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Lots of human foods are dangerous to pets, many of which may seem tasty to our pets but can prove ...
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高中英语《安徽省部分高中（皖南八校）2015届高三第三次联考英语试题》真题及答案
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Todaythereare6billionpeopleontheearth.Bytheyear205
TwoAmericanscientiststoldthepeopleinindustrialnati
MillionsofpeopledieofhungerinsouthernAfricaeveryye
Manypeopletodayareworriedaboutthequalityofthefoodt
Lotsofhumanfoodsaredangeroustopetsmanyofwhichmayse
MillionsofpeopledieofhungerinsouthernAfricaeveryye
Todaythereare6billionpeopleontheearth.Bytheyear205
TwoAmericanscientiststoldthepeopleinindustrialnati
III.阅读理解阅读下面短文掌握其大意然后从文后所给各题的四个选项中选出可以填入空白处的最佳选项Mi
Todaythereare6billionpeopleontheearth.Bytheyear205
Todaythereare6billionpeopleontheearth.Bytheyear205
Theworldhasafastgrowingpopulationandpeopleneedmore
MillionsofpeopledieofhungerinsouthernAfricaeveryye
Peopleexpresstheirpersonalitiesintheirclothestheir
mostkidsstillloveburgerschickenwingsandpizzatherea
While
Since
Before
In case
[1]A.numberofhumanfoodsaredangeroustopets.Manyofth
第三部分阅读共两节满分40分阅读理解共15小题每小题2分满分30分阅读下列短文从每题所给的四个选项A
MillionsofpeopledieofhungerinSouthernAfricaeveryye
Wehavehot_________andeatlotsofnicehot_________.
drink, foods
drinks, foods
food, drinks
drinks, food
Todaythereare6billionpeopleontheearth.Bytheyear205
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Lastnightwasthelastgameformyeight-year-oldson’ssoccerteam.Itwasthefinalquarter.Thescorewastwotoonemyson’steamintheleaD.Parentssurroundedtheplaygroundofferingencouragement.Withlessthantensecondsremainingtheballsuddenlyrolledinfrontofmyson’steammateMickeyO’Donnel.WithshoutsofKickit!echoingacrosstheplaygroundMickeyturnedaroundandgaveiteverythinghehaD.Allaroundmethecrowderupted轰动.O’Donnelhadscored!ThentherewassilencE.MickeyhadscoredallrightbutinthewronggoalendingthegameinatiE.Foramomenttherewasatotalhush.YouseeMickeyhasDownsyndrome唐氏综合症andforhimthereisnosuchthingasawronggoal.AllgoalswerecelebratedbyajoyoushugfromMickey.HehadevenbeenknowntohugtheopposingplayerswhentheyscoreD.ThesilencewasfinallybrokenwhenMickeyhisfacefilledwithjoyhuggedmysontightlyandshoutedIscored!Iscored!Everybodywon!Everybodywon!ForamomentIheldmybreathnotsurehowmysonwouldreact.IneednothaveworrieD.Iwatchedthroughtearsasmysonthrewuphishandintheclassichigh-fivesalute致礼andstartedchantingWaytogoMickey!WaytogoMickey!WithinmomentsbothteamssurroundedMickeyjoininginthechantandcongratulatinghimonhisgoal.LaterthatnightwhenmydaughteraskedwhohadwonIsmiledasIrepliedItwasatiE.Everybodywon.21.Whichisthemostcorrectdescriptionoftheauthor’sson?Hewas________.A.braveB.sympatheticC.honestD.proud22.TheunderlinedwordhushinParagraph3isclosestinmeaningto____.A.cheerB.laughterC.silenceD.cry23.WhydidtheauthorholdhisbreathwhenMickeyscoredandhuggedhisson?A.BecausehissonmightgetangrywithMickeyB.BecauseMickeycheatedeveryoneC.BecausehissonwouldacceptthefactD.Becausethescorewasoutofhisexpectation24.WecaninferfromthepassagethatMickey_________.A.washatedbyhisownteamB.wasexcitedwhenherealizedthefaultC.waswarm-heartedandplayedsoccerforbothteamsD.wascaredaboutbyhisteammates
CelebrityTVpresenterJuPinghasbeenahostonChinaCentralTelevisionfor30yearsbutherrecentexperiencehostingacharityeventwasoneofthemostspecialmomentsinhercareer.OnApril2WorldAutism自闭症DayJupartneredwithXiaJunqia17-year-oldautisticteenagertohostacharitygalaattheBeijingNationalAquaticsCenterotherwiseknownastheWaterCubE.TheeventwasorganizedbyOneFoundationwhichaimstoincreasepublicawarenessofautisticpeopleandtheirneeds.Autismisaneuraldisorderthatcanimpairsufferers’communicationskillsandsocialinteractions.Sufferershaverestrictedrepetitivepatternsofbehavior.Itaffectsabout1.6millionpeopleinChinawithmedicalstudiessuggestingautismmayaffectoneinevery166children.AutismhasnocurE.FormanyyearsitwentlargelyundiagnosedinChinabutearlyintervention干预治疗andcontinuouseducationmayhelptoteachtheautisticself-helpskillsandlessentheirproblematicbehavior.Thegala晚会featuredautisticchildrensingingdancingandperformingandwasgreetedwithenthusiasticapplausefromtheaudiencE.CaiChunzhuacelebrityplaywrightrecalledfeelingheartbrokenwhenhissonwasdiagnosedwithautismattheageof2.Hesayshisfamilystruggledtoaccepttherealitybutfinallymadepeacewiththediagnosesinthepastfouryears.Hesaystheboylivesinhisownworldandistrainedinaninterventionfacility.SunZhongkaiexecutivedirectoroftheBeijingStarsandRainInstituteforAutismoneoftheearliestinterventionfacilitiesforautisticchildreninChinasharedwithaudiencehisdeepsorrowforparentswhooftenbrokedownwithdesperationwhenhetoldthemtherewasnocurefortheirautisticchildren.OvertheyearsChinesesocietyhasbecomemoresupportiveofautisticpeopleandtheirfamiliesbuttherearestillchallengesintermsofgettingautisticpeopleemployedandlookingafterthemwhentheirparentspassaway.ActorZhouXunalsocalledonsocietytoshowgreaterunderstandingandsupporttowardautisticchildrenandtheirfamilies.25.TheunderlinedwordimpairinParagraph4mostprobablymean?A.causeB.improveC.increaseD.damage26.WhichofthefollowingstatementsaboutAutismisFALSE?A.ItisakindofillnessthatcannotbecureD.B.Nothingcanbedoneaboutit.C.PeopleinChinawerenotwellawareofitinthepast.D.A.lotofchildrensufferfromitinChinA.27.WhatcanweknowfromParagraph7?A.Itisquitedifficultforparentstoacceptthattheirchildrenhaveautism.B.TraininginaninterventionfacilitycanstopchildrenwithautismlivingintheirownworlD.C.ThereisonlyoneinterventionfacilityforautisticchildreninChinA.D.Doctorsoftenbreakdownwhentheytellparentstheirchildrenhaveautism.28.Wheredoesthistextprobablycomefrom?A.A.TVinterview.B.A.medicinemagazinE.C.A.newspaper.D.A.bookreview.
Ourriskofcancerrisesrapidlyasweage.Soitmakessensethattheelderlyshouldberoutinelyscreenedfornewtumors肿瘤ordoesn’tit?Whilesuchtrackingofcancerisagoodthingingeneralresearchersareincreasinglyquestioningwhetherallofthistestingisnecessaryfortheelderly.Withthepercentageofpeopleoverage65expectedtonearlydoubleby2050itsimportanttoweighthehealthbenefitsofscreeningagainsttherisksandcostsofroutinetesting.Inmanycasesscreeningcanleadtoadditionalexaminationsandoperationstoremovecancerwhichcancausesideeffectswhilethecancersthemselvesmaybeslow-growingandmaynotcauseserioushealthproblemsinpatients’remainingyears.Butthemessagethateveryonemustscreenforcancerhasbecomesoingrained根深蒂固的thatwhenhealthcareexpertsrecommendedthatwomenunder50andover74stopscreeningforbreastcanceritcausedanoisyreactionamongdoctorspatientsandsocialgroups.It’shardtouprootdeeply-heldbeliefsaboutcancerscreeningwithscientificdata.Certainlytherearepeopleoverage75whohavehadcancersdetectedbyroutinescreeningandgainedseveralextrayearsoflifebecauseoftreatment.Andclearlypeopleoverage75whohaveotherriskfactorsforcancersuchasafamilyhistoryorpreviouspersonalexperiencewiththediseaseshouldcontinuetogetscreenedregularly.Butfortheresttheriskofcancerwhileincreasedattheendoflifemustbebalancedwithotherfactorslikeremaininglifeexpectancy.Arecentstudysuggeststhatdoctorsstarttomakemoreobjectivedecisionsaboutwhowilltrulybenefitfromscreening—especiallyconsideringtheexplosionoftheelderly.It’snotaneasycalculationtomakebutonethatmakessenseforpatients.Dr.OtisBrawleysaidManydoctorsareorderingthesetestspurelytocoverthemselvesfrommedicaldisputes.Weneedtothinkaboutthewiseuseofhealthcarewhichmeansmakingsomedifficultdecisionswithelderlypatientsandgoingagainstthemisguidedbeliefthatwhenitcomestohealthcaremoreisalwaysbetter.1.Routinecancerscreeningfortheelderlypeoplemakessensebecause______.A..itisbelievedtocontributetoalonglifeB..itispartoftheirhealthcarepackageC..theyaremoresensitiveaboutthehealthD..theyareingreaterdangeroftumorgrowth2.Howdosomeresearchersnowlookatroutinecancerscreeningfortheelderly?A..Itaddstoomuchtotheirmedicalbills.B..Theyaredoubtfulaboutnecessity.C..Ithelpsincreasetheirlifeexpectancy.D..Theythinkitdoesmoreharmthangood.3.Whatisthetraditionalviewaboutwomenscreeningforbreastcancer?A..Itisamustforadultwomen.B..Itappliestowomenover50.C..Itisintendedforyoungwomen.D..Itdoesn’tapplytowomenover74.4.Whatdoesthewritersayisthegeneralviewabouthealthcare?A..BettercarelongerlifeB..PreventionisbetterthancurE.C..BetterearlythanlatE.D..Themorethebetter.5.Whydomanydoctorsadviseroutinescreeningforcancer?A..Theywanttotakeadvantageofthemedicalcaresystem.B..Theywanttoprotectthemselvesagainstmedicaldisputes.C..Theywantdataformedicalresearch.D..Theywanttheirpatientstosufferless.
