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Adult Education ? ?1. Voluntary learning in organized courses by mature men and women is called adul...
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A.Necessityfordevelopingadulteducation??B.Earlyday
A.Necessityfordevelopingadulteducation??B.Earlyday
??阅读下面这篇短文短文后有2项测试任务11～4题要求从所给的6个选项中为第 1～4段每段选择1个
阅读下面这篇短文短文后有2项测试任务1第23-26题要求从所给的6个选项中为第2-5段每段选择1个最
AdultEducation1Voluntarylearninginorganizedcourses
阅读下面的短文并从方框中的A.-F中为每段文字选出最佳标题选项中有一项为多余项A.Necessity
AdultEducation??1.Voluntarylearninginorganizedcour
AdultEducation??1.Voluntarylearninginorganizedcour
AdultEducation??1.Voluntarylearninginorganizedcour
阅读下面这篇短文短文后有2项测试任务1第23-26题要求从所给的6个选项中为第2-5段每段选择1个最
阅读下面这篇短文短文后有2项测试任务1第23-26题要求从所给的6个选项中为第2-5段每段选择1个最
阅读下面这篇短文短文后有2项测试任务1第23-26题要求从所给的6个选项中为第2-5段每段选择1个最
AdultEducationVoluntarylearninginorganizedcoursesb
??阅读下面这篇短文短文后有2项测试任务11～4题要求从所给的6个选项中为第 1～4段每段选择1个
??阅读下面这篇短文短文后有2项测试任务11～4题要求从所给的6个选项中为第 1～4段每段选择1个
A.Necessityfordevelopingadulteducation??B.Earlyday
AdultEducation??1.Voluntarylearninginorganizedcour
AdultEducation??1.Voluntarylearninginorganizedcour
A.Necessityfordevelopingadulteducation??B.Earlyday
AdultEducation??1.Voluntarylearninginorganizedcour
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Mostofthepioneersoflow-temperaturephysicsexpectedgasestoliquefybutnoneofthempredictedsuperconductivity.Thisphenomenonwasdiscoveredin1911byOnneswhilehewasstudyingfrozenmercury. Morethan40yearspassedbeforephysicistswereabletoofferanexplanationforsuperconductivity.Theacceptedtheorydevelopedinthe1950sholdsthatthefundamentalbehaviorofelectronschangesatverylowtemperaturesbecauseoftheeffectsofquantummechanics.Electronsaretinyparticlesthatmakeuptheouterpartofanatomcirclingrapidlyaroundthenucleusoftheatom.Inaregularconductor—ametalthatconductsanelectriccurrent—theoutermostelectronsarenotboundtightlytotheatomsandsotheymovearoundrelativelyfreely.Theflowoftheseelectronsisanelectriccurrent. Atnormaltemperaturesaconductor’selectronscannotmovecompletelyfreelythroughthemetalbecausetheyare"bumpedaround"bythemetal’satoms.Butaccordingtotheleadingtheoryofsuperconductivitywhenametalisverycoldelectronsformpairs.Thenlikecouplesmaneuveringonacrowdeddancefloorbutnevercollidingthepairedelectronsareabletomoveunimpededthroughthemetal.Inpairingupitseemstheelectronsareableto"blendtogether"andmoveinunisonwithoutresistance.Thisexplanationseemstoaccountforsuperconductivityatextremelylowtemperaturesbutin1986scientistsinSwitzerlandfoundthatsomemetal-containingceramicsaresuperconductorsatmuchhighertemperatures.By1992scientistshaddevelopedceramicsthatbecomesuperconductingat-297’Fandsomeresearchersspeculatedthatroom-temperaturesuperconductorsmaybepossible.Scientistsarestilltryingtoformulateatheoryforhigh-temperaturesuperconductivity.Thenewceramicmaterialscanbemaintainedattheirsuperconductingtemperatureswithrelativelyinexpensiveliquidnitrogenratherthanthemuchcolderandmuchmorecostlyliquidheliumrequiredbymetalsuperconductors.Thecostdifferencecouldmakesuperconductivitypracticalformanynewtechnologies.Forexamplemagneticallylevitatedtrainswhichrequiresuperconductingelectromagnetswouldbemuchcheapertobuildthantheyarenow.Superconductingdevicesmightalsobeusedforadvancedpowertransmissionlinesandinnewtypesofcompactultrafastcomputers.Butforthetimebeingsuperconductivityisfindingapplicationmostlyinscientificresearchandinsomekindsofmedicalimagingdevices. Thebreakthroughmadeinsuperconductivityin1992isremarkablebecause.
