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设X服从正态分布N(0,22),而X1,X2,…,X15为来自总体X的简单随机样本,则随机变量所服从的分布为______。
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关于泊松分布错误的有
二项分布中,n很大,π根小,则可用泊松分布近似二项分布
泊松分布由均数唯一确定
泊松分布的均数越大,越接近正态分布
泊松分布的均数与标准差相等
如果x1服从均数为μ1的泊松分布,x2服从均数为μ2的泊松分布,则x1+x2服从均数为μ1+μ2的泊松分布
设随机变量X和Y都服从N01分布则下列叙述中正确的是
X+Y~正态分布
X2+Y2~X2分布
X2和Y2都~X2分布
分布
设随机变量X服从正态分布Nμ1.x1x2x10是取自总体X的10个样本值在显著性水平为α=0.
设总体X服从正态分布Nμσ2μσ2是未知参数x1x2x3xn是来自X的样本下列结论成立的是
A
B
C
D
设总体X~N9102X1X2X10是一组样本服从的分布是
N(9,10)
N(9,10
2
)
N(9,5)
N(9,2)
已知随机变量X和Y均服从正态分布N01则
X2+Y2服从X2(2)分布
X-Y服从N(0,2)分布
(X,-Y)不一定服从正态分布.
设X1X2Xn是正态分布X~Nμσ2的样本样本均值为样本方差为S2则统计量服从于
正态分布
t分布
χ
2
分布
F分布
设总体X服从正态分布N022而X1X2X15是来自总体X的简单随机样本则随机变量 服从分布参数为.
设总体X服从正态分布Nμ1σ2总体Y服从Nμ2σ2X1X2Xn1和Y1Y2Yn2分别是来自总体X和
设总体X服从正态Nμσ2分布X1X2X3Xn是来自正态总体X的样本 则A的值为.
A
B
C
D
设总体X服从正态分布Nμσ2μσ2是未知参数x1x2x3xn是来自X的样本下列结论成立的是
A
B
C
D
设总体X服从正态分布Nμσ22σ2已知x1x2x3xn是来自X的样本μ的极大似然估计是
A
B
C
D
设总体X~N9102X1X2X10是一组样本服从的分布是
N(9,10)
N(9,1)
N(9,10
2
)
N(9,3)
设随机变量X服从正态分布Nμ1.x1x2x10是取自总体X的10个样本值在显著性水平为α=0.
设随机变量X服从正态分布Nμ1.x1x2x10是取自总体X的10个样本值在显著性水平为α=0.
设总体X服从Nμσ2分布σ2未知X1X2Xn为样本记则服从的分布是
χ
2
(n-1)
χ
2
(n)
t(n-1)
t(n)
设二维随机变量XY的分布函数为Φ2x+1Φ2y-1其中Φx为标准正态分布函数则XY服从正态分布N__
设总体X服从正态分布Nμ1σ2总体Y服从正态分布Nμ2σ2X1X2Xn1和Y1Y2Yn2分别是来自
设总体X服从正态分布Nμσ2其中μ已知σ2未知X1X2X3为来自X的样本则下列表达式中不是统计量的是
X1+X2+2X3
max(X1,X2,X3)
X1+μ
若x1x2x3xn为n个相互独立的随机变量则下列说法正确的是.
x1,x2,x3,…,xn服从正态分布,且分布的参数相同,则
服从正态分布
x1,x2,x3,…,xn服从正态分布,且均值相同,方差不同,则
服从正态分布
只有当x1,x2,x3,…,xn服从正态分布时,其均值
才服从正态分布
无论x1,x2,x3,…,xn服从任何分布,其均值
都服从正态分布
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Inathree-monthperiodlastyeartwoBrooklyniteshadtobecutoutoftheirapartmentsandcarriedtohospitalonstretchersdesignedfortransportingsmallwhales.TheNationalAssociationtoAdvanceFatAcceptanceNAAFAarguesthatitwasnottheircombined900kgbulkthatmadethemill.ObesityaccordingtoNAAFAisnotbadforyou.Andevenifitwasthereisnothingtobedoneaboutitbecausegenesdictateweight.Attemptingtoeatlessmerelyslowsmetabolismhavingpeopleaschubbyasever.ThisisthefatlashmovementthatcausesAmerica’sslimmingindustrysomuchpain.InhisbookBinFatLiesBallantine1996GlennGaessersaysthatnostudyyethasconvincinglyshownthatweightisanindependentcauseofhealthproblems.Fatnessdoesnotkillpeople;thingslikehypertensioncoronaryheartdiseasesandcancerdo.MichaelFumentoauthorofTheFatoftheLandViking1997ananti-fatlashdiatribecomparesDrGaesser’slogicwithsayingthattheguillotinedidnotkillLouisXVI:Ratheritwastheseveringofhisvertebraethecuttingofallthebloodvesselsinhisneckand..thetraumacausedbyhisheaddroppingseveralfeetintoawickerbasket.Beingfatkillsinseveralways.Itmakespeoplefarmorelikelytosufferfromheartdiseaseorhighbloodpressure.Evenmoderateobesityincreasesthechanceofcontractingdiabetes.Being40%overweightmakespeople30%-50%morelikelytodieofcanceraccordingtotheAmericanCancerSociety.Extremefatnessmakespatientssomuchlesslikelytosurvivesurgerythatmanydoctorsrefusetooperateuntiltheyslim.Theideathatbeingoverweightiscausedbyobesitygenesisnotwhollyfalse:researchershavefoundanumberofgenesthatappeartomakesomepeoplebumoffenergyataslowerrate.Butgenesarenotdestiny.Thedifferencebetweensomeonewithageneticpredispositiontogainweightandsomeonewithoutappearstoberoughly40calories—oraspoonfulofmayonnaise—aday.AnalternativefatlashargumentadvancedinbookssuchasDeanOnrush’sEatMoreWeightLessHarperCollies1993andDateAtrens’sDon’tDietWilliamMorrow1978isthatfatnessisnotamatterofeatingtoomuch.TheynotethatasAmericans’weighthasballoonedoverthelastfewdecadestheirreportedcaloricintakehasplunged.Thissimplyexplainspeople’sownrecollectionofhowmuchtheyeatisextremelyunreliable.Andastheygrowfatterpeoplefeelguiltyandaremorelikelytofibabouthowmuchtheyeat.Allreputablestudiesshowthateatinglessandexercisingreduceweight.Certainlythebody’smetabolismslowsalittlewhenyouloseweightbecauseittakeslessenergytocarrylessbulkaroundandbecausedietingcanmakethebodyfearitisabouttostarve.Butasensiblelow-fatdietmakesweightlosspossible.Thefatlashmovementisdangerousbecauseslimmerswilloftenfindanyexcusetogiveup.Totellpeoplethatitishealthytobeobeseistoencouragethemtolivesickanddieyoung.ThetwoBrooklynitesinthefirstparagraphwere______.
