincrediblymeticulous...Secondlywecanlearnfarmorefromwhatwehave."Theconclusionstobedrawnfromthiswouldappeartobecontradictory. AstechnologyimprovesweareabletoundertakeawidevarietyofanalysisfrommicroscopicradiocarbondatingorevenDNAsamples.Theabilitytodeterminemorefromfewersamplesagainsuggeststhatlessexcavationisrequired.Moreovermoreoftenthannotthebalanceofeffortnowrestswiththespecialistanalyserssuchaspollenexpertsanddatinganalysisratherthantheexcavators.Soagainsomeoftherequirementsforextensiveexcavationhavediminishedthroughtheadvancementofotheranalyticaltechniquesandnotjustsurfacesurveytechniques.FurthermoreArchaeologyitselfhaschangedinanumberofways.Nolongeristheemphasissimplyupontheacquisitionofmaterialcultureorartefacts.Inmanycaseswehaveareasonableunderstandingofthesurvivingmaterialculture.IndeedinEgyptandItalyitemsarerebuffedinthegroundsimplybecausethemuseumsaretoofulltheftmayberipepreservationdifficultanddocumentationslow. TheemergenceofprocessualarchaeologyunderBinfordandothersagainmovedarchaeologytowardsbroaderconceptsofexplanationprocessdeductionhypothesistestingquestionsettingandresponse.Answeringquestionsabouttheorganisationofsocietiestheenvironmentandtheirlifehaveamuchgreaterimportancetoday.Andansweringthesehowandwhyquestionsimpliesamuchbroaderscopeofwork.Excavationalonecannotanswerallthesequestions. Archaeologyneedsastructuredresearchprocess.ThisprocedureisdescribedbyRenfrewandBahnasresearchdesign.Researchdesignhasfourcomponentsnamely:formulationthecollectionandrecordingprocessingandanalysisandpublication.Forexamplemoredetailedworkintheformulationpartcanfocuslinesofenquiryintoaspecificareaandtherebyagainreducetheamountofexcavationrequired. AsthequestionscurrentlyposedbyArchaeologiststendtobemore’strategic’thefocusofthefieldworkisalsoofastrategicnature.Overalllandscapescontexttradingpatternsandsystemsaremoreimportantthanindividualsites.Assuchthisrequiresdifferenttechniques.ASGreenestates"fieldworktodayisrarelydirectedatasinglesite.Itusuallyformspartofacomprehensivestudyofanarea."Hecontinues"studiesaredesignedtoelucidatethebroadagriculturaleconomicandsocialdevelopments". Whichofthefollowingmayarchaeologistscurrentlyplaceleastimportanceon
Inhis1979bookTheSinkingArkbiologistNormanMyersestimatedthat1ofmorethan100human-causedextinctionsoccureachdayandthatonemillionspecies2bythecentury’send.Yetthereislittleevidenceof3thatnumberofextinctions.Forexampleonlysevenspeciesonthe4specieslisthavebecomeextinct5thelistwascreatedin1973. Bio6isanimportantvalueaccordingtomanyscientists.Neverthelessthesupposedmassextinctionratesbandiedaboutare7bymultiplying8byimprobablestogetimponderables. Manyestimatesforinstancerelyagreatdealona"species-area9"whichpredictsthattwiceasmanyspecieswillbefoundon100squaremiles10ontensquaremiles.Theproblemisthatspeciesamnotdistributed11sohowmuchofaforestamdestroyedmaybeasimportantas12. 13saysArielLugodirectoroftheInternationalInstituteofTropicalForestryinPuertoRico"Biologistswhopredicthigh14rates15theresiliencyofnature". Oneofthemainmusesofextinctionsisdeforestation.AccordingtotheConsultativeGrouponInternationalAgriculturalResearchwhatdestroystropicaltreesisnotcommerciallogging16"poorfarmerswhohavenoother17forfeedingtheirfamiliesthanslashingandburninga18offorest". Incountriesthatpracticemodern19agricultureforestsarein20danger.In1920U.S.forestscovered732millionacres.Todaytheycover737million. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.16
Manfirstappearedonearthhalfamillionyearsago.Thenhewaslittlemorethanananimal;butearlymanhadseveralbigadvantagesovertheanimals.Hehadalargebrainhehadanuprightbodyhehadcleverhands;andhehadinhisbrainspecialgroupsofnervecellsnotpresentinanimalsthatenabledhimtoinventalanguageanduseittocommunicatewithhisfellowmen.46Thisabilitytospeakwasofgreatvaluebecauseitallowedmentoshareideasandtoplantogethersothattasksimpossibleforasinglepersoncouldbesuccessfullyundertakenbyintelligentteam-work.Speechalsoenabledideastobepassedonfromgenerationtogenerationsothatthestockofhumanknowledgeslowlyincreased. Itwasthesespecialadvantagesthatputmenfaraheadofotherlivingcreaturesinthestruggleforexistence.Theycanusetheirintelligenceagainsttheirdifficultiesandmasterthem. Sincethesefar-offtimeswhenhefirstappearedmanhasachievedagreatdeal.Hehasusedanimalssteamelectricityandoiltomovehimselfmoreandmorequicklyfromplacetoplace.Hehasovercomeriversandseaswithraftscanoesboatsandshipsofendlessvariety.47Hemastereddarknessto%firstwithdimlightsandlaterwithbrighterandbrighterlampsuntilhecannowmakeforhimselfsodazzlingalightwithanarc-lampthatlikethesunitistoostrongforhisnakedeyes. 48Manfoundthathisownmusclesweretooweakfortheworkwhichhewantedtodo;heexploredmanyformsofpower—windwatersteamelectricity—untilnowhehashishandsontheultimatesourceofphysicalenergythenuclearpowerwhichtiestogetherthesmallestunitsfromwhichallmatterismade.Fromman’searliestdaystheflightofbirdshasraisedhiswonderanddesire.WhyshouldhenotflyastheydidThenhebegantoexperiment.Atlasthelearnthowtomaketherightmachinestocarryhimthroughtheair.Nowhecanflyfasterthansound.Alreadyhehasplansforconqueringspaceandaseriesofexperimentshasbeencompleted.49Itwillnotbelongnowbeforemantakesagiantstepawayfromhisplanetandvisitsthemoonlearningwhatitisliketohavenoweighttohisbodynoupwarddirectionandnodownward. Manalwaysawandererhastoovercomethedifficultyofadaptinghimselftodifferentclimates50Fortunatelyinspiteofhavingnothickskinorwarmfurtoprotecthimheispeculiarlystrongcomparedwithotherlivingcreaturesmostofwhomareunabletolivefaroutsidetheregionthatsuitsthembest.Manhowevercangoalmosteverywhere.Youwillfindhimlivingontheplainsandupinthehills;helivesindampareasandindry;intheforestsofthehotregionsoftheearthandinsnowhutsintheFarNorth. 48