TheBestWaytoReduceYourWeightYouhearthis:NoWonderyouarefat.Allyoueverdoiseat.Youfeelsad:Iskipmybreakfastandsupper.Iruneverymorningandevening.WhatelsecanIdoBasicallyyoucandonothing.Yourgenesnotyourlifehabitsdetermineyourweightandyourbodyconstantlytriestomaintainit.AlbertStunkardoftheUniversityofPennsylvaniafoundfromexperimentsthat80percentoftheChildrenoftwoobeseparentsbecomeobeseascomparedwithnomorethan14percentoftheoffspringoftwoparentsofnormalweight.HowcanobesepeoplebecomenormaloreventhinthroughdietingWelldietingcanbeeffectivebutthehealthcostsaretremendous.JulesHirscharesearchphysicianatRockefellerUniversitydidastudyofeightfatpeople.Theyweregivenaliquidformulaproviding600calories卡路里aday.Aftermorethan10weeksthesubjectslost45kgonaverage.Butafterleavingthehospitaltheyallregained.Theresultsweresurprising:bymetabolicmeasurementfatpeoplewholostlargeamountsofweightseemedliketheywerestarving.Theyhadpsychiatricproblems.Theydreamedoffoodorbreakingtheirdiet.Theywereanxiousanddepressed沮丧的;someweresuicidal.Theyhidfoodintheirrooms.Researcherswarnthatitispossiblethatweightreductiondoesn’tresultinnormalweightbutinanabnormalstateresembling类似thatofstarvednon-obesepeople.Thinpeoplehoweversufferfromtheopposite:Theyhavetomakeagreatefforttogainweight.EthanSimsoftheUniversityofVermontgotprisonerstovolunteertogainweight.Infourtosixmonthstheyateasmuchastheycould.Theysucceededinincreasingtheirweightby20to25percent.Butmonthsafterthestudyendedtheywerebacktonormalweightandstayedthere.Thisdidnotmeanthatpeoplearecompletelywithouthopeincontrollingtheirweight.Itmeansthatthosewhotendtobefatwillhavetoconstantlybattletheirgeneticinheritanceiftheywanttosignificantlylowertheirweight.Thefindingsalsoprovideevidenceforsomethingscientiststhoughtwastrue--eachpersonhasacomfortableweightrange.Therangemightbeasmuchas9kg.Someonemightweigh60-69kgwithouttoomucheffortButgoingaboveofbelowthenaturalweightrangeisdifficult.Thebodyresistsbyfeelinghungryorfullandchangingthemetabolismtopushtheweightbacktotherangeitseeks.Whatdeterminesyourweight
{{*HTML*}}A.teachchildrentobeintelligent??B.whateverstimulationhasbeenreceivedfromtheenvironment??C.andbecauseofthelackofcommunicationwithhisclassmates??D.apredictorofchildren’sfuturelearning??E.taughttobemoreintelligent??F.languageandpsychologicalaspectsoftheparent-childrelationshipThemostimportantfactorsintheenvironmentare______.
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{{*HTML*}}Stonehenge??Stonehenge英格兰南部的巨石阵themysteriousringofancientmonoliths独块石fromthedawnofBritain’sproudcivilizationcouldbetheworkofacentralEuropeanimmigrantarchaeologistssaidnotlongagoinashockstatement令人震惊的声明.AnearlyBronze青铜Age青铜时代archer射手whosegravewasdiscoverednearthestonecirclelastyearmayhavehelpedbuildthemonument.?46?OrhemighthavebeenbroughtupinaregionneighboringSwitzerland瑞士suchassouthernGermanyorwesternAustria.??ThearcherwouldhavebeenaveryimportantpersonintheStonehengearea.saidAndrewFitzpatrickWessexArchaeology’sprojectmanager.ItisfascinatingtothinkthatsomeonefromabroadcouldhaveplayedanimportantpartintheconstructionofBritain’smostfamousarchaeologicalsite.??The4000-year-oldmanwasidentifiedasanarcherbecauseoftheflint遂石arrowheads箭头foundbyhisbodyalongwithotherartifacts史前古器物belongingtothebeakerCulture青铜时代宽口陶器人文化intheAlpsa阿尔卑斯上duringtheBronzeage.?47?ThoughitcouldbecoincidencethatthemanlivedclosetoStonehengeataboutthetimethegreatstoneswereputinplacearchaeologistssuspectthathewasinvolvedinconstructingthemonument.Thearcherdubbed被称为TheKingofStonehengebytheBritishpresslivedaround2300BCaboutthetimethegreatstonecirclewasformedinAmesbury120kilometerssouthwestofLondon.??Thesplendidartifactsfoundinhisgraveindicatedhewasamanofwealthleadingarchaeologiststospeculatehewasanimportantdignitary高贵人物involvedinthemonument’screation.StonehengewasbuiltaboutthetimetherichBreakerCulturecametoBritain.?48????49?Hewasstronglybuiltbutsufferedanaccidentafewyearsbeforehisdeaththatsevered截断切断hisleftkneecap.Trumansaidthecauseofdeathwasnotknownbutitcouldhavebeenaboneinfectioncausedbyhisleginjury.Archaeologistsalsofoundthegraveofayoungermanaged20to25nearby.?50?Thisindicatedtheywererelatedandwerepossiblyfatherandson.Testsontheyoungerman’stoothenamel珐琅showedthathegrewupinBritain.ThearchaeologiststhusspeculatedthearcherlivedinBritainformanyyearsandhadafamilyandwasnotjustpassingthrough.??A.AndtestsonthechemicalcomponentsofhistoothenamelshowedhegrewupintheregionthatisnowknownasSwitzerland.??B.Heandthearchersharedanunusualbonestructureintheirfeet.??C.Stonehengewillremainmysteriousformanycenturiestocome.??D.Theartifactsfoundinhisrichgravediscoveredabout5kilometersfromStonehengeandindicatedhewasobviouslyaveryprominentman.??E.Thearcherwasbetween35and45yearsoldwhenhedied.??F.AndpeopleofthattimewouldhavebeenabletocommunicateinearlyCeltictongue.
Theriverwidensconsiderablyasitbeginstoturneast.