Recalculatingtheglobaluseofphosphorusanimportantfertilizerelementofmodemagricultureateamofresearcherswarnsthattheworld’sstocksmaysoonbeinshortsupplyandthatoveruseintheindustrializedworldhasbecomealeadingcauseofthepollutionoflakesriversandstreams.WritingintheFeb.14editionofthejournalEnvironmentalResearchLettersStephenCarpenteroftheUniversityofWisconsin-MadisonandElenaBennettofMcGillUniversityreportthatthehumanuseofphosphorusprimarilyintheindustrializedworldiscausingthewidespreadeutrophicationoffreshsurfacewater.What’smoretheminableglobalstocksofphosphorusareconcentratedinjustafewcountriesandareindeclineposingtheriskofglobalshortageswithinthenext20years.ThereisafiniteamountofphosphorusintheworldsaysCarpenteroneoftheworld’sleadingauthoritiesonlakesandstreams.Thisisamaterialthat’sbecomingrarerandweneedtouseitmoreefficiently.Phosphorusisanessentialelementforlife.Livingorganismsincludinghumanshavesmallamountsandtheelementiscrucialfordrivingtheenergeticprocessesofcells.Inagriculturephosphorusminedfromancientmarinedepositsiswidelyusedtoboostcropyields.Theelementalsohasotherindustrialuses.Butexcessphosphorusfromfertilizerthatwashesfromfarmfieldsandsuburbanlawnsintolakesandstreamsistheprimarycauseofthealgaebloomsthatdestroyfreshwaterecosystemsariddegradewaterquality.Phosphoruspollutionposesarisktofishandotherwaterlifeaswellastotheanimalsandhumanswhodependoncleanfreshwater.Insomeinstancesexcessphosphorussparksbloomsoftoxicalgaewhichposeadirectthreattohumanandanimallife.IfyouhavetoomuchphosphorusyougeteutrophicationexplainsCarpenterofthecycleofexcessiveplantandalgaegrowththatsignificantlydegradesbodiesoffreshwater.Phosphorusstimulatesthegrowthofalgaeandweedsnearshoreandsomeofthealgaecancontaincyanobacteriawhicharetoxic.Youlosefish.Youlosewaterqualityfordrinking.Thefertilizer-fueledalgaebloomsthemselvesamplifytheproblemasthealgaedieandreleaseaccumulatedphosphorusbackintothewater.ComplicatingtheproblemsaysCarpenteristhefactthatexcessphosphorusintheenvironmentisaproblemprimarilyintheindustrializedworldmainlyEuropeNorthAmericaandpartsofAsia.InotherpartsoftheworldnotablyAfricaandAustraliasoilsarephosphoruspoorcreatingastarkimbalance.IronicallysoilsinplaceslikeNorthAmericawherefertilizerswithphosphorusaremostcommonlyappliedarealreadyloadedwiththeelement.BennettandCarpenterarguethatagriculturepracticestobetterconservephosphatewithinagriculturalecosystemsarenecessarytoavertthewidespreadpollutionofsurfacewaters.Phosphorusfrompartsoftheworldwheretheelementisabundanttheysaycanbemovedtophosphorusdeficientregionsoftheworldbyextractingphosphorusfrommanureforexampleusingmanuredigesters.Whatistheresultifthealgaeblooms
Whereverpeoplehavebeentheyhaveleftwastebehindwhichcancauseallsortsofproblems.Wasteoftenstinksattractsverminandcreateseyesores.Moreseriouslyitcanreleaseharmfulchemicalsintothesoilandwaterwhendumpedorintotheairwhenburned.Andthentherearesomereallynastyformsofindustrialwastesuchasspentnuclearfuelforwhichnouniversallyaccepteddisposalmethodshavethusfarbeendeveloped. Yetmanyalsoseewasteasanopportunity.Gettingridofitallhasbecomeahugeglobalbusiness.Richcountriesspendsome$120billionayeardisposingoftheirmunicipalwastealoneandanother$150billiononindustrialwaste.Theamountofwastethatcountriesproducetendstogrowintandemwiththeireconomiesandespeciallywiththerateofurbanization.SowastefirmsseearichfutureinplacessuchasChinaIndiaandBrazilwhichatpresentspendonlyabout$5billionayearcollectingandtreatingtheirmunicipalwaste. Wastealsopresentsanopportunityinagrandersense:asapotentialresource.Muchofitisalreadyburnedtogenerateenergy.Clevernewtechnologiestoturnitintofertiliserorchemicalsorfuelarebeingdevelopedallthetime.Visionariesseeaworldwithoutwastewithrubbishbeingroutinelyrecycled. Untillastsummersuchviewswerespreadingquickly.Butsincethenplummetingpricesforvirginpaperplasticandfuelsandhencealsoforthewastethatsubstitutesforthemhaveputanendtosuchvisions.Manyoftherecyclingfirmsthathadarguedrubbishwasonthewayoutnowsaythatunlesstheyaregivenfinancialhelptheythemselveswilldisappear. Subsidiesareabadidea.Governmentshavearoletoplayinthebusinessofwastemanagementbutitisaregulatoryandsupervisoryone.Theyshouldobligepeoplewhocreatewastetocleanupafterthemselvesandideallyensurethatthepriceofanyproductreflectsthecostofdisposingofitsafely.Thatwouldhelptosignalwhichitemsarehardesttogetridofgivingconsumersanincentivetobuygoodsthatcreatelesswasteinthefirstplace. Thatmaysoundsimpleenoughbutgovernmentsseldomgettherolesright.Inpoorercountriestheyoftenhavenorulesatalloriftheyhavethemtheyfailtoenforcethem.Inrichcountriestheyareofteninconsistent:toostrictaboutsomesortsofwasteandworryinglylaxaboutothers.Theyarealsopronetoimposingarbitrarytargetsandtaxes.Californiaforexamplewantstorecycleallitstrashnotbecauseitnecessarilymakesenvironmentaloreconomicsensebutbecausethegoalof"zerowaste"soundspoliticallyattractive. What’sthemainideaofthefirstparagraph
In1999thepriceofoilhoveredaround$16abarrel.By2008ithad1the$100abarrelmark.Thereasonsforthesurge2fromthedramaticgrowthoftheeconomiesofChinaandIndiatowidespread3inoil-producingregionsincludingIraqandNigeria’sdeltaregion.Triple-digitoilpriceshave4theeconomicandpoliticalmapoftheworld5someoldnotionsofpower.Oil-richnationsareenjoyinghistoricgainsandopportunities6majorimporters—includingChinaandIndiahometoathirdoftheworldspopulation—7risingeconomicandsocialcosts. Managingthisneworderisfastbecomingacentral8ofglobalpolitics.Countriesthatneedoilareclawingateachotherto9scarcesuppliesandarewillingtodealwithanygovernment10howun-pleasanttodoit. Inmanypoornationswithoiltheprofitsarebeinglosttocorruption11thesecountriesoftheirbesthopefordevelopment.Andoilisfuelingenormousinvestmentfundsrunbyforeigngovernments12someinthewestseeasanewthreat. CountrieslikeRussiaVenezuelaandIranarewellsuppliedwithrisingoil13achangereflectedinnewlyaggressiveforeignpolicies.Butsomeunexpectedcountriesarereapingbenefits14costsfromhigherprices.ConsideringGermany15itimportsvirtuallyallitsoilithasprosperedfromextensivetradewithaboomingRussiaandtheMiddleEast.GermanexportstoRussia16128percentfrom2001to2006. IntheUnitedStatesasalreadyhighgaspricesrose17higherinthespringof2008theissuecroppedupinthepresidentialcampaignwithSenatorsMcCainandObama18forafederalgastaxholidayduringthepeaksummerdrivingmonths.Anddrivinghabitsbeganto19assalesofsmallcarsjumpedandmasstransportsystems20thecountryreportedasharpincreaseinriders 5
In1999thepriceofoilhoveredaround$16abarrel.By2008ithad1the$100abarrelmark.Thereasonsforthesurge2fromthedramaticgrowthoftheeconomiesofChinaandIndiatowidespread3inoil-producingregionsincludingIraqandNigeria’sdeltaregion.Triple-digitoilpriceshave4theeconomicandpoliticalmapoftheworld5someoldnotionsofpower.Oil-richnationsareenjoyinghistoricgainsandopportunities6majorimporters—includingChinaandIndiahometoathirdoftheworldspopulation—7risingeconomicandsocialcosts. Managingthisneworderisfastbecomingacentral8ofglobalpolitics.Countriesthatneedoilareclawingateachotherto9scarcesuppliesandarewillingtodealwithanygovernment10howun-pleasanttodoit. Inmanypoornationswithoiltheprofitsarebeinglosttocorruption11thesecountriesoftheirbesthopefordevelopment.Andoilisfuelingenormousinvestmentfundsrunbyforeigngovernments12someinthewestseeasanewthreat. CountrieslikeRussiaVenezuelaandIranarewellsuppliedwithrisingoil13achangereflectedinnewlyaggressiveforeignpolicies.Butsomeunexpectedcountriesarereapingbenefits14costsfromhigherprices.ConsideringGermany15itimportsvirtuallyallitsoilithasprosperedfromextensivetradewithaboomingRussiaandtheMiddleEast.GermanexportstoRussia16128percentfrom2001to2006. IntheUnitedStatesasalreadyhighgaspricesrose17higherinthespringof2008theissuecroppedupinthepresidentialcampaignwithSenatorsMcCainandObama18forafederalgastaxholidayduringthepeaksummerdrivingmonths.Anddrivinghabitsbeganto19assalesofsmallcarsjumpedandmasstransportsystems20thecountryreportedasharpincreaseinriders 3
A.Internationalstudentshavethesameneedsaslocalstudentsandshouldbeaccordedequivalentrightsandprotections—exceptinafewareassuchasvotinginnationalelections.Amorecomprehensiveandrights-basedapproachtothesecurityofinternationalstudentscouldbeobtainedthroughbilateralnegotiationsbetweenthecountriesthatsendandreceivethem.ChinaIndiaMalaysiaandothernationsshouldseekasystematicregimeofprotectionandrespectfortheircitizenswhostudyinothercountries.Asapatternofbilateralnegotiationsbecameestablishedcommonglobalstandardscouldemerge.B.WhatdidwefindTheexperienceofinternationalstudentsdiffersfromthatoflocalstudentsinthreeways.Firstthelivesofinternationalstudentsaremoremarginallonelierandlessinformedthanthoseoftheirlocalpeers.SecondthemajorityofinternationalstudentsinAustraliafaceatleastsomebarrierstocommunicatinginEnglishthataffectnotjustacademicprogressbutalsodailylife.Problemsofabuseordiscriminationareoftenassociatedwithcommunicationsissues.Thirdtherearepronounceddifferencesbetweenlocalandinternationalstudentsinareaswhereculturalidentityareatplaynotjustincross-culturalrelationsbutinlookingforrentalhousingseekingajobandsoon.C.Nationalandstategovernmentsshouldalsosubsidizeaffordablehousingforamixofinternationalandlocalstudentsinareaswherestudentsstudyandwork.Thegovernmentsshouldalsorequireinspectionsofstudents’rentalhousing.Theyshouldprovidesupervisedtransportespeciallyatnight.Thepoliceshouldpatrolhotspotswhereviolenceisoccurringormightoccur.Internationalstudentsshouldreceiveadequateinformationaboutsafetyandsecurityuponarrivalintheirnewcountries.D.Wedefinedstudentsecurityasincludingthefullrangeofissuesaffectingtheempowermentandprotectionofinternationalstudents:financialsupporthousinghealthsafetyworkissuesandrelationswiththeiruniversitiesandthegovernment’simmigrationdepartment.Wealsolookedintointernationalstudents’personalnetworkscommunicationsandinterculturalissues.WeconductedtheempiricalworkforourstudyinAustraliabutourresearchandthatofotherscholarsshowthattheunderlyingissuesarecommontosomeextenttoallcountries.E.Thefundamentalproblemhoweverlieswithnations’regulatoryframeworkswhichshouldbemodifiedforaglobalizedworld.Wemustfindwaysofmovinginternational-studentsecurityupthepolicyagendaofnationalgovernmentsmultilateralforumsandglobalagencies.AustralianinternationaleducationforexampleisnowregulatedthroughtheEducationServicesforOverseasStudentsAct.Itimposesobligationsonproviderinstitutionsmostlyinrelationtoconsumerprotectionandimmigrationcompliance.Butsafetyoncampusisnotmentioned.Theactdoesnotcoverstudents’livesinthecommunityoutsidethecampuswheremostproblemsofsecurityoccur.F.Butdelvedeeperandyouwillfindthatalthoughmoststudentssucceedabroadandhavesatisfyingexperiencescertainlynotallofthemdo—andsomehavemajorproblemswhichcanrangefarbeyondlonelinessanddifficultiesadjustingtonewcultures.Someinternationalstudentsarevictimsofterriblecrimes.Unfortunatelytheirsecurityisnotadequatelyensuredbythecountrieswheretheystudywhichstilltreatthemasoutsidersandtheirrightsasprivilegesthatcanbeignored.Eventhoughglobalmobilityineducationhasrenderedsuchanapproachobsoletenationalregulationshavenotkeptpace.G.WhatshouldbedonetoimprovethesafetyandsecurityofinternationalstudentsForthemsecuritymeansnotonlyprotectionbutalsothecapacitytooperateasfreehumanagentsmakingchoices.Formanyinternationalstudentsacquiringcommunicationskillsisalmostasimportantasacquiringdegrees.UniversitiesinEnglish-speakingcountriesshouldmakeEnglish-languagecommunicationaformalrequirementfordegreestatus.