BillFultondoesn’trememberlosinghiswalletbutitsreturnhelpedhimrememberthepast.Theleatherstayedsmoothandthecowboydesignunblemished完美无缺的.Andwhenhelookedinsidethecontentsbroughtbackmemoriesfrom1946whenheapparentlydroppedthewalletbehindthebalconyblcachers露天看台intheBakerMiddleSchoolgym.Fulton’sSocialSecurityCardandbicyclelicensebearingtheaddresswherehelivedduringhisteenageyearswerepositionedintheirrespectivecompartments隔层apparentlyuntouchedsincetheyearafterWorldWarⅡendeD.WorkerNathanOsbornefoundthewallet—alongwitholdhomeworklostlibrarybooksanda1964talentshowprogram—whileremovingthebleachersforrenovations整修onJune17.ItwasbroughttoFulton’sdoorthefollowingdaybyMelanieTrindletheBakerMiddleSchoolsecretary.MiddleSchoolPrincipalMindiVaughansaidthebrownpinebleacherswereconnectedtothegymbalcony’sbrickwallandhadremainedinthesameplacesincetheschoolknownastheHelenM.StackBuildingopenedin1936.Fulton78saidheprobablylostthewalletwhilecheeringfortheBakerHighbasketballteamwithagroupoffriends.FultonsaidthebicycleIDwasneededbecausehedeliveredmedicineforRodamarDrug.HewassurprisedhoweverthathisbicycleIDwasn’tinsidE.HesaidhealwayskeptittherE.Butratherthanfocusonwhatwasinsidethewallet.Fultonsaidtherecoveryhasledhimtoreflectonhislife—onethattookhimtotheKoreanWarandBerlinbeforethereturntoBakerCity.HeworkedatEllingsonLumberCompanyfor30yearsfromMarch1964toApril1994.SincehisretirementFultonhasenjoyedspendingtimewithhis11-year-oldblackdogSmokey.Thetwooftenhikethenearbymountains.Trindle’sknockonthedoorwalletinhandinduced导致/引发aslightrippleinhislifepromptinghimtoconsiderthetimeshehadn’tthoughtaboutinmanyyears.Wheredidallthetimesgo?Fultonsaidwithadeepsigh.It’shardtobelievethatthetimeshavegonesofast.31.Whenthewalletwasfoundit.A.wasstillingoodconditionB.wasalittledamagedC.hadjustlostcolorD.wasjustrepaired32.ThewalletwasimportanttoFultonbecause.A.hecouldgethisbicycleIDbackB.itcalleduphismemoriesofthepastC.itcouldhelphimtofindhisstudentIDD.itmadehimthinkofhisschooldays33.Fultonlostthewalletwhen.A.hewasdoinghishomeworkonthebalconybleachersB.hewasdoingsomeexerciseintheBakerMiddleSchoolgymC.hewasremovingthebleachersforrenovationsonJune17D.hewaswatchingabasketballmatchwithhisfriends34.AfterheretiredFulton.A.livedapeacefulandpleasantlifeB.oftenregrettedlosinghiswalletC.livedahardlifebyraisingdogsinthemountainsD.quitemissedhispastlife35.WhichofthefollowingmaybestdescribeFulton’sfeelingwhenthewalletwasreturned?A.Thankful.B.OverjoyeD.C.SurpriseD.D.Doubtful.
Haveyoueverwantedtobehealthier?Getapet!Thatiswhattheexpertsaresaying.TherearemanyadvantagestoowningapetnomatterwhetheritisacatdogorhorsE.SomenewparentsareofteninarushtogetridoftheirpetswhenababyisexpecteD.Yetstudieshaveshownthathavingapetathomeactuallyreducesachild’slikelihoodofdevelopingcertainkindsofdiseases.Inonestudyaresearcherstudied300new-bornbabiesandtestedthemagainayearlater.Hefoundthatiftheyhadadogathomethechildrenhadupto33%fewerallergies过敏症.Inadditionthechildrenhadstrongerimmunesystems免疫系统whencomparedtothebabiesofhomeswithnopets.Inanotherstudyresearcherstestednearly4500peoplE.Theyfoundthatcatownerswhospenttimestroking抚摸theircatssuffered40%fewerheartattacksthanthosewhodidnotownacat.Someotherstudiesalsofoundthatpetownerssufferedlessseriousfromdepression沮丧thannon-petowners.Horseshavelongbeenusedintreatmentsfordisabledpeoplebothphysicallyandmentally.Notonlydoesthemovementofthehorsehelppeoplewithphysicalproblemsbutthecalminginfluenceoftheanimalshasapositiveeffectonthemtoo.Amazingchangeshavebeennotedindisabledpeoplewhoareluckyenoughtoreceivethesetreatments.Fromcatstohorseshavingapetcanreallyhavepositiveeffectsonourhealth.32.Whatdoestheunderlinedwordinthesecondparagraphprobablymean?A.DegreE.B.Opportunity.C.Possibility.D.Decision.33.Fromthesecondandthirdparagraphswecaninferthat______.A.havingapetathomemakesababyweakB.non-petownersmayeasilysufferfromdepressionthanpetownersC.thechildreninhomewithoutadogmayhavestrongimmunesystemD.keepingapetcatisbetterthankeepingapetdog34.Whatisthemainideaofthefourthparagraph?A.HowtoraiseahorsE.B.HowhorsesbenefitdisabledpeoplE.C.Thewayofkeepinghealthy.D.HowtotreatdisabledpeoplE.35.WhichofthefollowingisTRUEaccordingtothetext?A.Newparentssometimesrefusetohaveapetwhentheyhaveababy.B.Catownerssuffermoreheartattacksthanothers.C.Ifyouwanttokeephealthydonothingbutkeepapet.D.HorsescancuretheproblemsofdisabledpeoplE.
Chocolateisgoodforyourheartskinandbrain.Usuallypeoplethinkthatchocolateisbadfortheirhealth.Theydescribechocolateassomethingtodiefororsaydeathbychocolate.Nowtheyshouldbitetheirtongues!Evidenceisshowingthatsomekindsofchocolateareactuallygoodforyouinthefollowingways:AhappierheartScientistsatHarvardUniversityrecentlyexamined136studiesoncocoa—themainingredientinchocolate—andfoundthatitdoesseemtostrengthentheheart.Studieshaveshownheartbenefitsfromincreasedbloodflow.Thesebenefitsaretheresultofcocoa’schemicalswhichseemtopreventbothcelldamageandinflammation炎症BetterbloodpressureIfyoursishighchocolatemayhelp.JeffreyBlumbergfromTuftsUniversityrecentlyfoundthatpeoplewithhighbloodpressurewhoate3.5ouncesofdarkchocolateperdayfortwoweekssawtheirbloodpressuredropquickly.MusclemagicChocolatemilkmayhelpyourecoverafterahardworkout锻炼.InasmallstudyatIndianaUniversitypeoplewhodrankchocolatemilkbetweenworkoutsdidbetteronatirednesstestthanthosewhohadsomesportsdrinks.BetterforyourskinGermanresearchersgave24womenahalf-cupofspecialcocoaeveryday.Afterthreemonthsthewomen’sskinwasmoisterandsmoother.TheresearchshowsthatchocolatehelpsprotectandincreasebloodflowtotheskinimprovingitsappearancE.Braingains.Itsoundsalmosttoogoodtobetruebutresearchsuggeststhatchocolatemayimproveyourmemoryattentionspanreactiontimeandproblem-solvingskillsbyincreasingbloodflowtothebrain.1.What’sthemeaningofbitetheirtonguesinthefirstparagraph?A.Stoptalking.B.Speakup.C.Thinkofit.D.Listentoit.2.What’sthemeaningoftheunderlinedsentenceinthefourthparagraph?A.Sportsdrinksarebetterthanchocolatemilk.B.sportsdrinkscanmakepeopleeasytobetireD.C.Drinkingmilkcankeepyouenergeticatwork.D.weshoulddrinkchocolatemilkbetweentimeswhenweworkharD.3.What’sthebesttitleforthispassage?A.ChocolateaHealthyFoodB.MoreChocolateLessHealthC.ChocolateandBloodPressureD.AdviceonEatingChocolate
ThebedshouldbereservedasaplaceforsleepbutpeopletendtoreadaniPadalotinbedbeforetheygotosleep.CharlesCzeisleraprofessoratHarvardMedicalSchoolandhiscolleaguesgotasmallgroupofpeopleforanexperiment.ForfivedaysinarowthepeoplereadeitherapaperbookoraniPadforfourhoursbeforesleep.Theirsleeppatternsweremonitoredallnight.Beforeandaftereachtrialperiodthepeopletookhourlybloodteststopaintaday-longpictureofjusthowmuchmelatonin褪黑激素wasintheirbloodatanygiventimE.WhensubjectsreadontheiPadascomparedtothepaperbookstheyreportedfeelinglesssleepyatnightandlessactivethefollowingmorning.PeoplealsotooklongertofallasleepontheiPadnightsandthebloodtestsshowedthattheirmelatoninsecretion分泌wasdelayedbyanhourandahalf.Theresearchersconcludeintoday'sjournalarticlethatgiventheriseofe-readersandtheincreasinglywidespreaduseofe-thingsamongchildrenandadolescentsmoreresearchintothelong-termconsequencesofthesedevicesonhealthandsafetyisurgentlyneedeD.CzeislerandcolleaguesgoonintheresearchpapertonoteReadinganiPadinbedmayincreasecancerrisk.Howeversoftwarehasbeendevelopedthatcanreducesomeofthebluelightfromthescreensofphonesandcomputersaccordingtotimeofdayandtherearealsoglassesthataremadetofilter过滤shortwavelengths.Whiletheyseemlikealogicalsolutionforthenighttimetechusersitneedsmoreresearch.28.InCharlesCzeislersexperimentallthesubjectswereaskedto______.A.sitinarowandreceivethestricttestsB.havetheirsleeppatternsobservedallnightC.readapaperbookandaniPadatthesametimeD.havetheirbloodtestedperhourduringthetrial29ThethirdparagraphtellsustheiPadreaderswerelikelyto____________.A.feellesssleepyandtiredinthedayB.fallasleepmoreeasilyafterreadingC.becomelessenergeticthenextmorningD.havealotmoremelatoninsecretion30.Thespecialsoftwarerecentlydevelopedcan______.A.removethebluelightfromyourdevicescompletelyB.helppreventeyesbeingharmedbyshortwavelengthC.weakentheharmdonebydoingnighttimee-readingD.beusedinallthee-thingswidelyandsafely31.Whichofthefollowingcanbethebesttitleforthetext?A.Noe-readinginbedbeforesleepB.Newsoftwarefornighte-readersC.WrongbehaviorsbeforebedtimeD.NogamesoniPadinbed