Text4 Whatislesswellunderstoodbythegeneralpublicisthattherehavebeenanumberoftrendswhichhavefurthercontributedtothediminishmentofexcavationasanactivity.AsBahnputsit"therehavebeentwomajortrendsovertime:firstexcavationhasbecomefarslowerandmorepainstaking....Theworkisincrediblymeticulous...Secondlywecanlearnfarmorefromwhatwehave."Theconclusionstobedrawnfromthiswouldappeartobecontradictory. AstechnologyimprovesweareabletoundertakeawidevarietyofanalysisfrommicroscopicradiocarbondatingorevenDNAsamples.Theabilitytodeterminemorefromfewersamplesagainsuggeststhatlessexcavationisrequired.Moreovermoreoftenthannotthebalanceofeffortnowrestswiththespecialistanalyserssuchaspollenexpertsanddatinganalysisratherthantheexcavators.Soagainsomeoftherequirementsforextensiveexcavationhavediminishedthroughtheadvancementofotheranalyticaltechniquesandnotjustsurfacesurveytechniques.FurthermoreArchaeologyitselfhaschangedinanumberofways.Nolongeristheemphasissimplyupontheacquisitionofmaterialcultureorartefacts.Inmanycaseswehaveareasonableunderstandingofthesurvivingmaterialculture.IndeedinEgyptandItalyitemsarerebuffedinthegroundsimplybecausethemuseumsaretoofulltheftmayberipepreservationdifficultanddocumentationslow. TheemergenceofprocessualarchaeologyunderBinfordandothersagainmovedarchaeologytowardsbroaderconceptsofexplanationprocessdeductionhypothesistestingquestionsettingandresponse.Answeringquestionsabouttheorganisationofsocietiestheenvironmentandtheirlifehaveamuchgreaterimportancetoday.Andansweringthesehowandwhyquestionsimpliesamuchbroaderscopeofwork.Excavationalonecannotanswerallthesequestions. Archaeologyneedsastructuredresearchprocess.ThisprocedureisdescribedbyRenfrewandBahnasresearchdesign.Researchdesignhasfourcomponentsnamely:formulationthecollectionandrecordingprocessingandanalysisandpublication.Forexamplemoredetailedworkintheformulationpartcanfocuslinesofenquiryintoaspecificareaandtherebyagainreducetheamountofexcavationrequired. AsthequestionscurrentlyposedbyArchaeologiststendtobemore’strategic’thefocusofthefieldworkisalsoofastrategicnature.Overalllandscapescontexttradingpatternsandsystemsaremoreimportantthanindividualsites.Assuchthisrequiresdifferenttechniques.ASGreenestates"fieldworktodayisrarelydirectedatasinglesite.Itusuallyformspartofacomprehensivestudyofanarea."Hecontinues"studiesaredesignedtoelucidatethebroadagriculturaleconomicandsocialdevelopments". TheexampleinEgyptandItalyshowsthat
Text4 Whatislesswellunderstoodbythegeneralpublicisthattherehavebeenanumberoftrendswhichhavefurthercontributedtothediminishmentofexcavationasanactivity.AsBahnputsit"therehavebeentwomajortrendsovertime:firstexcavationhasbecomefarslowerandmorepainstaking....Theworkisincrediblymeticulous...Secondlywecanlearnfarmorefromwhatwehave."Theconclusionstobedrawnfromthiswouldappeartobecontradictory. AstechnologyimprovesweareabletoundertakeawidevarietyofanalysisfrommicroscopicradiocarbondatingorevenDNAsamples.Theabilitytodeterminemorefromfewersamplesagainsuggeststhatlessexcavationisrequired.Moreovermoreoftenthannotthebalanceofeffortnowrestswiththespecialistanalyserssuchaspollenexpertsanddatinganalysisratherthantheexcavators.Soagainsomeoftherequirementsforextensiveexcavationhavediminishedthroughtheadvancementofotheranalyticaltechniquesandnotjustsurfacesurveytechniques.FurthermoreArchaeologyitselfhaschangedinanumberofways.Nolongeristheemphasissimplyupontheacquisitionofmaterialcultureorartefacts.Inmanycaseswehaveareasonableunderstandingofthesurvivingmaterialculture.IndeedinEgyptandItalyitemsarerebuffedinthegroundsimplybecausethemuseumsaretoofulltheftmayberipepreservationdifficultanddocumentationslow. TheemergenceofprocessualarchaeologyunderBinfordandothersagainmovedarchaeologytowardsbroaderconceptsofexplanationprocessdeductionhypothesistestingquestionsettingandresponse.Answeringquestionsabouttheorganisationofsocietiestheenvironmentandtheirlifehaveamuchgreaterimportancetoday.Andansweringthesehowandwhyquestionsimpliesamuchbroaderscopeofwork.Excavationalonecannotanswerallthesequestions. Archaeologyneedsastructuredresearchprocess.ThisprocedureisdescribedbyRenfrewandBahnasresearchdesign.Researchdesignhasfourcomponentsnamely:formulationthecollectionandrecordingprocessingandanalysisandpublication.Forexamplemoredetailedworkintheformulationpartcanfocuslinesofenquiryintoaspecificareaandtherebyagainreducetheamountofexcavationrequired. AsthequestionscurrentlyposedbyArchaeologiststendtobemore’strategic’thefocusofthefieldworkisalsoofastrategicnature.Overalllandscapescontexttradingpatternsandsystemsaremoreimportantthanindividualsites.Assuchthisrequiresdifferenttechniques.ASGreenestates"fieldworktodayisrarelydirectedatasinglesite.Itusuallyformspartofacomprehensivestudyofanarea."Hecontinues"studiesaredesignedtoelucidatethebroadagriculturaleconomicandsocialdevelopments". Wecaninferfromthepassagethat