TheTreasurycouldpocket20millionayearinextrafinesoncethecountry’sspeedcameranetworkisexpanded.Motoringorganizationswarnedthatthe1couldbecomeapolltaxonwheels2hugenumberofdrivers.Therecouldbemanymoreincidentsofvandalism3cameras.Thewarningscame4aDailyMailsurveyfoundalmostallthe23policeforcesinEnglandandWaleswereeither5toexpansionplansorconsidering6. Nationwidethenumberofspeedingticketsisexpectedtotreble790millionayear.8theschemepolicekeepsomeofthecashfromfinesto9thecostsoffittingandmaintainingextracamerasand10thatexistingonesalwayshavefilminthem.TherestwillgototheTreasury.BothMinistersandpoliceinsisttheschemeisaimed11atmakingroadssafer.Theypointtotrialsineightareaswhichcutcollisionsbyaquarteranddeathsandseriousinjuriesby12ahalf. Butmotoringorganizationsfearcameraswillbesitedonrelativelysafe13faststretchestocatchasmanydriversaspossible.Someforcesarealsoexpectedto14the"threshold"speedsatwhichcamerasare15totheabsolutelegalminimum-15mphina10mphlimitand26mphina20mphzone.Thiscouldencouragedriverstostareattheirspeedometersinsteadofconcentratingontheroadand16tomoreaccidents.SueNicholsonheadofcampaignsattheRACsaid"Wedon’thaveaproblemwithspeedcameras17.Butwedohaveconcernsabout18theyaresited.Policerisklosingcredibility19motoristsifcamerasareseenasrevenue-raising20safetydevices./ 3
Whereverpeoplehavebeentheyhaveleftwastebehindwhichcancauseallsortsofproblems.Wasteoftenstinksattractsverminandcreateseyesores.Moreseriouslyitcanreleaseharmfulchemicalsintothesoilandwaterwhendumpedorintotheairwhenburned.Andthentherearesomereallynastyformsofindustrialwastesuchasspentnuclearfuelforwhichnouniversallyaccepteddisposalmethodshavethusfarbeendeveloped.Yetmanyalsoseewasteasanopportunity.Gettingridofitallhasbecomeahugeglobalbusiness.Richcountriesspendsome$120billionayeardisposingoftheirmunicipalwastealoneandanother$150billiononindustrialwaste.Theamountofwastethatcountriesproducetendstogrowintandemwiththeireconomiesandespeciallywiththerateofurbanization.SowastefirmsseearichfutureinplacessuchasChinaIndiaandBrazilwhichatpresentspendonlyabout$5billionayearcollectingandtreatingtheirmunicipalwaste.Wastealsopresentsanopportunityinagrandersense:asapotentialresource.Muchofitisalreadyburnedtogenerateenergy.Clevernewtechnologiestoturnitintofertiliserorchemicalsorfuelarebeingdevelopedallthetime.Visionariesseeaworldwithoutwastewithrubbishbeingroutinelyrecycled.Untillastsummersuchviewswerespreadingquickly.Butsincethenplummetingpricesforvirginpaperplasticandfuelsandhencealsoforthewastethatsubstitutesforthemhaveputanendtosuchvisions.Manyoftherecyclingfirmsthathadarguedrubbishwasonthewayoutnowsaythatunlesstheyaregivenfinancialhelptheythemselveswilldisappear.Subsidiesareabadidea.Governmentshavearoletoplayinthebusinessofwastemanagementbutitisaregulatoryandsupervisoryone.Theyshouldobligepeoplewhocreatewastetocleanupafterthemselvesandideallyensurethatthepriceofanyproductreflectsthecostofdisposingofitsafely.Thatwouldhelptosignalwhichitemsarehardesttogetridofgivingconsumersanincentivetobuygoodsthatcreatelesswasteinthefirstplace.Thatmaysoundsimpleenoughbutgovernmentsseldomgettherolesright.Inpoorercountriestheyoftenhavenorulesatalloriftheyhavethemtheyfailtoenforcethem.Inrichcountriestheyareofteninconsistent:toostrictaboutsomesortsofwasteandworryinglylaxaboutothers.Theyarealsopronetoimposingarbitrarytargetsandtaxes.Californiaforexamplewantstorecycleallitstrashnotbecauseitnecessarilymakesenvironmentaloreconomicsensebutbecausethegoalofzerowastesoundspoliticallyattractive.Whichofthefollowingistrueaccordingtothelastparagraph
In1999thepriceofoilhoveredaround$16abarrel.By2008ithad1the$100abarrelmark.Thereasonsforthesurge2fromthedramaticgrowthoftheeconomiesofChinaandIndiatowidespread3inoil-producingregionsincludingIraqandNigeria’sdeltaregion.Triple-digitoilpriceshave4theeconomicandpoliticalmapoftheworld5someoldnotionsofpower.Oil-richnationsareenjoyinghistoricgainsandopportunities6majorimporters—includingChinaandIndiahometoathirdoftheworldspopulation—7risingeconomicandsocialcosts. Managingthisneworderisfastbecomingacentral8ofglobalpolitics.Countriesthatneedoilareclawingateachotherto9scarcesuppliesandarewillingtodealwithanygovernment10howun-pleasanttodoit. Inmanypoornationswithoiltheprofitsarebeinglosttocorruption11thesecountriesoftheirbesthopefordevelopment.Andoilisfuelingenormousinvestmentfundsrunbyforeigngovernments12someinthewestseeasanewthreat. CountrieslikeRussiaVenezuelaandIranarewellsuppliedwithrisingoil13achangereflectedinnewlyaggressiveforeignpolicies.Butsomeunexpectedcountriesarereapingbenefits14costsfromhigherprices.ConsideringGermany15itimportsvirtuallyallitsoilithasprosperedfromextensivetradewithaboomingRussiaandtheMiddleEast.GermanexportstoRussia16128percentfrom2001to2006. IntheUnitedStatesasalreadyhighgaspricesrose17higherinthespringof2008theissuecroppedupinthepresidentialcampaignwithSenatorsMcCainandObama18forafederalgastaxholidayduringthepeaksummerdrivingmonths.Anddrivinghabitsbeganto19assalesofsmallcarsjumpedandmasstransportsystems20thecountryreportedasharpincreaseinriders 11
TheTreasurycouldpocket20millionayearinextrafinesoncethecountry’sspeedcameranetworkisexpanded.Motoringorganizationswarnedthatthe1couldbecomeapolltaxonwheels2hugenumberofdrivers.Therecouldbemanymoreincidentsofvandalism3cameras.Thewarningscame4aDailyMailsurveyfoundalmostallthe23policeforcesinEnglandandWaleswereeither5toexpansionplansorconsidering6. Nationwidethenumberofspeedingticketsisexpectedtotreble790millionayear.8theschemepolicekeepsomeofthecashfromfinesto9thecostsoffittingandmaintainingextracamerasand10thatexistingonesalwayshavefilminthem.TherestwillgototheTreasury.BothMinistersandpoliceinsisttheschemeisaimed11atmakingroadssafer.Theypointtotrialsineightareaswhichcutcollisionsbyaquarteranddeathsandseriousinjuriesby12ahalf. Butmotoringorganizationsfearcameraswillbesitedonrelativelysafe13faststretchestocatchasmanydriversaspossible.Someforcesarealsoexpectedto14the"threshold"speedsatwhichcamerasare15totheabsolutelegalminimum-15mphina10mphlimitand26mphina20mphzone.Thiscouldencouragedriverstostareattheirspeedometersinsteadofconcentratingontheroadand16tomoreaccidents.SueNicholsonheadofcampaignsattheRACsaid"Wedon’thaveaproblemwithspeedcameras17.Butwedohaveconcernsabout18theyaresited.Policerisklosingcredibility19motoristsifcamerasareseenasrevenue-raising20safetydevices./ 7
In1999thepriceofoilhoveredaround$16abarrel.By2008ithad1the$100abarrelmark.Thereasonsforthesurge2fromthedramaticgrowthoftheeconomiesofChinaandIndiatowidespread3inoil-producingregionsincludingIraqandNigeria’sdeltaregion.Triple-digitoilpriceshave4theeconomicandpoliticalmapoftheworld5someoldnotionsofpower.Oil-richnationsareenjoyinghistoricgainsandopportunities6majorimporters—includingChinaandIndiahometoathirdoftheworldspopulation—7risingeconomicandsocialcosts. Managingthisneworderisfastbecomingacentral8ofglobalpolitics.Countriesthatneedoilareclawingateachotherto9scarcesuppliesandarewillingtodealwithanygovernment10howun-pleasanttodoit. Inmanypoornationswithoiltheprofitsarebeinglosttocorruption11thesecountriesoftheirbesthopefordevelopment.Andoilisfuelingenormousinvestmentfundsrunbyforeigngovernments12someinthewestseeasanewthreat. CountrieslikeRussiaVenezuelaandIranarewellsuppliedwithrisingoil13achangereflectedinnewlyaggressiveforeignpolicies.Butsomeunexpectedcountriesarereapingbenefits14costsfromhigherprices.ConsideringGermany15itimportsvirtuallyallitsoilithasprosperedfromextensivetradewithaboomingRussiaandtheMiddleEast.GermanexportstoRussia16128percentfrom2001to2006. IntheUnitedStatesasalreadyhighgaspricesrose17higherinthespringof2008theissuecroppedupinthepresidentialcampaignwithSenatorsMcCainandObama18forafederalgastaxholidayduringthepeaksummerdrivingmonths.Anddrivinghabitsbeganto19assalesofsmallcarsjumpedandmasstransportsystems20thecountryreportedasharpincreaseinriders 17
