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An explosion on Thursday killed one and injured 21 in a busy street in Tongren.Southwest China's...
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高中英语《河北省邯郸市成安县第一中学2016-2017学年高一下学期第一次月考英语试题 Word版含答案》真题及答案
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AnexplosiononThursdaykilledoneandinjured21inabusys
根据下面曲线图以CarExplosioninChina为题描述我国近10年来私人拥有小汽车情况说明人
Accordingthenewssevenpersonswerekilledintheexplosi
with
from
for
to
汉译英星期二星期四正确的翻译为
Tuesday；Thursday
Tuesday；Wednesday
Monday；Wednesday
Monday；Thursday
AnexplosiononThursdaykilledoneandinjured21inabusys
Theexplosionsentus______inalldirections.
run
running
to run
ran
AnexplosiononThursdaykilledoneandinjured21inabusys
WehaveEnglish__________TuesdayandThursday.t
in
on
a
AsthescheduledflightforStockholmfromHelsinkiearlyT
check into
burst into
bump into
bring into
A.nexplosiononThursdaykilledoneandinjured21inabusy
AnexplosiononThursdaykilledoneandinjured21inabusys
AnexplosiononThursdaykilledoneandinjured21inabusys
Aftertheexplosionthefactorywasa________oftotalconf
scene
situation
view
occasion
Thecylinderheadcylinderlinerand_____formthecombust
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piston
crankcase
explosion plate
Withregardstoadieselenginecrankcaseexplosionthemos
（1） only
（2） only
both （1） and （2）
neither （1） or （2）
星期二星期四正确的翻译为[2006年第一次考试真题]
Tuesday：Thursday
Tuesday；Wednesday
Monday：Wednesday、
Monday；Thursday
We’llmeetnextThursdaythismatterindetail.
Howdoyoua____________foryourabsencefromtheclasslas
Ifacrankcaseexplosionhasoccurredinadieselengineand
The cylinder indicator cocks should be opened
The sump lube oil scavenge pump should be secured immediately
The explosion relief valves should be manually opened
The crankcase should remain unopened until the engine has cooled
Mondayistheseconddayand_______.
Tuesday is the fourth
Thursday is the fifth
the second is Tuesday
the second is Thursday
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Abuld-it-yourselfsolarstill蒸馏器isoneofthebestwaystoobtaindrinkingwaterinareaswheretheliquidisnotreadilyavailablE.DevelopedbytwodoctorsintheU.S.DepartmentofAgricultureit’sanexcellentwatercollector.Unfortunatelyyoumustcarrythenecessaryequipmentwithyousinceit’sallbutimpossibletofindnaturalsubstitutes.Theonlycomponentsrequiredthougharea5’5’sheetofclearorslightlymilkyplasticsixfeetofplastictubeandacontainer—perhapsjustadrinkingcup—tocatchthewater.Thesepiecescanbefoldedintoaneatlittlepackandfastenedonyourbelt.Toconstructaworkingstilluseasharpstickorrocktodigaholefourfeetacrossandthreefeetdeep.Trytomaketheholeinadampareatoincreasethewatercatcher’sproductivity.PlaceyourcupinthedeepestpartoftheholE.Thenlaythetubeinplacesothatoneendrestsallthewayinthecupandtherestofthelinerunsup—andout—thesideoftheholE.Nextcovertheholewiththeplasticsheetsecuringtheedgesoftheplasticwithdirtandweightingthesheet’scenterdownwitharock.Theplasticshouldnowformacone圆锥体with45-degree-angledsides.Thelowpointofthesheetmustbecentereddirectlyoverandnomorethanthreeinchesabovethecup.ThesolarstillworksbycreatingagreenhouseundertheplastiC.Groundwaterevaporates蒸发andcollectsonthesheetuntilsmalldropsofwaterformrundownthematerialandfalloffintothecup.Whenthecontainerisfullyoucansucktherefreshmentoutthroughthetubeandwon’thavetobreakdownthestilleverytimeyouneedadrink.32.Whatdoweknowaboutthesolarstillequipmentfromthefirstparagraph?A.It’sdelicatE.B.It’sexpensivE.C.It’scomplex.D.It’sportable33.Whatdoestheunderlinedphrasethewatercatcherinparagraph2referto?A.ThetubeB.ThestillC.TheholeD.Thecup34.What’sthelaststepofconstructingaworkingsolarstill?A.DigaholeofacertainsizeB.PutthecupinplaceC.Weightthesheet’scenterdownD.Covertheholewiththeplasticsheet35.Whenasolarstillworksdropsofwatercomeintothecupform.A.theplastictubeB.outsidetheholeC.theopenairD.beneaththesheet
Stuttering口吃isacommunicationdisorder疾病generallycharacterizedbyunconsciousrepetitionsorpausesintheflowofspeech.Theserepetitionsandpausescanbakemanyformssuchasrepetitionsofpartsofwordsli-li-likethis.Sometimestherearemomentswhenasoundoraperiodofsilenceislengthenedllllikethisorl-ikethis.Stutteringcanbeclassifiedintoanumberorcommunicationdisorders:neurogenic神经性的stutteringandpsychogenicstutteringareassociatedwithsuddenonset发作andastheirnamesimplywithaspecificknowncause—eitheraprobleminthemakeupofthebrainoragreatpsychologicalchallengE.Thesedisordersarecomparativelyrareanddifferintermsofcausessymptomsandtreatmentfromdevelopmentalstuttering.Developmentalstutteringtypicallystartsbetweentheagesoftwoandahalfandfour.Theonsetofthedisorderwhichcanbegradualorrelativelysuddengenerallyoccursduringtheperiodofrapiddevelopmentinachild’slanguageskillsmotorskillscharacterandsocialinteraction.Thecauseofdevelopmentalstutteringarenotwellunderstoodandvarioustheorieshavebeenofferedthroughoutthehistoryofspeech-languagepathologythestudyofthecausesandeffectsofillnesses.Therootsofstutteringhavebeenbelievedtorelatetoanumberofcauses:emotionalproblemsneurologicalproblemsimproperreactionsfromcaregiversandfamilymemberslanguageplanningandspeechmotordifficultiesamongothers.Thesetheorieshaveshownthepromiseofexplainingsomecharacteristicsofstutteringbutnosingletheoryhasthoroughlydescribedtheexperiencesofpeoplewhostutter.Youngchildrenwhohavestutteredforonlyashorttimehaveahighrateofnaturalrecoverythoughitisimpossibletodeterminewhichchildrenaremostlikelytorecoverandwhicharelikelytocontinuestuttering.Mostexpertsrecommendearlyevaluationandtreatmentaimedatpreventingthedevelopmentofachronic慢性的communicationdisorder.Speech-languagepathologistsdisagreeaboutwhichapproachisbestforolderchildrenandadults.Treatmentoptionsincludetrainingtochangespeechpatternsturningtodoctorstominimizenegativereactionsdrugsandelectronictoolsthatimprovefluency.Self-helpandsupportgroupsalsoplayanimportantroleinrecoveryformanypeoplewhostutter.Manypeoplewhohavetakenstutteringtreatmentprogramsareabletomakepositivechangesintheirspeechskillsandcommunicationabilitiessotheycancommunicatefreely.9.Ifasmallchildbeginstostutterhisorherparentsshould________.A.givetheirfamilymoretimeB.consultadoctorimmediatelyC.waitforthechildtorecovernaturallyD.encouragethechildtospeakfluently10.Whatcanwesayabouttheapproachestotreatmentofstuttering?A.Theyprovetobeuselessforchildren.B.TheyareattheexperimentalstagE.C.Theyproducepositiveeffects.D.Theyworkagainsteachother.11.Themainpurposeofthetextisto________.A.describerecentresearchonstutteringB.showustheclassificationofstutteringC.explainthedifferentformsofstutteringD.offersomebasicknowledgeofstuttering
HaveyoueverfanciedsailingaroundtheworldorbuyingaholidayhomeintheCaribbean?WellbeforeyougettooexciteditmayhelptofindoutifyouhavewhatittakestobecomeabillionairE.We’veallheardstoriesofschooldrop-outswhohavemadetheirfortunE.Dotheytendtobeuniversitygraduatesorself-madesuccessfulpeople?Aretheymarriedorsingle?ThankstoarecentanalysisofpeopleinForbes福布斯Top100BillionairesListwecannowfindoutwhattheyhaveincommon.Weknowwhatpercentagewearglassesandevenhowmanyarebald!Ifyouaredecidingwhetherornottogotouniversityitmayhelpyoutoknowthat76%oftherichestpeopleintheworldhaveadegreE.Accordingtothisstudyofthose76%47%haveabachelor’sdegree23%haveamaster’sand6%haveadoctoratE.Don’tlosehopeifyouaren’tveryacademicthough.It’sworthnotingthatmanyofthoseonthelistdidnotpassalltheirexamswithflyingcolors.MicrosoftfounderBillGatesdroppedoutofHarvardUniversityaftertwoyearsofstudy.AndChinesebusinessmagnateJackMafailedhisuniversityentranceexamsthreetimesbeforegoingontocompletehisdegreeandmakehismillions.Anotherinterestingtrendisthattheworld’srichestpeoplearemuchmorelikelytobemarried—only12%ofbillionairesareunmarrieD.Finallythepercentageofbillionaireswhoarebaldisquitehigh—sodon’tworryifyou’relosingyourhair.33.WhatdoBillGatesandJackMahaveincommonaccordingtothepassage?A.Theyhavethesameamountofmoneyatpresent.B.TheybothgraduatedfromthesameuniversityintheU.S.A.C.Theywerebothborninapoorfamilyandhadmuchsufferingwhileyoung.D.Theybecomeverysuccessfulthoughtheydidn’tdowellintheiracademiclives.34.Whatwasthepurposeofthestudy?A.Toadvisereaderstosailaroundtheworldintheirownyachts.B.Totellreaderswhenandhowthesepeoplebecamebillionaires.C.Toencouragereaderstofindprobablewaystotheirownsuccess.D.Tofindsimilaritiesbetweenthetop100richestpeopleintheworlD.35.Whatmaybethebesttitleforthetext?A.TalesofBillGatesandJackMA.B.HowtoBecomeaBillionairE.C.ForbsTop100BillionairesList.D.HowBillGatesMadeHisFortunE.
