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{{*HTML*}}FreeStatinsWithFastFoodCouldNeutralizeHeartRisk??Fastfoodoutletscouldprovidestatindrugsfreeof?51?sothatcustomerscan?52?theheartdiseasedangersoffattyfoodresearchersatImperialCollegeLondonsuggestinanewstudy.??Statinsreducethe?53?ofunhealthyLDLcholesterolintheblood.Awealthoftrialdatahasproventhemtobehighlyeffectiveatloweringaperson’sheartattackrisk.??InapaperpublishedintheAmericanJournalofCardiologyDrDarrelFrancisandcolleaguescalculate?54?thereductioninheartattackriskofferedbyastatinis?55?tooffsettheincreaseinheartattackrisk?56?eatingacheeseburgeranddrinkingamilkshake.??DrFrancisfromtheNationalHeartandLungInstituteatImperialCollegeLondon?57???istheseniorauthorofthestudysaid:Statinsdon’t?58?alloftheunhealthyeffectsofcheeseburgersandFrenchfries.It’s?59?toavoidfattyfoodaltogether.Butwe’veworkedoutthatintermsofyourpossobilityofhavingaheartattacktakingastatincanreduceyourrisktomoreorlessthesamedegreeasafastfoodmealincreasesit.??It’s?60?thatpeoplearefreetotakeasmanyunhealthycondimentsinfastfoodoutletsastheylikebutstatinswhicharebeneficial?61?hearthealthhavetobeprescribed.Itmakessensetomakerisk-reducingstatinsavailablejust?62?theunhealthycondimentsthatare?63?freeofcharge.Itwouldcostlessthanpenceper?64?—notmuchdifferenttoasachetofsugarDrFrancissaid.??Whenpeopleengageinriskybehaviourslikedrivingorsmokingthey’reencouragedto?65?measuresthatlowertheirrisklikewearingaseatbeltorchoosingcigaretteswithfilters.Takingastatinisarationalwayofloweringsomeoftherisksofeatingafattymeal.
{{*HTML*}}Nitrogenisthemostplentifulgasintheatmosphere.
{{*HTML*}}MobilePhoneandDiseases??AstudybyscientistsinFinlandhasfoundthatmobilephoneradiationcancausechangesinhumancellsthatmightaffectthebraintheleaderoftheresearchteamsaid.??ButDariusLeszczynskiwhoheadedthe2-yearstudyandwillpresentfindingsnextweekataconferenceinQuebec魁北克saidmoreresearchwasneededtodeterminetheseriousnessofthechangesandtheirimpactonthebrainorthebody.??ThestudyatFinland’sRadiationandNuclearSafetyAuthorityfoundthatexposuretoradiationfrommobilephonescancauseincreasedactivityinhundredsofproteinsinhumancellsgrowninalaboratoryhesaid.??Weknowthatthereissomebiologicalresponse.WecandetectitwithourverysensitiveapproachesbutwedonotknowwhetheritcanhaveanyphysiologicaleffectsonthehumanbrainorhumanbodyLeszczynskisaid.??NonethelessthestudytheinitialfindingsofwhichwerepublishedlastmonthinthescientificjournalDifferentiationraisesnewquestionsaboutwhethermobilephoneradiationcanweakenthebrain’sprotectiveshieldagainstharmfulsubstances.??Thestudyfocusedonchangesinceilsthatlinebloodvesselsandonwhethersuchchangescouldweakenthefunctioningoftheblood-brainbarrierwhichpreventspotentiallyharmfulsubstancesfromenteringthebrainfromthebloodstreamLeszczynskisaid.??Thestudyfoundthataproteincalledhsp27linkedtothefunctioningoftheblood-brainbarriershowedincreasedactivityduetoirradiationandpointedtoapossibilitythatsuchactivitycouldmaketheshieldmorepermeable能透过的hesaid.??Increasedproteinactivitymightcausecellstoshrink—notthebloodvesselsbutthecellsthemselves—andthentinygapscouldappearbetweenthosecellsthroughwhichsomemoleculescouldpass.hesaid.??LeszczynskideclinedtospeculateonwhatkindofhealthrisksthatcouldposebutsaidaFrenchstudyindicatedthatheadachefatigueandsleepdisorderscouldresult.??Thesearenotlife-threateningproblemsbutcancausealotofdiscomforthesaidaddingthataSwedishgrouphadalsosuggestedapossiblelinkwithAlzheimer’sdisease.??Wherethetruthisdonotknowhesaid.??Leszczynskisaidthathehiswifeandchildrenusemobilephonesandhesaidthathedidnotthinkhisstudysuggestedanyneedfornewrestrictionsonmobilephoneuse.Accordingtothepassagewhatwouldbethefutureoftheuseofmobilephone?
{{*HTML*}}Biologistshaveascertainedthatspecializedcellsconvertchemicalenergyintomechanicalenergy.
{{*HTML*}}A.asfishdoesB.becauseofitsrichnaturalresourcesC.bytheUnitedStatesinthe19thcenturyD.shinesdayandnightE.onlyaverysmallpercentageF.alimitedamountofthegoldfoundthereForaslongasthreemonthsofayearthesun______ontheice-coveredlandofAlaska.