TheissueofonlineprivacyintheInternetagefoundnewurgencyfollowingtheSept.11terroristattackssparkingdebateoverstrikingthecorrectbalancebetweenprotectingcivillibertiesandattemptingtopreventanothertragicterroristact.Whilepreventingterrorismcertainlyisofparamountimportanceprivacyrightsshouldnotbedeemedirrelevant.InresponsetotheattacksCongressquicklypassedlegislationthatincludedprovisionsexpandingrightsofinvestigatorstointerceptwireoralandelectroniccommunicationsofallegedhackersandterrorists.CivillibertiesgroupsexpressedconcernsovertheprovisionsandurgedcautioninensuringthateffortstoprotectournationdonotresultinbroadgovernmentauthoritytoerodeprivacyrightsofU.S.citizens.NeverthelesscausingfurtherconcerntocivillibertiesgroupstheDepartmentofJusticeproposedexceptionstotheattorney-clientprivilege.OnOct.30AttorneyGeneralJohnAshcroftapprovedaninterimagencyrulethatwouldpermitfederalprisonauthoritiestomonitorwireandelectroniccommunicationsbetweenlawyersandtheirclientsinfederalcustodyincludingthosewhohavebeendetainedbutnotchargedwithanycrimewheneversurveillanceisdeemednecessarytopreventviolenceorterrorism.Inlightofthisbroadeningefforttoreachintocommunicationsthatwerepreviouslybelievedtobeoff-limitstheissueofonlineprivacyisnowanevenmorepressingconcern.CongresshastakensomelegislativestepstowardensuringonlineprivacyincludingtheChildren’sOnlinePrivacyProtectionActandprovidedprivacyprotectionsforcertainsectorsthroughlegislationsuchastheFinancialServicesModernizationAct.Thelegislationpassedtodatedoesnothoweverprovideastatutoryschemeforprotectinggeneralonlineconsumerprivacy.Lackingdefinitivefederallawsomestatespassedtheirownmeasures.Butmuchofthislegislationisincompleteornotenforced.Moreoveritbecomesunworkablewhenstatescreatedifferentprivacystandards;theInternetdoesnotknowgeographicboundariesandcompaniesandindividualscannotbeexpectedtocomplywithdifferingandattimesconflictingprivacyrules.Ananalysisearlierthisyearof751U.S.andinternationalWebsitesconductedbyConsumersInternationalfoundthatmostsitescollectpersonalinformationbutfailtotellconsumershowthatdatawillbeusedhowsecurityismaintainedandwhatrightsconsumershaveovertheirowninformation.AtaminimumCongressshouldpasslegislationrequiringWebsitestodisplayprivacypoliciesprominentlyinformconsumersofthemethodsemployedtocollectclientdataallowcustomerstooptoutOfsuchdatacollectionandprovidecustomeraccesstotheirowndatathathasalreadybeencollected.AlthoughvariousInternetprivacybillswereintroducedinthe107thCongressthefocusshiftedtoexpandinggovernmentsurveillanceinthewakeoftheterroristattacks.Plainlygovernmenteffortstopreventterrorismareappropriate.Exactlyhowtheseexigentcircumstanceschangethenatureoftheonlineprivacydebateisstilltobeseen.Theauthorimpliesinthesecondparagraphthat______.
TheTreasurycouldpocket20millionayearinextrafinesoncethecountry’sspeedcameranetworkisexpanded.Motoringorganizationswarnedthatthe1couldbecomeapolltaxonwheels2hugenumberofdrivers.Therecouldbemanymoreincidentsofvandalism3cameras.Thewarningscame4aDailyMailsurveyfoundalmostallthe23policeforcesinEnglandandWaleswereeither5toexpansionplansorconsidering6. Nationwidethenumberofspeedingticketsisexpectedtotreble790millionayear.8theschemepolicekeepsomeofthecashfromfinesto9thecostsoffittingandmaintainingextracamerasand10thatexistingonesalwayshavefilminthem.TherestwillgototheTreasury.BothMinistersandpoliceinsisttheschemeisaimed11atmakingroadssafer.Theypointtotrialsineightareaswhichcutcollisionsbyaquarteranddeathsandseriousinjuriesby12ahalf. Butmotoringorganizationsfearcameraswillbesitedonrelativelysafe13faststretchestocatchasmanydriversaspossible.Someforcesarealsoexpectedto14the"threshold"speedsatwhichcamerasare15totheabsolutelegalminimum-15mphina10mphlimitand26mphina20mphzone.Thiscouldencouragedriverstostareattheirspeedometersinsteadofconcentratingontheroadand16tomoreaccidents.SueNicholsonheadofcampaignsattheRACsaid"Wedon’thaveaproblemwithspeedcameras17.Butwedohaveconcernsabout18theyaresited.Policerisklosingcredibility19motoristsifcamerasareseenasrevenue-raising20safetydevices./ 1
Inathree-monthperiodlastyeartwoBrooklyniteshadtobecutoutoftheirapartmentsandcarriedtohospitalonstretchersdesignedfortransportingsmallwhales.TheNationalAssociationtoAdvanceFatAcceptanceNAAFAarguesthatitwasnottheircombined900kgbulkthatmadethemill.ObesityaccordingtoNAAFAisnotbadforyou.Andevenifitwasthereisnothingtobedoneaboutitbecausegenesdictateweight.Attemptingtoeatlessmerelyslowsmetabolismhavingpeopleaschubbyasever.ThisisthefatlashmovementthatcausesAmerica’sslimmingindustrysomuchpain.InhisbookBinFatLiesBallantine1996GlennGaessersaysthatnostudyyethasconvincinglyshownthatweightisanindependentcauseofhealthproblems.Fatnessdoesnotkillpeople;thingslikehypertensioncoronaryheartdiseasesandcancerdo.MichaelFumentoauthorofTheFatoftheLandViking1997ananti-fatlashdiatribecomparesDrGaesser’slogicwithsayingthattheguillotinedidnotkillLouisXVI:Ratheritwastheseveringofhisvertebraethecuttingofallthebloodvesselsinhisneckand..thetraumacausedbyhisheaddroppingseveralfeetintoawickerbasket.Beingfatkillsinseveralways.Itmakespeoplefarmorelikelytosufferfromheartdiseaseorhighbloodpressure.Evenmoderateobesityincreasesthechanceofcontractingdiabetes.Being40%overweightmakespeople30%-50%morelikelytodieofcanceraccordingtotheAmericanCancerSociety.Extremefatnessmakespatientssomuchlesslikelytosurvivesurgerythatmanydoctorsrefusetooperateuntiltheyslim.Theideathatbeingoverweightiscausedbyobesitygenesisnotwhollyfalse:researchershavefoundanumberofgenesthatappeartomakesomepeoplebumoffenergyataslowerrate.Butgenesarenotdestiny.Thedifferencebetweensomeonewithageneticpredispositiontogainweightandsomeonewithoutappearstoberoughly40calories—oraspoonfulofmayonnaise—aday.AnalternativefatlashargumentadvancedinbookssuchasDeanOnrush’sEatMoreWeightLessHarperCollies1993andDateAtrens’sDon’tDietWilliamMorrow1978isthatfatnessisnotamatterofeatingtoomuch.TheynotethatasAmericans’weighthasballoonedoverthelastfewdecadestheirreportedcaloricintakehasplunged.Thissimplyexplainspeople’sownrecollectionofhowmuchtheyeatisextremelyunreliable.Andastheygrowfatterpeoplefeelguiltyandaremorelikelytofibabouthowmuchtheyeat.Allreputablestudiesshowthateatinglessandexercisingreduceweight.Certainlythebody’smetabolismslowsalittlewhenyouloseweightbecauseittakeslessenergytocarrylessbulkaroundandbecausedietingcanmakethebodyfearitisabouttostarve.Butasensiblelow-fatdietmakesweightlosspossible.Thefatlashmovementisdangerousbecauseslimmerswilloftenfindanyexcusetogiveup.Totellpeoplethatitishealthytobeobeseistoencouragethemtolivesickanddieyoung.Whatcanbeconcludedaccordingtotheauthor’sviewoftheobesitygenes
Directions:WritealettertoyourcousinwhoisgoingtotaketheCollegeEntranceExaminationandfeelsstressedgivinghimsomesuggestions.Writeyourletterwithnolessthan100words.Donotsignyournameattheendoftheletter.Use"LiMing"instead.Donotwritetheaddress.