School’sout.It’sbeenalongdaysoyouheadhometorelax.You’regreetedbyafriendwho’shappytoseeyoulistenstoyoutalkaboutresttellsyouanewjokehelpsyouputawayyourschoolstuff东西andremindsyoutotextyourcousinhappybirthday.Andthat’sbeforehehelpsyouwithyourhomework.Thisisyourfutureanditallstartswithaknee-highrobotcalledNAOpronouncedNOW.Itkindoflookslikeyouwalksanddanceslistensandtalksandevenlearnsandthinksforitself.Itscreatorspredictthatthestate-of-the-artrobotcouldbeacompanionathomebytheyear2040.This$16000robotrecognizeshumanfacialfeaturessoitknowswhoyouarE.NAOcanevenexpressemotions.Itrepresentsthenewgenerationofautonomous—orself-guidedrobots.Theserobotscansensethinkandact.OtherrobotsmightdotwooutofthethreE.Forexamplearobotmightsensethingsusingcamerasandthinkusingcomputersbutwithnoarmswheelsorclawsitcan’tact.Otherrobotscanmoveandsensethingsbutcan’tthinkforthemselves.Thesearen’tself-guidedrobots.ButNAOcandoitall.YoucanprogramyourcomputertogiveNAOwhatcouldbecalledpersonalitysaysNatanelDukanofAldebaranRoboticstheFrenchcompanythatbuiltNAO.Therobothascutechildlikefeatures—ahighvoicesmallbodybigeyesandalargeheaD.ThesearethingsthatareknowntohaveanemotionalappealtopeoplerobotexpertDanKarasaysNAO’sfriendlydesignhelpsinoneofNAO’smainfunctions—toteachpeoplehowusefulpersonalrobotscanbE.Somedayitmayhelpyoupassatest!21.WhatdoweknowaboutNAOfromthefirsttwoparagraphs?A.Itisastallashumans.B.Itishighlyintelligent.C.Itiswidelyusedinschoolsnow.D.Itisdesignedtohelpwiththehousework.22.Theauthordevelopsthethirdparagraphmainly_____.A.bycauseandeffectB.byorderintimeC.bycomparisonD.byprocess23.AccordingtoDanKaraNAOis_____.A.silentB.low-costC.lightweightD.user-friendly24.Themainpurposeofthetextisto_____.A.askpeopletobuytherobotB.introduceanewkindofrobotC.doanexperimentaboutrobotsD.comparedifferentkindsofrobots
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Ourbrainsworkincomplexandstrangeways.Therearesomepeoplewhocancalculatethedayoftheweekforanygivendatein40000yearsbutwhocannotaddtwoplustwo.OtherscanperformcomplexclassicalpianopiecesafterhearingthemoncebuttheycannotreadorwritE.Dr.J.LangdonDownfirstdescribedthisconditionin1887.Hecalledthesepeopleidiotsavants.Anidiotsavantisapersonwhohassignificantmentalinjurysuchasinautism自闭症orretardation.AtthesametimethepersonalsoexhibitssomeextraordinaryskillswhichareunusualformostpeoplE.Theskillsofthesavantmayvaryfrombeingexceptionallygiftedinmusicorinmathematicsorhavingaphotographicmemory.Oneofthefirstdescriptionsofahumanwhocouldcalculatequicklywaswrittenin1789byDr.BenjaminRushanAmericandoctor.HispatientThomasFullerwasbroughttoVirginiaasaslavein1724.IttookThomasonly90secondstoworkoutthatamanwhohaslived70years17daysand12hourshaslived2210500800seconds.Despitethisabilityhediedin1790withouteverlearningtoreadorwritE.Anotheridiotsavantslavebecamefamousasapianistinthe1860s.BlindTomhadavocabularyofonly100wordsbutheplayed5000musicalpiecesbeautifully.IntheexcellentmovieRainManmadein1988andavailableonvideocassetteDustinHoffmanplaysanidiotsavantwhoamazeshisbrotherplayedbyTomCruisewithhisabilitytoperformcomplexcalculationsveryrapidly.Todaywemoreclearlyrecognizethattheidiotsavantisspecialbecauseofbrainimpairment.Yetnotallbraininjuryleadstosavantskills.Somestudieshaveshownthatpeoplewhohavepurposefulinterruptionoftheleftsideofthebraincandevelopidiotsavantskills.Howeverfewpeoplewishtoparticipateinsuchexperiments.Therearemanyexcellentreasonsfornotundergoingunnecessaryexperimentationonone’sbrain.ThetermidiotsavantisoutdatedandinappropriatE.Virtuallyallsavantshaveahighdegreeofintelligenceandarethusnotidiots.5.Thefirstparagraphispresentedby________.A.statingthebackgroundofthetextB.makingadefinitionofidiotsavantC.givingexamplestoleadinthetopicD.makingcomparisontoshowourbrainswork6.Accordingtothetextwhichofthefollowingstatementsistrue?A.TheconceptidiotsavantwasfirstoutforwardbyDr.Rush.B.ThomasFullerwhocouldcalculatequicklyispoorinart.C.TheidiotsavantplayedbyDustinHoffmanisgoodatcalculation.D.TomCruisehastheabilitytoperformrapidcomplexcalculations.7.Fromthelastparagraphweknowthat________.A.brainimpairmentisakindofincurablediseaseB.theidiotsavantmayresultfromthepurposefulinterruptionofthebrainC.experimentsonone’sbrainareharmfulD.idiotsavantsareactuallyverycleverincertainfields8.Thetextmainlytalksabout________.A.theunderstandingofidiotsavantsB.mentalimpairmentinourworkC.thewaythatourbrainsworkD.howtobeanidiotsavant
Idon’teverwanttotalkaboutbeingawomanscientistagain.Therewasatimeinmylifewhenpeoplekeptaskingmestoriesaboutwhatit’sliketoworkinafieldunderthecontrolofmen.IwasneververygoodattellingthosestoriesbecausetruthfullyIneverfoundtheminteresting.WhatIdofindinterestingistheexistenceoftheuniversetheshapeofspacetimeandthenatureofblackholes.At19whenIbeganstudyingastrophysics天体物理学itdidnotbothermeintheleasttobetheonlywomanintheclassroom.ButwhileearningmyPh.D.atMITandthenasapost-doctordoingspaceresearchtheproblemstartedtobothermE.Myeveryachievement—jobsresearchpapersawards—wasviewedfromtheangleofgender性别politics.Soweremyfailures.Thenonedayafewyearsagooutofmymouthcameasentencethatwouldfinallybecomemyreplytoanyandallprovocations挑衅:Idon’ttalkaboutthatanymorE.Ittookme10yearstogetbacktheconfidenceIhadat19andtorealizethatIdidn’twanttodealwithgenderproblems.Whyshouldremovingsexismbeyetanotherterribleburdenoneveryfemalescientist?AfterallIdon’tstudysociologyorpoliticaltheory.TodayIresearchandteachatBarnardawomen’scollegeinNewYorkCity.Recentlysomeoneaskedmehowmanyofthe45studentsinmyclasswerewomen.Youcannotimaginemysatisfactionatbeingabletoanswer45.Iknowsomeofmystudentsworryhowtheywillmanagetheirscientificresearchandadesireforchildren.AndIdon’ttakenonoticeofthoseconcerns.StillIdon’ttellthemwarstories.InsteadIhavegiventhemthis:thesceneoftheirphysicsprofessorheavilypregnant怀孕doingphysicsexperiments.Andinturntheyhavegivenmetheimageof45womendrivenbyaloveofsciencE.Andthat’sasightworthtalkingabout.5.Whydoesn’ttheauthorwanttotalkaboutbeingawomanscientistagain?A.ShefeelsunhappyworkinginthescientificfielD.B.Shefindsspaceresearchmoreimportant.C.SheisnotgoodattellingstoriesofthekinD.D.SheistiredofthesexisminscientificfielD.6.FromParagraph2wecaninferthatpeoplewouldthinktheauthor’sfailuresweredueto__.A.herover-confidenceasafemaleastrophysicistB.herinvolvementingenderpoliticsC.theveryfactthatsheisawomanD.theburdenshebearsinamale-leadingsociety7.Whydoestheauthorfeelgreatsatisfactionwhentalkingaboutherclass?A.Femalestudentsnolongerhavetobotheraboutgenderissues.B.Herstudents’performancehasbroughtbackherconfidencE.C.MorefemalestudentsaregoinginforsciencethanbeforE.D.Herfemalestudentscandojustaswellasmalestudents.8.Whatdoestheimage形象thattheauthorpresentstoherstudentssuggest?A.Womencanbalanceacareerinscienceandhavingafamily.B.Womenhavemorebarriersontheirwaytoacademicsuccess.C.Womenstudentsneedn’thavetheconcernsofhergeneration.D.Womennowhavefewerproblemsgoinginforasciencecareer.