TheBestWaytoReduceYourWeightYouhearthis:NoWonderyouarefat.Allyoueverdoiseat.Youfeelsad:Iskipmybreakfastandsupper.Iruneverymorningandevening.WhatelsecanIdoBasicallyyoucandonothing.Yourgenesnotyourlifehabitsdetermineyourweightandyourbodyconstantlytriestomaintainit.AlbertStunkardoftheUniversityofPennsylvaniafoundfromexperimentsthat80percentoftheChildrenoftwoobeseparentsbecomeobeseascomparedwithnomorethan14percentoftheoffspringoftwoparentsofnormalweight.HowcanobesepeoplebecomenormaloreventhinthroughdietingWelldietingcanbeeffectivebutthehealthcostsaretremendous.JulesHirscharesearchphysicianatRockefellerUniversitydidastudyofeightfatpeople.Theyweregivenaliquidformulaproviding600calories卡路里aday.Aftermorethan10weeksthesubjectslost45kgonaverage.Butafterleavingthehospitaltheyallregained.Theresultsweresurprising:bymetabolicmeasurementfatpeoplewholostlargeamountsofweightseemedliketheywerestarving.Theyhadpsychiatricproblems.Theydreamedoffoodorbreakingtheirdiet.Theywereanxiousanddepressed沮丧的;someweresuicidal.Theyhidfoodintheirrooms.Researcherswarnthatitispossiblethatweightreductiondoesn’tresultinnormalweightbutinanabnormalstateresembling类似thatofstarvednon-obesepeople.Thinpeoplehoweversufferfromtheopposite:Theyhavetomakeagreatefforttogainweight.EthanSimsoftheUniversityofVermontgotprisonerstovolunteertogainweight.Infourtosixmonthstheyateasmuchastheycould.Theysucceededinincreasingtheirweightby20to25percent.Butmonthsafterthestudyendedtheywerebacktonormalweightandstayedthere.Thisdidnotmeanthatpeoplearecompletelywithouthopeincontrollingtheirweight.Itmeansthatthosewhotendtobefatwillhavetoconstantlybattletheirgeneticinheritanceiftheywanttosignificantlylowertheirweight.Thefindingsalsoprovideevidenceforsomethingscientiststhoughtwastrue--eachpersonhasacomfortableweightrange.Therangemightbeasmuchas9kg.Someonemightweigh60-69kgwithouttoomucheffortButgoingaboveofbelowthenaturalweightrangeisdifficult.Thebodyresistsbyfeelinghungryorfullandchangingthemetabolismtopushtheweightbacktotherangeitseeks.Whathappenedtotheeightfatpeopleaftertheyleftthehospital
NoJetlag时差反应Anymore Mostpeoplewhotravellongdistancescomplainofjetlag时差反应.Jetlagmakesbusinesstravelerslessproductive对产的有成效的andmoreprone51makingmistakes.Itisactuallycausedby52ofyour"bodyclock"-asmallcluster串组群ofbraincellsthatcontrolsthetimingofbiological53.Thebodyclockisdesignedforaregularrhythm节奏ofdaylightanddarknesssothatitisthrownoutofbalancewhenitexperiencesdaylightanddarknessatthe"wrong"timesinanewtimezone.The54ofjetlagoftenpersist持续fordays55theinternalbodyclockslowlyadjuststothenewtimezone. Nowanewanti-jetlagsystemisavailablethatisbasedonproven56andpioneeringscientificresearch.Dr.MartinMoorehasdevisedapracticalstrategytoadjustthebodyclockmuchsoonertothenewtimezone57controlledexposuretobrightlight.Thetimezoneshift转换iseasytoaccomplishandeliminates消除58ofthediscomfortofjetlag Asuccessfultimezoneshiftdependsonknowingtheexacttimestoeither59oravoidbrightlight.Exposuretolightatthewrongtimecanactuallymakejetlagworse.Theproperschedule60lightexposuredependsagreatdealon61travelplans.Dataonaspecificflightitinerary旅行路线andtheindividual’ssleep62areusedtoproduceatripguidewith63onexactlywhentobeexposedtobrightlight.Whenthetripguidecalls64brightlightyoushouldspendtimeoutdoorsifpossible.Ifitisdarkoutsideortheweatherisbad65youareonanairplaneyoucanuseaspeciallightdevicetoprovidethenecessarylightstimulus刺激forarangeofactivitiessuchasreadingwatchingTVorworking. 51
TheValueofAdvertisementMoneyspentonadvertisingisworthspending.Itservesdirectlytobringaboutarapidsaleofgoodsatreasonablepricessosettingupafirmhomemarketandmakingitpossibletoprovideforexportatgoodprice.Bydrawingattentiontonewideasithelpsgreatlytoraisestandardsofliving.Byhelpingtoincreasedemanditcausesanincreasedneedforlaborandisthereforeanicewaytofightunemployment.Itlowersthecostsofmanyservices:withoutadvertisementsyourdailynewspaperwouldcostfourtimesasmuchthepriceofyourtelevisionprogramwouldneedtobedoubledandtravelbybusorsubwaywouldcostmore.Andperhapsmostimportantofalladvertisingprovidesapromiseofreasonablevalueintheproductsandservicesyoubuy.Besidesthefactthattwenty-sevenActsofParliamentgovernthetermsofadvertisingnoregularadvertiserdareproduceanythingthatfailstoliveuptothepromiseofhisadvertisements.Hemightfoolsomepeopleforalittlewhilethroughmisleadingadvertising.Hewillnotdosoforlongforthepublichasthegoodsensenottobuythepoorgoodsmorethanonce.IfyouseeaproductfrequentlyadvertiseditistheproofIknowthattheproductdoeswhatispromisedforitandthatithasgoodvalue.AdvertisingdoesmoreforthegoodofthepublicthananyotherforceIcanthinkof.ThereisonemorepointIfeelIoughttotouchon.RecentlyIheardawell-knowntelevisionpersondeclarethathewasagainstadvertisingbecauseitpersuadesratherthaninforms.Hewastellingustherealdifference.Ofcourseadvertisingtriestopersuade.Ifitsmessageswerenothingbutinformationthatwouldbedifficulttogetmorepeopletobuyforeventhechoiceofthecolorofashirtisabitpersuasive--advertisingwouldbesoboringthatnoonewouldpayanyattention.Butperhapsthatiswhatthewell-knowntelevisionpersonwants.Whichofthefollowingisthemostimportantadvantageaccordingtothepassage
NoJetlag时差反应Anymore Mostpeoplewhotravellongdistancescomplainofjetlag时差反应.Jetlagmakesbusinesstravelerslessproductive对产的有成效的andmoreprone51makingmistakes.Itisactuallycausedby52ofyour"bodyclock"-asmallcluster串组群ofbraincellsthatcontrolsthetimingofbiological53.Thebodyclockisdesignedforaregularrhythm节奏ofdaylightanddarknesssothatitisthrownoutofbalancewhenitexperiencesdaylightanddarknessatthe"wrong"timesinanewtimezone.The54ofjetlagoftenpersist持续fordays55theinternalbodyclockslowlyadjuststothenewtimezone. Nowanewanti-jetlagsystemisavailablethatisbasedonproven56andpioneeringscientificresearch.Dr.MartinMoorehasdevisedapracticalstrategytoadjustthebodyclockmuchsoonertothenewtimezone57controlledexposuretobrightlight.Thetimezoneshift转换iseasytoaccomplishandeliminates消除58ofthediscomfortofjetlag. 53
Hehastroubleunderstandingthatotherpeoplejudgehimbyhissocialskillsandconduct.