{{*HTML*}}ProblemsofInternet??TheproportionofworkscutforthecinemainBritaindroppedfrom40percentwhenIjoinedtheBBFCin1975tolessthan4percentwhenIleft.ButIdon’tthinkthat20yearsfromnowitwillbepossibletoregulateanymediumascloselyasIregulatedfilm.??TheInternetisofcoursethegreatestproblemforthiscentury.TheworldwillhavetofindameansthroughsomesortofinternationaltreatyofUnitedNationsinitiativetocontrolthematerialthat’snowgoingtotallyunregulatedintopeople’shomes.ThatsaiditwillonlytakeonelittlecountrylikeParaguaytorefusetosignatreatyfortransmissiontobeunstoppable.Parentalcontrolisnevergoingtobesufficient.??I’mstillveryworriedabouttheimpactofviolentvideogameseventhoughresearcherssaytheirimpactismoderatedbythefactthatplayersdon’tsomuchexperiencethegameasenjoythetechnicalmanoeuvres策略thatenableyoutowin.ButinrespectofviolenceinmainstreamfilmsI’mmoreoptimistic.Quitesuddenlytasteshavechangedandit’snolongerStalloneorSchwarzeneggerwhoarethetopstarsbutLeonardoDiCaprio—thathastakeneverybodybysurprise.??GothroughthemostsuccessfulfilmsinEuropeandAmericanowandyouwillfindvirtuallynonethatweareviolent.QuentinTarantinodidn’tusherinanewviolentgenerationandfilmsarebecomingmuchmoreprosocialthanonewouldhaveexpected.??Cinemagoingwillundoubtedlysurvive.Thenewmultiplexesareagloriousexperienceofferingperfectsoundandpictureandverycomfortableseatsthinswhichhaddiedoutinthe1980s.Ican’tbelievewe’veachievedthatonlytothrowitawayinfavorofhuddlingarounda14-inchcomputermonitortowatchdigitally-deliveredmoviesathome.??Itwillbecomeincreasinglycheaptomakefilmswithcamerasbecomingsmallerandlighterbutremainingveryprecise.Thatmeansgreaterchancesfornewtalenttoemergeasitwillbemucheasierforpeopletolearnhowtobebetterfilm-makers.People’sworkingliveswillbeshorterinthefutureandonceretiredtheywillspendalotoftimelearningtodothingsthatamusethem—likemakingvideos.Fiftyyearsonwecouldwellbemedia-saturatedasproducersaswellasaudience;insteadofwritinglettersonewillsendlittlehomemoviesentitledMyWeek.Whatdoesmedia-saturatedinFiftyyearsonwecouldwellbemedia-saturatedas...Par
{{*HTML*}}Thecheetahisconsideredthefastestofalllandanimals.
{{*HTML*}}NewProductWillSaveLives??Drinkingwaterthatlookscleanmaystillcontainbugs虫子whichcancauseillness.AsmallcompanycalledGeneraTechnologieshasproducedatestingmethodinthreestageswhichshowswhetherwaterissafe.Thenewtestshowsifwaterneedschemicalsaddedtoittodestroyanythingharmful.ItwasinventedbyscientistDr.AdrianPartonwhostartedGenerafiveyearsago.HeandhisemployeeshavedevelopedthetesttogetherwithaBritishwatercompany.??AndyHeadlandGenera’smarketingdirectorrecentlypresentedthetestataconferenceintheUSAandforecastgoodAmericansalesforit.Generahasalreadysold11ofitstestsat$42500atimeintheUKandhasafurtherfouronorder.Itexpectstosellanother25testsbeforetheendofMarch.ThecompanysaysitistheonlytestintheUKtobeapprovedbythegovernment.GenerawasformedfiveyearsagoanduntilOctoberlastyearhadonlyfiveemployees;itnowemploys14.Mr.Headlandbelievesthatthecompanyshouldmakearound$19millionbytheendoftheyearintheUKalone.TheBritishgovernmentishelpingDrPartontosellthetestsabroad.
{{*HTML*}}FreeStatinsWithFastFoodCouldNeutralizeHeartRisk??Fastfoodoutletscouldprovidestatindrugsfreeof?51?sothatcustomerscan?52?theheartdiseasedangersoffattyfoodresearchersatImperialCollegeLondonsuggestinanewstudy.??Statinsreducethe?53?ofunhealthyLDLcholesterolintheblood.Awealthoftrialdatahasproventhemtobehighlyeffectiveatloweringaperson’sheartattackrisk.??InapaperpublishedintheAmericanJournalofCardiologyDrDarrelFrancisandcolleaguescalculate?54?thereductioninheartattackriskofferedbyastatinis?55?tooffsettheincreaseinheartattackrisk?56?eatingacheeseburgeranddrinkingamilkshake.??DrFrancisfromtheNationalHeartandLungInstituteatImperialCollegeLondon?57???istheseniorauthorofthestudysaid:Statinsdon’t?58?alloftheunhealthyeffectsofcheeseburgersandFrenchfries.It’s?59?toavoidfattyfoodaltogether.Butwe’veworkedoutthatintermsofyourpossobilityofhavingaheartattacktakingastatincanreduceyourrisktomoreorlessthesamedegreeasafastfoodmealincreasesit.??It’s?60?thatpeoplearefreetotakeasmanyunhealthycondimentsinfastfoodoutletsastheylikebutstatinswhicharebeneficial?61?hearthealthhavetobeprescribed.Itmakessensetomakerisk-reducingstatinsavailablejust?62?theunhealthycondimentsthatare?63?freeofcharge.Itwouldcostlessthanpenceper?64?—notmuchdifferenttoasachetofsugarDrFrancissaid.??Whenpeopleengageinriskybehaviourslikedrivingorsmokingthey’reencouragedto?65?measuresthatlowertheirrisklikewearingaseatbeltorchoosingcigaretteswithfilters.Takingastatinisarationalwayofloweringsomeoftherisksofeatingafattymeal.