AnewtaxiserviceinStockholmisofferingitspassengersachancetorelievestressonthego.They’vegotpsychotherapists心理治疗师occupyingthebackseatsofthetaxisofferingfreeconsultations.ThetestwasstartedbyacompanycalledTaxiStockholmwhichclaimsit’sthefirstprojectofitskindintheworlD.TheideawasformedwhentheownersofTaxiStockholmrealizedthatpeoplearemorelikelytotalkabouttheirproblemsonboringquietdrives.Theyevenhavedatatobackupthetheory;accordingtospokeswomanNataliaSantosaround70percentofpeoplesaidtheirtaxijourneyswereagoodtimeforreflectionandthattheyoftenfoundtheirmindswandering.AndwhenyouthinkaboutitthedriverscanevenbecomeliketherapistssheaddeD.MiaFahlénoneofthepsychologistsonboardsaidthatshewouldhavetobeflexiblebecauseshewouldn’tknowexactlyhowlongatripcouldbE.Butshebelievesthatalotcouldbeaccomplishedfromevenashort10-minutejourney.AlotofpeoplearelonelysheexplaineD.TherearesomanysinglepeopleinStockholm.AndalotofthepeopleImeetfromabroadtellmethey’refrustratedwithSweden.Theysayit’sreallyhardtomeetpeopleandthatevenwhentheytrytheSwedescanbeveryquiet.Ofcourseyou’dnothavetobeluckytocatchthesetaxisbutifyou’rereallyexcitedabouttheideayoucouldbookatripinadvancE.Itwillworkoutcheaperthanseeingaregulartherapist;anhour-longsessionwithFahléncostsupto1200kronor$165.Whenaskedifthisisallapublicitystunt嘘头inthewakeoftheirnewcompetitorstaxi-appserviceUberSantosdeniedit.ShesaidthatthestaffatTaxiStockholmareactuallyquiteoptimisticaboutbeingabletohelppeoplethroughtheirservicE.24.WhatcanweknowaboutfromParagraphOne?A.Mostoftheswedesaresufferingfromstress.B.DriversatTaxiStockholmoffergoodservices.C.Psychotherapistschargealittleduringthedrives.D.TaxiStockholmisthefirsttocarryouttheproject.25.WhatdoestheunderlinedphrasebackupParagraph2probablymean?A.supportB.opposeC.improveD.Test26.AccordingtoMiaFahlénitmaybehardto.A.makepassengersfeelhappyB.dealwithquietpassengersC.performwellinashortjourneyD.adjustproperlytodifferentroutes27.ItcanbeinferredfromthepassagethatStockholmers.A.aretooshytoshowtheiremotionsB.enjoylivingasingleandpeacefullifeC.maybeconcernedaboutthenewserviceD.areconsideredhardtoapproachbyforeigners
ShynessisthecauseofmuchunhappinessforagreatmanypeoplE.Shypeopleareanxiousandself-conscious;thatistheyareexcessivelyconcernedwiththeirownappearanceandactions.Worrisomethoughtsareconstantlyoccurringintheirminds:whatkindofimpressionamImaking?Dotheylikeme?DoIsoundstupid?AmIwearingunattractiveclothes?ItisobviousthatsuchuncomfortablefeelingsmustnegativelyaffectpeoplE.A.person'sconceptionofhimselforherselfisreflectedinthewayheorshebehavesandthewayapersonbehavesaffectsotherpeople'sreactions.Ingeneralthewaypeoplethinkaboutthemselveshasaprofoundeffectonallareasoftheirlives.Shypeoplehavinglowself-esteemarelikelytobepassiveandeasilyinfluencedbyothers.Theyneedreassurancethattheyaredoingtherightthing.Shypeopleareverysensitivetocriticism;theyfeelitconfirmstheirfeelingsofinferiority.TheyalsofinditdifficulttobepleasedbycomplimentwithastatementlikethisoneYou'rejustsayingthattomakemefeelgooD.Iknowit'snottruE.Itisclearthatwhileself-awarenessisahealthyqualityoverdoingitisharmful.Canshynessbecompletelyeliminatedoratleastreduced?Fortunatelypeoplecanovercomeshynesswithdeterminedandpatienteffortsinbuildingself-confidencE.Sinceshynessgoeshandinhandwithalackofself-esteemitisimportantforpeopletoaccepttheirweaknessesaswellastheirstrengths.Eachoneofusisauniqueworthwhileindividualinterestedinourownpersonalways.Thebetterweunderstandourselvestheeasieritbecomestoliveuptoourfullpotential.Let'snotallowshynesstoblockourchancesforarichandfulfillinglifE.1.Thefirstparagraphismainlyabout_______.A.thecauseofshynessB.thefeelingofshypeopleC.theeffectofshynessonpeopleD.thequestioninthemindsofshypeople2.Accordingtothewriterself-awarenessis__________.A.harmfultopeopleB.ahealthyqualityC.thecauseofunhappinessD.aweakpointofshypeople3.Whatistheshypeople’sreactiontopraise?A.Theyarepleasedbyit.B.Theyfeeltheyareworthyofit.C.Theyareverysensitivetoit.D.TheyfeelitisnottruE.4.Whatcanlearnfromthepassagethatshynesscan_______.A.beovercomewithdeterminationB.helpustoliveuptoourfulldevelopmentC.enableustounderstandourselvesbetterD.havenothingtodowithlackofself-respect
Asunflowerisasunflower.A.mobilephoneisamobilephonE.Butcanyoucombinethetwotodosomethingforyourlocalenvironment?AsearlyasnextyearitmaywellbepossiblE.Whenyouhavefinishedwithyourmobilephoneyouwillbeabletoburyitinthegardenoraplantpotandwaitforittoflower.Abiodegradable生物可降解的mobilephonewasthismonthintroducedbyscientists.ItishopedthatthenewtypeofphonewillencourageconsumerstorecyclE.Scientistshavecomeupwithanewmaterialoverthelastfiveyears.Itlookslikeanyotherplasticbutovertimeitcanbreakdownintothesoilwithoutgivingoutanypoisonouschemicals.BritishresearchersusedthenewmaterialtodevelopaphonecoverthatcontainsasunflowerseeD.Whenthiscoverturnsintowasteitformsnitrates硝酸盐.Thesefeedtheseedandhelptheflowergrow.We’veonlyputsunflowerseedsintothecoversofar.Butweareworkingwithplantexpertstofindoutwhichflowerswillperformbest.MaybewecouldputrosesinnexttimE.saidonescientist.Asphonetechnologyisdevelopingsoquicklypeopleareconstantlythrowingtheirmobilesaway.Thismeansproducersareunderpressuretofindwaysofrecyclingthem.Some650millionmobilephoneshavebeensoldthisyear.Mostofthemwillbethrownawaywithintwoyearsaddingplasticheavymetalandchemicalwastetotheenvironment.A.biodegradablecovercanoffersomerelieffornatureaccordingtothescientists.Theseedisreleasedandtheflowergrowsinthepotsoyoudon’thavetoconcernyourselfwiththephonewhenyouhavefinishedusingitsaidKerryKirwantheleaderoftheresearchteam.25.Afteryouhavefinishedusingthenewtypeofmobilephone_______.A.thesunflowerseedwillcomeoutandflowerinthepotB.thephonecoverwillbreakdownverysooninthesoilC.itwillberecycledbytheproducersD.itcanchargeitselfwithelectricityinagreenway26.Thistypeofresearchisdonebecause________.A.thetechnologyofmakingphonesischangingrapidlyB.toomanywastemobilephonesmayleadtoenvironmentalproblemsC.nobodyhaseverthoughtofrecyclingmobilephonesD.producingmobilephonesusesalotofenergy27.Wecaninferfromthestory________.A.thenewtypeofmobilephonesisalreadyonthemarketB.thenewtypeofmobilephoneswillsellextremelywellC.thematerialofthenewtypeofphonesisharmfulD.otherflowersmaybeusedinthenewtypeofmobilephones
Theelephantwaslyingheavilyonitssidefastasleep.A.fewdogsstartedbarkingatit.Theelephantwokeupinaterribleanger:itchasedthedogsintothevillagewheretheyranforsafety.Thatdidn'tstoptheelephant.ItdestroyedadozenhousesandinjuredseveralpeoplE.Thevillagerswerescaredandangry.ThensomeonesuggestedcallingParbatitheelephantprincess.ParbatiBarua'sfatherwasahunteroftigersandanelephanttamer.HetaughtParbatitorideanelephantbeforeshecouldevenwalk.Healsotaughtherthedangerousartoftheelephantround-up--howtocatchwildelephants.Parbatihasn'talwayslivedinthejunglE.Afterahappychildhoodhuntingwithherfathershewassenttoboardingschoolinthecity.ButParbatinevergotusedtobeingthereandmanyyearslatershewentbacktoheroldlifE.Lifeinthecityistoodull.Catchingelephantsisanadventureandtheexcitementlastsfordaysafterthechaseshesays.ButParbatidoesn'tcatchelephantsjustforfun.Myworkshesaysistorescuemanfromtheelephantsandtokeeptheelephantssafefromman.AndthisisexactlywhatParbatihasbeendoingformanyyears.IncreasinglytheIndianelephantisangry:formanyyearsillegalhuntershaveattackeditanditshomeinthejunglehasbeenreducedtosmallpiecesoflanD.Itisnowfightingback.WheneverwildelephantsenterateagardenoravillageParbatiiscalledtoguidetheanimalsbacktothejunglebeforetheycankill.Theworkofanelephanttameralsoinvolvesloveanddevotion.A.goodelephanttamerwillspendhoursadaysinginglovesongstoanewlycapturedelephant.Eventuallytheygrowtolovetheirtamersandneverforgetthem.Theyarealsomoreloyalthanhumansshesaidassheclimbeduponeofherelephantsandsatonthegianthappyanimal.Anelephantprincessindeed!21.ForParbaticatchingelephantsismainlyto___________.A.getlonglastingexcitementB.keepbothmanandelephantssafeC.sendthembacktothejungleD.maketheangryelephantstame22.BeforeParbatistudiedinaboardingschool__________.A.shespenthertimehuntingwithherfatherB.shelearnedhowtosinglovesongsC.shehadalreadybeencalledanelephantprincessD.shewastaughthowtohunttigers23.Indianelephantsaregettingincreasinglyangryandtheyrevengebecause_____.A.theyarecaughtandsentforheavyworkB.illegalhunterscapturethemandkillthemC.theyareattackedandtheirlandgetslimitedD.dogsoftenbarkatthemandchasethem24.ThepassagestartswithanelephantstoryinordertoexplainthatinIndia_____.A.peopleeasilyfallvictimtoelephants'attacksB.theman-elephantrelationshipisgettingworseC.elephanttamersareinshortsupplyD.dogsareaspowerfulaselephants