Text3 Withoutanoversizedcalendartackedtotheirkitchenwall-FernReissandherfamilycouldneverkeeptrackofallthemeetingsappointmentshome-schoolinglessonsandactivitiesthatfilltheirbusydays."I’mnotsuretheymakeacalendarlargeenoughforus"saysMs.ReissofNewtonMass.explainingthatherliferevolvesaround"twocompaniesthreechildrenaspousealotofcommunityinvolvementasociallifelthekids’sociallifeandvolunteeringinasoupkitcheneveryweek.""Everybodyweknowisleadingafreneticlife"sheadds.’"Oursisfrenetictoobutwe’respendingthebulkofourtimewithourkids.Eventhoughwe’rehavingacrazylifewe’rehavingitintherightway. Althoughextremebusynessishardlyanewphenomenonthesubjectisgettingrenewedattentionfromresearchers."Agoodlifehastodowithlifehavingadirectionlifehavinganarrativewiththestorieswetellourselves"ChuckDarrahananthropologistsays."Busynessfragmentsallthat.We’reabsolutelyfocusedongettingthroughthenexthourthenextdaythenextweek.Itdoesraisequestions:IfnotbusynesswhatIfweweren’tsobusywhatwouldwebedoingIfpeopleweren’tsobusywouldtheybeapoetapainter" FortheReissespartoflivingagoodlifehoweverbusymeansincludingthecouple’schildreninvolunteerworkandcommunityactivities."Wewantthekidstoseethatthat’sapriority"shesays. Betweenworkingfulltimeasapublicistcaringforherhomespendingtimewithherhusbandandextendedfamilyandhelpinghergrandmotherthreetimesaweekawomansays"Iamexhaustedallthetime."Likeotherssheconcedesthatshesets"somewhatunrealisticexpectations"forwhatshecanaccomplishinaday. BeingrealisticisagoalDarrahencouragessaying"Wecandoeverythingbutwecan’tdoeverythingwellandatthesametime."Hecautionsthatbusynesscanresultin"poordecisionssloppyqualityandneglectofthethingsandpeoplethatmattermostinthelongrun."Headvises:"Stoptakingonsomuchandkeepinperspectivewhat’smostimportanttoyou."Darrah’sownscheduleremainsfullbutheinsistshedoesnotfeelbusy.HissecretConfiningactivitiestothingshemustdoandthosehewantstodo.Heandhiswifedonotoverscheduletheirchildren.TothosewithoneeyeonthecalendarandtheotherontheclockDarrahoffersthisadvice:"Beforeyoutakeanythingonaskyourself:DoyouhavetodothisDoyouwanttodothisLivewithakindofmindfulnesssoyoudon’twakeupanddiscoverthatyourlifeisawhirloftransportationandcommunicationandyou’vehollowedyourselfout." TheauthorwoulddescribetheReisses'lifeas
Inhis1979bookTheSinkingArkbiologistNormanMyersestimatedthat1ofmorethan100human-causedextinctionsoccureachdayandthatonemillionspecies2bythecentury’send.Yetthereislittleevidenceof3thatnumberofextinctions.Forexampleonlysevenspeciesonthe4specieslisthavebecomeextinct5thelistwascreatedin1973. Bio6isanimportantvalueaccordingtomanyscientists.Neverthelessthesupposedmassextinctionratesbandiedaboutare7bymultiplying8byimprobablestogetimponderables. Manyestimatesforinstancerelyagreatdealona"species-area9"whichpredictsthattwiceasmanyspecieswillbefoundon100squaremiles10ontensquaremiles.Theproblemisthatspeciesamnotdistributed11sohowmuchofaforestamdestroyedmaybeasimportantas12. 13saysArielLugodirectoroftheInternationalInstituteofTropicalForestryinPuertoRico"Biologistswhopredicthigh14rates15theresiliencyofnature". Oneofthemainmusesofextinctionsisdeforestation.AccordingtotheConsultativeGrouponInternationalAgriculturalResearchwhatdestroystropicaltreesisnotcommerciallogging16"poorfarmerswhohavenoother17forfeedingtheirfamiliesthanslashingandburninga18offorest". Incountriesthatpracticemodern19agricultureforestsarein20danger.In1920U.S.forestscovered732millionacres.Todaytheycover737million. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.4
Manfirstappearedonearthhalfamillionyearsago.Thenhewaslittlemorethanananimal;butearlymanhadseveralbigadvantagesovertheanimals.Hehadalargebrainhehadanuprightbodyhehadcleverhands;andhehadinhisbrainspecialgroupsofnervecellsnotpresentinanimalsthatenabledhimtoinventalanguageanduseittocommunicatewithhisfellowmen.46Thisabilitytospeakwasofgreatvaluebecauseitallowedmentoshareideasandtoplantogethersothattasksimpossibleforasinglepersoncouldbesuccessfullyundertakenbyintelligentteam-work.Speechalsoenabledideastobepassedonfromgenerationtogenerationsothatthestockofhumanknowledgeslowlyincreased. Itwasthesespecialadvantagesthatputmenfaraheadofotherlivingcreaturesinthestruggleforexistence.Theycanusetheirintelligenceagainsttheirdifficultiesandmasterthem. Sincethesefar-offtimeswhenhefirstappearedmanhasachievedagreatdeal.Hehasusedanimalssteamelectricityandoiltomovehimselfmoreandmorequicklyfromplacetoplace.Hehasovercomeriversandseaswithraftscanoesboatsandshipsofendlessvariety.47Hemastereddarknessto%firstwithdimlightsandlaterwithbrighterandbrighterlampsuntilhecannowmakeforhimselfsodazzlingalightwithanarc-lampthatlikethesunitistoostrongforhisnakedeyes. 48Manfoundthathisownmusclesweretooweakfortheworkwhichhewantedtodo;heexploredmanyformsofpower—windwatersteamelectricity—untilnowhehashishandsontheultimatesourceofphysicalenergythenuclearpowerwhichtiestogetherthesmallestunitsfromwhichallmatterismade.Fromman’searliestdaystheflightofbirdshasraisedhiswonderanddesire.WhyshouldhenotflyastheydidThenhebegantoexperiment.Atlasthelearnthowtomaketherightmachinestocarryhimthroughtheair.Nowhecanflyfasterthansound.Alreadyhehasplansforconqueringspaceandaseriesofexperimentshasbeencompleted.49Itwillnotbelongnowbeforemantakesagiantstepawayfromhisplanetandvisitsthemoonlearningwhatitisliketohavenoweighttohisbodynoupwarddirectionandnodownward. Manalwaysawandererhastoovercomethedifficultyofadaptinghimselftodifferentclimates50Fortunatelyinspiteofhavingnothickskinorwarmfurtoprotecthimheispeculiarlystrongcomparedwithotherlivingcreaturesmostofwhomareunabletolivefaroutsidetheregionthatsuitsthembest.Manhowevercangoalmosteverywhere.Youwillfindhimlivingontheplainsandupinthehills;helivesindampareasandindry;intheforestsofthehotregionsoftheearthandinsnowhutsintheFarNorth. 50