TheissueofonlineprivacyintheInternetagefoundnewurgencyfollowingtheSept.11terroristattackssparkingdebateoverstrikingthecorrectbalancebetweenprotectingcivillibertiesandattemptingtopreventanothertragicterroristact.Whilepreventingterrorismcertainlyisofparamountimportanceprivacyrightsshouldnotbedeemedirrelevant.InresponsetotheattacksCongressquicklypassedlegislationthatincludedprovisionsexpandingrightsofinvestigatorstointerceptwireoralandelectroniccommunicationsofallegedhackersandterrorists.CivillibertiesgroupsexpressedconcernsovertheprovisionsandurgedcautioninensuringthateffortstoprotectournationdonotresultinbroadgovernmentauthoritytoerodeprivacyrightsofU.S.citizens.NeverthelesscausingfurtherconcerntocivillibertiesgroupstheDepartmentofJusticeproposedexceptionstotheattorney-clientprivilege.OnOct.30AttorneyGeneralJohnAshcroftapprovedaninterimagencyrulethatwouldpermitfederalprisonauthoritiestomonitorwireandelectroniccommunicationsbetweenlawyersandtheirclientsinfederalcustodyincludingthosewhohavebeendetainedbutnotchargedwithanycrimewheneversurveillanceisdeemednecessarytopreventviolenceorterrorism.Inlightofthisbroadeningefforttoreachintocommunicationsthatwerepreviouslybelievedtobeoff-limitstheissueofonlineprivacyisnowanevenmorepressingconcern.CongresshastakensomelegislativestepstowardensuringonlineprivacyincludingtheChildren’sOnlinePrivacyProtectionActandprovidedprivacyprotectionsforcertainsectorsthroughlegislationsuchastheFinancialServicesModernizationAct.Thelegislationpassedtodatedoesnothoweverprovideastatutoryschemeforprotectinggeneralonlineconsumerprivacy.Lackingdefinitivefederallawsomestatespassedtheirownmeasures.Butmuchofthislegislationisincompleteornotenforced.Moreoveritbecomesunworkablewhenstatescreatedifferentprivacystandards;theInternetdoesnotknowgeographicboundariesandcompaniesandindividualscannotbeexpectedtocomplywithdifferingandattimesconflictingprivacyrules.Ananalysisearlierthisyearof751U.S.andinternationalWebsitesconductedbyConsumersInternationalfoundthatmostsitescollectpersonalinformationbutfailtotellconsumershowthatdatawillbeusedhowsecurityismaintainedandwhatrightsconsumershaveovertheirowninformation.AtaminimumCongressshouldpasslegislationrequiringWebsitestodisplayprivacypoliciesprominentlyinformconsumersofthemethodsemployedtocollectclientdataallowcustomerstooptoutOfsuchdatacollectionandprovidecustomeraccesstotheirowndatathathasalreadybeencollected.AlthoughvariousInternetprivacybillswereintroducedinthe107thCongressthefocusshiftedtoexpandinggovernmentsurveillanceinthewakeoftheterroristattacks.Plainlygovernmenteffortstopreventterrorismareappropriate.Exactlyhowtheseexigentcircumstanceschangethenatureoftheonlineprivacydebateisstilltobeseen.Privacystandardsmadebyindividualstatesareineffectivebecause______.
A.Internationalstudentshavethesameneedsaslocalstudentsandshouldbeaccordedequivalentrightsandprotections—exceptinafewareassuchasvotinginnationalelections.Amorecomprehensiveandrights-basedapproachtothesecurityofinternationalstudentscouldbeobtainedthroughbilateralnegotiationsbetweenthecountriesthatsendandreceivethem.ChinaIndiaMalaysiaandothernationsshouldseekasystematicregimeofprotectionandrespectfortheircitizenswhostudyinothercountries.Asapatternofbilateralnegotiationsbecameestablishedcommonglobalstandardscouldemerge.B.WhatdidwefindTheexperienceofinternationalstudentsdiffersfromthatoflocalstudentsinthreeways.Firstthelivesofinternationalstudentsaremoremarginallonelierandlessinformedthanthoseoftheirlocalpeers.SecondthemajorityofinternationalstudentsinAustraliafaceatleastsomebarrierstocommunicatinginEnglishthataffectnotjustacademicprogressbutalsodailylife.Problemsofabuseordiscriminationareoftenassociatedwithcommunicationsissues.Thirdtherearepronounceddifferencesbetweenlocalandinternationalstudentsinareaswhereculturalidentityareatplaynotjustincross-culturalrelationsbutinlookingforrentalhousingseekingajobandsoon.C.Nationalandstategovernmentsshouldalsosubsidizeaffordablehousingforamixofinternationalandlocalstudentsinareaswherestudentsstudyandwork.Thegovernmentsshouldalsorequireinspectionsofstudents’rentalhousing.Theyshouldprovidesupervisedtransportespeciallyatnight.Thepoliceshouldpatrolhotspotswhereviolenceisoccurringormightoccur.Internationalstudentsshouldreceiveadequateinformationaboutsafetyandsecurityuponarrivalintheirnewcountries.D.Wedefinedstudentsecurityasincludingthefullrangeofissuesaffectingtheempowermentandprotectionofinternationalstudents:financialsupporthousinghealthsafetyworkissuesandrelationswiththeiruniversitiesandthegovernment’simmigrationdepartment.Wealsolookedintointernationalstudents’personalnetworkscommunicationsandinterculturalissues.WeconductedtheempiricalworkforourstudyinAustraliabutourresearchandthatofotherscholarsshowthattheunderlyingissuesarecommontosomeextenttoallcountries.E.Thefundamentalproblemhoweverlieswithnations’regulatoryframeworkswhichshouldbemodifiedforaglobalizedworld.Wemustfindwaysofmovinginternational-studentsecurityupthepolicyagendaofnationalgovernmentsmultilateralforumsandglobalagencies.AustralianinternationaleducationforexampleisnowregulatedthroughtheEducationServicesforOverseasStudentsAct.Itimposesobligationsonproviderinstitutionsmostlyinrelationtoconsumerprotectionandimmigrationcompliance.Butsafetyoncampusisnotmentioned.Theactdoesnotcoverstudents’livesinthecommunityoutsidethecampuswheremostproblemsofsecurityoccur.F.Butdelvedeeperandyouwillfindthatalthoughmoststudentssucceedabroadandhavesatisfyingexperiencescertainlynotallofthemdo—andsomehavemajorproblemswhichcanrangefarbeyondlonelinessanddifficultiesadjustingtonewcultures.Someinternationalstudentsarevictimsofterriblecrimes.Unfortunatelytheirsecurityisnotadequatelyensuredbythecountrieswheretheystudywhichstilltreatthemasoutsidersandtheirrightsasprivilegesthatcanbeignored.Eventhoughglobalmobilityineducationhasrenderedsuchanapproachobsoletenationalregulationshavenotkeptpace.G.WhatshouldbedonetoimprovethesafetyandsecurityofinternationalstudentsForthemsecuritymeansnotonlyprotectionbutalsothecapacitytooperateasfreehumanagentsmakingchoices.Formanyinternationalstudentsacquiringcommunicationskillsisalmostasimportantasacquiringdegrees.UniversitiesinEnglish-speakingcountriesshouldmakeEnglish-languagecommunicationaformalrequirementfordegreestatus.
Whereverpeoplehavebeentheyhaveleftwastebehindwhichcancauseallsortsofproblems.Wasteoftenstinksattractsverminandcreateseyesores.Moreseriouslyitcanreleaseharmfulchemicalsintothesoilandwaterwhendumpedorintotheairwhenburned.Andthentherearesomereallynastyformsofindustrialwastesuchasspentnuclearfuelforwhichnouniversallyaccepteddisposalmethodshavethusfarbeendeveloped.Yetmanyalsoseewasteasanopportunity.Gettingridofitallhasbecomeahugeglobalbusiness.Richcountriesspendsome$120billionayeardisposingoftheirmunicipalwastealoneandanother$150billiononindustrialwaste.Theamountofwastethatcountriesproducetendstogrowintandemwiththeireconomiesandespeciallywiththerateofurbanization.SowastefirmsseearichfutureinplacessuchasChinaIndiaandBrazilwhichatpresentspendonlyabout$5billionayearcollectingandtreatingtheirmunicipalwaste.Wastealsopresentsanopportunityinagrandersense:asapotentialresource.Muchofitisalreadyburnedtogenerateenergy.Clevernewtechnologiestoturnitintofertiliserorchemicalsorfuelarebeingdevelopedallthetime.Visionariesseeaworldwithoutwastewithrubbishbeingroutinelyrecycled.Untillastsummersuchviewswerespreadingquickly.Butsincethenplummetingpricesforvirginpaperplasticandfuelsandhencealsoforthewastethatsubstitutesforthemhaveputanendtosuchvisions.Manyoftherecyclingfirmsthathadarguedrubbishwasonthewayoutnowsaythatunlesstheyaregivenfinancialhelptheythemselveswilldisappear.Subsidiesareabadidea.Governmentshavearoletoplayinthebusinessofwastemanagementbutitisaregulatoryandsupervisoryone.Theyshouldobligepeoplewhocreatewastetocleanupafterthemselvesandideallyensurethatthepriceofanyproductreflectsthecostofdisposingofitsafely.Thatwouldhelptosignalwhichitemsarehardesttogetridofgivingconsumersanincentivetobuygoodsthatcreatelesswasteinthefirstplace.Thatmaysoundsimpleenoughbutgovernmentsseldomgettherolesright.Inpoorercountriestheyoftenhavenorulesatalloriftheyhavethemtheyfailtoenforcethem.Inrichcountriestheyareofteninconsistent:toostrictaboutsomesortsofwasteandworryinglylaxaboutothers.Theyarealsopronetoimposingarbitrarytargetsandtaxes.Californiaforexamplewantstorecycleallitstrashnotbecauseitnecessarilymakesenvironmentaloreconomicsensebutbecausethegoalofzerowastesoundspoliticallyattractive.Manyrecyclingfirmsaredisappointednowforthereasonthat______.