Sportisnotonlyphysicallychallengingbutitcanalsobementallychallenging.Criticismfromcoachesparentsandotherteammatesaswellaspressuretowincancreateanexcessiveamountofanxietyorstressforyoungathletes.Stresscanbephysicalemotionalorpsychologicalandresearchhasindicatedthatitcanleadtoburnout.BurnouthasbeendescribedasdroppingorquittingofanactivitythatwasatonetimeenjoyablE.Theearlyyearsofdevelopmentarecriticalyearsforlearningaboutoneself.ThesportsettingisonewherevaluableexperiencescantakeplacE.Youngathletescanforexamplelearnhowtocooperatewithothersmakefriendsandgainothersocialskillsthatwillbeusedthroughouttheirlives.Coachesandparentsshouldbeawareatalltimesthattheirfeedbacktoyoungsterscangreatlyaffecttheirchildren.Youngstersmaytaketheirparents'andcoaches'criticismstoheartandfindaflaw缺陷inthemselves.Coachesandparentsshouldalsobecautiousthatyouthsportparticipationdoesnotbecomeworkforchildren.Theoutcomeofthegameshouldnotbemoreimportantthantheprocessoflearningthesportandotherlifelessons.Intoday'syouthsportsettingyoungathletesmaybeworryingmoreaboutwhowillwininsteadofenjoyingthemselvesandthesport.Followingagamemanyparentsandcoachesfocusontheoutcomeandfindfaultwithyoungsters'performances.PositivereinforcementshouldbeprovidedregardlessoftheoutcomE.Researchindicatesthatpositivereinforcementmotivatesandhasagreatereffectonlearningthancriticism.Againcriticismcancreatehighlevelsofstresswhichcanleadtoburnout.6.Aneffectivewaytopreventtheburnoutofyoungathletesis______A.toreducetheirmentalstressC.tomakesportslesscompetitiveB.toincreasetheirsenseofsuccessD.tomakesportsmorechallenging7.Accordingtothepassagesportispositiveforyoungpeopleinthat____.A.itcanhelpthemlearnmoreaboutsocietyB.itenablesthemtofindflawsinthemselvesC.itcanprovidethemwithvaluableexperiencesD.itteachesthemhowtosetrealisticgoalsforthemselves8.Manycoachesandparentsareinthehabitofcriticizingyoungathletes______.A.believingthatcriticismisbeneficialfortheirearlydevelopmentB.withoutrealizingcriticismmaydestroytheirselfconfidenceC.inordertomakethemrememberlife'slessonsD.soastoputmorepressureonthem9.Accordingtothepassageparentsandcoachesshould_____________.A.paymoreattentiontolettingchildrenenjoysportsB.helpchildrentowineverygameC.trainchildrentocopewithstressD.enablechildrentounderstandthepositiveaspectofsports10.Theauthor'spurposeinwritingthepassageis____________.A.toteachyoungathleteshowtoavoidburnoutB.topersuadeyoungchildrennottoworryaboutcriticismC.tostresstheimportanceofpositivereinforcementtochildrenD.todiscusstheskillofcombiningcriticismwithencouragement
Here’sanewwarningfromhealthexperts:sittingisdeadly.Scientistsareincreasinglywarningthatsittingforlongperiodsevenifyouexerciseregularlycouldbebadforyourhealth.Anditdoesn'tmatterwherethesittingtakesplace--intheofficeatschoolinthecarorbeforeacomputerorTV.Justtheoverallnumberofhoursittakesmatters.SeveralstudiessuggestpeoplewhospendmostoftheirdayssittingaremorelikelytobefathaveaheartattackorevendiE.Whilehealthofficialshaveissued发布guidelinesadvisingontheleastamountsofphysicalactivitiestheyhaven’tsuggestedpeopletrytolimithowmuchtimetheyspendinaseatedposition.AfterfourhoursofsittingthebodystartstosendharmfulsignalssaidEkblom-BakoftheSwedishSchoolofSportandHealthSciences.Sheexplainedthatgenescontrollingtheamountofglucose葡萄糖andfatinthebodystarttoshutdown.Evenforpeoplewhoexercisespendinglongperiodsoftimesittingatadeskisstillharmful.TimArmstrongaphysicalactivityexpertattheWorldHealthOrganizationsaidpeoplewhoexerciseeverydaybutstillspendalotoftimesittingmightgetmorebenefitsifthatexercisewerespreadacrossthedayratherthaninasinglehour.Stillinastudythattrackedmorethan17000Canadiansforaboutadozenyearsresearchersfoundpeoplewhosatmorehadahigherdeathriskwhethertheyexercisedornot.Expertssaidmoreresearchisneededtofigureoutjusthowmuchsittingisdangerousandwhatmightbepossibletooffsetthoseeffects.PeopleshouldkeepexercisingbecausethathasalotofbenefitsEkblom-BaksaiD.Andwhenthey’reintheofficetheyshouldtrytointerruptsittingasoftenaspossiblE.24.TheunderlinedwordoffsetinParagraph6mostprobablymeans.A.turntoB.workoutC.getridofD.makeuseof25.Sittingtoomuchisdangerousbecauseitcan.A.makeapersonunabletoexerciseenoughinadayB.destroythebalanceofglucoseandfatinthebodyC.increaseglucoseandfatinthebodyD.makeapersonbecomelazy26.IntheopinionofEkblom-Bakwhenatworkyou’dbetterhavearestby.A.sendingyourfriendsemailsB.takingawalkaroundyourofficeC.chattingonlineorplayingcomputergamesD.listeningtomusicwhilesitting27.Whichofthefollowingmightbethebesttitleforthepassage?A.SideEffectsofSittingTooMuchB.Don’tSitTooMuchWhileWorkingC.MoreandMorePeopleSitTooMuchD.SittingTooMuchCouldBeDangerous
Badteethmaybepainfulandit’sgettingworsewithouttreatment.TheycanevenruinyourlifE.Illnessoftheteethcanfinditswayintothebloodsystem.Thiscanincreasethechancesofaheartdiseaseorotherillnesses.Expertssaygoodcareforteethshouldstartatbirth.Mothers’milkisthebestfoodforthehealthydevelopmentofteeth.Butdentistssayababy’smouthandearlyteethshouldbecleanedaftereachfeeding.Useaclothwithalittlewarmwater.DothesameifababyisfedwithabottlE.Expertssayifyoudecidetoputyourbabytosleepwithabottlegivehimonlywater.Whenbaby’steethbegintoappearyoucancleanthemwithawettoothbrush.Dentistssayitisimportanttofindsofttoothbrushesmadeespeciallyforbabiesandtousethemverygently.Youngchildrenofteneattoothpaste牙膏whentheybrushsotheyshouldbecarefullywatchedwhentheybrushtheirteeth.Parentsoftenaskwhateffectthumbsucking咬手指mighthaveontheirbaby’steeth.ExpertsgenerallyagreethatthisisfineearlyinlifE.Mostchildrenstopsuckingtheirthumbsbytheageoffour.Ifitcontinuesparentsshouldtalktotheirchildren’sdentistordoctor.DentistssaychildrenshouldhavetheirfirstdentalvisitbythetimetheyareoneyearolD.Theysaybabiesshouldbeexaminedwhentheirfirstteethappearusuallyataroundsixmonths.32.Whyshouldpeoplepayattentiontoteethproblems?A.Theycancauseotherillnesses.B.Theywillbringbadluck.C.TheywillbringthefamilymuchtroublE.D.TheyusuallylastalongtimE.33.Accordingtothewriterbaby’steethshouldbeprotectedfromtheday______.A.hebeginstospeakB.hehashisfirsttoothC.hewasbornD.heisfedwithbottlemilk34.Wecanlearnfromthepassagethat____.A.childrenarenotadvisedtobrushtheirteethB.drinkingwaterisbetterthanmilkbeforesleepingC.children’stoothbrushesarealwaysexpensiveD.thumbsuckingiscommonforkidsunderfiveyearsold35.TheunderlinedworditinParagraph5refersto_____.A.toothacheB.parents’troubleC.thumbsuckingD.experts’advice
Everyoneknowsthateatingtoomuchjunkfoodisnotgoodtoourhealth.Yetwhatisitaboutjunkfoodthatissocompletelyirresistible无可抗拒的?Foronethingit’severywherE.FromchipsinfastfoodrestaurantstocandyinsupermarketsjunkfoodalwaysseemsavailablE.Thankfullyscienceisnowprovidingnewcluestohelpusreducesnacking.Makefriendswithdainty讲究的eaters.Studieshavefoundthatpeopletendtoincreaseorreducetheamountoffoodtheyeatdependingonwhattheircompanionsaretakingin.Seehappymoviesandalwaysgetthesmallerbagofpopcorn爆米花.Accordingtosomeexpertspeopleeatupto29%morepopcorniftheyarewatchingasadorseriousmoviecomparedtowhentheyarewatchingacomedy.Viewersconsumedalmost200caloriesmorewhensnackingfromalargebucketasopposedtowhengivenamedium-sizedcontainer.Eatbreakfast.Nutritionistshavegonebackandforth来来回回aboutthequestionofhowmuchtoeatinthemorningbutnewstudiessuggestthatconsumingagoodbreakfastisamust.Surveysonlong-termweight-lossshowthattwokeyfactorsinkeepingweightdownareeatingbreakfastandexercising.Divideyourfoodandconquerovereating.Anykindofdividingyourfoodintoportionsslowsdownyoureating.Anykindofmarkermakesyouawareofwhatyou’reeatingandofportionsizE.Researchersadvisereallocating再分配snackfoodsintosmallplasticbags.Itsoundssimplisticbutitworks.25.Whydopeopleeattoomuchjunkfoodthoughitisbadforourhealth?A.It’sdeliciousfromchipstocandy.B.It’seasilytakeneverywherE.C.Becauseit’savailablehereandtherE.D.It’seasilyboughtinfastfoodrestaurants.26.WhichofthefollowingisTRUEaccordingtothepassage?A.Peoplearelikelytoeatmorefoodwhenstayingwithfriends.B.Nutritionistshavethesameopinionabouthowmuchtoeatinthemorning.C.Peopleprefertosnakefromalargebucket.D.Ifpeoplearewatchingatragedytheyeatupto29%morepopcorn.27.Whatwillheorshedoifheorshewantstoloseweight?A.Toeatnothinginthemorning.B.ToeatbreakfastandexercisE.C.TogetupearlyandtogotobedlatE.D.Tosnackfromamedium-sizebucket.28.Whatisthetextmainlyabouttherules?A.howtoeatproperlyandhealthily.B.howtomakefriendswithdaintyeaters.C.howmuchtoeatinthemorning.D.howtocontrolovereating.