It’sacommonphenomenonthatmodernpeoplenowhavedifficultysleeping.Drinkingmilkisthoughttobehelpful.A.warmdrinkofmilkbeforebedhaslongbeenthebestchoiceforthosewantingagoodnight’ssleep.Butnowastudyhasfounditreallydoeshelppeoplenodoff—ifitismilkedfromacowatnight.Researchershavediscoveredthatnightmilkcontainsmoremelatonin褪黑激素whichhasbeenproventohelppeoplefeelsleepyandreduceanxiety.ThestudybyresearchersfromSeoulSouthKoreainvolvedmicebeingfedwithdriedmilkpowdermadefromcowsmilkedbothduringthedayandatnight.Thosegivennightmilkwhichcontained10timestheamountofmelatoninwerelessactiveandlessanxiousthanthosefedwiththemilkcollectedduringdaytimeaccordingtothestudypublishedinTheJournalofMedicinalFooD.Nightmilkquickenedthestartofsleepandcausedthemicetosleeplonger.Whiletheeffectofcows’milkharvestedatdifferenttimehasnotbeentestedonhumansuptonowtakingmelatonindrugshasbeensuggestedtothosewhoarestrugglingtofallasleepatnight.Previousstudieshavealsoindicatedthatmilkcanbeexcellentforhelpingsleepbecauseofthecalciumcontentwhichhelpspeopletorelax.Milkisalsosugar-freeandadditive-freewithnutritionistsrecommendingskimmedmilkasthebestchoicebeforebedasitistheleastfattening.Themorefatyoutakeinbeforebedtimethegreaterburdenyouwillputonyourbodyatnight.29.Accordingtothetextthemicefedwithdaytimemilk_________.A.startedsleepmoreeasilyB.weremoreanxiousC.werelessactiveD.sleeplonger30.Whichofthefollowingistrueofmelatoninaccordingtothetext?A.It’sbeentestedonmicefortentimesB.ItcanmakepeoplemoreenergeticC.ItexistsinmilkingreatamountD.It’susedinsleepingdrugs31.Whatcanbeasuitabletitleforthetext?A.NightMilkandSleepB.MilkandMelatoninC.LittleFatinMilkD.MilkDrinkingandHealth32.Howdoestheauthorsupportthethemeofthetext?A.BygivingexamplesB.BystatingargumentsC.ByexplainingstatisticaldataD.Byprovidingresearchresults
Todaytechnicalinnovationsdominateoureverydaylifeinmanyareas.Newtechnologieshoweveralwaysareassociatedwithrisks--andthesearealsoseenbylaymensaysChristophBöhmertfirstauthoroftherecentlypublishedstudyandresearcheroftheScienceCommunicationGroupofKIT'sInstituteforGermanStudies.Itiscrucialtoenableadequatecommunicationbetweenscienceandsocietywhichdoesnotonlyconsiderscientificfindingsbutalsoconcernsofthepopulation.Thestudyclearlyshowedthatcommunicationofrisksmaybecomplicatedsometimes.Informationonefficientprecautionswasfoundtoleadtoanincreasedriskperceptionbytherecipientsoftheinformation.Intheirstudytheresearchersanalyzedcommunicationaboutatechnologythathasbecomeindispensableinourlife--mobilecommunicationsandtheelectromagneticfields电磁场onwhichitisbaseD.AllovertheworldradiationprotectionauthoritiessuchastheGermanFederalOfficeforRadiationProtectioncommunicatethecurrentstateofresearchintorisksofelectromagneticfieldsasfollows:Investigationsmadeandallfindingsobtainedsofardonotallowanyconclusionstobedrawnwithrespecttomobilecommunicationsbeingariskforhumanhealth.Buttheexpertscontinuetherestillareknowledgegapsasregardslong-termimpacts.Thenmeasuresarerecommendedtoreduceexposureoftheindividualtoelectromagneticfields.Ithadbeenknownfrompreviousstudiesalreadythatinformationonprecautionsmayincreaseworries.Ithadbeensuspectedthatpeopleconcludefromtherecommendationofprecautionsthattherereallyisarisk.Thiseffectwasnotconfirmedbytherecentstudy.Thescientistsratherattributedtheincreasedworriestoalackofknowledgeaboutthepropagation传播ofelectromagneticfields.Withintheframeworkofthestudytherecommendedprecautionsweresubmittedto1717Australianstogetherwithoneofsixinformationbrochuresprovidingscientificbackgroundinformation.WhentestpersonsweregivennotonlytherecommendationsbutalsoexplainedwhyobservationofthesetipsstronglyreducestheirexposuretoelectromagneticfieldsworriesincreaseD.ForexamplescientistsexplainedtothetestpersonsthattelephoneconversationswithaheadsetlargelyreduceexposurE.WhenamobilephoneislocatedtencentimetersinsteadofjustonecentimeterawayfromtheeartheelectricpowerabsorbedbytheearisaboutonehundredthoftheinitialvaluE.Hencetheownmobilephoneusuallycausesanexposurethatbyfarexceedsthatofmobilecommunicationsstationsthataregenerallyreferredtoascellphonetowers.Whilethescientistswantedtoexplaintheeffectivenessofprecautionstestpersonsmainlyconsideredthisinformationtobeanindicationoftheirmobilephone--notthetransmissiontowers--beingdangerous.Asaresulttheyperceivedincreasedriskpotentialsfortelephoneconversationswiththeirmobilephones.Thestudyrevealsthatmessagesonprecautionsandinformationareadouble-edgedswordintermsofsubjectiveriskperception.TheiruseshouldbefarbetterunderstoodBoehmertsays.63.WhichofthefollowingstatementsisTRUEaccordingtothepassage?A.AdequateinformationonefficientprecautionscanrelievetheconcernsofthepublicB.Mobilecommunicationsdefinitelydoharmtopeople’shealthinthelongrun.C.Informationabouttechnologiesandtheirrisksmayhaveundesiredsideeffects.D.Observationoftheprecautionscanhelpreducetheconcernsofthepublic66.Accordingtothepassagewecanconcludethatthebestwaytorelievetheinappriateworriesisto__________.A.enabletheuserstoknowbetterofscienceandtechnology.B.producenewelectricproductswithalowerradiationvalueC.providethepublicwithlessinformationoneffectiveprecautionD.informthepublicaboutthepotentialriskswithmorepatience65.Thewordprecautionfirstappearsinparagraph1inboldlettershastheclosetsmeaningto_______-A.introductionB.intentionC.recommendationD.prevetion66.Whichofthefollowingmightbethebesttitleofthepassage?A.ScienceandTechnology:A.Double–edgedSwordB.TechnicalInnovation:WorriesandInformationC.ScienceandTechnology:SecurityTipsforUsersD.TechnicalInnovations:EffectivenessofPrecautions.
In2013BezostheCEOandfounderofAmazonInC.madeheadlineswhenheannouncedthatwithinafewyearsthecompanywoulduseunmanneddrones无人机todeliverpackageswithin30minutesafteranorderwasplaceD.SinceAmazonPrimeAirwaspublicizedthenightbeforeCyberMondaysomejustregardeditapublicitystunt噱头designedtodrawattentiontothecompany.Itturnsouttheywerewrong.OnDecember72016AmazonrevealedthatithadcompleteditsfirstPrimeAirdeliveryinCambridgeUK.ThepackagecontainingabagofpopcornandanAmazonFireTVwereloadedontotheunmannedvehiclefromalocalfulfillmentcenteranddeliveredtoatwo-storyfarmhouseseveralmilesaway–allwithin13minutesaftertheitemswerebought!Thecompanyalsoannouncedthattheserviceisnowavailablewithinthefive-square-milerangeoftheCambridgeareasevendaysaweekduringdaylighthours.Thethinlypopulatedruralareawithfewdozenresidentsdistributedamidstvastareasoffarmlandandfieldsisperfectfortestingthedrones.Unfortunatelyevenifthetrialiswildlysuccessfulmanychallengesstillremainbeforedronedeliverybecomesarealityformostofus.Whilethedronemaydofineinruralareastheyremainuntestedincrowdedurbancitieswheretheywouldbumpintobarrierslikebuildingsortrees.Thereisalsofearthattheautonomousflyingvehiclescouldinjurepeopleastheycomedowntodroptheirpackages.Thedronesandtheirloadarealsodamagedbydestroyers.Thentherearethedeliverylogistics后勤保障.AmazonwillnotonlyhavetoensurethateveryPrimeAircustomerhasaspeciallandingflatsurfacebutalsocomeupwithapracticalsolutionforapartmentresidentswhodonothaveaccesstoanopenspacewherethedronecanlanD.HencewhileAmazonPrimeAirmaysomedaybearealityfornowwewilljusthavetowaitfortwolongdaystoreceiveourpackages!28.WhywasthetrialcarriedoutinCambridgearea?A.Amazoncouldn’tfindoutdronelandingspaceincrowdedurbancities.B.Thevastruralareaswithsmallerpopulationwereperfecttestsites.C.Droneflightwasprohibitedwheretherewereimpassablebarriers.D.ThecompanyhadmanylogisticstoguaranteeservicequalitytherE.29.Itcanbeinferredfromthetextthat_________.A.thenewservicewillsavecustomersmoretimeandmoney.BAmazonistheearlypioneerofdroneflightintheworldCuniversaldronepackagedeliveryhasstillalongwaytogoDtheinjuriesbydroneshavegotthelocalresidentsinpanic30.Whatisthemainideaofthetext?A.DronedeliveryreachedcustomersinashortertimE.BBezostriedtoexpanditsdeliveryserviceinCambridgE.C.Amazonwasthefirstcompanytousedronetechnology.DAmazontriedtodeliverpackagetocustomersbydronE.第
ResearcherswiththeUniversityofCambridgesaytheyhavethefirstrealevidenceofanewstateofmattersome40yearsafteritwasfirsttheorizeD.Knownasquantumspinliquid量子旋转水thematterstatecausesnormallyunbreakableelectronstobreakintopiecescalledMajoranafermions.Thesefermionsareanimportantdiscovery.Physicistsbelievethematerialisvitaltofurtherdevelopquantumcomputing.ComputersemployingMajoranafemuonswouldbeabletocarryoutcalculationsbeyondthescaleofmoderncomputersquicklytheysay.Quantumspinliquidexplainssomeoftheeccentricbehaviorsinsidemagnetic磁性的materials.InthesematerialstheelectronsshouldbehavelikesmallbarmagnetsalladjustingtowardsmagneticnorthwhenamaterialiscooleD.Butnotallmagneticmaterialsdothis-ifthematerialcontainsquantumspinliquidtheelectronsdon’talllineupandbecomeinvolveD.Untilrecentlywedidn’tevenknowwhattheexperimentalfingerprintsofaquantumspinliquidwouldlooklikeresearcherDr.DmitryKovrizhinsays.Thatcreatedachallengefortheresearcherssotheydecidedtoemployneutronscattering神经扫描techniquestolookforevidenceofbreak.Whattheyfoundsurprisedthem.ThefeaturesmatchednearlyexactlywithquantumspinliquidmodelstheorizedbyphysicistPhilAndersonin1973.TheresultsoftheirbreakthroughwerethenpublishedinthescientificjournalNatureMaterialsonMonday.Don’tgettooexcitedjustyetonitsapplicationsthough.Kovirzhin’sworkisonlythebeginningandaswe’veseenwithquantumcomputingthereisalotofworktobedonE.Butit’sstillexcitingregardless.It’sanimportantstepforourunderstandingofquantummatterKovrizhinsays.It’sfuntohaveanothernewquantumstatethatwe’veneverseenbefore-itpresentsuswithnewpossibilitiestotrynewthings.12.WhatcanwelearnaboutMajoranafermionaccordingtoParagraph2?A.Itisanimportantdiscovery40yearsago.B.ItisasurprisingtheoryraisedbyPhilAnderson.C.Itisakeypieceindevelopingquantumcomputer.D.Itisanunbreakableelectronsemployingcomputer.13.WhichofthefollowingcanbestreplacetheunderlinedwordeccentricinParagraph3?A.StrangE.B.Complex.C.Permanent.D.Obvious.14.Howdidtheresearchersmakethebreakthrough?A.Byadjustingmagneticmaterials.B.Byusingneutronscatteringtechniques.C.Byrepeatingmathscalculations.D.BychangingelectronicstructurE.15.Whatistheauthor’stoneaboutthefutureofquantummatter?A.NegativE.B.Doubtful.C.Indifferent.D.OptimistiC.