{{*HTML*}}ProblemsofInternet??TheproportionofworkscutforthecinemainBritaindroppedfrom40percentwhenIjoinedtheBBFCin1975tolessthan4percentwhenIleft.ButIdon’tthinkthat20yearsfromnowitwillbepossibletoregulateanymediumascloselyasIregulatedfilm.??TheInternetisofcoursethegreatestproblemforthiscentury.TheworldwillhavetofindameansthroughsomesortofinternationaltreatyofUnitedNationsinitiativetocontrolthematerialthat’snowgoingtotallyunregulatedintopeople’shomes.ThatsaiditwillonlytakeonelittlecountrylikeParaguaytorefusetosignatreatyfortransmissiontobeunstoppable.Parentalcontrolisnevergoingtobesufficient.??I’mstillveryworriedabouttheimpactofviolentvideogameseventhoughresearcherssaytheirimpactismoderatedbythefactthatplayersdon’tsomuchexperiencethegameasenjoythetechnicalmanoeuvres策略thatenableyoutowin.ButinrespectofviolenceinmainstreamfilmsI’mmoreoptimistic.Quitesuddenlytasteshavechangedandit’snolongerStalloneorSchwarzeneggerwhoarethetopstarsbutLeonardoDiCaprio—thathastakeneverybodybysurprise.??GothroughthemostsuccessfulfilmsinEuropeandAmericanowandyouwillfindvirtuallynonethatweareviolent.QuentinTarantinodidn’tusherinanewviolentgenerationandfilmsarebecomingmuchmoreprosocialthanonewouldhaveexpected.??Cinemagoingwillundoubtedlysurvive.Thenewmultiplexesareagloriousexperienceofferingperfectsoundandpictureandverycomfortableseatsthinswhichhaddiedoutinthe1980s.Ican’tbelievewe’veachievedthatonlytothrowitawayinfavorofhuddlingarounda14-inchcomputermonitortowatchdigitally-deliveredmoviesathome.??Itwillbecomeincreasinglycheaptomakefilmswithcamerasbecomingsmallerandlighterbutremainingveryprecise.Thatmeansgreaterchancesfornewtalenttoemergeasitwillbemucheasierforpeopletolearnhowtobebetterfilm-makers.People’sworkingliveswillbeshorterinthefutureandonceretiredtheywillspendalotoftimelearningtodothingsthatamusethem—likemakingvideos.Fiftyyearsonwecouldwellbemedia-saturatedasproducersaswellasaudience;insteadofwritinglettersonewillsendlittlehomemoviesentitledMyWeek.WhichofthefollowingaboutInternetistrueaccordingtothepassage?
{{*HTML*}}FreeStatinsWithFastFoodCouldNeutralizeHeartRisk??Fastfoodoutletscouldprovidestatindrugsfreeof?51?sothatcustomerscan?52?theheartdiseasedangersoffattyfoodresearchersatImperialCollegeLondonsuggestinanewstudy.??Statinsreducethe?53?ofunhealthyLDLcholesterolintheblood.Awealthoftrialdatahasproventhemtobehighlyeffectiveatloweringaperson’sheartattackrisk.??InapaperpublishedintheAmericanJournalofCardiologyDrDarrelFrancisandcolleaguescalculate?54?thereductioninheartattackriskofferedbyastatinis?55?tooffsettheincreaseinheartattackrisk?56?eatingacheeseburgeranddrinkingamilkshake.??DrFrancisfromtheNationalHeartandLungInstituteatImperialCollegeLondon?57???istheseniorauthorofthestudysaid:Statinsdon’t?58?alloftheunhealthyeffectsofcheeseburgersandFrenchfries.It’s?59?toavoidfattyfoodaltogether.Butwe’veworkedoutthatintermsofyourpossobilityofhavingaheartattacktakingastatincanreduceyourrisktomoreorlessthesamedegreeasafastfoodmealincreasesit.??It’s?60?thatpeoplearefreetotakeasmanyunhealthycondimentsinfastfoodoutletsastheylikebutstatinswhicharebeneficial?61?hearthealthhavetobeprescribed.Itmakessensetomakerisk-reducingstatinsavailablejust?62?theunhealthycondimentsthatare?63?freeofcharge.Itwouldcostlessthanpenceper?64?—notmuchdifferenttoasachetofsugarDrFrancissaid.??Whenpeopleengageinriskybehaviourslikedrivingorsmokingthey’reencouragedto?65?measuresthatlowertheirrisklikewearingaseatbeltorchoosingcigaretteswithfilters.Takingastatinisarationalwayofloweringsomeoftherisksofeatingafattymeal.
{{*HTML*}}ConservationorWastedEffort???Theblackrobin旅鸫isoneoftheworld’srarestbirds.ItisasmallwildbirdanditlivesonlyontheislandofLittleMangereoffthecoastofNewZealand.In1967therewereaboutfiftyblackrobinsthere;in1977therewerefewerthanten.?46???Energeticstepsarebeingtakentopreservetheblackrobin.?47?Theideaistobuyanotherislandnearbyasaspecialhomeareserveforthreatenedwildlifeincludingblackrobins.TheorganizerssaythatLittleMangereshouldthenberestocked重新准备withtherobin’sfood.ThousandsoftherequiredplantsareatpresentbeingcultivatedinNewZealand.??Isallthisconcernawasteofhumaneffort??48?Arewelosingoursenseofwhatisreasonableandwhatisunreasonable???Intheearth’slonglongpasthundredsofkindsofcreatureshaveevolvedrisentoadegreeofsuccessanddiedout.Inthelonglongfuturetherewillbemanynewanddifferentformsoflife.Thosecreaturesthatadaptthemselvessuccessfullytowhattheearthofferswillsurviveforalongtime.?49?Thisisnature’sprovenmethodofoperation.??Theruleofselection—thesurvivalofthefittest—istheonebywhichhumanbeingshavethemselvesarrivedonthescene.Webeingoneofthemostadaptablecreaturestheearthhasyetproducedmaylastlongerthanmost?50?Youmaytakeitasanotherrulethatwhenatlasthumanbeingsshowsignsofdyingoutnoothercreaturewillextendapaw爪topostponeourdeparture.Onthecontrarywewillbehurriedout.??Lifeseemstohavegrowntootoughforblackrobins.Ileaveyoutojudgewhetherweshouldtrytodoanythingaboutit.A.Somecreaturescertainsmallanimalsinsectsandbirdswillalmostcertainlyoutlast比长久manfortheyseemevenmoreadaptable.B.Thosethatfailtomeetthechallengeswilldisappearearly.C.Detailedstudiesaregoingonandapublicappealformoneyhasbeenmade.D.Bothrepresentordersintheclassificationoflife.E.Isitanybusinessofourswhethertheblackrobinsurvivesordiesout?F.Thesearetheonlyblackrobinsleftintheworl
{{*HTML*}}AgifttotheUnitedStatesfromFrancetheStatueofLibertywasassembledanddedicatedin1886.
