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(C9T1WT2)Someexpertsbelievethatitisbetterforchildrentobeginlearningaforeignlanguageatprimaryschoolratherthansecondaryschool.Dotheadvantagesofthisoutweighthedisadvantages?Traditionally,childrenhavebegunstudyingforeignlanguagesatsecondaryschool,butintroducingthemearlierisrecommendedbysomeeducationalists.Thispolicyhasbeenadoptedbysomeeducationalauthoritiesorindividualschools,withbothpositiveandnegativeoutcomes.Theobviousargumentinitsfavoristhatyoungchildrenpickuplanguagesmuchmoreeasilythanteenagers.Theirbrainsarestillprogrammedtoacquiretheirmothertongue,whichfacilitateslearninganotherlanguage,andunlikeadolescents,theyarenotinhabitedbyself-consciousness.Thegreaterflexibilityoftheprimarytimetableallowsformorefrequent,shortersessionsandforaplay-centeredapproach,thusmaintaininglearners'enthusiasmandprogress.Theircommandofthelanguageinlaterlifewillbenefitfromthisearlyexposure,whilelearningotherlanguagessubsequentlywillbeeasierforthem.Theymayalsogainabetterunderstandingofothercultures.Theyare,however,somedisadvantages.Primaryschoolteachersaregeneralists,andmaynothavethenecessarylanguageskillsthemselves.Ifspecialistshavetobebroughtintodeliverthesesessions,theflexibilityreferredtoaboveisdiminished.ifprimarylanguageteachingisnotstandardized,secondaryschoolsintake,resultinginaclassroomexperiencewhichundoestheearliergains.Thereisnoadvantageifenthusiasticprimarypupilsbecomedemotivatedassoonastheychangeschools.However,theseissuescanbeaddressedstrategicallywithinthepolicyadopted.Anythingwhichencourageslanguagelearningbenefitssocietyculturallyandeconomically,andearlyexposuretolanguagelearningcontributestothis.Youngchildren'sinnateabilitiesshouldbeharnessedtomakethesebenefitsmoreachievable.C9T2WT1Thechartbelowshowsthetotalnumberofminutes(inbillions)oftelephonecallsintheUK,dividedintothreecategories,from1995-2002.Summarisetheinformationbyselectingandreportingthemainfeatures,andmakecomparisonswhererelevant.ThechartshowsthetimespentbyUKresidentsondifferenttypesoftelephonecallsbetween1995and2002.Localfixedlinecallswerethehighestthroughouttheperiod,risingfrom72billionminutesin1995tojustunder90billionin1998.Afterpeakingat90billionthefollowingyear,thesecallshadfallenbacktothe1995figureby2002.Nationalandinternationalfixedlinecallsgrewsteadilyfrom38billionto61billionattheendoftheperiodinquestion,thoughthegrowthslowedoverthelasttwoyears.Therewasadramaticincreaseinmobilecallsfrom2billionto46billionminutes.Thisrisewasparticularlynoticeablebetween1999and2002,duringwhichtimetheuseofmobilephonestripled.Tosumup,althoughlocalfixedlinecallswerestillthemostpopularin2002,thegapbetweenthethreecategorieshadnarrowedconsiderablyoverthesecondhalfoftheperiodinquestion.C9T3WT2Somepeoplesaythatthebestwaytoimprovepublichealthisbyincreasingthenumberofsportsfacilities.Others,however,saythatthiswouldhavelittleeffectonpublichealthandthatothermeasuresarerequired.Discussboththeseviewsandgiveyourownopinion.Aproblemofmodernsocietiesisthedeclininglevelofhealthinthegeneralpopulation,withconflictingviewsonhowtotacklethisworryingtrend.Onepossiblesolutionistoprovidemoresportsfacilitiestoencourageamoreactivelifestyle.Advocatesofthisbelievethattoday’ssedentarylifestyleandstressfulworkingconditionsmeanthatphysicalactivityisnolongerpartofeitherourworkorourleisuretime.Iftherewereeasy-toreachlocalsportscentres,wewouldbemorelikelytomakeexercisearegularpartofourlives,ratherthanjustcollapsinginfrontofascreeneveryevening.Thevarietyofsportsthatcouldbeofferedwouldcaterforallages,levelsoffitnessandinterests;thosewithpainfulmemoriesofPEatschoolmightbehappierintheswimmingpoolthanonthefootballpitch.However,theremaybebetterwaysoftacklingthisproblem.Interestinsportisnotuniversal,andadditionalfacilitiesmightsimplyattractthealreadyfit,notthosewhomostneedthem.Physicalactivitycouldbeencouragedrelativelycheaply,forexamplebyinstallingexerciseequipmentinparks,asmylocalcouncilhasdone.Thishastheaddedbenefitthatparentsandchildrenoftenusethemtogetherjustforfun,whichdevelopsapositiveattitudetoexerciseatanearlyage.Aswellasphysicalactivity,hightaxpenaltiescouldbeimposedonhigh-fatfoodproducts,tobaccoandalcohol,asexcessiveconsumptionofanyofthesecontributestopoorhealth.Evenimprovingpublictransportwouldhelp:ittakeslongertowalktothebusstopthantothecar.Inmyopinion,focusingonsportsfacilitiesistoonarrowanapproachandwouldnothavethedesiredresults.Peopleshouldbeencouragednotonlytobemorephysicallyactivebutalsotoadoptahealthierlifestyleingeneral.C9T4WT1Thegraphbelowgivesinformationfroma2008reportaboutconsumptionofenergyintheUSAsince1980withprojectionsuntil2030.ThegraphshowsenergyconsumptionintheUSfrom1980to2012,andprojectedconsumptionto2030.Petrolandoilarethedominantfuelsourcesthroughoutthisperiod,with35quadrillion(35q)unitsusedin1980，risingto42qin2012.Despitesomeinitialfluctuation,from1995therewasasteadyincrease.Thisisexpectedtocontinue,reaching47qin2030.Consumptionofenergyderivedfromnaturalgasandcoalissimilarovertheperiod.From20qand15qrespectivelyin1980，gasshowedaninitialfallandcoalagradualincrease，withthetwo