FromlosingweighttoquittingsmokingeachDecemberpeoplearoundtheworldmakeaNewYear'sresolution决心.Butstudieshaveshownthatdespitetheirbesteffortmostwillfail.ProfessorPeterHermanapsychologylecturerattheUniversityofTorontosaysthatthereasonswhyresolutionsfailareclear.Theyarenotrealisticinsomeorallofthefollowingrespects:peoplethinkthattheycanchangethemselvesmorequickly;theythinkthattheycanchangemuchmorethananyoneelse;ortheythinktheycanchangeeverythingmoreeasily.ProfessorHermansuggeststhattheissuemaybeacycleoffailureandrenewedeffort.whichhecallsthefalse-hopesyndrome虚妄期盼综合征.Thecyclebeginswithadifficultself-changetask.suchasovereatingorsmoking-commonyetrarelysuccessfulchanges.Whilepeoplemaymakesomeinitialprogressinthetaskeventuallytheyfailtoachievetheirgoal.HavingfailedtheyinterprettheirfailuretoconvincethemselvesthatwithafewadjustmentstheywillsucceeD.Finallytheybegintoembarkonanotherattemptandthecyclerepeats.InhispaperonthetopicProfessorHermanandhisco-authorJanetPolivywritePeopletendtomakethesameresolutionsyearafteryearvowingonaveragel0timestogetridofaparticularvice恶习.Obviouslyeveryrenewedvowrepresentsacertainfailure;otherwisetherewouldbenoneedforyetanotherattempt.Equallyobviouslyunsuccessfulattemptsdonotdecreasethechanceofmakingfuturepallsforself-changE.Eventhosewhoarefinallysuccessfulatstickingtotheirresolutionsmaketheattemptfiveorsixtimesonaveragebeforesucceeding.ExpectingtomakeabreakthroughisnotagoodwaysoProfessorHermansaysthatthebestwayofstickingtoyourresolutionistoexpectthechangeslittlebylittleratherthanamajortransformation.HetoldMailOnlineOftenthismeansscalingback缩减yourresolutiontosomethingthatisactuallymanageablE.28.WhydomostpeoplefailintheirNewYear'sresolutionsaccordingtoProfessorHerman?A.Theydoesn'tdotheirbestatall.B.Theymakeunrealisticresolutions.C.TheywanttostayunchangeD.D.Theychangethemfrequently.29.WhatdoestheunderlinedpartembarkoninParagraph3probablymean?A.UndertakE.B.Abandon.C.WelcomE.D.Represent.30.HowcanyouachieveyourNewYear'sresolutionsinProfessorHerman'sopinion?A.Setabigresolution.B.Makeabreakthrough.C.Expectgradualchanges.D.Believeinyourself.31.Whatmaybethebesttitleforthetext?A.ActionsSpeakLouderThanWordsB.ThinkTwiceBeforeYouDoC.A.BargainIsaBargainD.GoodPlanIsHalfDone
WhatDoestheLengthofYourFingersSayAboutYou?Areyouthepeace-lovingtypeortheambitiousgo-getter?YourfingerlengthmightbeacluE.Takealookatyourfingers.WouldyoubelievemeifItoldyouthatthelengthofyourfingersinrelationtooneanothercanpredictyourpersonality?IknowthatitsoundslikeoneofthosesillytestsyouseeonFacebookbutIhavetoadmitthatitisexactlycorrectformE.Here'showitworks.LookatyourthreemiddlefingersofyourhanD.Isyourindexfingerlongerthanyourringfinger?Isyourringfingerlongerthanyourindexfinger?Orarethetwoofthesamelength?Findthesituationthatbestmatchesyourhandandseeifwhatfollowsisanaccuratedescriptionofyourpersonality.●Longerringfinger:TheSweetTalkerIfyourringfingerislongerthanyourindexfingerresearchshowsthatyou'relikelyacharmingtypeandyoucanprobablytalkyourselfoutofanysituation.Othersoftenfindthispersonalitytypeirresistibleandwillgotogreatlengthstohelpyou.You'remorelikelytotakerisksandyou'regoodatproblem-solving.Peopleinthiscategorymakegreatengineerssoldiersandcrossword-puzzlesolvers.●Longerindexfinger:TheOverConfidentOneIfyourindexfingerislongerthanyourringfingerchancesareyouarefullofconfidence—possiblyeventothepointofbeingover-confidentandprouD.Youarenotnecessarilyintroverted内向的butyoudoenjoytimetoyourselfespeciallywhenyou'retryingtocompleteaproject.Youareadreampursuerwhocanmakethingshappenbutyoumaybeshywhenitcomestotakingthefirststepinarelationship.Youarealsoprobablyhappywithwhatyouhavebutyou'realwayswishingformorE.●Indexandringfingerareofthesamelength:ThePeacemakerIfyourindexfingerandringfingerareroughlyofthesamelengthyouarelikelytoavoidconflictatallcostsandseektokeepthepeaceinyourrelationships.Youarewell-organizedfaithfulandsympathetiC.Butdeepdownunderallofthatcaringandpeace-lovingyoualsohaveahot-temperedsidethatcanappearunexpectedlywhenyou'repushedtoofar.Youwilltryyourhardesttoavoidafight.Howwelldothesedescriptionsmatchyourpersonality?IwassurprisedattheaccuracyinmycasebutI'mnotgoingtotellyouwhichoneitwas!39.Whichofthefollowinghandcouldbeanengineer'shand?A.B.C.D.40.Wecanlearnfromthepassagethattheauthor________.A.isverycharmingandhelpfulB.alwaystrieshardtoavoidafightC.oftentakessillytestsonFacebookD.thinksthedescriptionssuithimwell41.Whatdoesthepassageintendtotellus?A.Howaccuratethedescriptionofthetestis.B.Thelengthoffingerscanrevealpersonality.C.Whyyourfingersarenotofthesamelength.D.Personalityisdeterminedbyyourfingerlength.42.Wherecanyouprobablyfindthetext?A.A.popularmagazinE.B.Anofficialreport.C.A.publicadvertisement.D.A.biologytextbook.
Lifemayhaveevolvedonatleastthreeplanetswithinanewlydiscoveredsolarsystem39lightyearsfromEarth.AstronomersattheNASAhavediscoverednolessthansevenroughlyEarth-sizedworldsorbitingadwarfstarinthesystem.ScientistshadpreviouslyidentifiedatinynumberofexoplanetswhicharebelievedtohavethequalitiesneededtosupportlifE.Howeverthenewsystemcontainsanunprecedented前所未有numberofEarth-sizedprobablyrockyplanetsandisbeingacknowledgedasanacceleratedleapforwardinthesearchforextraterrestrial外星球的lifE.Threeofthenewplanetsaresaidtobeparticularlypromisingbecausetheremightexistoceans.ThomasZurbuchenassociateadministratorofNASAtoldapressconferenceinWashington:ThisgivesusahintthatfindingasecondEarthisnotamatterof'if'but'when'.TheplanetswerediscoveredusingNASA'sSpitzerSpaceTelescopewhichwasabletotrackhowfasteachoftheplanetscrossedthestarTrappist-landcompletedanorbit.FromthistheresearchteamcalculatedhowfartheplanetswerefromtheirstarandthereforehowlikelytheyaretobehabitablE.NASA'sHubbleSpaceTelescopeisalreadybeingusedtosearchforatmospheresaroundtheplanets.FuturetelescopesincludingtheproposedEuropeanExtremelyLargeTelescopeandtheJamesWebbSpaceTelescopemaybepowerfulenoughtodiscovermarkersoflifesuchasoxygenintheatmospheresofexoplanets.Astronomersbelievetherecouldbeasmanyas40billionpotentiallyhabitableworldsinourgalaxytheMilkyWay.ProfZurbuchensaidthatnowwasagold-rushphaseinthesearchfortheseexoplanets.9.Whatmakesthenewdiscoverysignificant?A.AmplemarkersoflifeB.ThepotentialtosupportlifE.C.GreatdistancefromEarth.D.ThesearchforextraterrestriallifE.10.Whathelpsexploreatmospheresaroundtheexoplanets?A.SpitzerSpaceTelescopE.B.HubbleSpaceTelescopE.C.EuropeanExtremelyLargeTelescopE.D.JamesWebbSpaceTelescopE.11.Whatmaybethebesttitleforthetext7A.NewSolarSystemFoundB.SecondEarthDiscoveredC.WhytoExploreOuterSpaceD.Gold-RushStagetoCome
NuclearenergyisacontroversialtopiC.Therehasbeenwidespreadpublicdebateoverit.Itseemsthatthenuclearenergyiseitheragiganticdisasterwaitingtohappenortheall-powerfulwayofthefuturE.Itisoftenbelievedthatnuclearenergyissomethingwecannotdowithout.Weliveinaconsumersocietywithahugedemandforcommercialproductsofallkinds.Besidesanincreaseinindustrialproductionisconsideredtobeonesolutiontotheproblemofmassunemployment.Suchanincreaseassumesanabundantandcheapenergysupply.Manypeoplebelievenuclearenergyprovidesanendlessandeconomicalsourceofpowerandthatitisthereforefundamentalforanindustriallydevelopingsociety.Amongotheradvantagesisthatnuclearpowerexceptforaccidentsisclean.A.furtheradvantageisthatanuclearpowerstationcanberunandmaintainedbyrelativelyfewtechnicalandadministrativestaff.Thenuclearreactorrepresentsagreatstepinourscientificevolutionandwhatevertheanti-nucleargroupsaysitiswrongtoexpectareturntomoreprimitivesourcesoffuel.Howeveropponentspeoplewhoopposesomethingofnuclearenergypointoutthatnuclearpowerstationsbringadirectdangernotonlytotheenvironmentbutalsotocivilliberties.EnvironmentalistsargueinthelongrunnuclearenergywastesvaluableresourcesanddisturbstheecologytoanextentwhichcouldbringaboutthedestructionofthehumanracE.FurthermoreitisquestionablewhethernuclearpowerisacheapsourceofenergywheneverythingisconsidereD.TherehaveforexamplebeenverycostlyaccidentsinAmericainBritainandofcourseinRussiA.Thepossibilityofincreasesinthecostofuranium铀inadditiontothecostofgreatersafetyprovisions设施couldpricenuclearpoweroutofthemarket.Inspiteofthecaseagainstnuclearenergyabovenuclearenergyprogrammesareexpandingwhichassumesacontinualgrowthinindustrialproductionandconsumerdemands.HoweveritisdoubtfulwhetherthisgrowthwillorcancontinuE.Havingweigheduptheargumentsinbothsidesitseemsthattherearegoodeconomicandecologicalreasonsforsourcesofenergyotherthannuclearpower.32.What’sthewriter’sattitudetowardnuclearenergy?A.ObjectiveB.NegativeC.AcceptableD.Appreciative33.Accordingtotheopponentswhichofthefollowingistrueofnuclearenergy?A.OriginalB.EndlessC.CheapD.Unsafe34.Somepeoplebelievethatnuclearenergyisthemostimportantbecause.A.unclearpowerstationscanberunandmaintainedbyrelativelyfewstaffB.itcanmeetthegrowingdemandofanindustriallydevelopingsocietyC.itrepresentsahugestepforwardinourscientificevolutionD.itprovidesaperfectwayouttoincreaseemployment35.Whichofthefollowingshowsthestructureofthepassage?