In1999thepriceofoilhoveredaround$16abarrel.By2008ithad1the$100abarrelmark.Thereasonsforthesurge2fromthedramaticgrowthoftheeconomiesofChinaandIndiatowidespread3inoil-producingregionsincludingIraqandNigeria’sdeltaregion.Triple-digitoilpriceshave4theeconomicandpoliticalmapoftheworld5someoldnotionsofpower.Oil-richnationsareenjoyinghistoricgainsandopportunities6majorimporters—includingChinaandIndiahometoathirdoftheworldspopulation—7risingeconomicandsocialcosts. Managingthisneworderisfastbecomingacentral8ofglobalpolitics.Countriesthatneedoilareclawingateachotherto9scarcesuppliesandarewillingtodealwithanygovernment10howun-pleasanttodoit. Inmanypoornationswithoiltheprofitsarebeinglosttocorruption11thesecountriesoftheirbesthopefordevelopment.Andoilisfuelingenormousinvestmentfundsrunbyforeigngovernments12someinthewestseeasanewthreat. CountrieslikeRussiaVenezuelaandIranarewellsuppliedwithrisingoil13achangereflectedinnewlyaggressiveforeignpolicies.Butsomeunexpectedcountriesarereapingbenefits14costsfromhigherprices.ConsideringGermany15itimportsvirtuallyallitsoilithasprosperedfromextensivetradewithaboomingRussiaandtheMiddleEast.GermanexportstoRussia16128percentfrom2001to2006. IntheUnitedStatesasalreadyhighgaspricesrose17higherinthespringof2008theissuecroppedupinthepresidentialcampaignwithSenatorsMcCainandObama18forafederalgastaxholidayduringthepeaksummerdrivingmonths.Anddrivinghabitsbeganto19assalesofsmallcarsjumpedandmasstransportsystems20thecountryreportedasharpincreaseinriders 13
TheTreasurycouldpocket20millionayearinextrafinesoncethecountry’sspeedcameranetworkisexpanded.Motoringorganizationswarnedthatthe1couldbecomeapolltaxonwheels2hugenumberofdrivers.Therecouldbemanymoreincidentsofvandalism3cameras.Thewarningscame4aDailyMailsurveyfoundalmostallthe23policeforcesinEnglandandWaleswereeither5toexpansionplansorconsidering6. Nationwidethenumberofspeedingticketsisexpectedtotreble790millionayear.8theschemepolicekeepsomeofthecashfromfinesto9thecostsoffittingandmaintainingextracamerasand10thatexistingonesalwayshavefilminthem.TherestwillgototheTreasury.BothMinistersandpoliceinsisttheschemeisaimed11atmakingroadssafer.Theypointtotrialsineightareaswhichcutcollisionsbyaquarteranddeathsandseriousinjuriesby12ahalf. Butmotoringorganizationsfearcameraswillbesitedonrelativelysafe13faststretchestocatchasmanydriversaspossible.Someforcesarealsoexpectedto14the"threshold"speedsatwhichcamerasare15totheabsolutelegalminimum-15mphina10mphlimitand26mphina20mphzone.Thiscouldencouragedriverstostareattheirspeedometersinsteadofconcentratingontheroadand16tomoreaccidents.SueNicholsonheadofcampaignsattheRACsaid"Wedon’thaveaproblemwithspeedcameras17.Butwedohaveconcernsabout18theyaresited.Policerisklosingcredibility19motoristsifcamerasareseenasrevenue-raising20safetydevices./ 9
Societyexiststhroughaprocessoftransmission.Thistransmissionoccursbymeansofcommunicationofhabitsofdoingthinkingandfeelingfromtheoldertotheyounger.Soobviousisthenecessityofteachingandlearningforthecontinuedexistenceofasocietythatwemayseemtobedwellingexcessivelyonaself-evidenttruth.Butjustificationisfoundinthefactthatsuchemphasisisameansofgettingusawayfromanundulyscholasticandformalnotionofeducation.Schoolsareindeedoneimportantmethodofthetransmissionwhichformsthedispositionsoftheimmature;butitisonlyonemeansandcomparedwithotheragenciesarelativelysuperficialmeans.Onlyaswehavegraspedthenecessityofmorefundamentalandpersistentmodesoftuitioncanwemakesureofplacingthescholasticmethodsintheirtruecontext.Societynotonlycontinuestoexistbytransmissionbycommunicationbutitmayfairlybesaidtoexistintransmissionincommunication.Allcommunicationandhenceallgenuinesociallifeiseducative.Tobearecipientofacommunicationistohaveanenlargedandchangedexperience.Onesharesinwhatanotherhasthoughtandfeltandinsofarmeagerlyoramplyhashisownattitudemodified.Noristheonewhocommunicatesleftunaffected.Trytheexperimentofcommunicatingwithfullnessandaccuracysomeexperiencetoanotherespeciallyifitbesomewhatcomplicatedandyouwillfindyourownattitudetowardyourexperiencechanging;otherwiseyouresorttoswearwordsandexclamations.Theexperiencehastobeformulatedinordertobecommunicated.ToformulaterequiresgettingoutsideofitseeingitasanotherwouldseeitconsideringwhatpointsOfcontactithaswiththelifeofanothersothatitmaybegotintosuchformthathecanappreciateitsmeaning.Exceptindealingwithcommonplacesandcatchphrasesonehastoassimilateimaginativelysomethingofanother’sexperienceinordertotellhimintelligentlyofone’sownexperience.Allcommunicationislikeart.Itmayfairlybesaidthereforethatanysocialarrangementthatremainsvitallysocialorvitallysharediseducativetothosewhoparticipateinit.Onlywhenitbecomescastinamoldandrunsinaroutinewaydoesitloseitseducativepower.