{{*HTML*}}ProblemsofInternet??TheproportionofworkscutforthecinemainBritaindroppedfrom40percentwhenIjoinedtheBBFCin1975tolessthan4percentwhenIleft.ButIdon’tthinkthat20yearsfromnowitwillbepossibletoregulateanymediumascloselyasIregulatedfilm.??TheInternetisofcoursethegreatestproblemforthiscentury.TheworldwillhavetofindameansthroughsomesortofinternationaltreatyofUnitedNationsinitiativetocontrolthematerialthat’snowgoingtotallyunregulatedintopeople’shomes.ThatsaiditwillonlytakeonelittlecountrylikeParaguaytorefusetosignatreatyfortransmissiontobeunstoppable.Parentalcontrolisnevergoingtobesufficient.??I’mstillveryworriedabouttheimpactofviolentvideogameseventhoughresearcherssaytheirimpactismoderatedbythefactthatplayersdon’tsomuchexperiencethegameasenjoythetechnicalmanoeuvres策略thatenableyoutowin.ButinrespectofviolenceinmainstreamfilmsI’mmoreoptimistic.Quitesuddenlytasteshavechangedandit’snolongerStalloneorSchwarzeneggerwhoarethetopstarsbutLeonardoDiCaprio—thathastakeneverybodybysurprise.??GothroughthemostsuccessfulfilmsinEuropeandAmericanowandyouwillfindvirtuallynonethatweareviolent.QuentinTarantinodidn’tusherinanewviolentgenerationandfilmsarebecomingmuchmoreprosocialthanonewouldhaveexpected.??Cinemagoingwillundoubtedlysurvive.Thenewmultiplexesareagloriousexperienceofferingperfectsoundandpictureandverycomfortableseatsthinswhichhaddiedoutinthe1980s.Ican’tbelievewe’veachievedthatonlytothrowitawayinfavorofhuddlingarounda14-inchcomputermonitortowatchdigitally-deliveredmoviesathome.??Itwillbecomeincreasinglycheaptomakefilmswithcamerasbecomingsmallerandlighterbutremainingveryprecise.Thatmeansgreaterchancesfornewtalenttoemergeasitwillbemucheasierforpeopletolearnhowtobebetterfilm-makers.People’sworkingliveswillbeshorterinthefutureandonceretiredtheywillspendalotoftimelearningtodothingsthatamusethem—likemakingvideos.Fiftyyearsonwecouldwellbemedia-saturatedasproducersaswellasaudience;insteadofwritinglettersonewillsendlittlehomemoviesentitledMyWeek.WhatdoesthatinIcan’tbelievewe’veachievedthatonlytothrowitawayinfavor...Par
{{*HTML*}}NewProductWillSaveLives??Drinkingwaterthatlookscleanmaystillcontainbugs虫子whichcancauseillness.AsmallcompanycalledGeneraTechnologieshasproducedatestingmethodinthreestageswhichshowswhetherwaterissafe.Thenewtestshowsifwaterneedschemicalsaddedtoittodestroyanythingharmful.ItwasinventedbyscientistDr.AdrianPartonwhostartedGenerafiveyearsago.HeandhisemployeeshavedevelopedthetesttogetherwithaBritishwatercompany.??AndyHeadlandGenera’smarketingdirectorrecentlypresentedthetestataconferenceintheUSAandforecastgoodAmericansalesforit.Generahasalreadysold11ofitstestsat$42500atimeintheUKandhasafurtherfouronorder.Itexpectstosellanother25testsbeforetheendofMarch.ThecompanysaysitistheonlytestintheUKtobeapprovedbythegovernment.GenerawasformedfiveyearsagoanduntilOctoberlastyearhadonlyfiveemployees;itnowemploys14.Mr.Headlandbelievesthatthecompanyshouldmakearound$19millionbytheendoftheyearintheUKalone.BeforehesetupGeneraDrPartonhadworkedforaBritishwatercompany.
{{*HTML*}}NewProductWillSaveLives??Drinkingwaterthatlookscleanmaystillcontainbugs虫子whichcancauseillness.AsmallcompanycalledGeneraTechnologieshasproducedatestingmethodinthreestageswhichshowswhetherwaterissafe.Thenewtestshowsifwaterneedschemicalsaddedtoittodestroyanythingharmful.ItwasinventedbyscientistDr.AdrianPartonwhostartedGenerafiveyearsago.HeandhisemployeeshavedevelopedthetesttogetherwithaBritishwatercompany.??AndyHeadlandGenera’smarketingdirectorrecentlypresentedthetestataconferenceintheUSAandforecastgoodAmericansalesforit.Generahasalreadysold11ofitstestsat$42500atimeintheUKandhasafurtherfouronorder.Itexpectstosellanother25testsbeforetheendofMarch.ThecompanysaysitistheonlytestintheUKtobeapprovedbythegovernment.GenerawasformedfiveyearsagoanduntilOctoberlastyearhadonlyfiveemployees;itnowemploys14.Mr.Headlandbelievesthatthecompanyshouldmakearound$19millionbytheendoftheyearintheUKalone.Eachofthetestscosts$42500.