ShoppinghabitsintheUnitedStateshavechangedgreatlyinthelastquarterofthe20thcentury.Asearlyasinthe1900smostAmericantownsandcitieshadaMainStreet.MainStreetwasalwaysintheheartofatown.Thisstreetwas51onbothsideswithmanyvariedbusinesses.Hereshopperswalkedintostorestolookatallsortsofmerchandise:clothingfurniturehardwaregroceries.52someshopsofferedservice.Theseshopsincludeddrugstoresrestaurantsshoerepairstoresandbarberorhairdressingshops. 53inthe1950sachangebegantotakeplace.ToomanyautomobileshadcrowdedintoMainStreet54toofewparkingplaceswere55shoppers.Becausethestreetswerecrowdedmerchantsbegantolookwithinterestattheopenspaces56thecitylimits.Openspaceiswhattheircardrivingcustomersneeded.Andopenspaceiswhattheygot57thefirstshoppingcentrewasbuilt.Shoppingcentresorrathermalls58asacollectionofsmallnewstores59crowdedcitycentres.60byhundredsoffreeparkingspacecustomersweredrawnawayfrom61areastooutlyingmalls.Andthegrowing62ofshoppingcentresled63tothebuildingofbiggerandbetterstockedstores.64thelate1970smanyshoppingmallshadalmostdevelopedintosmallcitiesthemselves.Inadditiontoprovidingtheconvenienceofonestopshoppingmallsweretransformedintolandscapedparks65benchesfountainsandoutdoorentertainment. 62
{{*HTML*}}Stonehenge??Stonehenge英格兰南部的巨石阵themysteriousringofancientmonoliths独块石fromthedawnofBritain’sproudcivilizationcouldbetheworkofacentralEuropeanimmigrantarchaeologistssaidnotlongagoinashockstatement令人震惊的声明.AnearlyBronze青铜Age青铜时代archer射手whosegravewasdiscoverednearthestonecirclelastyearmayhavehelpedbuildthemonument.?46?OrhemighthavebeenbroughtupinaregionneighboringSwitzerland瑞士suchassouthernGermanyorwesternAustria.??ThearcherwouldhavebeenaveryimportantpersonintheStonehengearea.saidAndrewFitzpatrickWessexArchaeology’sprojectmanager.ItisfascinatingtothinkthatsomeonefromabroadcouldhaveplayedanimportantpartintheconstructionofBritain’smostfamousarchaeologicalsite.??The4000-year-oldmanwasidentifiedasanarcherbecauseoftheflint遂石arrowheads箭头foundbyhisbodyalongwithotherartifacts史前古器物belongingtothebeakerCulture青铜时代宽口陶器人文化intheAlpsa阿尔卑斯上duringtheBronzeage.?47?ThoughitcouldbecoincidencethatthemanlivedclosetoStonehengeataboutthetimethegreatstoneswereputinplacearchaeologistssuspectthathewasinvolvedinconstructingthemonument.Thearcherdubbed被称为TheKingofStonehengebytheBritishpresslivedaround2300BCaboutthetimethegreatstonecirclewasformedinAmesbury120kilometerssouthwestofLondon.??Thesplendidartifactsfoundinhisgraveindicatedhewasamanofwealthleadingarchaeologiststospeculatehewasanimportantdignitary高贵人物involvedinthemonument’screation.StonehengewasbuiltaboutthetimetherichBreakerCulturecametoBritain.?48????49?Hewasstronglybuiltbutsufferedanaccidentafewyearsbeforehisdeaththatsevered截断切断hisleftkneecap.Trumansaidthecauseofdeathwasnotknownbutitcouldhavebeenaboneinfectioncausedbyhisleginjury.Archaeologistsalsofoundthegraveofayoungermanaged20to25nearby.?50?Thisindicatedtheywererelatedandwerepossiblyfatherandson.Testsontheyoungerman’stoothenamel珐琅showedthathegrewupinBritain.ThearchaeologiststhusspeculatedthearcherlivedinBritainformanyyearsandhadafamilyandwasnotjustpassingthrough.??A.AndtestsonthechemicalcomponentsofhistoothenamelshowedhegrewupintheregionthatisnowknownasSwitzerland.??B.Heandthearchersharedanunusualbonestructureintheirfeet.??C.Stonehengewillremainmysteriousformanycenturiestocome.??D.Theartifactsfoundinhisrichgravediscoveredabout5kilometersfromStonehengeandindicatedhewasobviouslyaveryprominentman.??E.Thearcherwasbetween35and45yearsoldwhenhedied.??F.AndpeopleofthattimewouldhavebeenabletocommunicateinearlyCeltictongue.