Inthelast30yearstheMake-A-WishFoundationhasgrantednearly300000wishesworldwidetochildrenbattlinglife-threateningillnessesthrowinglightonworldsdarkenedbydiseasesandbringinghopetochildrenandtheirfamilies.Withaforeword序byMake-A-WishcofounderFrankShankwitzOnceUponAwishsharesthewishesandstoriesofeightchildren.Thesefamiliesgenerouslyinviteusintotheirworldsallowingustobecomepartoftheirdarkestmomentstheirunimaginablerealitiestheirgreatesthopesdeepestfearsandunbelievablesuccesses.ExperiencethestoryofKatelynalittlegirlbecomingamedicalmarvel奇迹afterlightingalltheoddsstackedagainstherandmakingitherlife-longgoaltoraise$3millionforSt.JudeHospital;readaboutawheelchair-boundboyGarrettgivingthegiftofmobilitytodisabledCambodianmenandwomen;cheerforalittleboyDakotawhocollectsmillionsofpennieseachyeartohelpothersfightthediseaseheoncefought.Becomeinspiredandforever-changedbythegenerosityhopecourageandoptimismofthesechildrenandtheirfamiliesandexperiencethepoweroftwowords-Iwish.OnceUponA.Wishisacelebrationofhoperevealinghowwishes-come-truecanbecomemotivatorsandcherishedgiftsthatwilllastalifetimE.Price:$9.99Wheretodownload:AvailableontheiPhoneiPadiPodtouchandMaC.Category:Biographies&MemoirsPublished:Mar052013Publisher:BenBellaBooksInC.Seller:ThePerseusBooksGroupLLCPrintLength:352PagesLanguage:English33.WecanlearnthattheMake-A-WishFoundation____.A.wassetupintheearly1990sB.wassetuptohelppoorpeopleallovertheworldC.mainlyoffersfreetreatmenttoseverelysickchildrenD.aimsathelpingseverelysickchildrenfulfilltheirwishes34.WhatisOnceUponA.Wishmainlyabout?A.Wishesandstoriesofeightchildren.B.ThehistoryoftheMake-A-WishFoundation.C.Somechildren'sexperiencesofhelpingothers.D.FrankShankwitz'spersonalexperienceswithsomechildren.35.Dakotaspendsthemoneyhecollectsinhelping____.A.tosetupSt.JudeHospitalB.peopleinfectedwithAIDSC.disabledCambodiansmovearoundD.thosewhoarefightingthesamediseaseasheoncehad
Sportsisnotonlyphysicallychallengingbutitcanalsomentallychallenging.Criticismfromcoachestrainersparentsandotherteammatesaswellaspressuretowincancreatetoomuchanxietyorstressforyoungathletes.Stresscanbephysicalemotionalorpsychologicalandresearchhasshowedthatitcanleadtoburnout.BurnouthasbeendescribedasdroppingorquittingofanactivitythatwasatonetimeenjoyablE.Theearlyyearsofdevelopmentarecriticalyearsforlearningaboutoneself.ThesportsettingisonewherevaluableexperiencescantakeplacE.Youngathletescanforexamplelearnhowtocooperatewithothersmakefriendsandgainothersocialskillsthatwillbeusedthroughouttheirlives.Coachesandparentsshouldbeawareatalltimesthattheirfeedback反馈toyoungsterscangreatlyaffecttheirchildren.Youngstersmaytaketheirparents’andcoaches’criticismstoheartandfindaflawinthemselves.Coachesandparentsshouldalsobecautiouscarefulthatyouthsportparticipationdoesnotbecomeworkforchildren.Theoutcomeofthegameshouldnotbemoreimportantthantheprocessoflearningthesportandotherlifelessons.Intoday’syouthsportsettingyoungathletesmaybeworriedmoreaboutwhowillwininsteadofenjoyingthemselvesandthesport.Followingagamemanyparentsandcoachesfocusontheoutcomeandfindfaultwithyoungsters’performances.PositivereinforcementshouldbeprovidedinspiteoftheoutcomE.Researchshowsthatpositivereinforcementmotivatesandhasagreatereffectonlearningthancriticism.Againcriticismcancreatehighlevelsofstresswhichcanleadtoburnout.5.Accordingtothepassagesportsispositiveforyoungpeopleinthat_____.A.itcanhelpthemlearnmoreaboutsocietyB.itteachesthemhowtosetrealisticgoalsforthemselvesC.itenablesthemtofindflawsinthemselvesD.itcanprovidethemwithvaluableexperiences6.Manycoachesandparentsareinthehabitofcriticizingyoungathletes_________.A.withoutrealizingcriticismmaydestroytheirself-confidenceB.inordertomakethemrememberlife’slessonsC.believingthatcriticismisbeneficialfortheirearlydevelopmentD.soastoputmorepressureonthem7.Accordingtothepassageparentsandcoachesshould_______.A.helpchildrentowineverygameB.paymoreattentiontolettingchildrenenjoysportsC.enablechildrentounderstandthepositiveaspectofsportsD.trainchildrentodealwithstress8.Theauthor’spurposeinwritingthepassageis_______.A.topersuadeyoungchildrennottoworryaboutcriticismB.toemphasizetheimportanceofpositivereinforcementtochildrenC.todiscusstheskillofcombingcriticismwithencouragementD.toteachyoungathleteshowtoavoidburnout
Sleepwalkingisverycommon.Infactyoumightbeasleepwalkerandnotevenknowit.It'smorecommonwithchildrenusuallybetween5and12yearsolD.SleepwalkingusuallyhappensaboutanhourorsoafterakidhasgonetobeD.Hewillsitrightupeyeswideopenandwillevenrespondifyouaskhimaquestion.A.sleepwalkercangetdressedturnonlightswanderaroundthehouseandopenthefridgE.ThequestionthatmostpeoplewanttoknowisShouldyouwakeasleepwalker?lotsofpeoplethinkit'sdangeroustowakesomeonewho'ssleepwalking.It'smoreforyoursafetythanfortheirs.BruceA.Epsteinhassomeadviceforanyonewhohastodealwithasleepwalker.Brucesaysthesleepwalkershouldbetakenbytheelbow肘andgentlyledbacktobeD.It'susuallyhardtowakeupasleepwalker.Themainreasonthatyoushouldn'twakeasleepwalkerisbecauseofhisreactiontobeingwokenup.SomeofthembecomereallyfrighteneD.Ifthat'sthecaseyoushouldn'ttouchthemorleadthembacktobedaccordingtoDr.RichardFerberDirectoroftheCenterforPediatricSleep.AtChildren'sHospitalinBostonsomeupsetsleepwalkerswillbeatsomeoneviolentlyifthey'retoucheD.Inextremecasespeoplehavebeenseriouslyinjuredorevenkilledbecauseofsleepwalking.Sosaveyourselffromsomehurtslockupsharpobjectsanddon'twakeasleepwalker.Youcanhowevertellthemallaboutitthenextday.Don'tworryaboutthepoint--theywon'trememberathingabouttheirsleepwalkinginthemorning.32.Ifasleepwalkergoestobedat22:20sleepwalkingmayhappenataboutA.22:20B.22:50C.23:20D.23:5033.AccordingtothepassagewhichofthefollowingstatementsisNOTtrue?A.Somesleepwalkerscanansweryourquestions.B.Lockupsharpobjectswhensomeoneissleepwalking.C.Usuallyasleepwalkermaybewokenupeasily.D.Somesleepwalkersmaykillpeopleinextremecases.34.Youmightbeasleepwalkerandnotevenknowitbecause____.A.youmayforgetthethingaboutyoursleepwalkinginthemorningB.someoneelsedoesn'twakeupwhenyouaresleepwalkingC.yousleepwalkintheeveningandnobodyknowsthatD.someoneelseleadsyoubacktobedbeforeyouwakeup35.WhichofthefollowingstatementsisNOTmentionedinthepassage?A.Bruce'sadviceonhowtodealwithasleepwalker.B.Whatasleepwalkermaydowhenheissleepwalking.C.Whypeopleshouldn'twakeasleepwalkerup.D.Whypeoplesleepwalkintheevening.
Theweatherisgettinghotter.Youarethirstyplayingbasketballorridinghomefromschool.A.colddrinkmaybejustthething.Butbecarefulwhatyouaredrinking.Somethingthatlookscoolmaynotbegoodforyourhealth.Thereareplentyofenergydrinksonthemarket.Mostofthemhavebeautifulcolorsandcoolnames.Thelistsonthemtellyoutheyarehelpfultoyourhealth.Soundsgreat!Butafteracarefulcheckyoumayfindthatmostenergydrinkshavelotsofcaffeine咖啡因inthem.Thesedrinksareespeciallyaimedatyoungpeoplestudentsbusypeopleandsportsplayers.MakerssometimessaytheirdrinksmakeyoubetteratsportsandcankeepyouawakE.Butbecarefulnottodrinktoomuch.Caffeinemakesyourheartbeatfast.BecauseofthistheInternationalOlympicCommitteehaslimited限制itsusE.CaffeineinmostenergydrinksisatleastasstrongasthatinacupofcoffeeorteA.Possiblehealthdangershavesomethingtodowithenergydrinks.Justoneboxofenergydrinkcanmakeyounervoushavedifficultysleepingandcanevencauseheartproblems.Scientistssaythatteenagersshouldbediscouragedfromtakingdrinkswithalotofcaffeineinthem.46.ManypeoplelikedrinkingenergydrinksbecauseofthefollowingEXCEPTthat________.A.theyhavebeautifulcolorsandcoolnamesB.theyhavelotsofcaffeineC.theycankeepthemawakeandbetteratsportsD.theyaresaidtobehelpfultohealth47.Themainreasonforpeoplenottodrinktoomuchenergydrinksisthattheymaycause_____.A.heartproblemsB.nervousnessC.sleepingdifficultyD.possiblehealthdangers48.Theunderlinedworddiscouragedcanbereplaced替换with________.A.encouragedB.stoppedC.helpedD.disliked49.Fromthepassagewecanknowthat_________.A.advertisementsareimportantingettingpeopletobuyenergydrinksB.energydrinksarehelpfultoteenagers'studyC.sportsplayersneedtodrinkalotofenergydrinksD.energydrinksareespeciallyaimedatteenagers50.Whichofthefollowingcanbethebesttitle标题ofthepassage?A.What'stheUseofEnergyDrinks?B.WhoCanDrinkEnergyDrinksC.What'sThatinEnergyDrinks?D.WhyCan'tWeBuyEnergyDrinks?