{{*HTML*}}Sauna??Ceremonialbathinghasexistedforthousandsofyearsandhasmanyformsoneofwhichisthesauna.TheFinnshaveperfectedthesteambathorsaunawhichmaybetakenusuallyinanenclosedroombypouringwateroverhotrocksorasdryheatbath.TheJapaneseGreeksTurksandRussiansaswellasNativeAmericanshaveformsofthesweatbathintheirbathingrituals.DryheatandsteambathshadadvocatesinancientRomeandpre-ColumbianAmericansusedsweatlodges.??Theearliestsaunaswereprobablyundergroundcavesheatedbyafirethatnaturallyfilledwithsmokeaschimneymakingwasunknownatthattime.afirekeptinafire-pitwouldheattherockwallsofthecave.Afterreachingfullheatthesmokewasletoutofthecaveandthestoneswouldretainheatforseveralhours.Afewpeopletodaysaythatthesmokesaunasvusaunaistheonlytruesaunaexperienceandthatallsaunasshouldhaveatleastabackgroundodororsmoke.Todaymostsaunasuseelectricstovesalthoughgasandwood-burningstovesareavailable.??Saunasarerelaxingandstressrelieving.Thosewithmuscleachesorarthritismayfindthattheheatrelaxesmusclesandrelievespainandinflammation.Asthmapatientsfindthattheheatenlargesairpassagewaysofthelungandfacilitatesbreathing.Saunasdonotcurethecommoncoldbuttheymayhelptoalleviatecongestionandspeedrecoverytime.Thebody’scoretemperatureusuallyrisesa1-2degreeswhileinthesaunathusimitatingaslightfever.Theregularuseofasaunamaydecreasethelikelihoodofgettingacoldinthefirstplace.??Saunaisgoofforyourskinasthebloodflowtotheskinincreasesandsweatingoccurs.Adultssweatabout2lbsofwaterperhouronaverageinasauna.Agoodsweatremovesdirtandgrimefromporesandgivestheskinahealthyglow.Thelossinwaterweightistemporaryasthebody’sphysiologicalmechanismswillquicklyrestorepropervolumes.Thecardiovascularsystemgetsworkoutastheheartmustpumpharderandfastertomovebloodtothesurfaceforheatexchange.Heartratemayincreasefrom72beatsperminuteonaverageto100-150beatsperminute.??Anormalheartcanhandlethesestressesbutthosewithhearttroublewishingtobegintouseasaunashouldseekadoctor’sadvice.Theelderlyandthosewithdiabetesshouldcheckwiththeirdoctorpriortobeginningtotakesaunas.Pregnantwomenshouldnottakesaunasparticularlyinthefirstthreemonths.Indeedeveryonejuststartingoutshouldtakeshortsessionsatfirsttobecomeaccustomedtothistypeofbath.Whoareadvisednottotakeasauna?
{{*HTML*}}FreeStatinsWithFastFoodCouldNeutralizeHeartRisk??Fastfoodoutletscouldprovidestatindrugsfreeof?51?sothatcustomerscan?52?theheartdiseasedangersoffattyfoodresearchersatImperialCollegeLondonsuggestinanewstudy.??Statinsreducethe?53?ofunhealthyLDLcholesterolintheblood.Awealthoftrialdatahasproventhemtobehighlyeffectiveatloweringaperson’sheartattackrisk.??InapaperpublishedintheAmericanJournalofCardiologyDrDarrelFrancisandcolleaguescalculate?54?thereductioninheartattackriskofferedbyastatinis?55?tooffsettheincreaseinheartattackrisk?56?eatingacheeseburgeranddrinkingamilkshake.??DrFrancisfromtheNationalHeartandLungInstituteatImperialCollegeLondon?57???istheseniorauthorofthestudysaid:Statinsdon’t?58?alloftheunhealthyeffectsofcheeseburgersandFrenchfries.It’s?59?toavoidfattyfoodaltogether.Butwe’veworkedoutthatintermsofyourpossobilityofhavingaheartattacktakingastatincanreduceyourrisktomoreorlessthesamedegreeasafastfoodmealincreasesit.??It’s?60?thatpeoplearefreetotakeasmanyunhealthycondimentsinfastfoodoutletsastheylikebutstatinswhicharebeneficial?61?hearthealthhavetobeprescribed.Itmakessensetomakerisk-reducingstatinsavailablejust?62?theunhealthycondimentsthatare?63?freeofcharge.Itwouldcostlessthanpenceper?64?—notmuchdifferenttoasachetofsugarDrFrancissaid.??Whenpeopleengageinriskybehaviourslikedrivingorsmokingthey’reencouragedto?65?measuresthatlowertheirrisklikewearingaseatbeltorchoosingcigaretteswithfilters.Takingastatinisarationalwayofloweringsomeoftherisksofeatingafattymeal.
{{*HTML*}}A.asfishdoesB.becauseofitsrichnaturalresourcesC.bytheUnitedStatesinthe19thcenturyD.shinesdayandnightE.onlyaverysmallpercentageF.alimitedamountofthegoldfoundthereAlaskawasoriginallypartofRussiabutwasbought______.
{{*HTML*}}FreeStatinsWithFastFoodCouldNeutralizeHeartRisk??Fastfoodoutletscouldprovidestatindrugsfreeof?51?sothatcustomerscan?52?theheartdiseasedangersoffattyfoodresearchersatImperialCollegeLondonsuggestinanewstudy.??Statinsreducethe?53?ofunhealthyLDLcholesterolintheblood.Awealthoftrialdatahasproventhemtobehighlyeffectiveatloweringaperson’sheartattackrisk.??InapaperpublishedintheAmericanJournalofCardiologyDrDarrelFrancisandcolleaguescalculate?54?thereductioninheartattackriskofferedbyastatinis?55?tooffsettheincreaseinheartattackrisk?56?eatingacheeseburgeranddrinkingamilkshake.??DrFrancisfromtheNationalHeartandLungInstituteatImperialCollegeLondon?57???istheseniorauthorofthestudysaid:Statinsdon’t?58?alloftheunhealthyeffectsofcheeseburgersandFrenchfries.It’s?59?toavoidfattyfoodaltogether.Butwe’veworkedoutthatintermsofyourpossobilityofhavingaheartattacktakingastatincanreduceyourrisktomoreorlessthesamedegreeasafastfoodmealincreasesit.??It’s?60?thatpeoplearefreetotakeasmanyunhealthycondimentsinfastfoodoutletsastheylikebutstatinswhicharebeneficial?61?hearthealthhavetobeprescribed.Itmakessensetomakerisk-reducingstatinsavailablejust?62?theunhealthycondimentsthatare?63?freeofcharge.Itwouldcostlessthanpenceper?64?—notmuchdifferenttoasachetofsugarDrFrancissaid.??Whenpeopleengageinriskybehaviourslikedrivingorsmokingthey’reencouragedto?65?measuresthatlowertheirrisklikewearingaseatbeltorchoosingcigaretteswithfilters.Takingastatinisarationalwayofloweringsomeoftherisksofeatingafattymeal.