Text2 Thiselectionyearthedebateovercloningtechnologyhasbecomeacircus—andhardlyanybodyhasnoticedthegorillahidinginthetent.EvenwhilePresidentBushhasendorsedthrowingscientistsinjailtostop"recklessexperiments"it’sjustpossibletheFirstAmendmentwillprotectresearcherswhowanttoperformcloningresearch. Dr.LeonKassthechairmanofthePresident’sCouncilonBioethicswouldliketokeepthatasecret."Idon’twanttoencouragesuchthinking"hesaid.ButthenotionthattheFirstAmendmentcreatesa"righttoresearch"hasbeenaroundforalongtimeandKassknowsit.In1977foureminentlegalscholars—ThomasEmersonJeromeBartonWalterBernsandHaroldP.Green—wereaskedtotestifybeforetheHouseSubcommitteeonScienceTechnologyandSpace.AtthetimetherewasalarminthecountryoverrecombinantDNA.Somepeoplefearedclonesdesignerbabiesaplagueofsuperbacteria.Thecommitteewantedtoknowifthefederalgovernmentshouldorcouldrestrictthescience."Certainlytheoverwhelmingtenorofthetestimonywasinfavorofprotectingit"BarronwhonowteachesatGeorgeWashingtonUniversityrecalls. Bernsaconservativepoliticalscientistwasforcedtoagree.Hedidn’tlikethisconclusionbemusehefearedtheconsequencesoftinkeringwithnaturebutevenafterconsultingwithKassbeforehistestimonyhetoldCongressthat"theFirstAmendmentprotectedthiskindofresearch."Todayhebelievesitprotectscloningexperimentsaswell.Law-reviewarticleswrittenatthetimesupportedBernsandsowouldareportissuedbyCongress’sOfficeofTechnologyAssessmentO.T.A..Butthecourtsnevergotthechancetofacethefight-to-researchissuesquarely.AnoversightbodycalledtheRecombinantDNAAdvisoryCommitteeformedbytheNationalInstitutesofHealthessentiallyallowedsciencetopoliceitself.Sothediscussionwassubmerged.Untilnow. Whylegalscholarswoulddefendtherighttoresearchishardlymysterious.ThefoundingfatherspassionatelydefendedscientificandacademicfreedomandtheSupremeCourthastraditionallyhadahighregardforit.Butwhywouldtherighttoreadwriteandspeakasyoupleaseextendtotherighttoexperimentinthelab NeoconservativeslikeKasshaveemphasizedtheneedtomaintainafixedconceptionofhumannature.ButtheO.T.A.directlyaddressedthisina1981report."Eveniftherationale..wereexpandedtoincludesituationswhereknowledgethreatensfundamentalculturalvaluesaboutthenatureofmancontrolofresearchforsuchareasonprobablywouldnotbeconstitutionallypermissible." Thegovernmentcanrestrictspeechifitcanprovea"compellinginterest"likepublicsafetyornationalsecurity.Butcourtshavesetthatbarveryhigh.Unlikesayanexperimentthatreleasessmallpoxintothewindtostudyhowitspreadswhichcouldbebannedembryoresearchpresentsnoreadilyapparentdangertopublichealthorsecurity.Andifthat’sthecasescientistswhowishtocreatestemcellsbycloningmighthaveanewsourceofsuccor:theU.S.Constitution. Whichofthefollowingisstronglyagainstcloningresearch
LetChinasleepforwhenshewakesshewillshaketheworld. UntilrecentlytheworldhappilyignoredNapoleon’swarning.ButChinaisnowshakingtheworld.TheUSwasthefirstcontinentalcapitalisteconomy.TheEuropeanUnionistryingtobecomeasecond.PotentiallyChinadwarfsthemboth.Alreadyitisabigandcontroversialpresenceintheglobaleconomy.Itsimpactiscertaintoincreasestillfurther.Fearisaninevitableresponsetothisgrowingupheaval.ButhowfarisitjustifiedAndwhatisthebestresponse 41TheamazingachievementsofChina’strade China’stradeperformancehasindeedbeenastonishing.Between1980and2002China’sshareinglobalexportsandimportsrosefrom1.2percentand1.1percentto5.2percentand4.2percentrespectively.From1993to2002thevolumeofChina’sexportsofgoodsroseatanannualrateof17.3percent. 42HowtoevaluatetheimpactofChina’strade ToassesstheimpactofChina’stradeonemuststartwithitscomparativeadvantageandtradepolicies. 43Chinahasreducedhertariffs In1992averagestatutorytariffsonmanufactureswere4t3.5percent.AfteraccessiontotheWorldTradeOrganizationthiswillbedownto6.9percent.Forprimaryproductsthedeclineisfrom22.3to3.6percent. 44Goodorbadnews Between1979and2001China’stermsoftrade-theratioofthepricesofitsexportstothoseofitsimports-fellby30percent.AsChina’sgrowthdrivesdowntherelativepriceofherexportscountriesthatcompeteinthirdmarketssufferdecliningprofitabilityandmarketshares.ButnetimportersofChina’sexportsandnetexportersofherimportsbenefit. 45TheeffectofdirectChinesecompetition GainsareevenavailabletocountriesthatwouldseemvulnerabletodirectChinesecompetition.ThereasonistheverticalintegrationofChineseproduction.In1998justunderaquarterofthevalueofChineseexportscontaineddirectandindirectimports.NotsurprisinglysuchproductionisparticularlyrelevanttoChina’sneighbors. HowshouldothercountriesrespondtotheChineseshock"Calmly"isthebestadvice.Thebiggestreasonforcalmcomesfromhistory.IfChinaispermittedtothriveasadynamicexporterofcheapmanufacturesitspeoplewillobtaintheprosperitytheywant.IfChinaisthwartedbyprotectionistbarriersitspeoplewillbecorrespondinglyfrustratedanddangerous.Thechallengesofaccommodatingawide-awakeChinawillbehuge.Buttheycanandmustberisento. [A]Chinaalsoreducedthecoverageofnon-tariffbarriersfrom32.5percentofimportsto21.6percentbetween1996and2001.ThisliberalizationfurtherincreasethecompetitivenessofChina’sexportsbecauseataxonimportsisalsoataxonexports. [B]AnotherWorldBankstudynotesforexamplethatbetween1985and2001exportsfromotherEastAsianemergingmarketeconomiestoChinagrewfrom59billionto835billion.In200115percentofEastAsiansexportstoChinaconsistedofpartsofofficemachinesandtelecommunicationsequipmentandelectronicmicrocircuitsallofwhichwereforassemblyandre-export. [C]IfcurrenttrendsweresustainedwhichisunlikelyChina’sexportswouldsurpassthoseoftheUSbyabout2010.Overthe12monthstomay2003Chineseexportsof3660billionweretheworld’sfourthlargestafterthoseoftheUSGermanyandJapan.Itsimportsat3230billionwerethesixthlargestbutwillsoonbebiggerthanthoseofJapantheUKandFrance. [D]Ingeneralcommodityexportersandexportersofsophisticatedgoodsandservicesgainwhileotherlaborabundantcountrieslose. [E]Chinanowenjoyssignificantforeigninvestmentinflows.Thevolumeofcapitalflowstodevelopingcountriesisdeterminedprimarilybyglobalconditionsnotbylocaleconomicperformance.Countriescanincreasetheirshareofthiscapitalbymanagingtheireconomieswellbutconditionsintherichcountrieswillalwaysmattermoreandthesearehardtopredict. [F]Theformerrestsonalmostlimitlesssuppliesofcheaplabor.Thelatterhavebecomeremarkablyliberal. 42