EveryAustralianchildisbroughtuponVegemite维吉米特黑酱!Yesthisdarkcoloredfoodpastemadefromyeastextract酵母膏isputonfreshbreadandtoastasasnackbreakfastlunchontherunorwhenthere'sbasicallynothingelseleftinthehousetoeat.Ittakestimetoadapttoitforthosenotusedtoit.SimplywatchoverseasvisitorsmakefaceswhentastingitforthefirsttimefoundineveryindigenousAustralianhome!Infactitisconsideredanationalfoodandculturalsign.Vegemitehasaninterestinghistory.MorethanninetyyearsagoaleadingAustralianfoodtechnologistwasgiventhechallengeofcreatingafooditemfromaby-productofthebeermanufacturingprocess.Thisby-productwasdevelopedintoapurevegetableextractspreadforuseonbreadandtoast.IthassincefounditswayintomanyAustralianhomes.BeforeWorldWarIIitwasconfirmedbytheBritishMedicalAssociationforitsmedicinalbenefitsasanutritionallybalancedfoodforpatients.ItbecameveryimportantduringWorldWarII.Asaresultoftheheavydemandbythearmedforcesthesuppliestocivilianswererationed限量withthefollowingmessagegivenbythegovernmentVegemitefightswiththemenupnorth!Ifyouareoneofthosewhodon'tneedVegemitemedicinallythenthousandsoftheinjuredareaskingyoutodenyyourselfofitforthetimebeing.AfterthewarwithmanybabiesbornVegemitewasconfirmedasanecessarysourceofVitaminB1B2forbabies.9.WhatdoestheunderlinedwordindigenousinParagraph1mean?A.Rich.B.NativE.C.RemotE.D.New.10.What'sthepurposeofthemessagegivenbythegovernment?A.ToencourageAustralianstofightfortheirnation.B.TotellpeopleVegemitehashighnutritionalvaluE.C.TosuggestthatpeopleleaveVegemitetothearmy.D.ToinformVegemitehasmedicalfunctions.11.TheauthoristryingtoshowusthefactthatVegemite________.A.hasbeenapartofAustralianhistoryB.isakindofpopularfoodforbabiesonlyC.ispopularineveryEnglish-speakingcountryD.hasbecomeafavoritefoodforoverseasvisitors
Plantsareveryimportantlivingthings.Lifecouldnotgooniftherewerenoplants.Thisisbecauseplantscanmakefoodfromairwaterandsunlight.Animalsandmancannotmakefoodfromairwaterandsunlight.Animalsgettheirfoodbyeatingplantsandotheranimals.ThereforeanimalsandmanneedplantsinordertolivE.Thisiswhywefindthattherearesomanyplantsaroundus.Ifyoulookcarefullyattheplantsaroundyouyouwillfindthattherearetwokindsofplantsfloweringplantsandnon-floweringplants.Floweringplantscanmakeseeds.Theseedsareprotectedbythefruits.Somefruitshaveoneseedsomehavetwothreeorfourandsomehavemanyseeds.Butafewfruitshavenoseedsatall.Anexampleofafruitwithoutseedsisthebananafruit.Mostnon-floweringplantsdonotgrowfromseeds.Theygrowfromspores胚芽Sporesareverysmall.Somesporesaresosmallandlightthattheycanfloatintheair.Wemaysaythatsporesarequitethesameasseeds.Whenthesesporesareallonwetandshadyplacestheyusuallygrowintonewplants.62.9.Themainideaofthefirstparagraphisthat______.A.plantsareimportantforlifeB.plantscannotgrowwithoutairC.therearemanyplantsintheworldD.wecannotlivewithoutwater63.10.Whatcanweinfer推断fromthepassageA.Ofalllivingthingsanimalsaremost.B.Sporesareseeds.C.Allfruitsoffloweringplantshaveseeds.D.Withoutplantsmanwilldieout.64.11.Whatisthemeaningoftheunderlinedword?A.Kept.B.GuardeD.C.PreventeD.D.Surrounded65.12.Thispassagemaybetakenfrom______.A.amedicinebookB.anovelC.asciencemagazineD.anexperimentreport
Scientiststhisweekannouncedthatlightningcantravelmuchfartherandlastmuchlongerthanpreviouslythought.TheconclusionisbasedonobservationsofastorminOklahomahatproducedalightningbolt霹雳nearly200mileslong.nearlyhalfthewidthofthestatE.Thelongest-lastingflashwasobservedinsouthernFrancE.whereasingleflashin2012lastedfor7.74seconds.Mostlightningboltslastlessthanasecondandtravelonlyafewmiles.Weshouldbemoreawareoflightningifwccanhavelightninghatcantravel200miles.saidRandyCervenythespokesmanonweatherandclimateextremesfortheWorldMeteorologicalOrganizationwhichaddeD.forthefirsttimelightningtoitslistofextremeweatherevents.Thislistincludesrecordsforheatcoldwindspeedrainfallandotherevents.ScientistssaidthattheOklahomalightningboltshotfromTulsaOklA.westwardnearlytotheTexasborder.Ittouchedthegroundinseveralplaces.ThelightningcanstarttensorhundredsofmilesawayandthencomebacktowherewearE.That'swhywehavetobecarefulofwherethelightningiscomingtogroundeventhoughthestormispast.OfcoursenotallstormshaveextremelightninglikethatobservedinOklahomanandFrenchstorms.TheOklahomaboltcameinthemidstofaparticularlybadpatchofweatherearlyonJune202007.Mostlightningwillstrikewithinthe30-30rulesaidDr.Cerveny.The30-30ruleisonethatwestillwanttostressandmakesurepeopleareawareof...butitdoesconfirmthatlightningcanhitfarfromwherethestormactuallyis.The30-30rulestipulates规定thatifthunderfollowslightningwithin30secondspeopleshouldgoinsidefor30minutes.Ifitlakeslongerit'ssafetostayoutsidE.Studyinglightningisimportantbecauseitcanbefatalwhenitstrikes.Thisyear35deathshavebeenblamedonlightningstrikeraccordingtodatafromtheNationalOceanicandAtmosphericAdministration.That'sthehighestdeathtollrelatedtolightningstrikesinanysingleyearsince2007reportsTheWeatherChannel-Thoughthunderisjustthesoundoflighteningtherumble隆隆声arrivesafterthelightflashduringastorm»becauselighttravelsmuchfasterthansounD.Theboomingsoundisashockwavecausedbytherapidexpansionofairsuddenlyheatedbythelightningholt.61.Accordingtotheauthoritieslightningmay.A.causeasgreatharmasasevereearthquakeB.parallelhurricanesintheirharmtohumansC.impactonpeopleinalargerareathanrainsD.befarmoredifficulttoforecastthanstorms62.The30-30ruleisestablishedloshow.A.whenwecancarryoutobservationsonlightningboltsB.whattherelationshipisbetweenlightningandastormC.wherelightningmaypossiblyreachandcausedamageD.howwemightkeepourselvessafefromalightningbolt63.Wecanconcludefromthepassagethat.A.thelongerdistanceaboltcoversthemoredangerousitmaybeB.lightningboltstendtotakeplaceinextremelyhotsummerdaysC.wemustn'tstopcaringabouttheboltsuntilIheycometoanendD.wherethereisnostorm.thereisnodangerfromlightning64.Thepassagetellsusabout.A.anapplicationinlightningB.anupdateonlightningC.anexperimentonlightningD.ananalysisoflightning
Englandisnotabigcountry:fromnorthtosouthandfromeasttowestitisonlyaboutthreehundredmilesacross.Butforasmallcountryithasasurprisingrangeofclimate多样性的气候.PeoplewhohavenevervisitedEnglandorwhohavevisitedonlyonepartofitoftenmakethemistakeofthinkingthatitisacoldandwetcountry.ExceptforthesummermonthsofJunetoSeptemberthisisprobablytrueofthenorthofEnglandandtheMidlands.Inthesouthhowevertheclimateismuchmorepleasant.Oneresultisthatwhenpeopleretire退休fromthejobinthenorththeyoftenprefertomovedowntothesouth.Perhapsthewarmestpartofthecountryisthesouthwestwhichconsistsofismadeupofthecounties郡ofDevonandCornwallwherepalmtreesbambooandmanysemitropical亚热带plantsgrowwell.Flowersandvegetablesripen成熟asmuchasamonthearlierthanthoseelsewherE.Farmersintheareasgainahigherpricefortheirvegetablesandflowersbecausetheyarereadyearlier.InwintertheremaybeseveralfeetofsnowinotherpartsofEnglandbuttherewillprobablybenosnowatallinthesouthwest.ThismaybeoneofthereasonswhythesouthwestisoneofEngland’smostpopularholidayareas.25.Englandisacountry.A.withacoldandwetclimateB.withapleasantclimateC.withasurprisingclimateD.withclimatesofvariouskinds26.Accordingtothepassage.A.flowersandvegetablesfromDevonareonthemarketonemonthearlierB.farmersinthesouthwestgrowasmanyvegetablesandflowersasfarmerselsewhereC.peopleinthesouthwesthavetopayahigherpriceforvegetablesandflowersD.vegetablesinCornwallripenasmuchasamonthearlierthanflowers27.InthenorthofEnglandandtheMidlands.A.itiscoldandwetalltheyearroundB.theclimateispleasantasawholeC.itiswarmmostofthetimeinayearD.onlythesummerisnotcoldorwet