3.WillAnyoneWatch3-DTVMarkthecalendar:2010mightbetheyearthatTV’sfinalfrontiergetsbroken.AnnouncedinearlySeptemberthenewestmodelsintheoffing马上就来临的forlate2010fromSonyandPanasonicarebringing3-DHDTV高消晰度电视intothehome.Thatisifyou’rewillingtoweartheglasses.Yesglasses.They’renotquitetheflimsyred-and-blue-cellophane玻璃纸getupsthattheyusedtobebuttheSonyandPanasonicmodelsstillrequireyoutowearapairofshadestoobservetheeffect.HowcanTVmanufacturersconvinceyouthatseeingshowsin3-Disworththeannoyanceofhavingtowearapairofspecs眼镜Thefirstwayisbymakingthetechnologywaybetter.Afterall.3-Dentertainmentisnothingnew.Theearly1950swerefloodedwith3-Dmoviesandthetechnologyhasmadeanoccasionalcomebackeversince.Eachtimethoughit’sdoneinbythesamecomplaints:poorimagequalityandheadachesandeyestrainfromextendedviewing.EarlyreviewsofthenewmodelsfromSonyandPanasonicsuggestthey’vesolvedtheproblem.Bothuseglassesthatcontaintinyshutters快门openingandclosingat120framespersecondinsyncwith与同步theimageonthescreentogivetheillusionofdepth.It’sanewapproachthatgivesusersawiderviewingangleanotherweaknessofolderapproaches.Allthiswouldbepointlessiftheentertainmentindustryweren’talsotakinganewlookat3-DTherecentspate一阵of3-Dmoviesonthebigscreen-G-ForceMonstersvsAliensandMyBloodyValentineallhad3-Ddebutsthisyear-foreshadows预示asimilarspurtonthesmallscreen.Blu-raydiscswhichhavethestoragecapacitynecessaryforhigh-definition3-DcontentandtheirplayersarebecomingmoreaffordableandPanasonicisworkingwithmoviestudiostorelease3-DeditionsofmoviestimedtocoincidewiththefirstgroupofTVs.Broadcastnetworksarepayingcloseattentiontoo-ESPNbroadcasttheSept.12USCvs.OhioStatecollege-footballgamein3-Dasapilottest.andinBritaintherearealreadystationsdedicatedto3-Dcontent.Butstill.Theglasses!Theheadgear盔necessarytowatchmodem3-DTVsremainsbulky-andwellugly-butLuxotticamakerofRay-Banisworkingonasolutiontotthat.Thecompanyplanstorelease3-DglassesmodeledafterRay-Ban’sclassicWayfarer徙步旅行者shades.giringeventhestyle-consciousenthusiastlittlereasontoresist3-D.3-DmoviesandTVswillreplacethepresentnormalmoviesandTVsinthenextdecade.
3.WillAnyoneWatch3-DTVMarkthecalendar:2010mightbetheyearthatTV’sfinalfrontiergetsbroken.AnnouncedinearlySeptemberthenewestmodelsintheoffing马上就来临的forlate2010fromSonyandPanasonicarebringing3-DHDTV高消晰度电视intothehome.Thatisifyou’rewillingtoweartheglasses.Yesglasses.They’renotquitetheflimsyred-and-blue-cellophane玻璃纸getupsthattheyusedtobebuttheSonyandPanasonicmodelsstillrequireyoutowearapairofshadestoobservetheeffect.HowcanTVmanufacturersconvinceyouthatseeingshowsin3-Disworththeannoyanceofhavingtowearapairofspecs眼镜Thefirstwayisbymakingthetechnologywaybetter.Afterall.3-Dentertainmentisnothingnew.Theearly1950swerefloodedwith3-Dmoviesandthetechnologyhasmadeanoccasionalcomebackeversince.Eachtimethoughit’sdoneinbythesamecomplaints:poorimagequalityandheadachesandeyestrainfromextendedviewing.EarlyreviewsofthenewmodelsfromSonyandPanasonicsuggestthey’vesolvedtheproblem.Bothuseglassesthatcontaintinyshutters快门openingandclosingat120framespersecondinsyncwith与同步theimageonthescreentogivetheillusionofdepth.It’sanewapproachthatgivesusersawiderviewingangleanotherweaknessofolderapproaches.Allthiswouldbepointlessiftheentertainmentindustryweren’talsotakinganewlookat3-DTherecentspate一阵of3-Dmoviesonthebigscreen-G-ForceMonstersvsAliensandMyBloodyValentineallhad3-Ddebutsthisyear-foreshadows预示asimilarspurtonthesmallscreen.Blu-raydiscswhichhavethestoragecapacitynecessaryforhigh-definition3-DcontentandtheirplayersarebecomingmoreaffordableandPanasonicisworkingwithmoviestudiostorelease3-DeditionsofmoviestimedtocoincidewiththefirstgroupofTVs.Broadcastnetworksarepayingcloseattentiontoo-ESPNbroadcasttheSept.12USCvs.OhioStatecollege-footballgamein3-Dasapilottest.andinBritaintherearealreadystationsdedicatedto3-Dcontent.Butstill.Theglasses!Theheadgear盔necessarytowatchmodem3-DTVsremainsbulky-andwellugly-butLuxotticamakerofRay-Banisworkingonasolutiontotthat.Thecompanyplanstorelease3-DglassesmodeledafterRay-Ban’sclassicWayfarer徙步旅行者shades.giringeventhestyle-consciousenthusiastlittlereasontoresist3-D.Mostpeoplebelievethatseeingshowsin3-Disnotworththetroubleofhavingtowearapairofglasses.