Inhis1979bookTheSinkingArkbiologistNormanMyersestimatedthat1ofmorethan100human-causedextinctionsoccureachdayandthatonemillionspecies2bythecentury’send.Yetthereislittleevidenceof3thatnumberofextinctions.Forexampleonlysevenspeciesonthe4specieslisthavebecomeextinct5thelistwascreatedin1973. Bio6isanimportantvalueaccordingtomanyscientists.Neverthelessthesupposedmassextinctionratesbandiedaboutare7bymultiplying8byimprobablestogetimponderables. Manyestimatesforinstancerelyagreatdealona"species-area9"whichpredictsthattwiceasmanyspecieswillbefoundon100squaremiles10ontensquaremiles.Theproblemisthatspeciesamnotdistributed11sohowmuchofaforestamdestroyedmaybeasimportantas12. 13saysArielLugodirectoroftheInternationalInstituteofTropicalForestryinPuertoRico"Biologistswhopredicthigh14rates15theresiliencyofnature". Oneofthemainmusesofextinctionsisdeforestation.AccordingtotheConsultativeGrouponInternationalAgriculturalResearchwhatdestroystropicaltreesisnotcommerciallogging16"poorfarmerswhohavenoother17forfeedingtheirfamiliesthanslashingandburninga18offorest". Incountriesthatpracticemodern19agricultureforestsarein20danger.In1920U.S.forestscovered732millionacres.Todaytheycover737million. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.10
Whenlabratssleeptheirbrainsrevisitthemazetheynavigatedduringthedayaccordingtoanewstudy1yesterdayofferingsomeofthestrongestevidence2thatanimalsdoindeeddream.Experimentswithsleepingratsfoundthatcellsintheanimals’brainsfireinadistinctivepattern3thepatternthatoccurswhentheyare4andtryingtolearntheirwayaroundamaze. Basedontheresultstheresearchersconcludedtheratsweredreamingaboutthemaze5reviewingwhattheyhadlearnedwhileawaketo6thememories. Researchershavelongknownthatanimalsgo7thesametypesofsleepphasesthatpeopledoincludingrapid-eye-movementREMsleepwhichiswhenpeopledream.But8theoccasionaltwitchinggrowlingorbarkingthatanydogownerhas9inhisorhersleepingpetthere’sbeen10directevidencethatanimals11.Ifanimalsdreamitsuggeststheymighthavemore12mentalfunctionsthanhadbeen13. "Wehaveashumansfeltthatthis14ofmemory—ourabilitytorecallsequencesofexperiences—wassomethingthatwas15human"Wilsonsaid."Thefactthatweseethisinrodents16suggesttheycanevaluatetheirexperienceinasignificantway.Animalsmaybe17aboutmorethanwehadpreviouslyconsidered." Thefindingsalsoprovidenewsupportforaleadingtheoryfor18humanssleep—tosolidifynewlearning."Peoplearenowreallynailingdownthefactthatthebrainduringsleepis19itsactivityatleastforthetimeimmediatelybeforesleepandalmostundoubtedlyusingthatreviewto20orintegratethosememoriesintomoreusableforms"saidanassistantprofessorofpsychiatryatHarvardMedicalSchool. 2
Text2 Thiselectionyearthedebateovercloningtechnologyhasbecomeacircus—andhardlyanybodyhasnoticedthegorillahidinginthetent.EvenwhilePresidentBushhasendorsedthrowingscientistsinjailtostop"recklessexperiments"it’sjustpossibletheFirstAmendmentwillprotectresearcherswhowanttoperformcloningresearch. Dr.LeonKassthechairmanofthePresident’sCouncilonBioethicswouldliketokeepthatasecret."Idon’twanttoencouragesuchthinking"hesaid.ButthenotionthattheFirstAmendmentcreatesa"righttoresearch"hasbeenaroundforalongtimeandKassknowsit.In1977foureminentlegalscholars—ThomasEmersonJeromeBartonWalterBernsandHaroldP.Green—wereaskedtotestifybeforetheHouseSubcommitteeonScienceTechnologyandSpace.AtthetimetherewasalarminthecountryoverrecombinantDNA.Somepeoplefearedclonesdesignerbabiesaplagueofsuperbacteria.Thecommitteewantedtoknowifthefederalgovernmentshouldorcouldrestrictthescience."Certainlytheoverwhelmingtenorofthetestimonywasinfavorofprotectingit"BarronwhonowteachesatGeorgeWashingtonUniversityrecalls. Bernsaconservativepoliticalscientistwasforcedtoagree.Hedidn’tlikethisconclusionbemusehefearedtheconsequencesoftinkeringwithnaturebutevenafterconsultingwithKassbeforehistestimonyhetoldCongressthat"theFirstAmendmentprotectedthiskindofresearch."Todayhebelievesitprotectscloningexperimentsaswell.Law-reviewarticleswrittenatthetimesupportedBernsandsowouldareportissuedbyCongress’sOfficeofTechnologyAssessmentO.T.A..Butthecourtsnevergotthechancetofacethefight-to-researchissuesquarely.AnoversightbodycalledtheRecombinantDNAAdvisoryCommitteeformedbytheNationalInstitutesofHealthessentiallyallowedsciencetopoliceitself.Sothediscussionwassubmerged.Untilnow. Whylegalscholarswoulddefendtherighttoresearchishardlymysterious.ThefoundingfatherspassionatelydefendedscientificandacademicfreedomandtheSupremeCourthastraditionallyhadahighregardforit.Butwhywouldtherighttoreadwriteandspeakasyoupleaseextendtotherighttoexperimentinthelab NeoconservativeslikeKasshaveemphasizedtheneedtomaintainafixedconceptionofhumannature.ButtheO.T.A.directlyaddressedthisina1981report."Eveniftherationale..wereexpandedtoincludesituationswhereknowledgethreatensfundamentalculturalvaluesaboutthenatureofmancontrolofresearchforsuchareasonprobablywouldnotbeconstitutionallypermissible." Thegovernmentcanrestrictspeechifitcanprovea"compellinginterest"likepublicsafetyornationalsecurity.Butcourtshavesetthatbarveryhigh.Unlikesayanexperimentthatreleasessmallpoxintothewindtostudyhowitspreadswhichcouldbebannedembryoresearchpresentsnoreadilyapparentdangertopublichealthorsecurity.Andifthat’sthecasescientistswhowishtocreatestemcellsbycloningmighthaveanewsourceofsuccor:theU.S.Constitution. TheauthorconsidersthatinthecaseofcloningexperimentstheFirstAmendment