In1999thepriceofoilhoveredaround$16abarrel.By2008ithad1the$100abarrelmark.Thereasonsforthesurge2fromthedramaticgrowthoftheeconomiesofChinaandIndiatowidespread3inoil-producingregionsincludingIraqandNigeria’sdeltaregion.Triple-digitoilpriceshave4theeconomicandpoliticalmapoftheworld5someoldnotionsofpower.Oil-richnationsareenjoyinghistoricgainsandopportunities6majorimporters—includingChinaandIndiahometoathirdoftheworldspopulation—7risingeconomicandsocialcosts. Managingthisneworderisfastbecomingacentral8ofglobalpolitics.Countriesthatneedoilareclawingateachotherto9scarcesuppliesandarewillingtodealwithanygovernment10howun-pleasanttodoit. Inmanypoornationswithoiltheprofitsarebeinglosttocorruption11thesecountriesoftheirbesthopefordevelopment.Andoilisfuelingenormousinvestmentfundsrunbyforeigngovernments12someinthewestseeasanewthreat. CountrieslikeRussiaVenezuelaandIranarewellsuppliedwithrisingoil13achangereflectedinnewlyaggressiveforeignpolicies.Butsomeunexpectedcountriesarereapingbenefits14costsfromhigherprices.ConsideringGermany15itimportsvirtuallyallitsoilithasprosperedfromextensivetradewithaboomingRussiaandtheMiddleEast.GermanexportstoRussia16128percentfrom2001to2006. IntheUnitedStatesasalreadyhighgaspricesrose17higherinthespringof2008theissuecroppedupinthepresidentialcampaignwithSenatorsMcCainandObama18forafederalgastaxholidayduringthepeaksummerdrivingmonths.Anddrivinghabitsbeganto19assalesofsmallcarsjumpedandmasstransportsystems20thecountryreportedasharpincreaseinriders 19
Recalculatingtheglobaluseofphosphorusanimportantfertilizerelementofmodemagricultureateamofresearcherswarnsthattheworld’sstocksmaysoonbeinshortsupplyandthatoveruseintheindustrializedworldhasbecomealeadingcauseofthepollutionoflakesriversandstreams. WritingintheFeb.14editionofthejournalEnvironmentalResearchLettersStephenCarpenteroftheUniversityofWisconsin-MadisonandElenaBennettofMcGillUniversityreportthatthehumanuseofphosphorusprimarilyintheindustrializedworldiscausingthewidespreadeutrophicationoffreshsurfacewater.What’smoretheminableglobalstocksofphosphorusareconcentratedinjustafewcountriesandareindeclineposingtheriskofglobalshortageswithinthenext20years."Thereisafiniteamountofphosphorusintheworld"saysCarpenteroneoftheworld’sleadingauthoritiesonlakesandstreams."Thisisamaterialthat’sbecomingrarerandweneedtouseitmoreefficiently." Phosphorusisanessentialelementforlife.Livingorganismsincludinghumanshavesmallamountsandtheelementiscrucialfordrivingtheenergeticprocessesofcells.Inagriculturephosphorusminedfromancientmarinedepositsiswidelyusedtoboostcropyields.Theelementalsohasotherindustrialuses. Butexcessphosphorusfromfertilizerthatwashesfromfarmfieldsandsuburbanlawnsintolakesandstreamsistheprimarycauseofthealgaebloomsthatdestroyfreshwaterecosystemsariddegradewaterquality.Phosphoruspollutionposesarisktofishandotherwaterlifeaswellastotheanimalsandhumanswhodependoncleanfreshwater.Insomeinstancesexcessphosphorussparksbloomsoftoxicalgaewhichposeadirectthreattohumanandanimallife. "Ifyouhavetoomuchphosphorusyougeteutrophication"explainsCarpenterofthecycleofexcessiveplantandalgaegrowththatsignificantlydegradesbodiesoffreshwater."Phosphorusstimulatesthegrowthofalgaeandweedsnearshoreandsomeofthealgaecancontaincyanobacteriawhicharetoxic.Youlosefish.Youlosewaterqualityfordrinking."Thefertilizer-fueledalgaebloomsthemselvesamplifytheproblemasthealgaedieandreleaseaccumulatedphosphorusbackintothewater. ComplicatingtheproblemsaysCarpenteristhefactthatexcessphosphorusintheenvironmentisaproblemprimarilyintheindustrializedworldmainlyEuropeNorthAmericaandpartsofAsia.InotherpartsoftheworldnotablyAfricaandAustraliasoilsarephosphoruspoorcreatingastarkimbalance.IronicallysoilsinplaceslikeNorthAmericawherefertilizerswithphosphorusaremostcommonlyappliedarealreadyloadedwiththeelement.BennettandCarpenterarguethatagriculturepracticestobetterconservephosphatewithinagriculturalecosystemsarenecessarytoavertthewidespreadpollutionofsurfacewaters.Phosphorusfrompartsoftheworldwheretheelementisabundanttheysaycanbemovedtophosphorusdeficientregionsoftheworldbyextractingphosphorusfrommanureforexampleusingmanuredigesters. Thewordeutrophicationline3Para.2mostprobablymeans
Inathree-monthperiodlastyeartwoBrooklyniteshadtobecutoutoftheirapartmentsandcarriedtohospitalonstretchersdesignedfortransportingsmallwhales.TheNationalAssociationtoAdvanceFatAcceptanceNAAFAarguesthatitwasnottheircombined900kgbulkthatmadethemill.ObesityaccordingtoNAAFAisnotbadforyou.Andevenifitwasthereisnothingtobedoneaboutitbecausegenesdictateweight.Attemptingtoeatlessmerelyslowsmetabolismhavingpeopleaschubbyasever.ThisisthefatlashmovementthatcausesAmerica’sslimmingindustrysomuchpain.InhisbookBinFatLiesBallantine1996GlennGaessersaysthatnostudyyethasconvincinglyshownthatweightisanindependentcauseofhealthproblems.Fatnessdoesnotkillpeople;thingslikehypertensioncoronaryheartdiseasesandcancerdo.MichaelFumentoauthorofTheFatoftheLandViking1997ananti-fatlashdiatribecomparesDrGaesser’slogicwithsayingthattheguillotinedidnotkillLouisXVI:Ratheritwastheseveringofhisvertebraethecuttingofallthebloodvesselsinhisneckand..thetraumacausedbyhisheaddroppingseveralfeetintoawickerbasket.Beingfatkillsinseveralways.Itmakespeoplefarmorelikelytosufferfromheartdiseaseorhighbloodpressure.Evenmoderateobesityincreasesthechanceofcontractingdiabetes.Being40%overweightmakespeople30%-50%morelikelytodieofcanceraccordingtotheAmericanCancerSociety.Extremefatnessmakespatientssomuchlesslikelytosurvivesurgerythatmanydoctorsrefusetooperateuntiltheyslim.Theideathatbeingoverweightiscausedbyobesitygenesisnotwhollyfalse:researchershavefoundanumberofgenesthatappeartomakesomepeoplebumoffenergyataslowerrate.Butgenesarenotdestiny.Thedifferencebetweensomeonewithageneticpredispositiontogainweightandsomeonewithoutappearstoberoughly40calories—oraspoonfulofmayonnaise—aday.AnalternativefatlashargumentadvancedinbookssuchasDeanOnrush’sEatMoreWeightLessHarperCollies1993andDateAtrens’sDon’tDietWilliamMorrow1978isthatfatnessisnotamatterofeatingtoomuch.TheynotethatasAmericans’weighthasballoonedoverthelastfewdecadestheirreportedcaloricintakehasplunged.Thissimplyexplainspeople’sownrecollectionofhowmuchtheyeatisextremelyunreliable.Andastheygrowfatterpeoplefeelguiltyandaremorelikelytofibabouthowmuchtheyeat.Allreputablestudiesshowthateatinglessandexercisingreduceweight.Certainlythebody’smetabolismslowsalittlewhenyouloseweightbecauseittakeslessenergytocarrylessbulkaroundandbecausedietingcanmakethebodyfearitisabouttostarve.Butasensiblelow-fatdietmakesweightlosspossible.Thefatlashmovementisdangerousbecauseslimmerswilloftenfindanyexcusetogiveup.Totellpeoplethatitishealthytobeobeseistoencouragethemtolivesickanddieyoung.Whichofthefollowingstatementsistrue
A.Internationalstudentshavethesameneedsaslocalstudentsandshouldbeaccordedequivalentrightsandprotections—exceptinafewareassuchasvotinginnationalelections.Amorecomprehensiveandrights-basedapproachtothesecurityofinternationalstudentscouldbeobtainedthroughbilateralnegotiationsbetweenthecountriesthatsendandreceivethem.ChinaIndiaMalaysiaandothernationsshouldseekasystematicregimeofprotectionandrespectfortheircitizenswhostudyinothercountries.Asapatternofbilateralnegotiationsbecameestablishedcommonglobalstandardscouldemerge.B.WhatdidwefindTheexperienceofinternationalstudentsdiffersfromthatoflocalstudentsinthreeways.Firstthelivesofinternationalstudentsaremoremarginallonelierandlessinformedthanthoseoftheirlocalpeers.SecondthemajorityofinternationalstudentsinAustraliafaceatleastsomebarrierstocommunicatinginEnglishthataffectnotjustacademicprogressbutalsodailylife.Problemsofabuseordiscriminationareoftenassociatedwithcommunicationsissues.Thirdtherearepronounceddifferencesbetweenlocalandinternationalstudentsinareaswhereculturalidentityareatplaynotjustincross-culturalrelationsbutinlookingforrentalhousingseekingajobandsoon.C.Nationalandstategovernmentsshouldalsosubsidizeaffordablehousingforamixofinternationalandlocalstudentsinareaswherestudentsstudyandwork.Thegovernmentsshouldalsorequireinspectionsofstudents’rentalhousing.Theyshouldprovidesupervisedtransportespeciallyatnight.Thepoliceshouldpatrolhotspotswhereviolenceisoccurringormightoccur.Internationalstudentsshouldreceiveadequateinformationaboutsafetyandsecurityuponarrivalintheirnewcountries.D.Wedefinedstudentsecurityasincludingthefullrangeofissuesaffectingtheempowermentandprotectionofinternationalstudents:financialsupporthousinghealthsafetyworkissuesandrelationswiththeiruniversitiesandthegovernment’simmigrationdepartment.Wealsolookedintointernationalstudents’personalnetworkscommunicationsandinterculturalissues.WeconductedtheempiricalworkforourstudyinAustraliabutourresearchandthatofotherscholarsshowthattheunderlyingissuesarecommontosomeextenttoallcountries.E.Thefundamentalproblemhoweverlieswithnations’regulatoryframeworkswhichshouldbemodifiedforaglobalizedworld.Wemustfindwaysofmovinginternational-studentsecurityupthepolicyagendaofnationalgovernmentsmultilateralforumsandglobalagencies.AustralianinternationaleducationforexampleisnowregulatedthroughtheEducationServicesforOverseasStudentsAct.Itimposesobligationsonproviderinstitutionsmostlyinrelationtoconsumerprotectionandimmigrationcompliance.Butsafetyoncampusisnotmentioned.Theactdoesnotcoverstudents’livesinthecommunityoutsidethecampuswheremostproblemsofsecurityoccur.F.Butdelvedeeperandyouwillfindthatalthoughmoststudentssucceedabroadandhavesatisfyingexperiencescertainlynotallofthemdo—andsomehavemajorproblemswhichcanrangefarbeyondlonelinessanddifficultiesadjustingtonewcultures.Someinternationalstudentsarevictimsofterriblecrimes.Unfortunatelytheirsecurityisnotadequatelyensuredbythecountrieswheretheystudywhichstilltreatthemasoutsidersandtheirrightsasprivilegesthatcanbeignored.Eventhoughglobalmobilityineducationhasrenderedsuchanapproachobsoletenationalregulationshavenotkeptpace.G.WhatshouldbedonetoimprovethesafetyandsecurityofinternationalstudentsForthemsecuritymeansnotonlyprotectionbutalsothecapacitytooperateasfreehumanagentsmakingchoices.Formanyinternationalstudentsacquiringcommunicationskillsisalmostasimportantasacquiringdegrees.UniversitiesinEnglish-speakingcountriesshouldmakeEnglish-languagecommunicationaformalrequirementfordegreestatus.