Mostofthepioneersoflow-temperaturephysicsexpectedgasestoliquefybutnoneofthempredictedsuperconductivity.Thisphenomenonwasdiscoveredin1911byOnneswhilehewasstudyingfrozenmercury. Morethan40yearspassedbeforephysicistswereabletoofferanexplanationforsuperconductivity.Theacceptedtheorydevelopedinthe1950sholdsthatthefundamentalbehaviorofelectronschangesatverylowtemperaturesbecauseoftheeffectsofquantummechanics.Electronsaretinyparticlesthatmakeuptheouterpartofanatomcirclingrapidlyaroundthenucleusoftheatom.Inaregularconductor—ametalthatconductsanelectriccurrent—theoutermostelectronsarenotboundtightlytotheatomsandsotheymovearoundrelativelyfreely.Theflowoftheseelectronsisanelectriccurrent. Atnormaltemperaturesaconductor’selectronscannotmovecompletelyfreelythroughthemetalbecausetheyare"bumpedaround"bythemetal’satoms.Butaccordingtotheleadingtheoryofsuperconductivitywhenametalisverycoldelectronsformpairs.Thenlikecouplesmaneuveringonacrowdeddancefloorbutnevercollidingthepairedelectronsareabletomoveunimpededthroughthemetal.Inpairingupitseemstheelectronsareableto"blendtogether"andmoveinunisonwithoutresistance.Thisexplanationseemstoaccountforsuperconductivityatextremelylowtemperaturesbutin1986scientistsinSwitzerlandfoundthatsomemetal-containingceramicsaresuperconductorsatmuchhighertemperatures.By1992scientistshaddevelopedceramicsthatbecomesuperconductingat-297’Fandsomeresearchersspeculatedthatroom-temperaturesuperconductorsmaybepossible.Scientistsarestilltryingtoformulateatheoryforhigh-temperaturesuperconductivity.Thenewceramicmaterialscanbemaintainedattheirsuperconductingtemperatureswithrelativelyinexpensiveliquidnitrogenratherthanthemuchcolderandmuchmorecostlyliquidheliumrequiredbymetalsuperconductors.Thecostdifferencecouldmakesuperconductivitypracticalformanynewtechnologies.Forexamplemagneticallylevitatedtrainswhichrequiresuperconductingelectromagnetswouldbemuchcheapertobuildthantheyarenow.Superconductingdevicesmightalsobeusedforadvancedpowertransmissionlinesandinnewtypesofcompactultrafastcomputers.Butforthetimebeingsuperconductivityisfindingapplicationmostlyinscientificresearchandinsomekindsofmedicalimagingdevices. Atverylowtemperaturessuperconductivityinametaloccurswhere.
Aftertheaccidentmybackwasverypainfulforalongtime.
ShoppinghabitsintheUnitedStateshavechangedgreatlyinthelastquarterofthe20thcentury.Asearlyasinthe1900smostAmericantownsandcitieshadaMainStreet.MainStreetwasalwaysintheheartofatown.Thisstreetwas51onbothsideswithmanyvariedbusinesses.Hereshopperswalkedintostorestolookatallsortsofmerchandise:clothingfurniturehardwaregroceries.52someshopsofferedservice.Theseshopsincludeddrugstoresrestaurantsshoerepairstoresandbarberorhairdressingshops. 53inthe1950sachangebegantotakeplace.ToomanyautomobileshadcrowdedintoMainStreet54toofewparkingplaceswere55shoppers.Becausethestreetswerecrowdedmerchantsbegantolookwithinterestattheopenspaces56thecitylimits.Openspaceiswhattheircardrivingcustomersneeded.Andopenspaceiswhattheygot57thefirstshoppingcentrewasbuilt.Shoppingcentresorrathermalls58asacollectionofsmallnewstores59crowdedcitycentres.60byhundredsoffreeparkingspacecustomersweredrawnawayfrom61areastooutlyingmalls.Andthegrowing62ofshoppingcentresled63tothebuildingofbiggerandbetterstockedstores.64thelate1970smanyshoppingmallshadalmostdevelopedintosmallcitiesthemselves.Inadditiontoprovidingtheconvenienceofonestopshoppingmallsweretransformedintolandscapedparks65benchesfountainsandoutdoorentertainment. 60
Inhistwo-hour-longlecturehemadeanexhaustiveanalysisoftheissue.
{{*HTML*}}A.teachchildrentobeintelligent??B.whateverstimulationhasbeenreceivedfromtheenvironment??C.andbecauseofthelackofcommunicationwithhisclassmates??D.apredictorofchildren’sfuturelearning??E.taughttobemoreintelligent??F.languageandpsychologicalaspectsoftheparent-childrelationshipIntelligencewasoncebelievedtobeafixedentityvaluedas______.
Thesuspectwasarrestedyesterdayandreleasedthismorning.
Icouldrecognizetheoldcarataglance.