{{*HTML*}}MobilePhoneandDiseases??AstudybyscientistsinFinlandhasfoundthatmobilephoneradiationcancausechangesinhumancellsthatmightaffectthebraintheleaderoftheresearchteamsaid.??ButDariusLeszczynskiwhoheadedthe2-yearstudyandwillpresentfindingsnextweekataconferenceinQuebec魁北克saidmoreresearchwasneededtodeterminetheseriousnessofthechangesandtheirimpactonthebrainorthebody.??ThestudyatFinland’sRadiationandNuclearSafetyAuthorityfoundthatexposuretoradiationfrommobilephonescancauseincreasedactivityinhundredsofproteinsinhumancellsgrowninalaboratoryhesaid.??Weknowthatthereissomebiologicalresponse.WecandetectitwithourverysensitiveapproachesbutwedonotknowwhetheritcanhaveanyphysiologicaleffectsonthehumanbrainorhumanbodyLeszczynskisaid.??NonethelessthestudytheinitialfindingsofwhichwerepublishedlastmonthinthescientificjournalDifferentiationraisesnewquestionsaboutwhethermobilephoneradiationcanweakenthebrain’sprotectiveshieldagainstharmfulsubstances.??Thestudyfocusedonchangesinceilsthatlinebloodvesselsandonwhethersuchchangescouldweakenthefunctioningoftheblood-brainbarrierwhichpreventspotentiallyharmfulsubstancesfromenteringthebrainfromthebloodstreamLeszczynskisaid.??Thestudyfoundthataproteincalledhsp27linkedtothefunctioningoftheblood-brainbarriershowedincreasedactivityduetoirradiationandpointedtoapossibilitythatsuchactivitycouldmaketheshieldmorepermeable能透过的hesaid.??Increasedproteinactivitymightcausecellstoshrink—notthebloodvesselsbutthecellsthemselves—andthentinygapscouldappearbetweenthosecellsthroughwhichsomemoleculescouldpass.hesaid.??LeszczynskideclinedtospeculateonwhatkindofhealthrisksthatcouldposebutsaidaFrenchstudyindicatedthatheadachefatigueandsleepdisorderscouldresult.??Thesearenotlife-threateningproblemsbutcancausealotofdiscomforthesaidaddingthataSwedishgrouphadalsosuggestedapossiblelinkwithAlzheimer’sdisease.??Wherethetruthisdonotknowhesaid.??Leszczynskisaidthathehiswifeandchildrenusemobilephonesandhesaidthathedidnotthinkhisstudysuggestedanyneedfornewrestrictionsonmobilephoneuse.What’stheresultoftheFrenchstudy?
{{*HTML*}}A.RichresourcesofthestateB.ConnectionswiththeoutsideworldC.TransportationproblemD.ThenativesofthelandE.ColdclimateF.LandandpopulationParagraph5______
{{*HTML*}}FreeStatinsWithFastFoodCouldNeutralizeHeartRisk??Fastfoodoutletscouldprovidestatindrugsfreeof?51?sothatcustomerscan?52?theheartdiseasedangersoffattyfoodresearchersatImperialCollegeLondonsuggestinanewstudy.??Statinsreducethe?53?ofunhealthyLDLcholesterolintheblood.Awealthoftrialdatahasproventhemtobehighlyeffectiveatloweringaperson’sheartattackrisk.??InapaperpublishedintheAmericanJournalofCardiologyDrDarrelFrancisandcolleaguescalculate?54?thereductioninheartattackriskofferedbyastatinis?55?tooffsettheincreaseinheartattackrisk?56?eatingacheeseburgeranddrinkingamilkshake.??DrFrancisfromtheNationalHeartandLungInstituteatImperialCollegeLondon?57???istheseniorauthorofthestudysaid:Statinsdon’t?58?alloftheunhealthyeffectsofcheeseburgersandFrenchfries.It’s?59?toavoidfattyfoodaltogether.Butwe’veworkedoutthatintermsofyourpossobilityofhavingaheartattacktakingastatincanreduceyourrisktomoreorlessthesamedegreeasafastfoodmealincreasesit.??It’s?60?thatpeoplearefreetotakeasmanyunhealthycondimentsinfastfoodoutletsastheylikebutstatinswhicharebeneficial?61?hearthealthhavetobeprescribed.Itmakessensetomakerisk-reducingstatinsavailablejust?62?theunhealthycondimentsthatare?63?freeofcharge.Itwouldcostlessthanpenceper?64?—notmuchdifferenttoasachetofsugarDrFrancissaid.??Whenpeopleengageinriskybehaviourslikedrivingorsmokingthey’reencouragedto?65?measuresthatlowertheirrisklikewearingaseatbeltorchoosingcigaretteswithfilters.Takingastatinisarationalwayofloweringsomeoftherisksofeatingafattymeal.