Manstillhasalottolearnaboutthemostpowerfulandcomplexpartofhisbody---thebrain.Itmaybesurprisingtolearnthatitisn'tagethatmakesyouloseyourmemory.ThereasoncouldbethatyouhavealazymemorynotanoldonE.LikeyourbodyyourmemoryimproveswithexercisE.Oncegivenplentyofexercisethebrainkeepsitspower.Beforediscussinghowtoimprovethememorylet'slookathowthebrainworks.Therearetwosidestothebraintheleftandtheright.Therightsidedealswiththesenseswhatweseehearfeelandsmell.It'sthecreativeandimaginativesidE.TheleftsideisconcernedwithlogiC.Itanalyzesinformationandputsitinorder.Somerecentresearchsuggeststhatweremembereverythingthathappenstous.Theproblemmostofushasisrecallingevents.Mostforgettingtakesplaceimmediatelyafterlearning.Anhourafterlearningsomethingnewmorethan50%hasbeenforgotten.Afteramonth80%hasbeenforgottenandsoon.Thisshowsrevisionisveryimportant.IfyourevisenewmaterialyouhavelearntyouremembermuchmorE.Soit'sofvitalimportancetorevisenewlylearnedmaterialoftenandhavefrequentbreaks.Webestrememberwhatwelearnatthebeginningofalearningperiodandatthepointwherewestop.Afterthebreakrevisewhatwaslearnedbeforethebreakandthencontinuelearningthenewmaterial.Thesebreaksshouldhappenevery20or45minutes.OtherexperimentshaveshownthebrainneedstimetodigestwhathasbeenlearneD.Thetimenecessaryforthisis5to10minutes.AfterthebreakthememorywillhaveabsorbedwhatithasjustlearnedandmorewillberemembereD.DuringthisperioditisimportanttoexercisetherightsideofthebrainbecausetheleftsideisusedduringthelearningperioD.Thereforeyoushouldrelax.Listeningtomusicbreathinginfreshairandlookingatapictureareallwaysofusingtheothersideofthebrain.Sowhenyouarestudyingalonemakeaplanwhichshowswhentohavebreaksandtorevisenewlylearnedmaterialimmediatelybeforeyoubeginstudyingagain.Ifyoudointhiswayyourmemorywillimprove32.Accordingtothetextyouloseyourmemoryby___.A.gettingtoooldB.hardlyusingyourbrainC.workingtoohardD.usingyourbraintoomuch33.Tofightforgettingeffectivelywe'readvisedto___.A.gobacktowhatwaslearnedregularlyB.breakdownmaterialsintosmallpiecesC.focusonbothendsofalearningperiodD.takebreakstogivethebrainagoodrest34.Duringthelearningprocessthebrainneedbreaksto___.A.usetherightsideofthebrainB.revisenewlylearntmaterialsC.takeinwhathasbeenlearntD.relaxtheleftsideofthebrain35.Whereisthistextmostprobablytakenfrom?A.Sciencefictions.B.Students'literaturE.C.Anadvertisement.D.A.sciencereport.
LifeexpectancyisrisinginmuchoftheworlD.Butdoctorsareseeinganothertrendthatisdisturbing.Somepeoplearechoosinglifestylesthatcontributetoearlydeath.Itusedtoberareforpeopletoliveto100.Butbabiesborncanhopetolivethatlong.Inthe20thcenturylifeexpectancyinwealthynationsincreasedbyasmuchas30years.AveragelifeexpectancyforAmericansis78.Butdoctorsareseeingpeopleadoptbadhabitsthatcancuttheirlivesshortlikeeatingtoomuchoreatingtoomuchjunkfoodexercisingtoolittleandsmokingcigarettes.Thesehabitsincreasetheriskforcancerdiabetes糖尿病heartdiseaseandstroke中风.Researcherswantedtofindouthowmanyyearsarelostwiththeselifestylechoices.Whatwefoundwasthathighbloodpressure;smokingoverweight/obesityandhighbloodglucose血糖accountforfiveyearsoflossoflifeexpectancyinmenandaboutfouryearsinwomenatthenationallevelGoodarzDanaeisaiD.Theresearchersbrokedownthedataintoraceincomeandlocaleandtheyfoundevengreaterdifferences.MiddleincomewhiteshavethebestbloodpressurE.ButAsianAmericanshavefewerbadhabitsandthebesthealth.Theresearchersfounda14yeardifferenceinlifeexpectancybetweenAsianAmericanandAfricanAmericanmenwhocanexpecttoliveanaverageof67years.AfricanAmericanmeninthesouthhavethelowestlifeexpectancyalongwithAfricanAmericanmenlivinginhighriskurbanareasplaceslikedowntownLosAngelesDanaeiexplaineD.AfricanAmericanwomenareanothergroupwithlowlifeexpectancybecauseoftheirhighratesofobesity.Peoplebattlingexcessweighthavehigherratesofdisabilitydiabetesandheartdisease—disordersthatmakethemsickeratyoungeragesanddependentonmedicationsformanyyears.33.Howmanybadlifestylesarementionedinthepassage?A.1.B.2.C.3.D.4.34.Whydoesthewritersaybabiesborncanhopetoliveto100?A.Becausenewlybornbabieshaven'tcreatetheirlifestyles.B.Becausenewlybornbabiesarebetterinhealth.C.Becausenewlybornbabiesliveinawealthycountry.D.BecausenewlybornbabiescangetmorefrompeoplE.35.WhichofthefollowingstatementsisNOTrightaccordingtothelastparagraph?A.ManyAfricanAmericanwomenareoverweight.B.Howtofightagainstoverweightisstillaproblem.C.Youngpeopleareeasytogetoverweight.D.Overweightisonecausetoshortlifeexpectancy.
HabitswhethergoodorbadaregraduallyformeD.WhenapersondoesacertainthingagainheisdrivenbysomeunseenforcetodothesamethingrepeatedlythenahabitisformeD.Onceahabitisformeditisdifficultandsometimesimpossibletogetridof.Itisthereforeveryimportantthatweshouldpaygreatattentiontotheformationofhabits.ChildrenoftenformbadhabitssomeofwhichremainwiththemaslongastheylivE.Olderpersonsalsoformbadhabitslastingaslongastheyliveandsometimesbecomeruinedbythem.Thereareotherhabitswhichwhenformedinearlylifeareofgreathelp.Manysuccessfulmensaythatmuchoftheirsuccesshassomethingtodowithcertainhabitsinearlylifesuchasearlyrisinghonestyandsoon.Amongthehabitswhichchildrenshouldnotformarelazinesslyingstealingandsoon.Thesearealleasilyformedhabits.Unfortunatelyolderpersonsoftenformhabitswhichcouldhavebeenavoided.Weshouldkeepawayfromallthesebadhabitsandtrytoformsuchhabitsaswillbegoodforourselvesandothers.1.________areformedlittlebylittlE.A.GoodhabitsB.BadhabitsC.BothgoodhabitsandbadhabitsD.Eithergoodhabitsorbadhabits2.Theunderlinedwordtheminthefirstparagraphrefersto________.A.badhabitsB.goodhabitsC.childrenD.otherpersons.3.Whyshouldwepaymuchattentiontotheformationofhabits?A.Becausehabitsareofgreathelptoeveryoneofus.B.Becauseamancannevergetridofahabit.C.Becauseit'shardandsometimesevenimpossibletothrowawaybadhabits.D.Becauseweareforcedtodothemagainandagain.4.Accordingtothepassageearlyrising________.A.hassomethingtodowithsuccessB.isaneasilyformedhabitC.issuchahabitasshouldhavebeenavoidedD.issuchahabitaswillbekept
TherehavealwaysbeenalotofcommonlybelievedbutfalseideasaboutbeingfatanddoingexercisE.Somepeoplebelievethattheycan’thelpputtingonweightastheygetolderwhileothersholdthatiftheystopexercisingtheirmuscleswillturnintofat.Herearesomemoremyths:I’llneverloseweight-IcomefromafatfamilyWrong!Whilewecan’tchangethebodytypewearebornwithwecan’tblameourgenesformakingusfat.There’splentyofevidencethatfatnessrunsinfamiliesandthemainreasonisthattheysharethesamehabitsofeatingtoomuchandexercisingtoolittlE.IamfatbecauseIburncaloriesslowly.Wrong！Fatnessisnotcausedbyaslowmetabolism新陈代谢.Infactalthoughfatpeopleconsumemoreenergythanslimpeopletheyalsofailtorealizehowmuchtheyeat!Keepingadiarycanhelpyouworkoutyourdailyfoodintakemoreaccurately.ExerciseisboringWrong!Anythingwillbecomeboringifyoudoitrepetitively.Thekeyistodevelopabalancedandvariedprogramthat’sfunaswellasprogressivE.IfyouenjoyaSundaywalktakeadifferentroutE.Ifyoudoyogatryataichiclass.IfyoulikeexerciseregularlysetyourselfadistanceortimechallengE.NopainnogainWrong!Exerciseisnotmeanttohurt.Indeedpainisyourbodytellingyousomething’swrongandcontinuingtoexercisecouldleadtoseriousinjury.Youmayexperiencemilddiscomfortasyoubegintoexerciseregularlybutthisisyourbodyadaptingtothepositivechangesinyourlifestyleandtheachesshoulddisappearrelativelyquickly.Iftheydon’trestandseekmedicaladvicE.29.Whatdoestheauthorthinkaboutbeingfat?A.Itisthefamilygenesthatmakepeoplefat.B.Peoplearefatbecausetheyconsumetoolittleenergy.C.A.diaryofexercisecanpreventpeoplefrombecomingfat.D.Itistheresultofpeople’sunbalancedlifestylE.30.Accordingtotheauthorhowcanwemakeexercisemoreinteresting?A.BytakingdifferentexercisE.B.BychoosingsimpleexercisE.C.BydoingregularexercisE.D.BystickingtooutdoorexercisE.31.Whatistheauthor’sopinionaboutNopainnogaininexercising?A.Keepingfitisbasicallyapainfulexperience.B.Exerciseshouldbestoppedifcontinuouspainisfelt.C.Paininexerciseisamustforreachingyourgoal.D.Gettingusedtopainleadstopositivechangesinyourbody.32.Whatisthepurposeofthepassage?A.Toshowtheimportanceofkeepingfit.B.Tomakesomefalseideasaboutkeepingfitclear.C.Toprovewhathaslongbeenbelievedaboutkeepingfit.D.ToexplainsomemedicalfactsaboutbeingfatanddoingexercisE.