Inaquietcourtroomtuckedawayinafederalbuildinghereatitanicbattleiscompetingfreespeechagainstgovernmenteffortstoprotectchildrenfromtheseeminglylimitlesspagesofpornographyincyberspace. TitledsimplyenoughtheAmericanLibraryAssociationv.theUnitedStatesofAmericanthetrialwilldeterminetheconstitutionalityoftheChildren’sInternetProtectionActCIPA. 46PassedbyCongressinDecember2000thelawrequiresalllibrariesthatreceivefederaltechnologyfundstoinstall"protectionmeasures"onallcomputersthathaveaccesstotheInternet.Inotherwordstheymusthaveblockingsoftwaretopreventyoungstersfromaccidentallyorevenintentionallygettingapeekatthemultitudeofhard-coresitesavailablewithjustafewwell-placedclicksonacomputerterminal. Tofree-speechadvocatesfromlibrarianstotheAmericanCivilLibertiesUnionit’sawell-intentionedbutdangerousassaultonAmerica’sFirstAmendmentfreedoms.47Theyarguethateventhebestblockingsoftwareissoflawedthatitwouldalsolimitadultaccesstoawidearrayofconstitutionallyprotectedspeech. "It’sveryeasytosuggestthatweallbelieveintheFirstAmendmentwejustwanttokeepourkidssafe"saysJohnBerrypresidentoftheAmericanLibraryAssociationinChicago.48"Butassoonasyoustartmakingthosekindsofconcessionsyoubegantoundermineoneofourfoundingprinciplesandyoucan’tsacrificethosekindsofthingsforalittletemporarysecurity." SupportersoftheInternetfilteringlawarguethattheFirstAmendmenthasnothingtodowithCIPAbecauseit’snothingmorethanafundingbill.Iflibrarieshaveobjectionstheysimplydon’thavetoacceptthefederalfundsuponwhichtheblockingsoftware’suseisconditioned. There’sthewholeissueoftheblockingsoftwareitself.Doesitworkornot49Onestudyofmorethan7000websitesthathadbeenblockedbythevarioussoftwarecompaniesfoundthatbetween65and70percentofthesiteswere"deemedtohavepotentialvalue"toalibraryuser. Astoworriesaboutoverblockingthelawnssupportersnotethelawallowsadultstoaskalibrariantoturnofftheblockingsoftware. 50Butthelibrariansarguethatthemandatoryfilterdoestakediscretionawayfromlibrariansandtheircommunitieswhichpayforabout80percentoftheaveragelibrary’sbudgetandgivesittothefederalgovernment. Afterthisthree-judgepanelrulesonesideortheotherisexpectedtofileanappealandthatwillgodirectlytotheSupremeCourt. Butassoonasyoustartmakingthosekindsofconcessionsyoubegantoundermineoneofourfoundingprinciplesandyoucan’tsacrificethosekindsofthingsforalittletemporarysecurity.
Inhis1979bookTheSinkingArkbiologistNormanMyersestimatedthat1ofmorethan100human-causedextinctionsoccureachdayandthatonemillionspecies2bythecentury’send.Yetthereislittleevidenceof3thatnumberofextinctions.Forexampleonlysevenspeciesonthe4specieslisthavebecomeextinct5thelistwascreatedin1973. Bio6isanimportantvalueaccordingtomanyscientists.Neverthelessthesupposedmassextinctionratesbandiedaboutare7bymultiplying8byimprobablestogetimponderables. Manyestimatesforinstancerelyagreatdealona"species-area9"whichpredictsthattwiceasmanyspecieswillbefoundon100squaremiles10ontensquaremiles.Theproblemisthatspeciesamnotdistributed11sohowmuchofaforestamdestroyedmaybeasimportantas12. 13saysArielLugodirectoroftheInternationalInstituteofTropicalForestryinPuertoRico"Biologistswhopredicthigh14rates15theresiliencyofnature". Oneofthemainmusesofextinctionsisdeforestation.AccordingtotheConsultativeGrouponInternationalAgriculturalResearchwhatdestroystropicaltreesisnotcommerciallogging16"poorfarmerswhohavenoother17forfeedingtheirfamiliesthanslashingandburninga18offorest". Incountriesthatpracticemodern19agricultureforestsarein20danger.In1920U.S.forestscovered732millionacres.Todaytheycover737million. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.20
Inaquietcourtroomtuckedawayinafederalbuildinghereatitanicbattleiscompetingfreespeechagainstgovernmenteffortstoprotectchildrenfromtheseeminglylimitlesspagesofpornographyincyberspace. TitledsimplyenoughtheAmericanLibraryAssociationv.theUnitedStatesofAmericanthetrialwilldeterminetheconstitutionalityoftheChildren’sInternetProtectionActCIPA. 46PassedbyCongressinDecember2000thelawrequiresalllibrariesthatreceivefederaltechnologyfundstoinstall"protectionmeasures"onallcomputersthathaveaccesstotheInternet.Inotherwordstheymusthaveblockingsoftwaretopreventyoungstersfromaccidentallyorevenintentionallygettingapeekatthemultitudeofhard-coresitesavailablewithjustafewwell-placedclicksonacomputerterminal. Tofree-speechadvocatesfromlibrarianstotheAmericanCivilLibertiesUnionit’sawell-intentionedbutdangerousassaultonAmerica’sFirstAmendmentfreedoms.47Theyarguethateventhebestblockingsoftwareissoflawedthatitwouldalsolimitadultaccesstoawidearrayofconstitutionallyprotectedspeech. "It’sveryeasytosuggestthatweallbelieveintheFirstAmendmentwejustwanttokeepourkidssafe"saysJohnBerrypresidentoftheAmericanLibraryAssociationinChicago.48"Butassoonasyoustartmakingthosekindsofconcessionsyoubegantoundermineoneofourfoundingprinciplesandyoucan’tsacrificethosekindsofthingsforalittletemporarysecurity." SupportersoftheInternetfilteringlawarguethattheFirstAmendmenthasnothingtodowithCIPAbecauseit’snothingmorethanafundingbill.Iflibrarieshaveobjectionstheysimplydon’thavetoacceptthefederalfundsuponwhichtheblockingsoftware’suseisconditioned. There’sthewholeissueoftheblockingsoftwareitself.Doesitworkornot49Onestudyofmorethan7000websitesthathadbeenblockedbythevarioussoftwarecompaniesfoundthatbetween65and70percentofthesiteswere"deemedtohavepotentialvalue"toalibraryuser. Astoworriesaboutoverblockingthelawnssupportersnotethelawallowsadultstoaskalibrariantoturnofftheblockingsoftware. 50Butthelibrariansarguethatthemandatoryfilterdoestakediscretionawayfromlibrariansandtheircommunitieswhichpayforabout80percentoftheaveragelibrary’sbudgetandgivesittothefederalgovernment. Afterthisthree-judgepanelrulesonesideortheotherisexpectedtofileanappealandthatwillgodirectlytotheSupremeCourt. Butthelibrariansarguethatthemandatoryfilterdoestakediscretionawayfromlibrariansandtheircommunitieswhichpayforabout80percentoftheaveragelibrary’sbudgetandgivesittothefederalgovernment.