TheValueofAdvertisementMoneyspentonadvertisingisworthspending.Itservesdirectlytobringaboutarapidsaleofgoodsatreasonablepricessosettingupafirmhomemarketandmakingitpossibletoprovideforexportatgoodprice.Bydrawingattentiontonewideasithelpsgreatlytoraisestandardsofliving.Byhelpingtoincreasedemanditcausesanincreasedneedforlaborandisthereforeanicewaytofightunemployment.Itlowersthecostsofmanyservices:withoutadvertisementsyourdailynewspaperwouldcostfourtimesasmuchthepriceofyourtelevisionprogramwouldneedtobedoubledandtravelbybusorsubwaywouldcostmore.Andperhapsmostimportantofalladvertisingprovidesapromiseofreasonablevalueintheproductsandservicesyoubuy.Besidesthefactthattwenty-sevenActsofParliamentgovernthetermsofadvertisingnoregularadvertiserdareproduceanythingthatfailstoliveuptothepromiseofhisadvertisements.Hemightfoolsomepeopleforalittlewhilethroughmisleadingadvertising.Hewillnotdosoforlongforthepublichasthegoodsensenottobuythepoorgoodsmorethanonce.IfyouseeaproductfrequentlyadvertiseditistheproofIknowthattheproductdoeswhatispromisedforitandthatithasgoodvalue.AdvertisingdoesmoreforthegoodofthepublicthananyotherforceIcanthinkof.ThereisonemorepointIfeelIoughttotouchon.RecentlyIheardawell-knowntelevisionpersondeclarethathewasagainstadvertisingbecauseitpersuadesratherthaninforms.Hewastellingustherealdifference.Ofcourseadvertisingtriestopersuade.Ifitsmessageswerenothingbutinformationthatwouldbedifficulttogetmorepeopletobuyforeventhechoiceofthecolorofashirtisabitpersuasive--advertisingwouldbesoboringthatnoonewouldpayanyattention.Butperhapsthatiswhatthewell-knowntelevisionpersonwants.Itseemstothewriterthat______.
TheValueofAdvertisementMoneyspentonadvertisingisworthspending.Itservesdirectlytobringaboutarapidsaleofgoodsatreasonablepricessosettingupafirmhomemarketandmakingitpossibletoprovideforexportatgoodprice.Bydrawingattentiontonewideasithelpsgreatlytoraisestandardsofliving.Byhelpingtoincreasedemanditcausesanincreasedneedforlaborandisthereforeanicewaytofightunemployment.Itlowersthecostsofmanyservices:withoutadvertisementsyourdailynewspaperwouldcostfourtimesasmuchthepriceofyourtelevisionprogramwouldneedtobedoubledandtravelbybusorsubwaywouldcostmore.Andperhapsmostimportantofalladvertisingprovidesapromiseofreasonablevalueintheproductsandservicesyoubuy.Besidesthefactthattwenty-sevenActsofParliamentgovernthetermsofadvertisingnoregularadvertiserdareproduceanythingthatfailstoliveuptothepromiseofhisadvertisements.Hemightfoolsomepeopleforalittlewhilethroughmisleadingadvertising.Hewillnotdosoforlongforthepublichasthegoodsensenottobuythepoorgoodsmorethanonce.IfyouseeaproductfrequentlyadvertiseditistheproofIknowthattheproductdoeswhatispromisedforitandthatithasgoodvalue.AdvertisingdoesmoreforthegoodofthepublicthananyotherforceIcanthinkof.ThereisonemorepointIfeelIoughttotouchon.RecentlyIheardawell-knowntelevisionpersondeclarethathewasagainstadvertisingbecauseitpersuadesratherthaninforms.Hewastellingustherealdifference.Ofcourseadvertisingtriestopersuade.Ifitsmessageswerenothingbutinformationthatwouldbedifficulttogetmorepeopletobuyforeventhechoiceofthecolorofashirtisabitpersuasive--advertisingwouldbesoboringthatnoonewouldpayanyattention.Butperhapsthatiswhatthewell-knowntelevisionpersonwants.Fromthefirstparagraphwecanseethewriterbelievesthat______.
ShoppinghabitsintheUnitedStateshavechangedgreatlyinthelastquarterofthe20thcentury.Asearlyasinthe1900smostAmericantownsandcitieshadaMainStreet.MainStreetwasalwaysintheheartofatown.Thisstreetwas51onbothsideswithmanyvariedbusinesses.Hereshopperswalkedintostorestolookatallsortsofmerchandise:clothingfurniturehardwaregroceries.52someshopsofferedservice.Theseshopsincludeddrugstoresrestaurantsshoerepairstoresandbarberorhairdressingshops. 53inthe1950sachangebegantotakeplace.ToomanyautomobileshadcrowdedintoMainStreet54toofewparkingplaceswere55shoppers.Becausethestreetswerecrowdedmerchantsbegantolookwithinterestattheopenspaces56thecitylimits.Openspaceiswhattheircardrivingcustomersneeded.Andopenspaceiswhattheygot57thefirstshoppingcentrewasbuilt.Shoppingcentresorrathermalls58asacollectionofsmallnewstores59crowdedcitycentres.60byhundredsoffreeparkingspacecustomersweredrawnawayfrom61areastooutlyingmalls.Andthegrowing62ofshoppingcentresled63tothebuildingofbiggerandbetterstockedstores.64thelate1970smanyshoppingmallshadalmostdevelopedintosmallcitiesthemselves.Inadditiontoprovidingtheconvenienceofonestopshoppingmallsweretransformedintolandscapedparks65benchesfountainsandoutdoorentertainment. 64
Shereadapoemwhichdepictsthesplendorofthesunset.