Theworldhasafastgrowingpopulationandpeopleneedmorelandforhousesfactorieshighwaysandsoon.Thefarmlandisdecreasingwitheachpassingday.Howtomeettheneedoffeedingthegrowingpopulation?Onewayistointroducesomehigh-outputgeneintoacroptoenableittoproducemorE.BiologistsovertheyearshavediscoveredgeneswhichcanraiseoutputofthecropsresistpestsimprovetasteetC.HoweverinmanywesterncountriesthereiswidespreadconcernoverthesafetyofGeneticallyModifiedGM转基因foodsbecausetheythinktheremaybeseriousproblemsofenvironmenthealthsafetymoralityandsoon.AsascientistImustadmitGMfoodsinvolvegreatriskstohumans.InfactinEuropethey’recalledFrankensteinfoodsbymany.Frankensteinisacharacterinanovel.Hewasaverycleverscientist.Hecreatedamonster怪物whicheventuallykilledhim.Soybeanscanbemadeintomanyfoods.Howeverit’shardtotracethem.Thereforeit’sveryimportantwehavetomakesurethesoybeanifgeneticallymodifiedisfreefromanypoisonousmatterharmfultohumanbeings.Forthisweneedverygoodtesting.Wedohavesometestingonsomeanimalsbutnocompletelysatisfactorytestinghaseverbeenmadesofar.They’reentirelynewandtheirproblemsareentirelyunknown.Ittakestimetodeveloppersuasiveteststoknowwhetherthey'reharmfultousornot.WemaynotbeabletotellwhatmayhappenifwetakeGMfoods.Someofthemmayberesistanttoantibiotics抗生素.ThenmanyofthemedicineswehavetodaywillhavenoeffectonpeopleeatingGMfoods.AmorelikelycaseistheGMfoodsmaycontaingenessomepeopleareallergicto.GMproductshavealreadycomeintoourlivesbutmostpeopleevenknownothingaboutit.Atleastwehavetobeclearaboutwhatweareeating.TheChinaConsumersAssociationiscallingforlabeling标注onGMfoodssothatconsumerswillknowbeforetheybuythem.50.ThechiefpurposeofdevelopingGMfoodsisto_.A.makethefoodsmuchcheaperB.feedthefastgrowingpopulationC.makethefoodsmuchtastierD.killpestsonthecrops51.Fromthepassagewecaninferthat___________.A.FrankensteinfoodscanmakepeoplecleverB.manyEuropeansrejectGMfoodsC.GMfoodsareverypopularinEuropeD.FrankensteinwasascientistcreatingGMfoods52.TheunderlinedphrasetracetheminParagraph4probablymeans.A.findtheirmarketB.raisetheirqualityC.enjoytheirtasteD.findtheirorigins53.WhichofthefollowingisTRUEaboutGMfoods?A.SometimesconsumerscanhardlytellGMsoybeansfromnaturalones.B.ThetestingshowsGMsoybeanfoodsarefreefrompoisonousmatter.C.GMfoodsprovetobesafetohumansaftersometestingonanimals.D.GMfoodsproblemshavebeenknownaftertestingonanimals.54.Whatcanwelearnfromthepassage?A.GMfoodsmakeantibioticsfailtofunctionproperly.B.PeopleeatingGMfoodswillsufferfromfoodallergies.C.PeopleshouldbeinformedofwhichfoodsareGMfoods.D.AsGMfoodsaresafeatpresentthey’recertainlysafelateron.
TheWorldHealthOrganizationsaystherehasbeenasharpincreaseinthenumberofover-weightchildrenindevelopingcountries.InAfricancountriestheWHOsaysthenumberofover-weightorobesechildrenistwiceashighasitwas20yearsago.Aroundtheworldabout43millionchildrenundertheageoffivewereoverweightin2013.Overweightandobesechildrenaremorelikelytobecomeoverweightandobeseadults.Theconditioncangenerateserioushealthproblemslikeheartdiseases.FrancescoBrancaisthedirectoroftheWHODepartmentofNutritionforHealthandDevelopment.Hesaysurbanlifestylemakespeopleeatprocessedfoodmoreoftenwhichhasahighsugarfatandsaltcontent.Healsosayspeoplearegainingweightbecauseoftheirlackofactivities.Theytravelincarsorothervehiclesmorethanonfoot.TheWHOexpertssaytolowerobesityratesisespeciallycomplexincountriesthatalsodealwithhighratesofinfectiousdiseases.TheWHOhassomebasicsolutionsforindividualsandcountries.Theorganizationsaysyoushouldloweryourintakeoffatsugarsaltandprocessedfoodandeatmorefruitsvegetablesandincreasephysicalactivity.TheWHOsaystheseactionsareespeciallyimportantforchildren.AndWHOexpertBrancasaysmothersshouldbreastfeedtheirbabiesforatleastthefirstsixmonthsoflifeifpossible.Moreimportantlygovernmentsshouldconsiderprovidingvitaminsforchildrenandeducationalcampaignsaboutproblemslinkedtoobesitywouldalsohelp.Inhisviewgovernmentpoliciesshoulddealwithhowfoodismarketedtochildrenandfoodproducersmustbalancequalityandtastewiththedangersofsugarfatandsalt.Reducingthenumberofoverweightchildrenwillnotbeeasy.Thegoalisdifficulttomeeteveninwealthycountries.headds.1.WhatisthemainideaofParagraphl?A..Overweightchildrenindevelopingcountrieshaveincreasedgreatly.B..Childrenindevelopingcountriesgenerallyweightoomuch.C..Thenumberofoverweightchildrenintheworldhasdoubled.D..TheWorldHealthOrganizationhasincreasedgreatly.2.AccordingtoBrancapeoplearebecomingoverweightbecauseoftheirchangesin_______A..schooleducationB..transportationC..physicalconditionD..lifestyles3.TheunderlinedwordgenerateinParagraph2probablymeans______.A..cureB..causeC..worsenD..prevent4.Wecanlearnfromthelastparagraphthat______.A..babiesbreastfedaren’tlikelytobecomeoverweightB..foodproducersshouldbestoppedfrommarketingfoodtochildrenC..governmentsshouldplayanecessaryroleinfightingobesityD..thenumberofoverweightchildrendecreaseseasilyinwealthycountries
Howwouldyouliketosleepwithonehalfyourbrainasleepandtheotherhalfawake?Dolphinssleepthisway.RecentlyscientistsatIndianaStateUniversityhavediscoveredthatduckssleepthiswaytoo.TheyfoundthatduckssleephalfawakesotheycanrestandwatchfordangeratthesametimE.Afterputtingtheirducksinarowandvideotapingthemsomeresearchersfoundducksontheendofeachrowspentmoretimeasleepwithoneeyeopenlookingforpredators.ThemoretheducksfeltthreatenedthemoretheysleptwithoneeyeopensaidleadauthorNielsC.RattenborgagraduatestudentatIndianaStateUniversitytheuniqueisnotthattheydoitbutthattheycontrolit.Whentheysleepattheedgeofagrouptheytendtorealizegreaterdangersotheyspendmoretimesleepingwithonehalfoftheirbrain.DuckswithoneeyeopenwerestillawakeenoughtowatchoutforpredatorssaidtheauthorsofthestudywhichappearstodayinthejournalNaturE.Theresearchersstudiedfourgroupsoffourducksinboxeswhichwerearrangedinarow.Ducksontheendwerefoundtosleepwithoneeyeopen31.8percentofthetimecomparedto12.4percentofthetimeforducksinthecentralposition.Alsoducksinthecentralpositiondidnotopenoneeyemorethantheotherswhileducksoneachendkepttheeyefacingawayfromthegroupopen86.2percentofthetimE.Brainwavereadingsoftheducksshowedthatthehalfofthebrainreceivingsignalsfromtheclosedeyeindicatedthathalfofthebrainwassleeping.Signalsfromthehalfofthebrainreceivingsignalsfromtheopeneyeshowedtheyarebetweenfullyawakeandasleep.32.Itwasdiscoveredthat.A.dolphinssleepontheirwayB.duckscansleephalfawakeC.mostpeoplewouldliketobehalfasleepD.duckshavedifferentsleepinghabitsfromeachother33.Whichofthefollowingistrueaccordingtothepassage?A.Duckswithoneeyeopenattheedgecanstillenjoyacertaindegreeofsleep.B.Duckswithlesssenseofdutyusuallychoosetostayinthecenterofarow.C.Avideotaperecorderwastheonlyelectronicdeviceusedintheexperiment.D.Ducksonthenorthernendofarowwouldkeeptheireyefacingthesouthopen.34.Apredatorismostlikelytobe.A.ananimalthathuntskillsandeatsotheranimalsB.ahumanbeingwholooksafterandfeedsducksC.ascientistwhodoesresearchworkonanimalsD.ananimalthatislikelytobefriendswithducks35.Howmanyduckswereusedintheexperiment?A.Four.B.Eight.C.TwelvE.D.Sixteen.