Inhis1979bookTheSinkingArkbiologistNormanMyersestimatedthat1ofmorethan100human-causedextinctionsoccureachdayandthatonemillionspecies2bythecentury’send.Yetthereislittleevidenceof3thatnumberofextinctions.Forexampleonlysevenspeciesonthe4specieslisthavebecomeextinct5thelistwascreatedin1973. Bio6isanimportantvalueaccordingtomanyscientists.Neverthelessthesupposedmassextinctionratesbandiedaboutare7bymultiplying8byimprobablestogetimponderables. Manyestimatesforinstancerelyagreatdealona"species-area9"whichpredictsthattwiceasmanyspecieswillbefoundon100squaremiles10ontensquaremiles.Theproblemisthatspeciesamnotdistributed11sohowmuchofaforestamdestroyedmaybeasimportantas12. 13saysArielLugodirectoroftheInternationalInstituteofTropicalForestryinPuertoRico"Biologistswhopredicthigh14rates15theresiliencyofnature". Oneofthemainmusesofextinctionsisdeforestation.AccordingtotheConsultativeGrouponInternationalAgriculturalResearchwhatdestroystropicaltreesisnotcommerciallogging16"poorfarmerswhohavenoother17forfeedingtheirfamiliesthanslashingandburninga18offorest". Incountriesthatpracticemodern19agricultureforestsarein20danger.In1920U.S.forestscovered732millionacres.Todaytheycover737million. Readthefollowingtext.ChoosethebestwordsforeachnumberedblankandmarkABCorDonANSWERSHEET1.12
Text3 Withoutanoversizedcalendartackedtotheirkitchenwall-FernReissandherfamilycouldneverkeeptrackofallthemeetingsappointmentshome-schoolinglessonsandactivitiesthatfilltheirbusydays."I’mnotsuretheymakeacalendarlargeenoughforus"saysMs.ReissofNewtonMass.explainingthatherliferevolvesaround"twocompaniesthreechildrenaspousealotofcommunityinvolvementasociallifelthekids’sociallifeandvolunteeringinasoupkitcheneveryweek.""Everybodyweknowisleadingafreneticlife"sheadds.’"Oursisfrenetictoobutwe’respendingthebulkofourtimewithourkids.Eventhoughwe’rehavingacrazylifewe’rehavingitintherightway. Althoughextremebusynessishardlyanewphenomenonthesubjectisgettingrenewedattentionfromresearchers."Agoodlifehastodowithlifehavingadirectionlifehavinganarrativewiththestorieswetellourselves"ChuckDarrahananthropologistsays."Busynessfragmentsallthat.We’reabsolutelyfocusedongettingthroughthenexthourthenextdaythenextweek.Itdoesraisequestions:IfnotbusynesswhatIfweweren’tsobusywhatwouldwebedoingIfpeopleweren’tsobusywouldtheybeapoetapainter" FortheReissespartoflivingagoodlifehoweverbusymeansincludingthecouple’schildreninvolunteerworkandcommunityactivities."Wewantthekidstoseethatthat’sapriority"shesays. Betweenworkingfulltimeasapublicistcaringforherhomespendingtimewithherhusbandandextendedfamilyandhelpinghergrandmotherthreetimesaweekawomansays"Iamexhaustedallthetime."Likeotherssheconcedesthatshesets"somewhatunrealisticexpectations"forwhatshecanaccomplishinaday. BeingrealisticisagoalDarrahencouragessaying"Wecandoeverythingbutwecan’tdoeverythingwellandatthesametime."Hecautionsthatbusynesscanresultin"poordecisionssloppyqualityandneglectofthethingsandpeoplethatmattermostinthelongrun."Headvises:"Stoptakingonsomuchandkeepinperspectivewhat’smostimportanttoyou."Darrah’sownscheduleremainsfullbutheinsistshedoesnotfeelbusy.HissecretConfiningactivitiestothingshemustdoandthosehewantstodo.Heandhiswifedonotoverscheduletheirchildren.TothosewithoneeyeonthecalendarandtheotherontheclockDarrahoffersthisadvice:"Beforeyoutakeanythingonaskyourself:DoyouhavetodothisDoyouwanttodothisLivewithakindofmindfulnesssoyoudon’twakeupanddiscoverthatyourlifeisawhirloftransportationandcommunicationandyou’vehollowedyourselfout." Theexampleofthepublicistisusedtoshowmostpeople's
LetChinasleepforwhenshewakesshewillshaketheworld. UntilrecentlytheworldhappilyignoredNapoleon’swarning.ButChinaisnowshakingtheworld.TheUSwasthefirstcontinentalcapitalisteconomy.TheEuropeanUnionistryingtobecomeasecond.PotentiallyChinadwarfsthemboth.Alreadyitisabigandcontroversialpresenceintheglobaleconomy.Itsimpactiscertaintoincreasestillfurther.Fearisaninevitableresponsetothisgrowingupheaval.ButhowfarisitjustifiedAndwhatisthebestresponse 41TheamazingachievementsofChina’strade China’stradeperformancehasindeedbeenastonishing.Between1980and2002China’sshareinglobalexportsandimportsrosefrom1.2percentand1.1percentto5.2percentand4.2percentrespectively.From1993to2002thevolumeofChina’sexportsofgoodsroseatanannualrateof17.3percent. 42HowtoevaluatetheimpactofChina’strade ToassesstheimpactofChina’stradeonemuststartwithitscomparativeadvantageandtradepolicies. 43Chinahasreducedhertariffs In1992averagestatutorytariffsonmanufactureswere4t3.5percent.AfteraccessiontotheWorldTradeOrganizationthiswillbedownto6.9percent.Forprimaryproductsthedeclineisfrom22.3to3.6percent. 