{{*HTML*}}FreeStatinsWithFastFoodCouldNeutralizeHeartRisk??Fastfoodoutletscouldprovidestatindrugsfreeof?51?sothatcustomerscan?52?theheartdiseasedangersoffattyfoodresearchersatImperialCollegeLondonsuggestinanewstudy.??Statinsreducethe?53?ofunhealthyLDLcholesterolintheblood.Awealthoftrialdatahasproventhemtobehighlyeffectiveatloweringaperson’sheartattackrisk.??InapaperpublishedintheAmericanJournalofCardiologyDrDarrelFrancisandcolleaguescalculate?54?thereductioninheartattackriskofferedbyastatinis?55?tooffsettheincreaseinheartattackrisk?56?eatingacheeseburgeranddrinkingamilkshake.??DrFrancisfromtheNationalHeartandLungInstituteatImperialCollegeLondon?57???istheseniorauthorofthestudysaid:Statinsdon’t?58?alloftheunhealthyeffectsofcheeseburgersandFrenchfries.It’s?59?toavoidfattyfoodaltogether.Butwe’veworkedoutthatintermsofyourpossobilityofhavingaheartattacktakingastatincanreduceyourrisktomoreorlessthesamedegreeasafastfoodmealincreasesit.??It’s?60?thatpeoplearefreetotakeasmanyunhealthycondimentsinfastfoodoutletsastheylikebutstatinswhicharebeneficial?61?hearthealthhavetobeprescribed.Itmakessensetomakerisk-reducingstatinsavailablejust?62?theunhealthycondimentsthatare?63?freeofcharge.Itwouldcostlessthanpenceper?64?—notmuchdifferenttoasachetofsugarDrFrancissaid.??Whenpeopleengageinriskybehaviourslikedrivingorsmokingthey’reencouragedto?65?measuresthatlowertheirrisklikewearingaseatbeltorchoosingcigaretteswithfilters.Takingastatinisarationalwayofloweringsomeoftherisksofeatingafattymeal.
{{*HTML*}}FreeStatinsWithFastFoodCouldNeutralizeHeartRisk??Fastfoodoutletscouldprovidestatindrugsfreeof?51?sothatcustomerscan?52?theheartdiseasedangersoffattyfoodresearchersatImperialCollegeLondonsuggestinanewstudy.??Statinsreducethe?53?ofunhealthyLDLcholesterolintheblood.Awealthoftrialdatahasproventhemtobehighlyeffectiveatloweringaperson’sheartattackrisk.??InapaperpublishedintheAmericanJournalofCardiologyDrDarrelFrancisandcolleaguescalculate?54?thereductioninheartattackriskofferedbyastatinis?55?tooffsettheincreaseinheartattackrisk?56?eatingacheeseburgeranddrinkingamilkshake.??DrFrancisfromtheNationalHeartandLungInstituteatImperialCollegeLondon?57???istheseniorauthorofthestudysaid:Statinsdon’t?58?alloftheunhealthyeffectsofcheeseburgersandFrenchfries.It’s?59?toavoidfattyfoodaltogether.Butwe’veworkedoutthatintermsofyourpossobilityofhavingaheartattacktakingastatincanreduceyourrisktomoreorlessthesamedegreeasafastfoodmealincreasesit.??It’s?60?thatpeoplearefreetotakeasmanyunhealthycondimentsinfastfoodoutletsastheylikebutstatinswhicharebeneficial?61?hearthealthhavetobeprescribed.Itmakessensetomakerisk-reducingstatinsavailablejust?62?theunhealthycondimentsthatare?63?freeofcharge.Itwouldcostlessthanpenceper?64?—notmuchdifferenttoasachetofsugarDrFrancissaid.??Whenpeopleengageinriskybehaviourslikedrivingorsmokingthey’reencouragedto?65?measuresthatlowertheirrisklikewearingaseatbeltorchoosingcigaretteswithfilters.Takingastatinisarationalwayofloweringsomeoftherisksofeatingafattymeal.
{{*HTML*}}Sauna??Ceremonialbathinghasexistedforthousandsofyearsandhasmanyformsoneofwhichisthesauna.TheFinnshaveperfectedthesteambathorsaunawhichmaybetakenusuallyinanenclosedroombypouringwateroverhotrocksorasdryheatbath.TheJapaneseGreeksTurksandRussiansaswellasNativeAmericanshaveformsofthesweatbathintheirbathingrituals.DryheatandsteambathshadadvocatesinancientRomeandpre-ColumbianAmericansusedsweatlodges.??Theearliestsaunaswereprobablyundergroundcavesheatedbyafirethatnaturallyfilledwithsmokeaschimneymakingwasunknownatthattime.afirekeptinafire-pitwouldheattherockwallsofthecave.Afterreachingfullheatthesmokewasletoutofthecaveandthestoneswouldretainheatforseveralhours.Afewpeopletodaysaythatthesmokesaunasvusaunaistheonlytruesaunaexperienceandthatallsaunasshouldhaveatleastabackgroundodororsmoke.Todaymostsaunasuseelectricstovesalthoughgasandwood-burningstovesareavailable.??Saunasarerelaxingandstressrelieving.Thosewithmuscleachesorarthritismayfindthattheheatrelaxesmusclesandrelievespainandinflammation.Asthmapatientsfindthattheheatenlargesairpassagewaysofthelungandfacilitatesbreathing.Saunasdonotcurethecommoncoldbuttheymayhelptoalleviatecongestionandspeedrecoverytime.Thebody’scoretemperatureusuallyrisesa1-2degreeswhileinthesaunathusimitatingaslightfever.Theregularuseofasaunamaydecreasethelikelihoodofgettingacoldinthefirstplace.??Saunaisgoofforyourskinasthebloodflowtotheskinincreasesandsweatingoccurs.Adultssweatabout2lbsofwaterperhouronaverageinasauna.Agoodsweatremovesdirtandgrimefromporesandgivestheskinahealthyglow.Thelossinwaterweightistemporaryasthebody’sphysiologicalmechanismswillquicklyrestorepropervolumes.Thecardiovascularsystemgetsworkoutastheheartmustpumpharderandfastertomovebloodtothesurfaceforheatexchange.Heartratemayincreasefrom72beatsperminuteonaverageto100-150beatsperminute.??Anormalheartcanhandlethesestressesbutthosewithhearttroublewishingtobegintouseasaunashouldseekadoctor’sadvice.Theelderlyandthosewithdiabetesshouldcheckwiththeirdoctorpriortobeginningtotakesaunas.Pregnantwomenshouldnottakesaunasparticularlyinthefirstthreemonths.Indeedeveryonejuststartingoutshouldtakeshortsessionsatfirsttobecomeaccustomedtothistypeofbath.AccordingtothethirdparagraphsaunascandoallofthefollowingEXCEPT______.