In1999thepriceofoilhoveredaround$16abarrel.By2008ithad1the$100abarrelmark.Thereasonsforthesurge2fromthedramaticgrowthoftheeconomiesofChinaandIndiatowidespread3inoil-producingregionsincludingIraqandNigeria’sdeltaregion.Triple-digitoilpriceshave4theeconomicandpoliticalmapoftheworld5someoldnotionsofpower.Oil-richnationsareenjoyinghistoricgainsandopportunities6majorimporters—includingChinaandIndiahometoathirdoftheworldspopulation—7risingeconomicandsocialcosts. Managingthisneworderisfastbecomingacentral8ofglobalpolitics.Countriesthatneedoilareclawingateachotherto9scarcesuppliesandarewillingtodealwithanygovernment10howun-pleasanttodoit. Inmanypoornationswithoiltheprofitsarebeinglosttocorruption11thesecountriesoftheirbesthopefordevelopment.Andoilisfuelingenormousinvestmentfundsrunbyforeigngovernments12someinthewestseeasanewthreat. CountrieslikeRussiaVenezuelaandIranarewellsuppliedwithrisingoil13achangereflectedinnewlyaggressiveforeignpolicies.Butsomeunexpectedcountriesarereapingbenefits14costsfromhigherprices.ConsideringGermany15itimportsvirtuallyallitsoilithasprosperedfromextensivetradewithaboomingRussiaandtheMiddleEast.GermanexportstoRussia16128percentfrom2001to2006. IntheUnitedStatesasalreadyhighgaspricesrose17higherinthespringof2008theissuecroppedupinthepresidentialcampaignwithSenatorsMcCainandObama18forafederalgastaxholidayduringthepeaksummerdrivingmonths.Anddrivinghabitsbeganto19assalesofsmallcarsjumpedandmasstransportsystems20thecountryreportedasharpincreaseinriders 7
In1999thepriceofoilhoveredaround$16abarrel.By2008ithad1the$100abarrelmark.Thereasonsforthesurge2fromthedramaticgrowthoftheeconomiesofChinaandIndiatowidespread3inoil-producingregionsincludingIraqandNigeria’sdeltaregion.Triple-digitoilpriceshave4theeconomicandpoliticalmapoftheworld5someoldnotionsofpower.Oil-richnationsareenjoyinghistoricgainsandopportunities6majorimporters—includingChinaandIndiahometoathirdoftheworldspopulation—7risingeconomicandsocialcosts. Managingthisneworderisfastbecomingacentral8ofglobalpolitics.Countriesthatneedoilareclawingateachotherto9scarcesuppliesandarewillingtodealwithanygovernment10howun-pleasanttodoit. Inmanypoornationswithoiltheprofitsarebeinglosttocorruption11thesecountriesoftheirbesthopefordevelopment.Andoilisfuelingenormousinvestmentfundsrunbyforeigngovernments12someinthewestseeasanewthreat. CountrieslikeRussiaVenezuelaandIranarewellsuppliedwithrisingoil13achangereflectedinnewlyaggressiveforeignpolicies.Butsomeunexpectedcountriesarereapingbenefits14costsfromhigherprices.ConsideringGermany15itimportsvirtuallyallitsoilithasprosperedfromextensivetradewithaboomingRussiaandtheMiddleEast.GermanexportstoRussia16128percentfrom2001to2006. IntheUnitedStatesasalreadyhighgaspricesrose17higherinthespringof2008theissuecroppedupinthepresidentialcampaignwithSenatorsMcCainandObama18forafederalgastaxholidayduringthepeaksummerdrivingmonths.Anddrivinghabitsbeganto19assalesofsmallcarsjumpedandmasstransportsystems20thecountryreportedasharpincreaseinriders 9
In1999thepriceofoilhoveredaround$16abarrel.By2008ithad1the$100abarrelmark.Thereasonsforthesurge2fromthedramaticgrowthoftheeconomiesofChinaandIndiatowidespread3inoil-producingregionsincludingIraqandNigeria’sdeltaregion.Triple-digitoilpriceshave4theeconomicandpoliticalmapoftheworld5someoldnotionsofpower.Oil-richnationsareenjoyinghistoricgainsandopportunities6majorimporters—includingChinaandIndiahometoathirdoftheworldspopulation—7risingeconomicandsocialcosts. Managingthisneworderisfastbecomingacentral8ofglobalpolitics.Countriesthatneedoilareclawingateachotherto9scarcesuppliesandarewillingtodealwithanygovernment10howun-pleasanttodoit. Inmanypoornationswithoiltheprofitsarebeinglosttocorruption11thesecountriesoftheirbesthopefordevelopment.Andoilisfuelingenormousinvestmentfundsrunbyforeigngovernments12someinthewestseeasanewthreat. CountrieslikeRussiaVenezuelaandIranarewellsuppliedwithrisingoil13achangereflectedinnewlyaggressiveforeignpolicies.Butsomeunexpectedcountriesarereapingbenefits14costsfromhigherprices.ConsideringGermany15itimportsvirtuallyallitsoilithasprosperedfromextensivetradewithaboomingRussiaandtheMiddleEast.GermanexportstoRussia16128percentfrom2001to2006. IntheUnitedStatesasalreadyhighgaspricesrose17higherinthespringof2008theissuecroppedupinthepresidentialcampaignwithSenatorsMcCainandObama18forafederalgastaxholidayduringthepeaksummerdrivingmonths.Anddrivinghabitsbeganto19assalesofsmallcarsjumpedandmasstransportsystems20thecountryreportedasharpincreaseinriders 15
Societyexiststhroughaprocessoftransmission.Thistransmissionoccursbymeansofcommunicationofhabitsofdoingthinkingandfeelingfromtheoldertotheyounger.Soobviousisthenecessityofteachingandlearningforthecontinuedexistenceofasocietythatwemayseemtobedwellingexcessivelyonaself-evidenttruth.Butjustificationisfoundinthefactthatsuchemphasisisameansofgettingusawayfromanundulyscholasticandformalnotionofeducation.Schoolsareindeedoneimportantmethodofthetransmissionwhichformsthedispositionsoftheimmature;butitisonlyonemeansandcomparedwithotheragenciesarelativelysuperficialmeans.Onlyaswehavegraspedthenecessityofmorefundamentalandpersistentmodesoftuitioncanwemakesureofplacingthescholasticmethodsintheirtruecontext.Societynotonlycontinuestoexistbytransmissionbycommunicationbutitmayfairlybesaidtoexistintransmissionincommunication.Allcommunicationandhenceallgenuinesociallifeiseducative.Tobearecipientofacommunicationistohaveanenlargedandchangedexperience.Onesharesinwhatanotherhasthoughtandfeltandinsofarmeagerlyoramplyhashisownattitudemodified.Noristheonewhocommunicatesleftunaffected.Trytheexperimentofcommunicatingwithfullnessandaccuracysomeexperiencetoanotherespeciallyifitbesomewhatcomplicatedandyouwillfindyourownattitudetowardyourexperiencechanging;otherwiseyouresorttoswearwordsandexclamations.Theexperiencehastobeformulatedinordertobecommunicated.ToformulaterequiresgettingoutsideofitseeingitasanotherwouldseeitconsideringwhatpointsOfcontactithaswiththelifeofanothersothatitmaybegotintosuchformthathecanappreciateitsmeaning.Exceptindealingwithcommonplacesandcatchphrasesonehastoassimilateimaginativelysomethingofanother’sexperienceinordertotellhimintelligentlyofone’sownexperience.Allcommunicationislikeart.Itmayfairlybesaidthereforethatanysocialarrangementthatremainsvitallysocialorvitallysharediseducativetothosewhoparticipateinit.Onlywhenitbecomescastinamoldandrunsinaroutinewaydoesitloseitseducativepower.
TheTreasurycouldpocket20millionayearinextrafinesoncethecountry’sspeedcameranetworkisexpanded.Motoringorganizationswarnedthatthe1couldbecomeapolltaxonwheels2hugenumberofdrivers.Therecouldbemanymoreincidentsofvandalism3cameras.Thewarningscame4aDailyMailsurveyfoundalmostallthe23policeforcesinEnglandandWaleswereeither5toexpansionplansorconsidering6. Nationwidethenumberofspeedingticketsisexpectedtotreble790millionayear.8theschemepolicekeepsomeofthecashfromfinesto9thecostsoffittingandmaintainingextracamerasand10thatexistingonesalwayshavefilminthem.TherestwillgototheTreasury.BothMinistersandpoliceinsisttheschemeisaimed11atmakingroadssafer.Theypointtotrialsineightareaswhichcutcollisionsbyaquarteranddeathsandseriousinjuriesby12ahalf. Butmotoringorganizationsfearcameraswillbesitedonrelativelysafe13faststretchestocatchasmanydriversaspossible.Someforcesarealsoexpectedto14the"threshold"speedsatwhichcamerasare15totheabsolutelegalminimum-15mphina10mphlimitand26mphina20mphzone.Thiscouldencouragedriverstostareattheirspeedometersinsteadofconcentratingontheroadand16tomoreaccidents.SueNicholsonheadofcampaignsattheRACsaid"Wedon’thaveaproblemwithspeedcameras17.Butwedohaveconcernsabout18theyaresited.Policerisklosingcredibility19motoristsifcamerasareseenasrevenue-raising20safetydevices./ 5
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