3.WillAnyoneWatch3-DTVMarkthecalendar:2010mightbetheyearthatTV’sfinalfrontiergetsbroken.AnnouncedinearlySeptemberthenewestmodelsintheoffing马上就来临的forlate2010fromSonyandPanasonicarebringing3-DHDTV高消晰度电视intothehome.Thatisifyou’rewillingtoweartheglasses.Yesglasses.They’renotquitetheflimsyred-and-blue-cellophane玻璃纸getupsthattheyusedtobebuttheSonyandPanasonicmodelsstillrequireyoutowearapairofshadestoobservetheeffect.HowcanTVmanufacturersconvinceyouthatseeingshowsin3-Disworththeannoyanceofhavingtowearapairofspecs眼镜Thefirstwayisbymakingthetechnologywaybetter.Afterall.3-Dentertainmentisnothingnew.Theearly1950swerefloodedwith3-Dmoviesandthetechnologyhasmadeanoccasionalcomebackeversince.Eachtimethoughit’sdoneinbythesamecomplaints:poorimagequalityandheadachesandeyestrainfromextendedviewing.EarlyreviewsofthenewmodelsfromSonyandPanasonicsuggestthey’vesolvedtheproblem.Bothuseglassesthatcontaintinyshutters快门openingandclosingat120framespersecondinsyncwith与同步theimageonthescreentogivetheillusionofdepth.It’sanewapproachthatgivesusersawiderviewingangleanotherweaknessofolderapproaches.Allthiswouldbepointlessiftheentertainmentindustryweren’talsotakinganewlookat3-DTherecentspate一阵of3-Dmoviesonthebigscreen-G-ForceMonstersvsAliensandMyBloodyValentineallhad3-Ddebutsthisyear-foreshadows预示asimilarspurtonthesmallscreen.Blu-raydiscswhichhavethestoragecapacitynecessaryforhigh-definition3-DcontentandtheirplayersarebecomingmoreaffordableandPanasonicisworkingwithmoviestudiostorelease3-DeditionsofmoviestimedtocoincidewiththefirstgroupofTVs.Broadcastnetworksarepayingcloseattentiontoo-ESPNbroadcasttheSept.12USCvs.OhioStatecollege-footballgamein3-Dasapilottest.andinBritaintherearealreadystationsdedicatedto3-Dcontent.Butstill.Theglasses!Theheadgear盔necessarytowatchmodem3-DTVsremainsbulky-andwellugly-butLuxotticamakerofRay-Banisworkingonasolutiontotthat.Thecompanyplanstorelease3-DglassesmodeledafterRay-Ban’sclassicWayfarer徙步旅行者shades.giringeventhestyle-consciousenthusiastlittlereasontoresist3-D.Poorimagequalityheadachesandeyestrainfromextendedviewingaremajorcomplaintsfrom3.Dmovieviews.
TheBestWaytoReduceYourWeightYouhearthis:NoWonderyouarefat.Allyoueverdoiseat.Youfeelsad:Iskipmybreakfastandsupper.Iruneverymorningandevening.WhatelsecanIdoBasicallyyoucandonothing.Yourgenesnotyourlifehabitsdetermineyourweightandyourbodyconstantlytriestomaintainit.AlbertStunkardoftheUniversityofPennsylvaniafoundfromexperimentsthat80percentoftheChildrenoftwoobeseparentsbecomeobeseascomparedwithnomorethan14percentoftheoffspringoftwoparentsofnormalweight.HowcanobesepeoplebecomenormaloreventhinthroughdietingWelldietingcanbeeffectivebutthehealthcostsaretremendous.JulesHirscharesearchphysicianatRockefellerUniversitydidastudyofeightfatpeople.Theyweregivenaliquidformulaproviding600calories卡路里aday.Aftermorethan10weeksthesubjectslost45kgonaverage.Butafterleavingthehospitaltheyallregained.Theresultsweresurprising:bymetabolicmeasurementfatpeoplewholostlargeamountsofweightseemedliketheywerestarving.Theyhadpsychiatricproblems.Theydreamedoffoodorbreakingtheirdiet.Theywereanxiousanddepressed沮丧的;someweresuicidal.Theyhidfoodintheirrooms.Researcherswarnthatitispossiblethatweightreductiondoesn’tresultinnormalweightbutinanabnormalstateresembling类似thatofstarvednon-obesepeople.Thinpeoplehoweversufferfromtheopposite:Theyhavetomakeagreatefforttogainweight.EthanSimsoftheUniversityofVermontgotprisonerstovolunteertogainweight.Infourtosixmonthstheyateasmuchastheycould.Theysucceededinincreasingtheirweightby20to25percent.Butmonthsafterthestudyendedtheywerebacktonormalweightandstayedthere.Thisdidnotmeanthatpeoplearecompletelywithouthopeincontrollingtheirweight.Itmeansthatthosewhotendtobefatwillhavetoconstantlybattletheirgeneticinheritanceiftheywanttosignificantlylowertheirweight.Thefindingsalsoprovideevidenceforsomethingscientiststhoughtwastrue--eachpersonhasacomfortableweightrange.Therangemightbeasmuchas9kg.Someonemightweigh60-69kgwithouttoomucheffortButgoingaboveofbelowthenaturalweightrangeisdifficult.Thebodyresistsbyfeelinghungryorfullandchangingthemetabolismtopushtheweightbacktotherangeitseeks.Whatdidscientiststhinkwastrue
Itisanticipatedthatthiscontractwillconsiderablyincreasesalesoverthenextthreeyears.
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