{{*HTML*}}A.RichresourcesofthestateB.ConnectionswiththeoutsideworldC.TransportationproblemD.ThenativesofthelandE.ColdclimateF.LandandpopulationParagraph3______
{{*HTML*}}ConservationorWastedEffort???Theblackrobin旅鸫isoneoftheworld’srarestbirds.ItisasmallwildbirdanditlivesonlyontheislandofLittleMangereoffthecoastofNewZealand.In1967therewereaboutfiftyblackrobinsthere;in1977therewerefewerthanten.?46???Energeticstepsarebeingtakentopreservetheblackrobin.?47?Theideaistobuyanotherislandnearbyasaspecialhomeareserveforthreatenedwildlifeincludingblackrobins.TheorganizerssaythatLittleMangereshouldthenberestocked重新准备withtherobin’sfood.ThousandsoftherequiredplantsareatpresentbeingcultivatedinNewZealand.??Isallthisconcernawasteofhumaneffort??48?Arewelosingoursenseofwhatisreasonableandwhatisunreasonable???Intheearth’slonglongpasthundredsofkindsofcreatureshaveevolvedrisentoadegreeofsuccessanddiedout.Inthelonglongfuturetherewillbemanynewanddifferentformsoflife.Thosecreaturesthatadaptthemselvessuccessfullytowhattheearthofferswillsurviveforalongtime.?49?Thisisnature’sprovenmethodofoperation.??Theruleofselection—thesurvivalofthefittest—istheonebywhichhumanbeingshavethemselvesarrivedonthescene.Webeingoneofthemostadaptablecreaturestheearthhasyetproducedmaylastlongerthanmost?50?Youmaytakeitasanotherrulethatwhenatlasthumanbeingsshowsignsofdyingoutnoothercreaturewillextendapaw爪topostponeourdeparture.Onthecontrarywewillbehurriedout.??Lifeseemstohavegrowntootoughforblackrobins.Ileaveyoutojudgewhetherweshouldtrytodoanythingaboutit.A.Somecreaturescertainsmallanimalsinsectsandbirdswillalmostcertainlyoutlast比长久manfortheyseemevenmoreadaptable.B.Thosethatfailtomeetthechallengeswilldisappearearly.C.Detailedstudiesaregoingonandapublicappealformoneyhasbeenmade.D.Bothrepresentordersintheclassificationoflife.E.Isitanybusinessofourswhethertheblackrobinsurvivesordiesout?F.Thesearetheonlyblackrobinsleftintheworl
{{*HTML*}}Sauna??Ceremonialbathinghasexistedforthousandsofyearsandhasmanyformsoneofwhichisthesauna.TheFinnshaveperfectedthesteambathorsaunawhichmaybetakenusuallyinanenclosedroombypouringwateroverhotrocksorasdryheatbath.TheJapaneseGreeksTurksandRussiansaswellasNativeAmericanshaveformsofthesweatbathintheirbathingrituals.DryheatandsteambathshadadvocatesinancientRomeandpre-ColumbianAmericansusedsweatlodges.??Theearliestsaunaswereprobablyundergroundcavesheatedbyafirethatnaturallyfilledwithsmokeaschimneymakingwasunknownatthattime.afirekeptinafire-pitwouldheattherockwallsofthecave.Afterreachingfullheatthesmokewasletoutofthecaveandthestoneswouldretainheatforseveralhours.Afewpeopletodaysaythatthesmokesaunasvusaunaistheonlytruesaunaexperienceandthatallsaunasshouldhaveatleastabackgroundodororsmoke.Todaymostsaunasuseelectricstovesalthoughgasandwood-burningstovesareavailable.??Saunasarerelaxingandstressrelieving.Thosewithmuscleachesorarthritismayfindthattheheatrelaxesmusclesandrelievespainandinflammation.Asthmapatientsfindthattheheatenlargesairpassagewaysofthelungandfacilitatesbreathing.Saunasdonotcurethecommoncoldbuttheymayhelptoalleviatecongestionandspeedrecoverytime.Thebody’scoretemperatureusuallyrisesa1-2degreeswhileinthesaunathusimitatingaslightfever.Theregularuseofasaunamaydecreasethelikelihoodofgettingacoldinthefirstplace.??Saunaisgoofforyourskinasthebloodflowtotheskinincreasesandsweatingoccurs.Adultssweatabout2lbsofwaterperhouronaverageinasauna.Agoodsweatremovesdirtandgrimefromporesandgivestheskinahealthyglow.Thelossinwaterweightistemporaryasthebody’sphysiologicalmechanismswillquicklyrestorepropervolumes.Thecardiovascularsystemgetsworkoutastheheartmustpumpharderandfastertomovebloodtothesurfaceforheatexchange.Heartratemayincreasefrom72beatsperminuteonaverageto100-150beatsperminute.??Anormalheartcanhandlethesestressesbutthosewithhearttroublewishingtobegintouseasaunashouldseekadoctor’sadvice.Theelderlyandthosewithdiabetesshouldcheckwiththeirdoctorpriortobeginningtotakesaunas.Pregnantwomenshouldnottakesaunasparticularlyinthefirstthreemonths.Indeedeveryonejuststartingoutshouldtakeshortsessionsatfirsttobecomeaccustomedtothistypeofbath.Ceremonialbathing______.
{{*HTML*}}Gooseneckbarnaclesattachthemselvestoobjectssuchasdocksandboats.
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