Anappleadaykeepsthedoctoraway.Similarlyifwedrinkalittlemorewatereverydaywemayfindthatweneedtogotothedoctoralotlessoften.A.healthydietismadeupofwaterandagreatmanydifferentkindsoffoods.Weknowthathealthyfoodslikefruitsvegetablesandfishareimportantastheyprovideuswithenergyandfiberwithoutgivingustoomuchfatandsugar.Butwhyiswaterimportant?ThehumanbodyneedswatertosurvivE.Waterisimportantasitcarriespoisonsandwasteoutofourbodies.HoweverdoctorsadviseustodrinkplentyofwatermuchmorethanthesmallamountweneedtostayalivE.Somedoctorsbelievethatwaterisimportantforourhealthinallkindsofways.Theybelievethatagreatmanyillnessesandhealthproblemsappearasaresultofdehydration--alack缺少ofwaterinthebody.Mostpeoplearedehydratedatleastsomeoftimealthoughtheyprobablydon’tknowit.Itissurprisingtolearnthatifwefeelthirstywearealreadyinthefirststagesofdehydration.Infactweareadvisedtodrinkwaterbeforewefeelthirsty.Thesedoctorsthinkthathealthproblemssuchasheadacheshighbloodpressureandasthmacouldbehelpedifpeopledrinkmorewater.Theyalsobelievethatdrinkingmorewatercanhelppeoplewhoareoverweight.Watercontainsnocaloriessoitwillnotmakeusputonweight.IfwedrinkwaterwewillprobablydrinklesssugarysoftdrinkssuchasCoca-colA.Doctorsalsobelievethatdrinkingmorewatermaystoppeoplefromovereating.Theysaythatmanypeoplethinkthattheyarehungrywhentheyareinfactthirsty.Doctorssuggestthereforethatweeatlessfoodanddrinkmorewater.Therearestillmanyhealthproblemsthatcannotbesolvedbydrinkingwatersoweshouldnotstopgoingtoseeingthedoctorcompletely.Howeverifwemakeadecisiontodrinkwatereverydaywemayfindthatweneedtogotothedoctoralotlessoften.21.Weneed_____forahealthydiet.A.fibreB.WateranddifferentfoodsC.waterD.food22.Fromthetextweknowwatercancarry_________.A.energyandfibreinourbodiesB.fruitvegetablesandfishinourbodiesC.poisonsandwasteoutofourbodiesD.sugarandfatoutofourbodies23.Lackofwatercausedpeopletoputonweighttoomuchbecause_______.A.itmakesthemhungryB.theythinktheyarethirstyandeatlessC.waterhasnocaloriesD.theythinktheyarehungryandeattoomuch24.Whichofthefollowingisn’tmentionedinthepassage?A.Theamountofwaterapersonshoulddrinkinaday.B.Somehealthyproblemsstartbecauseofalackofwater.C.Drinkingmorewatermaystoppeoplefromovereating.D.FruitprovidesuswithenergyandfibrE.
Deathisnaturalbutdoyouhaveanyideaoftheprocessofdying?Modernscientistsdividetheprocessofdyingintotwophases---clinicalortemporarydeathandbiologicaldeath.Clinicaldeathoccurswhenthevitalorganssuchastheheartorlungshaveceasedtofunctionbuthavenotsufferedpermanentdamage.Theorganismcanstillberevived复活.Biologicaldeathoccurswhenchangesintheorganismleadtothebreakingupofvitalcellsandtissues.Deathisthenunchangeableandfinal.Scientistshavebeenseekingawaytoprolongtheperiodofclinicaldeathsothattheorganismcanremainalivebeforebiologicaldeathoccurs.Thebestmethoddevelopedsofarinvolvescoolingoftheorganismcombinedwithnarcoticsleep.Byslowingdownthebody’smetabolism新陈代谢coolingdelaystheprocessesleadingtobiologicaldeath.Toillustratehowthisworksscientistsperformedanexperimentonasix-year-oldfemalemonkeycalledKeta.ThescientistputKetatosleepwithanarcotic.Thentheysurroundedherbodywithice-bagsandbegancheckingherbodytemperature.Whenithaddroppedto28degreesthescientistsbegandrainingbloodfromanartery.Themonkey’sbloodpressuredecreasedandanhourlaterboththeheartandbreathingstopped:clinicaldeathsetin.FortwentyminutesKetaremainedinthisstate.Hertemperaturedroppedto22degrees.Atthispointthescientistspumpedbloodintoanarteryinthedirectionoftheheartandstartedartificialbreathing.AftertwominutesKeta’sheartbecameactiveoncemore.Afterfifteenminutesspontaneous自发的breathingbeganandafterfourhoursKetaopenedhereyesandliftedherhead.AftersixhourswhenthescientiststriedtogiveherapenicillininjectionKetaseizedthesyringeandranwithitaroundtheroom.Herbehaviordifferedlittlefromthatofahealthyanimal.1.Forapersonwhosuffersfromtheclinicaldeath_________.A..hismostimportantorgansaredamaged.B..hestillhasthepossibilityofgettingbacktolife.C..hecannotavoidfinaldeath.D..heisstillverymuchalive2.Scientiststrytomakethetimeofclinicaldeathlongerinorderto__________.A..slowdownthebody’smetabolism.B..bringvitalcellsandtissuesbacktoactivelife.C..cooltheorganism.D..delaythecomingofbiologicaldeath.3.HowdidthescientistsputKetaintoclinicaldeath?A..Byputtinghertosleeploweringhertemperatureanddrainingherblood.B..Bysurroundingherbodywithice-bagsanddrainingherblood.C..Bylowingherbloodpressureandstoppingherheartfrombeating.D..Bydrainingherbloodloweringherbloodpressureandstoppingherbreathing.4.Allofthefollowingindicatethatthemonkeyhasalmostrestoredtoheroriginalphysicalstateexceptthefactthat__________.A..herheartbeatagain.B..sheregainedhernormalbreath.C..sherejectedapenicillininjection.D..sheactedaslivelyasahealthymonkey.
Theregularuseoftextmessagesande-mailscanlowertheIQmorethantwiceasmuchassmokingmarijuana大麻.Thatisthestatementofresearcherswhohavefoundthattappingawayonamobilephoneorcomputerkeypadorcheckingforelectronicmessagestemporarilyknocksupto10pointsofftheuser’sIQ.Thisrateofdeclineinintelligencecomparesunfavorablywiththefour-pointdropinIQassociatedwithsmokingmarijuanaaccordingtoBritishresearcherswhohavedescribedthephenomenonofimprovedstupidityasinfomania.TheresearchconductedbyHewlettPackardthetechnologycompanyhasconcludedthatitismainlyaproblemforadultworkersespeciallymen.Itisconcludedthattoomuchuseofmoderntechnologycandamageaperson’sminD.Itcancauseaconstantdistractionofalwaysontechnologywhenemployeesshouldbeconcentratingonwhattheyarepaidtodo.InfomaniameansthattheyloseconcentrationastheirmindsremainfixedinanalmostpermanentstateofreadinesstoreacttotechnologyinsteadoffocusingonthetaskinhanD.ThereportalsoaddedthatinalongtermthebrainwillbeconsiderablyshapedbywhatwedotoitandbytheexperienceofdailylifE.Atamicrocellularlevelthecomplexnetworksofnervecellsthatmakeuppartsofthebrainactuallychangeinresponsetocertainexperiences.Toomuchuseofmoderntechnologycanbedamagingnotonlytoaperson’smindbuttotheirsocialrelationship.1100adultswereinterviewedduringtheresearch.Morethan62percentofthemadmittedthattheywereaddictedtocheckingtheire-mailsandtextmessagessooftenthattheyscrutinizedwork-relatedonesevenwhenathomeoronholiday.Halfsaidthattheyalwaysrespondedimmediatelytoanemailandwilleveninterruptameetingtodoso.Itisconcludedthatinfomaniaisincreasingstressandanxietyandaffectingone’scharacteristics.Nineoutoftenthoughtthatcolleagueswhoanswerede-mailsormessagesduringaface-to-facemeetingwereextremelyrudE.TheeffectsonIQwerestudiedbyDrGlennWilsonapsychologistatUniversityofLondon.ThisisaveryrealandwidespreadphenomenonhesaiD.Wehavefoundthatinfomaniawilldamageaworker’sperformancebyreducingtheirmentalsharpnessandchangingtheirsociallifE.Companiesshouldencourageamorebalancedandappropriatewayofworking.46.Wecanlearnfromthepassagethatinfomania______.A.hasapositiveinfluenceonone’sIQB.resultsinthechangeofpartofthebrainC.liesintheproblemoflackofconcentrationD.iscausedbytoomuchuseofmoderntechnology47.Theresearchmentionedinthepassageismostprobablyabout______.A.theimportantfunctionofadvancedtechnologyB.thedamagetoone’sbraindonebyunhealthyhabitsC.therelevancebetweenIQanduseofmoderntechnologyD.therelationshipbetweenintelligenceandworkingeffectiveness48.Theunderlinedwordscrutinizedprobablymeans______.A.examinedcarefullyB.copiedpatientlyC.correctedquicklyD.admittedfreely49.Whatisthemainideaofthispassage?A.Theregularuseoftextmessagesande-mailscanbecomparedtosmokingmarijuanA.B.Theregularuseoftextmessagesande-mailscanharmyourIQ.C.Moderntechnologycandamageaperson’sminD.D.Electronicmessageshavesideeffectsontheuser’slifE.
Abouttenmenineveryhundredsufferfromcolorblindnessinsomeway.Womenareluckier;onlyaboutoneintwohundredisaffected影响inthismatter.Perhapsafterallitissafertobedrivenbyawoman!Therearedifferentformsofcolorblindness.InsomecasesamanmaynotbeabletoseedeepreD.Hemaythinkthatredorangeandyellowareallshadowsofgreen.Sometimesapersoncannottellthedifferencebetweenblueandgreen.Inrarecasesanunluckymanmayseeeverythinginshadesofgreen－astrangeworldindeeD.Colorblindnessinhumanbeingsisastrangethingtoexplain.Inasingleeyetherearemillionsofverysmallthingscalledcones.Thesehelpustoseeinabrightlightandtotelldifferencebetweencolors.Therearealsomillionsofrodsbuttheseareusedforseeingwhenitisneardark.Theyshowusshapebutnocolor.Someinsectshavefavoritecolors.Mosquitoespreferbluetoyellow.A.redlightwillnotattractinsectsbutabluelampwill.Inasimilarwayhumanbeingsalsohavefavoritecolors.Yetwearelucky.Withtheaidoftheconesinoureyeswecanseemanybeautifulcolorsbydayandwiththeaidoftherodswecanseeshapesatnight.Onedaywemayevenlearnmoreabouttheinvisiblecolorsaroundus.16.Thepassageismainlyabout_____________.A.coloranditssurprisingeffects.B.womenbeingluckierthanmenC.dangercausedbycolorblindnessD.colorblindness17.Accordingtothepassagewiththehelpoftheconeswecan_______________.A.telldifferentshapesB.seeinaweaklightC.killmosquitoesD.tellorangefromyellow18.Whydosomepeoplesayitissafertobedrivenbywomen?A.Womenaremorecareful.B.Therearefewercolor-blindwomenC.Womenarefonderofdrivingthanmen.D.Womenareweakerbutquickerinthinking.19.Whichofthestatementsaboutthecolor-blindistrue?A.Notallofthemhavethesameprobleminrecognizingcolor.B.NoneofthemcanseedeepreD.C.Noneofthemcantellthedifferencebetweenblueandgreen.D.Allofthemseeeverythinginshadesofgreen.