It’swellestablishedthatpeoplewithloweconomicstatusarethehardesthitbythecurrentobesitypandemic肥胖症aswellasrelatedhealthproblemssuchasdiabetes.PoorhealthcarestressunhealthylifestylesandalotofcheapjunkfoodareallthoughttoplayarolE.Butanewstudysuggeststhere’sasubconscious潜意识componenttoo.Whenresearchersmerelyledstudyvolunteerstoconsiderthemselveslow-classtheyweremorelikelytopreferchooseandeatlargeramountsoffoodaswellashigher-caloriefoods.ThefindingspublishedintheProceedingsoftheNationalAcademyofSciencesreflectwhat’sbeenseeninavarietyofanimals.Thustheauthorsassumethatthementalproblemmaybeanevolutionaryholdover遗贸物intendedtoimprovesurvivalbycompensatingforalackofsocialandmaterialresources.Moreimportantforhumansthefindingssuggestthatwemayno!beabletodealwithobesitybyjustimprovingaccesstohealthierfoodsandpromotingexercisE.ForthestudypsychologyresearchersatNanyangTechnologicalUniversityinSingaporedraftednearly500healthyparticipantsfortwoexperiments.Inthefirsttheteamhad101participantscompleteataskinwhichtheywereshownaladderwithtenstepsandtoldtoselectwhichsteptheywereonrelativetoeitherawealthywell-educatedpowerfulpersonorapooruneducatedunimportantperson.Nexttheparticipantsgottopickfoodsfromanimaginedbuffet.Takingintoaccountthingslikeeachparticipant'snormaleatingpatternhungerandgendertheresearchersfoundthatthosewhorankedtheirsocialstatuslowerchosemorefoodandmorehigh-caloriefoodsthanthosethatrankedthemselvesashavingahighersocialstatus.Intheotherexperimentresearchersgave167participantsthesamesocioeconomicrankingtaskthenaskedthemtomatchhighcaloriefoodspizzahamburgersfriedchickenandlowcaloriesfoodsvegetablesandfruitswitheitherpleasantorunpleasantdescriptorssuchastastyornasty.Againthosewholandedlowerontheladderhadatendencytopreferthehigh-calorieThesefindingssuggestthatthethoughtoflowsocialstandingmaybecriticallylinkedtoobesityriskviaincreasedintakeofcaloriestheauthorsconcludE.Assuchthesubjectiveexperienceoflowsocialstandingmaybeanotherbarriertoimprovinghealth.62.Whatdoestheauthorwanttorevealinthefirstparagraph?A.Moreandmorepeopletendtosufferfromdiabetes.B.UnhealthylifestylescontributetoobesitypandemiC.C.SubconsciousplaysapartincausingobesitypandemiC.D.low-classpeoplearelesslikelytobeaffectedbydiabetes.63.Whatisthepossiblelinkbetweenlow-classpeopleandanimals?A.Consumptionoflargeramountsoffoodresultsfromdesireforsurvival.B.Low-classpeopleandanimalsareeasilyaffectedbymentaldisabilities.C.Creaturesconsuminghigher-caloriefoodsconsiderthemselveslow-class.D.humansandanimalshavebothconsumedmuchfoodduringevolution.64.Howcanhumansdealwithobesitycompletelyaccordingtothefindings?A.Bycarryingoutthetwoexperiments.B.Byadoptingcomprehensiveapproaches.C.Byaccessinglargeamountsofhealthyfoods.C.BygettinginvolvedinlotsofphysicalexercisE.65.Thepassagemainlyintendstoinformusthat.A.findingsremaintobeprovedB.obesitypandemicrepresentsrisksC.lowsocialstandingruinsdignityD.positivethoughtshelpstayinshape
Themeaningofsilencevariesamongculturalgroups.Silencesmaybethoughtfulortheymaybeemptywhenapersonhasnothingtosay.A.silenceinaconversationmayalsoshowstubbornnessorworry.Silencemaybeviewedbysomeculturalgroupsasextremelyuncomfortable;thereforeattemptsmaybemadetofilleverygap间隙withconversation.Personsinotherculturalgroupsvaluesilenceandviewitasnecessaryforunderstandingaperson'sneeds.ManyNativeAmericansvaluesilenceandfeelitisabasicpartofcommunicatingamongpeoplejustassometraditionalChineseandThaipersonsdo.Thereforewhenapersonfromoneoftheseculturesisspeakingandsuddenlystopswhatmaybeimplied暗示isthatthepersonwantsthelistenertoconsiderwhathasbeensaidbeforecontinuing.Intheseculturessilenceisacallforreflection.Otherculturesmayusesilenceinotherwaysparticularlywhendealingwithconflictsamongpeopleorinrelationshipsofpeoplewithdifferentamountsofpower.ForexampleRussianFrenchandSpanishpersonsmayusesilencetoshowagreementbetweenpartiesaboutthetopicunderdiscussion.HoweverMexicansmayusesilencewheninstructionsaregivenbyapersoninauthorityratherthanberudetothatpersonbyarguingwithhimorher.InstillanotherusepersonsinAsianculturesmayviewsilenceasasignofrespectparticularlytoanelderorapersoninauthority.Nursesandothercare-giversneedtobeawareofthepossiblemeaningsofsilencewhentheycomeacrossthepersonalanxietytheirpatientsmaybeexperiencing.Nursesshouldrecognizetheirownpersonalandculturalconstructionofsilencesothatapatient’ssilenceisnotinterruptedtooearlyorallowedtogoonunnecessarily.A.nursewhounderstandsthehealing治愈valueofsilencecanusethisunderstandingtoassistinthecareofpatientsfromtheirownandfromothercultures.32.Whatdoestheauthorsayaboutsilenceinconversations?A.Itimpliesanger.B.Itpromotesfriendship.C.Itisculture-specifiC.D.Itiscontent-baseD.33.Whichofthefollowingpeoplemightregardsilenceasacallforcarefulthought?A.TheChinesE.B.TheFrench.C.TheMexicans.D.TheRussians.34.Whatdoestheauthoradvisenursestodoaboutsilence?A.Letitcontinueasthepatientpleases.B.Breakitwhiletreatingpatients.C.Evaluateitsharmtopatients.D.Makeuseofitshealingeffects.35.Whatmaybethebesttitleforthetext?A.SoundandSilenceB.WhatItMeanstoBeSilentC.SilencetoNativeAmericansD.SpeechIsSilver;SilenceIsGold
AsweallknowtreesareimportanttoourlifE.Theyprovideuswithfoodwoodandmostimportantlyoxygen.Nowthereisonemorethingwecanaddtothislist—blockingoutharmfulbacteriainwater.Thediscoverywasmadebysomescientistsandhighschoolstudentswhowereseekingforanaturalwaterfilter过滤器—onethatcouldhelppeopleindevelopingcountriesthatdon’thaveaccesstomodernwatersystems.TheresearchersledbyRohitKarnikaprofessordecidedtoturntotreesforhelpbecausetheywereabletoallowliquidtoflowthroughwhileblockingoutairbubbles气泡.Theybeganbycutting1.5-inch-widesectionsoftreebarkfromthebranchofawhitepinetreE.Theresearchersthentestedthewood’sfilteringabilitybypouringwatercontainingreddyeparticles染料颗粒ofdifferentsizesthrough.Totheirsurprisetheyfounditwaseffectiveintrappingalltheparticles.EncouragedtheteamdidanotherexperimentthistimewithwatercontainingbacteriA.Sureenoughthebarkheldback99%ofthebacteriaallowingonly1%toflowthrough.Mr.Karniksaidthebarkwasabletofilterwatercontainingmuchsmallerparticles.ThismeansthatitcanbeusedtogetridofmostofthebacteriA.Howeverwhattroublesthemisthattreebarkcannotholdbackviruseswhichtendtobemuchsmaller.Thoughtheexperimentissuccessfulwemustrememberonething—thebarkonlyworkswhendamp.Thismeansthatbeforethisnaturalfiltercanbeputtopracticalusetheresearcherswillhavetofigureouthowtokeepthebarkdamporfindawaytokeepthebark’sgreatfilteringabilityevenwhenit’sdry.ButthestudyisnotdonE.Theresearchersplanontestingothertypesoftreesincludingthosefloweringtrees.Theythinkthosemaybemoreeffectiveintrappingsmallerparticlesandevenviruses.32.Howwillthediscoveryaffecttheworld?A.Noharmfulbacteriawillbefoundinwater.B.TherewillbenowaterpollutionaroundtheworlD.C.MorepinetreeswillbeplantedaroundtheworlD.D.Cleanwaterwillbemoreaccessibleindevelopingcountries.33.Whatproblemtroublestheresearcherswhenusingthetreesbarkasawaterfilter?A.VirusescannotbepreventeD.B.Treebarkshouldbewet.C.It’shardtoremoveairbubbles.D.Notallbacteriacanbeheldback.34.Whydoestheteamplantodootherexperiments?A.Tofindothernaturalwaterfilters.B.Toimprovethefilteringabilityofothertrees.C.Tofindawaytokeepthebarkwet.D.Totestthefilteringabilityofothertrees.35.Inwhichcolumnofanewspapercanwereadthistext?A.CulturE.B.SciencE.C.LifestylE.D.Society.