44Goodorbadnews Between1979and2001China’stermsoftrade-theratioofthepricesofitsexportstothoseofitsimports-fellby30percent.AsChina’sgrowthdrivesdowntherelativepriceofherexportscountriesthatcompeteinthirdmarketssufferdecliningprofitabilityandmarketshares.ButnetimportersofChina’sexportsandnetexportersofherimportsbenefit. 45TheeffectofdirectChinesecompetition GainsareevenavailabletocountriesthatwouldseemvulnerabletodirectChinesecompetition.ThereasonistheverticalintegrationofChineseproduction.In1998justunderaquarterofthevalueofChineseexportscontaineddirectandindirectimports.NotsurprisinglysuchproductionisparticularlyrelevanttoChina’sneighbors. HowshouldothercountriesrespondtotheChineseshock"Calmly"isthebestadvice.Thebiggestreasonforcalmcomesfromhistory.IfChinaispermittedtothriveasadynamicexporterofcheapmanufacturesitspeoplewillobtaintheprosperitytheywant.IfChinaisthwartedbyprotectionistbarriersitspeoplewillbecorrespondinglyfrustratedanddangerous.Thechallengesofaccommodatingawide-awakeChinawillbehuge.Buttheycanandmustberisento. [A]Chinaalsoreducedthecoverageofnon-tariffbarriersfrom32.5percentofimportsto21.6percentbetween1996and2001.ThisliberalizationfurtherincreasethecompetitivenessofChina’sexportsbecauseataxonimportsisalsoataxonexports. [B]AnotherWorldBankstudynotesforexamplethatbetween1985and2001exportsfromotherEastAsianemergingmarketeconomiestoChinagrewfrom59billionto835billion.In200115percentofEastAsiansexportstoChinaconsistedofpartsofofficemachinesandtelecommunicationsequipmentandelectronicmicrocircuitsallofwhichwereforassemblyandre-export. [C]IfcurrenttrendsweresustainedwhichisunlikelyChina’sexportswouldsurpassthoseoftheUSbyabout2010.Overthe12monthstomay2003Chineseexportsof3660billionweretheworld’sfourthlargestafterthoseoftheUSGermanyandJapan.Itsimportsat3230billionwerethesixthlargestbutwillsoonbebiggerthanthoseofJapantheUKandFrance. [D]Ingeneralcommodityexportersandexportersofsophisticatedgoodsandservicesgainwhileotherlaborabundantcountrieslose. [E]Chinanowenjoyssignificantforeigninvestmentinflows.Thevolumeofcapitalflowstodevelopingcountriesisdeterminedprimarilybyglobalconditionsnotbylocaleconomicperformance.Countriescanincreasetheirshareofthiscapitalbymanagingtheireconomieswellbutconditionsintherichcountrieswillalwaysmattermoreandthesearehardtopredict. [F]Theformerrestsonalmostlimitlesssuppliesofcheaplabor.Thelatterhavebecomeremarkablyliberal. 44
Inaquietcourtroomtuckedawayinafederalbuildinghereatitanicbattleiscompetingfreespeechagainstgovernmenteffortstoprotectchildrenfromtheseeminglylimitlesspagesofpornographyincyberspace. TitledsimplyenoughtheAmericanLibraryAssociationv.theUnitedStatesofAmericanthetrialwilldeterminetheconstitutionalityoftheChildren’sInternetProtectionActCIPA. 46PassedbyCongressinDecember2000thelawrequiresalllibrariesthatreceivefederaltechnologyfundstoinstall"protectionmeasures"onallcomputersthathaveaccesstotheInternet.Inotherwordstheymusthaveblockingsoftwaretopreventyoungstersfromaccidentallyorevenintentionallygettingapeekatthemultitudeofhard-coresitesavailablewithjustafewwell-placedclicksonacomputerterminal. Tofree-speechadvocatesfromlibrarianstotheAmericanCivilLibertiesUnionit’sawell-intentionedbutdangerousassaultonAmerica’sFirstAmendmentfreedoms.47Theyarguethateventhebestblockingsoftwareissoflawedthatitwouldalsolimitadultaccesstoawidearrayofconstitutionallyprotectedspeech. "It’sveryeasytosuggestthatweallbelieveintheFirstAmendmentwejustwanttokeepourkidssafe"saysJohnBerrypresidentoftheAmericanLibraryAssociationinChicago.48"Butassoonasyoustartmakingthosekindsofconcessionsyoubegantoundermineoneofourfoundingprinciplesandyoucan’tsacrificethosekindsofthingsforalittletemporarysecurity." SupportersoftheInternetfilteringlawarguethattheFirstAmendmenthasnothingtodowithCIPAbecauseit’snothingmorethanafundingbill.Iflibrarieshaveobjectionstheysimplydon’thavetoacceptthefederalfundsuponwhichtheblockingsoftware’suseisconditioned. There’sthewholeissueoftheblockingsoftwareitself.Doesitworkornot49Onestudyofmorethan7000websitesthathadbeenblockedbythevarioussoftwarecompaniesfoundthatbetween65and70percentofthesiteswere"deemedtohavepotentialvalue"toalibraryuser. Astoworriesaboutoverblockingthelawnssupportersnotethelawallowsadultstoaskalibrariantoturnofftheblockingsoftware. 50Butthelibrariansarguethatthemandatoryfilterdoestakediscretionawayfromlibrariansandtheircommunitieswhichpayforabout80percentoftheaveragelibrary’sbudgetandgivesittothefederalgovernment. Afterthisthree-judgepanelrulesonesideortheotherisexpectedtofileanappealandthatwillgodirectlytotheSupremeCourt. PassedbyCongressinDecember2000thelawrequiresalllibrariesthatreceivefederaltechnologyfundstoinstallprotectionmeasuresonallcomputersthathaveaccesstotheInternet.
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