OnastormydaylastAugustTimheardsomeshouting.LookingouttotheseacarefullyhesawacoupleofkidsinarowboatwerebeingpulledouttoseA.Two12-year-oldboysChristianandJackrowedoutaboattosearchafootball.Oncethey’drowedbeyondthecalmwatersabeachumbrellatiedtotheboatcaughtthewindandpulledtheboatintoopenwater.ThepairpanickedandtriedtorowbacktoshorE.Buttheywerenomatchforitandtheboatwasoutofcontrol.Timknewitwouldsoonbeswallowedbythewaves.EverythingwentquietinmyheadTimrecalls回忆.I’mtryingtofigureouthowtoswimtotheboysinastraightlinE.Timtookoffhisclothesandjumpedintothewater.Every500yardsorsoheraisedhisheadtojudgehisprogress.AtonepointIconsideredturningbackhesays.IwonderedifIwasputtingmylifeatrisk.After30minutesofstrugglinghewascloseenoughtoyelltotheboysTakedowntheumbrella!Let’saimforthepier码头JacksaiD.Timturnedtheboattowardit.Soonafterwardwavescrashedovertheboatanditbegantosink.Canyouguysswim?hecrieD.AlittlebittheboyssaiD.OncetheywereinthewaterTimdecideditwouldbesaferandfasterforhimtopulltheboystowardthepier.ChristianandJackwerewearinglifejacketsandfloatedontheirbacks.Timswamtowardlandaswaterwashedovertheboys’faces.Arewealmostthere?theyaskedagainandagain.YesTimtoldthemeachtimE.After30minutestheyreachedthepier.9.Whydidthetwoboysgotothesea?A.Togoboatrowing.B.Togetbacktheirfootball.C.Toswimintheopenwater.D.Totesttheumbrellaasasail.10.WhatdoesitinParagraph2referto?A.ThebeachB.ThewaterC.TheboatD.Thewind11.WhydidTimraisehisheadregularly?A.Totakeinenoughfreshair.B.Toconsiderturningbackornot.C.Tocheckhisdistancefromtheboys.D.ToasktheboystotakedowntheumbrellA.12.Howcanthetwoboysfinallyreachthepier?A.TheyweredraggedtothepierbyTim.B.Theyswamtothepierallbythemselves.C.Theywerewashedtothepierbythewaves.D.TheywerecarriedtothepierbyTimonhisback.
Hereisanastonishingandsignificantfact:Mentalworkalonecan’tmakeustireD.ItsoundsabsurD.Butayearsagoscientiststriedtofindouthowlongthehumanbraincouldlaborwithoutreachingastageoffatigue疲劳.Totheamazementofthesescientiststheydiscoveredthatbloodpassingthroughthebrainwhenitisactiveshowsnofatigueatall!Ifwetookadropofbloodfromadaylaborerwewouldfinditfulloffatiguetoxins毒素andfatigueproducts.ButifwetookbloodfromthebrainofanAlbertEinsteinitwouldshownofatiguetoxinsattheendoftheday.Sofarasthebrainisconcerneditcanworkaswellandswiftlyattheendofeightoreventwelvehoursofeffortasatthebeginning.Thebrainistotallytireless.Sowhatmakesustired?Somescientistsdeclarethatmostofourfatiguecomesfromourmentalandemotional情绪的attitudes.OneofEngland’smostoutstandingscientistsJ.A.HadfieldsaysThegreaterpartofthefatiguefromwhichwesufferisofmentalorigin.InfactfatigueofpurelyphysicaloriginisrarE.Dr.BrillafamousAmericanscientistgoesevenfurther.HedeclaresOnehundredpercentofthefatigueofsittingworkeringoodhealthisduetoemotionalproblems.WhatkindsofemotionsmakesittingworkerstiredJoySatisfactionNo!A.feelingofbeingboredangeranxietytensenessworryafeelingofnotbeingappreciated---thosearetheemotionsthattiresittingworkers.HardworkbyitselfseldomcausesfatiguE.Wegettiredbecauseouremotionsproducenervousnessinthebody.25.Whatsurprisedthescientistsafewyearsago?A.Fatiguetoxinscouldhardlybefoundinalaborer’sblooD.B.ThebraincouldworkformanyhourswithoutfatiguE.C.AlbertEinsteindidn’tfeelwornafteraday’swork.D.A.mentalworker’sbloodwasfilledwithfatiguetoxins.26.Accordingtotheauthorwhichofthefollowingcanmakesittingworkerstired?A.Challengingmentalwork.B.Endlesstasks.C.Physicallabor.D.Unpleasantemotions.27.Whichofthefollowingisproperlyusedtodescribetheauthor’sattitudetothescientists’idea?A.Hehesitatestoacceptthem.B.Hedoubtsthem.C.Hearguesagainstthem.D.Heagreeswiththem.28.Itisimpliedinthepassagethatinordertostayenergeticsittingworkersneedto___________.A.enjoytheirworkB.havesomegoodfooD.C.exerciseregularlyD.discoverfatiguetoxins
Itdoesn’tmatterwhenandhowmuchapersonsleepsbuteveryoneneedssomeresttostayalivE.That’swhatalldoctorsthoughtuntiltheyheardaboutAlHerpin.AlHerpinitwassaidneverslept.Couldthisbetrue?Thedoctorsdecidedtoseethisstrangemanthemselves.AlHerpinwas90yearsoldwhenthedoctorscametohishomeinNewJersey.TheythoughtforsurethathegotsomesleepofsomekinD.SotheystayedwithhimandwatchedeverymovementhemadE.ButtheyweresurpriseD.Thoughtheywatchedhimhourafterhouranddayafterdaytheyneversawhimsleeping.InfacthedidnotevenownabeD.HeneverneededonE.TheonlyrestthatHerpinsometimesgotwassittinginacomfortablechairandreadingnewspapers.Thedoctorswerepuzzledbythisstrangecontinuoussleeplessness.Theyaskedhimmanyquestionshopingtofindananswer.Theyfoundonlyoneanswerthatmightexplainhiscondition.Herpinrememberedsometalkabouthismotherhavingbeeninjuredseveraldaysbeforehewasborn.Butthatwasall.Wasthistherealreason?NoonecouldbesurE.Herpindiedattheageof94.36.Themainideaofthispassageisthat_____A.largenumbersofpeopledonotneedsleepB.apersonwasfoundwhoactuallydidn’tneedanysleepC.everyoneneedssomesleeptostayaliveD.peoplecanlivelongerbytryingnottosleep37.ThedoctorscametovisitHerpinexpecting_____A.tocurehimofhissleeplessnessB.tofindthathissleeplessnesswasnotreallytrueC.tofindoutwhysomeoldpeopledidnotneedanysleepD.tofindawaytofreepeoplefromtheneedofsleeping38.AfterwatchinghimcloselythedoctorscametobelievethatAlherpin_____A.neededsomekindofsleepB.wastoooldtoneedanysleepC.needednosleepatallD.oftensleepinachair39.OnereasonthatmightexplainHerpin’ssleeplessnesswas_____A.hismother’sinjurybeforehewasbornB.thathehadgraduallygotridofthesleepinghabitC.hismagnificentphysicalconditionD.thathehadn’tgotabed40.AlHerpin’sconditioncouldberegardedas______A.acommononeB.onethatcouldbecuredC.veryhealthyD.arareone
Aschoolgirlsavedherfather'slifebykickinghiminthechestafterhesufferedaseriousallergic过敏的reactionwhichstoppedhisheart.IzzyninerestartedfatherColm'sheartbystamping踩onhischestafterhefelldownathomeandstoppedbreathing.Izzy'smotherDebbieimmediatelycalled999butIzzyknewdoctorswouldneverarriveintimetosaveherfathersodecidedtouseCPR.Howevershequicklydiscoveredherarmsweren'tstrongenoughsoshestampedonherfather'schestinsteaD.Debbiethentookoverwithsomemoreconventionalchestcompressions按压untiltheambulancearriveD.Izzywhohasbeengivenabraveryawardbyherschoolsaid:Ijustkickedhimreallyhard.MymumtaughtmeCPRbutIknewIwasn'tstrongenoughtousehands.Iwasquitescared.ThedoctorsaidImightaswellbeadoctororanurse.MymumsaidthatDadwasgoingtohospitalwithabigfootprintonhischest.She'salittlestarsaidDebbieIwasreallyupsetbutIzzyjusttookover.Ijustcan'tbelievewhatshedid.Ireallythinkallchildrenshouldbetaughtfirstaid.IzzydidCPRthenthedoctorturnedup.Colmhadtohavemoretreatmentonthewaytothehospitalandwe'vegottoseeanexpert.TruckdriverColm35sufferedamysteryallergicreactiononSaturdayandwastakentohospitalbutwassenthomeonlyforittohappenagainthenextday.Thesecondattackwassoseriousthathisairwayswelledpreventinghimfrombreathinghisbloodpressuredroppedsuddenlyandhisheartstoppedforamoment.Hehasnowmadeafullrecoveryfromhissuffering.1.FromthepassagewhichofthesentencesaboutDebbieistrue?A..ShethoughtituselesstoteachchildrenfirstaiD.B..Shethoughtifherdaughterbecameadoctorshewouldkickhimharder.C..ShedidnothingtohelpherhusbanD.D..Shewasproudofherdaughter.2.Izzykickedherfatherinthechest______.A..toexpressherhelplessnessB..topractiseCPRonhimC..tokeephimawakeD..torestarthisheart3.What'stherightorderoftheevents?①IzzykickedColm.②Debbiecalled999.③IzzylearnedCPR.④Colm'sheartstoppeD.A..3124B..4231C..3421D..43124.WhatdoesParagraph8mainlytalkabout?A..WhatColmsuffered.B..Colm'spresentcondition.C..WhatcausedColm'sallergy.D..SymptomsofColm'sallergicreaction.5.Whydoestheauthorwritethenews?A..Todescribeaseriousaccident.B..ToprovetheimportanceofCPR.C..Toreporta9-year-oldgirl'sbraveact.D..Tocallpeople'sattentiontoallergicreaction.
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