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首页 快速阅读5篇.pdf

快速阅读5篇.pdf

快速阅读5篇.pdf

上传者: 青青的国度 2011-04-06 评分 4.5 0 70 10 318 暂无简介 简介 举报

简介:本文档为《快速阅读5篇pdf》,可适用于考试题库领域,主题内容包含wwwTopwayEnglishcomGetEnoughSleeporElse!AGoodNight蒺sSleepIsMoreImportantto符等。

wwwTopwayEnglishcomGetEnoughSleeporElse!AGoodNight蒺sSleepIsMoreImportanttoYourHealthThanYouMayRealize咱预测题型暂MeganJonesknewshewastiredThoughithadbeenmorethanhourssincethe鄄year鄄oldVancouveritereturnedfromNewZealand,shewasstillrecoveringfromjetlagJoneshadleftNewZealandonThursdayatam,andaftera鄄hourflightshearrivedinVancouverat:要ThursdaymorningSheforcedherselftostayawakeallday,hopingtoforceherbodyintosleepingthroughthenightButgettingthesleepsheneededdidn蒺tproveeasy,eventhoughshehadn蒺tsleptinnearlyhours野Ibarelysleptthatnight,冶JonessaysThetimechangehadcompletelydisruptedhersleeppattern,andshewasn蒺trestedwhenshewokeatherusualamJoneswasn蒺tawarejusthowtiredshewasuntiltwohourslaterwhenshesetoffforthegrocerystore要drivingintothelaneofoncomingtraffic野SuddenlyIknewsomethingwasn蒺tright,冶shesays野Iwasn蒺tinNewZealandanymoreIwasinCanada要drivingonthewrongsideoftheroad冶Luckilyshewasabletopullbackintotherightlanewithoutincident野There蒺snoquestionthatnotgettingenoughsleepcanleadtodifficultyinconcentrating,saysDrJeffreyLipsitz,medicaldirectorfortheSleepDisordersCentreofMetropolitanTorontoWhetherthecauseisjetlag,shiftwork,chronicinsomnia,asleepdisorderorsimplytryingtoputinextrahoursatwork,we蒺veallexperiencedtheexhaustioncausedbylackofsleepInfact,sleepisasimportanttoahealthylifestyleaseatingproperlyandexercisingStudieshavesuggestedthattoolittlesleepmayincreaseyourriskofheartdisease,stroke,diabetes,obesityanddepressionGettingagoodnight蒺ssleepisoneofthesimplestthingsyoucandotostayhealthyHowMuchSleepDoYouNeedAgoodnight蒺ssleepmeanswakinguprestedandenergizedOnwwwTopwayEnglishcomaverage,ahealthyadultrequiresjustovereighthoursofsleepanight,accordingtoLipsitzHowever,theamountofsleepittakestoachieverejuvenationvariesfrompersontoperson野It蒺snotafixednumber,冶saysJosephDeKoninck,professorofpsychologyattheUniversityofOttawa,addingthatifyouconsistentlygetlessthanyouneed,野asleepdeficitaccumulates冶Thetimeittakesforasleepdeficittoaccruedependsonhowconsistenttheproblemis,saysDrRobertLevitan,associateprofessorofpsychiatryattheUniversityofToronto野Missingacoupleofhoursofsleepeverynightforaweekisprobablyenough冶HowManyPeopleHaveTroubleSleepingAccordingtostudiesfromWrightStateUniversityinDayton,Ohio,atleastonethirdofadultshavesignificantsleeploss(hoursorlessofsleepanight)ArecentACNielsenpollshowsthatpercentofAmericanadultsgetsixhoursorlessanightWhyarewesosleepdeprived野We蒺resobusythatweoftendon蒺tallowenoughtimeforsleep,冶saysDrSRDongoftheWestcoastSleepandBreathingCentreinBurnaby,BC,whobelieveslifestyleisthemainfactorcontributingtolackofsleepAccordingtothemostrecentGeneralSocialSurveydonebyStatisticsCanada,percentofCanadianswillcutbackonsleepinordertoaddtimetotheirdaysWhetherit蒺srushingtogetthehouseworkdoneoncethekidshavegonetobed,attendingasocialfunctionorworkinglate,we蒺resleepinglessthanweshouldThesamesurveyrevealsthatpercentofCanadiansreporttroublesleepingwhenthey蒺reseverelypressedfortimeForsome,theproblemliesnotinfindingthetimetosleepbutintheirinabilitytofallasleepandstaythatwaySleepdisorders,includinginsomniaandsleepapnea,areoftentheculpritStatisticsCanada蒺sCanadianCommunityHealthSurveysaysthatanestimatedmillionCanadiansoveragesufferfrominsomnia,andtheUSNationalInstitutesofHealthreportsthatmillionAmericanssufferfromsleepdisturbancesHowImportantIsaGoodNight蒺sSleepNotsleepingenoughcancompromiseyourimmunesystem,saysStanleywwwTopwayEnglishcomCoren,authorofSleepThievesandaprofessorofpsychologyattheUniversityofBritishColumbiaYoueatwellandexerciseinordertokeepyourimmunesystemup,explainsCoren,butifyouaren蒺tsleeping,youundoallthatgoodwork野Theimmunesystemworksbestwhenyou蒺reasleep,冶hesays野That蒺swhenyournaturalkillercellsaregenerated冶Naturalkillercellsareproducedinthebonemarrowandfoundinthebloodandlymphfluid野Naturalkillercellsarepartofthebody蒺sdefencemechanismagainstviruses,bacteria,evencancer,andtheydonotworkproperlyinthesleepdeprived,冶saysDongAstudyattheCerrahpasaMedicalSchoolinTurkeyfoundthatafterhoursofsleepdeprivation,thepercentageofnaturalkillercellsintheblooddeclinedbypercentAUniversityofCalifornia,SanDiego,studyofmalesfoundthatonenightofpartialsleepdeprivationreducednatural鄄killer鄄cellactivitytopercentofnormallevelsThoughtheiractivityreturnstonormalwhenwebegintogetpropersleep,Corencautionsthat野therealproblemisthatalotofdamagemighthavebeendonetoyourbodyduringthetimethatyourimmunesystemleftyouundefendedandsusceptibletoinfection冶It蒺snotjustyourimmunesystemthatsufferswhenyoucutdownonsleep野Thereisahigherrateofheartfailureamongpeoplewithsleepdisordersandsleepdisturbances,冶saysDrMichaelSole,acardiologistattheUniversityHealthNetworkinTorontoAccordingtoSole,thereisincreasedevidenceofC鄄reactiveprotein,anindicatorofheartdiseaserisk,inpeoplesufferingfromsleeplossResearchersattheUniversityofChicagodiscoveredthatchronicsleeplosscanreducethebody蒺sabilitytoregulatehormonesandprocesscarbohydratesIntheirstudytheyreducedparticipants蒺sleepfromeighttofourhoursanightAfterlessthanaweek,theynotedchangesinthebodysimilartotheeffectsofearlydiabetesoradvancedaging野Sleepdisturbancesincreasethelikelihoodofaprediabeticstateandobesity,冶saysSoleRegistereddietitianRamonaJosephsonnotesthatinsufficientsleepmayaffectthreehormonesthatcancontributetoobesityThere蒺sadecreaseinleptin,theappetite鄄suppressinghormonefoundinourfattissue,shesaysGhrelin,thehormonecontrollinghungerpangs,increaseswithlackofsleep,causinggreaterfeelingsofhungerAndourbodiesproducemoreofthestresswwwTopwayEnglishcomhormonecortisol,whichincreasesfatstorageNotonlydotheincreasedhormonesresultingfromsleeplosscauseustoeatmorebutmostofusalsomakepoorfoodchoiceswhenwe蒺retired野Thelessyousleep,themorechanceyouhaveofobesity,冶JosephsonsaysSleepisimportantinkeepingnotonlyyourwaistlinetrim,butyourbrainactivitybalancedaswell,saysDrRobertLevitanDuringsleep,brainneurotransmitters要thechemicalsthatdelivermessagesbetweennervecellsinthebrain要arereplenished野Whenyoudon蒺tgetenoughsleep,冶saysLevitan,野yourbrainchemicalsbecomedepletedandthatcausesemotionaldisturbances,冶includingdepression,anxiety,andgeneralfeelingsofangerorsadness注意院此部分试题请在答题卡上作答遥WhichofthefollowingplaceisMeganJones蒺destinationA)NewZealandB)AustraliaC)VancouverD)SanFranciscoMeganJonesusuallygetsupatA)halfpasteightB)eighto蒺clockC)halfpastsevenD)seveno蒺clockAccordingtoDrJeffreyLipsitz,MeganJones蒺exampleshowsthatlackofsleepmayresultinA)concentrationproblemsB)psychologicaldepressionC)physicalexhaustionD)immunedisorderAccordingtoJosephDeKoninck,apersonsufferssleepdeficitwhenA)heconsistentlysleepslessthaneighthoursB)heconsistentlysleepslessthanwhatisneededC)hegoestosleepaftermidnightD)hegoestobedatanirregulartimeDrSRDongindicatesthatthelackofsleepismainlyattributedtoA)one蒺slivingenvironmentB)one蒺smentalconditionsC)one蒺soccupationD)one蒺slifestyleWhatistrueabout野sleepapnea冶A)ItistheresultofinsomniaB)ItisthecauseofinsomniaC)ItistheresultofsleeplessnessD)ItisthecauseofsleeplessnessNaturalkillercellsareproducedwhenwwwTopwayEnglishcomA)weareasleepB)ourdietisbalancedC)wedolittleexerciseD)ourimmunesystemfailsDrMichaelSolesuggeststhattheexistenceofC鄄reactiveproteinindi鄄catesRamonaJosephsonpointsoutthatfeelingofhungerisgeneratedbyahormonecalled野冶DrRobertLevitanfindsthatinsufficientsleepmaycauseemotionaldis鄄turbancesbecause,insuchcircumstance,BeYourOwnITDepartment咱预测题型暂Ifyouuseacomputer,youneedtoknowmorethanjusthowtouseyouremailandsurfthewebYouneedtoknowthatyouareprotectedYourcomputerisapopulartargetforintrudersWhyBecauseintruderswantwhatyou蒺vestoredthereTheylookforcreditcardnumbers,bankaccountinformation,andanythingelsetheycanfindBystealingthatinformation,intruderscanuseyourmoneytobuythemselvesgoodsandservicesButit蒺snotjustmoney鄄relatedinformationthey蒺reafterIntrudersalsowantyourcomputer蒺sresources,meaningyourharddiskspace,yourfastprocessor,andyourInternetconnectionTheyusetheseresourcestoattackothercomputersontheInternetInfact,themorecomputersanintruderuses,theharderitisforlawenforcementtofigureoutwheretheattackisreallycomingfromIfintruderscan蒺tbefound,theycan蒺tbestopped,andtheycan蒺tbeprosecutedWhetheryourcomputerrunsMicrosoft襆Windows襆,Apple蒺sMacOS,LINUX,orsomethingelse,theissuesarethesameandwillremainsoasnewversionsofyoursystemarereleasedThekeyistounderstandthesecurity鄄relatedproblemsthatyouneedtothinkaboutandsolveIfthereisn蒺tsomeoneresponsibleforthecomputersinyourhomeoroffice,thenpicksomeone,quickTheirjobistoassureyouthateverythingI蒺velistedbelowisgettingdoneonaregularbasissoyoucanrelaxalittlewwwTopwayEnglishcomAntivirusThisshouldgowithoutsaying,butIstillrunintocomputerswithexpiredAntivirussoftwarequiteoftenIn,Antivirussoftwareneedstobeupdateddaily,andpaidforyearlyIfyouhaven蒺tpaidforasubscription,thenyoudon蒺thavecurrentAntivirussoftwareEverymonth,someoneshouldverifythatyourinstalledAVSoftwareisrunning,andthatisupdatingautomatically,withcurrentvirusdefinitionsSometimestheystopworkingorupdatingbecausetheygetattackedbetweenupdatesYoumustremainvirusfreeSpywareSpywareisEVILsoftwarethatisgettingworseeverydaySpywareisprobablywhat蒺swrongwithyourcomputerIfyouhavenotrunspywareremovalsoftwarelatelythenIguaranteethatyouhavesomeonyoursystemIt蒺sthatsimpleForyoutoremovetheSpywareyourself,youmustrunanupdatedversionofyourfavoriteSpywareremovalsoftwareatleastonceamonthWeeklyisbetterJustlikeAntivirussoftware,itneedstobeupdatedallthetimeHowever,unlikeAntivirussoftware,mostAnti鄄Spywaresoftwarewillnotupdateonits蒺ownMosthavetobesettoauto鄄updateandprotectyoufromfurtherinfectionWindowsUpdatesMicrosoftdiscoversandrepairsflawsintheirWindowsOperatingSystemonanearweeklybasisThese野fixes冶or野patches冶areavailableforfreeattheirwebsite,andyoushouldinsurethatyourWindowsupdatesarebeingdoneNowthatyouprobablyhavehighspeedInternet,thisstepiscriticalforthesecurityandfunctionalityofyourcomputersOnceyougetsomespyware,thesesecurityholesarebeingexploitedInWindowsXP,youcanschedulethistohappenautomaticallyinthePropertiesofMyComputerIuseautoupdateformyself,andallpeertopeernetworkingcustomersInaserverenvironment,Idon蒺trecommenditForotherWindowsversionsthanXP,youshouldupdateyourWindowsonamonthlybasisatwindowsupdatecomwwwTopwayEnglishcomStartupProgramsTherearedozensofsoftwareprogramsthatcanstartupwhenWindowsloads,slowingyourcomputertoacrawlTheseareusuallyapparentinthetaskbarbyyourclock,andbypressingCTL鄄ALT鄄DELtoseetheservicesandapplicationsIfyouneedascrollbar,you蒺reboggeddown!ByusingaWindowsutilitycalledmsconfigyoucanmanageyourstartupitemsGotoStart鄄runandtypemsconfig要thenpressEnterGototheStartuptabandyou蒺llseethechoicesunderthestartuptabBecarefulinthere,andpayattentionFirewallAFirewallkeepspeoplefromcomingintoyourcomputerovertheInternetSpywareandTrojanhorsevirusesmakeiteasierforhackerstogetintoyourcomputers,butevenwhenyoursystemisclean,theriskofattackisstillthere,ifthere蒺saWindowshole(andthereis)Youneedafirewall,andifyouhaveawirelessconnection,youneedsecurepasswordprotectionontheroutertokeepyourneighborsoutOnamonthlybasis,youneedtobesurethatyourfirewall,whether(softwareorhardware)isbothturnedon,andcurrentIcan蒺ttellyouthenumberoftimesIfinditintentionallydisabled,withnomaliciousintent,butunprotectednonethelessMoreknowledgeableusersshouldreviewthelogsforanyabnormalactivitiesWindowsXPhasafreefirewallthatismuchbetterthannothing,andgettingbettereverymonthwithWindowsupdateToinsureyoursison,gotoStart要Helpandsupport要andtypefirewallDiskMaintenanceWindowshastwobuiltinutilitiescalledScandiskandDiskDefragmenterScandiskchecksthesurfaceofyourharddiskforflawsorerrorsthatmaybedeveloping,andDiskDefragmenterrearrangesthefilesonyourharddriveforfasterandeasieraccessDependingontheversionofWindowsyou蒺reusing,thenamesarealittledifferent,buttheutilitiescanalwaysbeaccessedinthefollowingwayRebootfirst,minimizingtheamountofprogramsrunninginyourStartupGotoMyComputer,andrightclickonyourharddrive(usuallytheC:drive)wwwTopwayEnglishcomGotoPropertiesandselecttheToolstabandrunScandiskor野errorchecking冶andDiskDefragmenteror野Defragmentation冶Insomecomputers,you蒺llneedtorebootagainIt蒺swellworthdoingtheseonceamonthtokeepanoldercomputerrunningwell,however,theyaretimeconsuming,andIconfess,IdonotrunthemEverThat蒺sonlybecauseIhaveagoodbackupsystemBackup,Backup,BackupYouhavetohaveabackupofallyourimportantdataForsomehomeusersthatmeansonefolder(usuallyMyDocuments)andtheiremailForothers,theirdatacanbescatteredalloveracomputerindifferentfolders,orinsomecases,anetworkJustfiguringoutwherethedataiscanbeaproblemGetahandleonitrightawayandknowwhatneedstobebackedupYouwilllosedatasomeday,andyou蒺lleitherbeinconveniencedordevastatedIt蒺syourchoiceIprefertouseaconvenientlocaldiskcopyingprogramcalledSecondCopyHowever,toprotectagainstfireortheft,everythingfrommykids蒺babypicturestolastnight蒺sspreadsheetissecurelybackedupandarchivedovertheInternetSummaryThesethingsabovearenotdifficult,buttheytaketimeSomeoneinthebusinessorfamilyneedstoseethesegetsdoneonaroutinebasisIfyoudothem,yourcomputerswillnotonlybemoresecure,butthey蒺llrunfasterandhavefewerproblems注意院此部分试题请在答题卡上作答遥Whattheintruderswanttofindinyourcomputerismoney鄄relatedinfor鄄mationandA)transactionrecordB)dailyroutinerecordC)computer蒺sresourcesD)computersecurityholesComparedwithWindowsusers,LINUXusersA)arebetterprotectedagainstintrudersB)havethesameproblemswithintrudersC)areputatgreaterInternetsecurityriskswwwTopwayEnglishcomD)havetodealwithmoresystemproblemsIfyouwanttohavecurrentAntivirussoftware,youshouldsubscribeitonabasisA)dailyB)weeklyC)monthlyD)yearlyWhatistrueaboutSpywareremovalsoftwareA)ItisanupdatedAntivirussoftwareB)IthastobeupdatedonceayearC)ItisabletoupdateonitsownD)Itcanbesettoauto鄄updateMicrosoftprovidesfreerepairtotheflawsintheirA)Antivirusauto鄄updatesoftwareB)WindowsOperatingSystemC)SpywareremovalsoftwareD)databackupsystemsItisrecommendedthatWindowsXP蒺sautoupdatenotbeusedA)inthePropertiesofMyComputerB)forallpeertopeernetworkingcustomersC)inaserverenvironmentD)onamonthlybasisYoucanmanageyourstartupitemsbytheuseofA)theutilitycalledmsconfigB)thekeysCTL鄄ALT鄄DELC)thetaskbarD)thescrollbarWhenyouhaveawirelessconnection,youneedtokeepawayintrusionbyInordertorearrangethefilesonyourharddriveforfasterandeasieraccess,youneedtouseabuiltinutilitycalledTheauthorsuggeststhatcomputerdatashouldbemostsafelybackedupbymeansofFeedingtheMassesaLoadofManure咱预测题型暂TheGreenRevolutionMyth,NormanBorlaug,andWorldHungerMostpeopledon蒺tknowNormanBorlaugHe蒺stheguywhoiswidelyrecognizedasthefatherofthe野GreenRevolution冶要thesystemoffarmingthatcombinedhybridseedswithchemicalpesticidesandfertilizerstograntwwwTopwayEnglishcomtheworldsignificantlyincreasedcropyields,especiallyyieldsof野cerealcrops冶likewheat,corn,andsoybeansMrBorlaughasbeenheardrecentlyreproaching野extremegreenies冶forpromotingorganic,sustainableagriculture,sayingthatsuchamoveeitherwouldrequiretheconversionofmillionsmoreacresofmeadowandforestlandintofarmlandorwouldmeanmassstarvationduetowhatheclaimsareloweryieldsfromorganicfarmsWithallduerespect,wethinkStormin蒺NormanBisoutinleftfieldplayingscarecrow,spoutingoffaboutnothingmorethantheGreenRevolutionMythFood,WorldHunger,andPopulationGrowthFirst,thereisanobviousquestionaboutthelogicofBorlaug蒺sassertionthattheincreasedyieldfromGreenRevolutionfarmingarrivedjustintimetosavehundredsofmillions,maybebillions,ofearth蒺sswellinghumanmassesfromstarvationinthethcenturyOnecouldjustaseasilyframetheissuetheotherwayaround:MightithavebeenthesuddenlyincreasedavailabilityofcheapfoodthatitselfallowedtheglobalpopulationtorisesoquicklyRemembertheoldsayingabout野tasksexpandtofilltheamountoftimeallowedthem冶AversionofthatmayapplyhereAnotherwaytolookatthequestioniswhethertheGreenRevolutionhasbeensuccessfulateliminatinghungerIthasn蒺tSincetheGreenRevolutionkickedintohighgearinthes,therehasbeenonlyamodestreductioninthenumberofpeoplestarvingorchronicallyhungryIn,therewereanestimatedhundredmillionpeopleinthatcategoryin,theUnitedNationsreportedthatthenumberwasmillionThismodestreductionhasbeenalmostentirelyduetolowerlevelsofhungeramongtheChinesepopulation,withthenumberofhungrypeopleincreasinginmostotherareasoftheworldItistrue,ofcourse,thatafewbillionmorepeoplearebeingfedtodaycomparedtohalfacenturyagoButit蒺sfartoosimplistictogivetheGreenRevolutionthecreditTwoofthemainfactorsthatdodeservecreditareimprovementsinseedsviahybridizationandmajorincreasesintheuseofirrigation,includingtheunsustainableover鄄pumpingofgroundwaterThesefactorsplusthechemicalsoftheGreenRevolutioncombinedtoputplant

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