Artificialintelligencecanidentifyskincancerinphotographswiththesameaccuracyastraineddoctorssayscientists.TheStanfordUniversityteamsaidthefindingswereincrediblyexcitingandwouldnowbetestedinclinics.EventuallytheybelieveusingAIcouldrevolutionizehealthcarebyturninganyone’ssmart-phoneintoacancerscanner.TheAIwasrepurposedfromsoftwaredevelopedbyGooglethathadlearnedtospotthedifferencebetweenimagesofcatsanddogs.Itwasshown129450photographsandtoldwhattypeofskinconditionitwaslookingatineachonE.Itthenlearnedtospotthehallmarksofthemostcommontypeofskincancer:carcinomaandthemostdeadly:melanoma黑色素瘤.Onlyonein20skincancersaremelanomayetthetumor肿瘤accountsforthree-quartersofskincancerdeaths.TheexperimentdetailedinthejournalNaturethentestedtheAIagainst21trainedskincancerdoctors.OneoftheresearchersDrAndreEstevatoldtheBBCNewswebsite:Wefindexcitedlyingeneralthatweareonparwithexcellentskincancerdoctors.Howeverthecomputersoftwarecannotmakeafulldiagnosisasthisisnormallyconfirmedwithatissuebiopsy活检.DrEstevasaidthesystemnowneededtobetestedalongsidedoctorsinthecliniC.TheapplicationofAItohealthcareiswebelieveanincrediblyexcitingareaofresearchthatcanbeleveragedtoachieveagreatdealofsocietalgoodhesaiD.OneparticularroutethatwefindexcitingistheuseofthisalgorithmonamobiledevicebuttoachievethiswewouldhavetobuildanappandtestitsaccuracydirectlyfromamobiledevicE.Incredibleadvancesinmachine-learninghavealreadyledtoAIbeatingoneofhumanity'sbestGoplayers.AndateamofdoctorsinLondonhavetrainedAItopredictwhentheheartwillfail.12.Fromthepassagewecaninferthat________.A.ArtificialIntelligencemustreplacehumanonedayB.wecanuseArtificialIntelligencetocureskincancersC.wecanusesmart-phonetoscanourskinatpresentD.theresearchwillbeofgreathelptousandourhealthcare13.WhichonewillheagreewithaccordingtoDrEsteva?A.ArtificialIntelligencehasbeatenallofhumanity’sbestGoplayers.B.ArtificialIntelligencecouldsupportassessmentsbyGPs.C.Westillneedprofessionaldoctorswiththehelpofthesystem.D.TherearetoomanydisadvantagesforArtificialIntelligencE.14.TheunderlinedwordsonparwithinPara4likelymean________.A.inferiortoB.equaledbyC.superiortoD.oppositeto15.What’sprobablythebesttitleofthispassage?A.CancerDoctorsAreOutB.AnAPPScanningSkinCancersC.ArtificialIntelligence—changeourfutureD.ArtificialIntelligence—asgoodascancerdoctors
Intheageofthesocialnetworkthere’sdefinitelysuchathingassharingtoomuch;whenitcomestolosingweightsharingcouldbekeythough.AnewNorthwesternUniversitystudypublishedintheJournaloftheRoyalSocietyInterfacefoundthatthosewhohadanactivehandinsuchonlinecommunitieslostahigherpercentageoftheirbodyweightcomparedtouserswhoparticipatedsparingly.ScientistsanalyzeddatafrompeoplepayingamembershipfeeonCalorieking.Comwhichpermitsthemaccesstoweight-losstoolslikeafoodjournalandanonlinecluB.Whiletheidentityofeachuserremainedconfidentialtheresearchershadaccesstoagesexheightinitialweightandtime-stampedactivities.Theycouldalsomonitormembers’recordedweigh-insfriendrequestsandcommunityarrangementthoughtheycouldnotreadanyoftheactualconversationsbetweenusers.Theresearchersdiscoveredthattheuserswhorecordedtheirweightandestablishedcloserelationswithothermembersweremorelikelytoachievetheirgoalsofriddingthemselvesofpounds.Themostactiveuserslostmorethan8percentoftheirbodyweightinasix-monthperioD.Theleastactiveusersthosewiththefewestonlinefriendsandsocialinteractionslostaround5percentoftheirbodyweightinthesameperiodoftimE.Theresearcherstheorizethatparticipationplaysakeyroleinweightlossbecauseitoffersanalways-accessiblenetworkofsupport.They’realsolookingahead:Thepositiveresultspointtosensibleusesforsocialnetworksinotherareasofhealth.Onlinecommunitiesmightbesuccessfulalternativesforminorillnesseslikediscouragementandalcoholismforwhichin-personmeetingsareoftensuggesteD.ModernlifeissocomplexandstressfulandtogosomewhereforameetingisoftennotpracticalLuisA.NunesAmaralseniorauthorofthestudysaidinastatement.Itishopefulthatthisalternativeapproachofgoingonlineforsupportcouldwork.42.Inwhichcolumnofamagazineshouldthetextbeseated?A.Entertainment.B.Fitness.C.Technology.D.MedicinE.43.Whowouldlosemoreweightaccordingtothenewstudy?A.Peoplefrequentlymakingonlinefriends.B.NetworkuserssparingtimetosurftheInternet.C.MembersaffordingpaymentsonCalorieking.com.D.Fellowsregularlytakingpartincommunityactivities.44.Whatcanwelearnfromthe4thparagraph?A.Scientistsoughttopayfortheonlinedatatheystudy.B.Researcherscanmanagetoknowmoreoftheusersbesidestheirnames.C.People’sactiveonlinecommunicationsmatterintheirlosingweight.D.Themostactiveuserslost3%moreoftheirweightthantheleastactiveoneswithinhalfayear.45.WhatisAmaral’sattitudetowardonlinecommunities?A.Anxious.B.OptimistiC.C.UndoubteD.D.Impractical.
Fivemeteorologists气象学家whoweretrappedfortwoweeksafterpolarbearssurroundedtheirweatherstationarenowabletoleaveafterthecreatureswerechasedaway.TheirsupervisortoldNBCNewsearlyWednesday.Russianofficialshadfearedthesiege围困couldlastforanothermonththetimeitwouldtaketoreachtheislandsintheKaraSeahighintheArcticCirclE.ButonTuesdaynightaresearchshiptookadetour绕道toassistthoseweathermenstationsupervisorVasilyShevchenkotoldNBCNews.TheshiprunbyRussia’sstate-runoilfirmRosneftfrightenedawaythebearsusingitshelicopterbeforeresupplyingtheweatherstationwithmorefoodandpuppies幼犬.ThepuppiesarenotyetbigenoughtodeterthebearsbutthestationisplanningtodraftinareplacementadultguarddogassoonaspossiblE.Someofthebearshadtakentosleepingdirectlyoutsidethewindowsofremoteoutpost.Therewasnoriskoftheresearchersstarvingbecausetheyhadayear’sworthoffoodbuttheywereforcedtotakedangeroustripstoanearbybuildingholdingagunforprotectionaccordingtoShevchenko.Polarbearsareanendangeredspecies.InRussiait’sacrimetoshootthemunlessinself-defensE.ThebearsusuallyleavetheislandsinthesummerbutthistimetheyweretrappedbythemeltingiceanapparentsignofclimatechangeaccordingtoShevchenko.They’vestayedontheislandbecausethereisnowhereforthemtogohesaiD.TheanimalssufferfromglobalwarmingbecauseitshrinksthefloatingicethatformstheirmainhuntinggrounD.AccordingtotheenvironmentalgrouptheWorldWideFundforNatureknownastheWWFthishasgotsomepolarbearstogonearhumanhabitatsinsearchoffooD.13.Whatdidtheresearchshipdotohelpthefivemeteorologists?A.DrivethemhomE.B.Shootallthebears.C.Useitshelicoptertoscarethebearsaway.D.Supplytheweatherstationwithmoremoney.14.Whatmadethebearstrappedontheislandaccordingtothetext?A.Seapollution.B.ClimatechangE.C.Humans’hunting.D.Animal’shunting.15.Whatcanweinferfromthetext?A.PeopleinRussiacanhuntbearformoney.B.Themeltingicewillkillallthepolarbears.C.Thefivemeteorologistshatedthebearsverymuch.D.WWFmadesomecontributionstoprotectingpolarbears.
WeoftenthinkoffuturE.Weoftenwonderwhattheworldwouldbelikeinahundredyears’timE.Thinkofspaceperhapsapermanent永久的stationonthemoonwillhavebeensetup.Perhapspeoplewillbeabletovisitthemoonastourists.Cheaprocketsforspacetravelwillhavebeendevelopedpermittinglongjourneysthroughoutthesolarsystem太阳系.Whenthattimecomespeoplewillbetakingholidaysinspaceandvisitingotherplanets.Greatprogresswillhavebeenmadeinmedicinetoo.Perhapsacurewillhavebeendiscoveredforthemostterribleofalldiseases—cancer.PollutionisaproblemwemustsolvE.Inhundred’syears’timeitwillhavebeencontrolleD.Alltheworldwillhavebeendeveloped—evenAntarcticA.TherewillbelargecitiesinAntarctica.Wealreadyhavesupersonic超音速的flightbutinahundredyears’timewewillhavesupersoniclandtravelaswell.Wewillhaveusedupmostofearth’slandtobuildourcitiessofloatingcitieswillhavebeenbuilt.TheJapanesealreadyhaveplansforcitiesofthiskinD.AndtherewillbecitiesundertheseA.ThefirstofthesewillhavebeencompleteD.25.Wewillhavedeveloped______inahundredyears’timepermittinglongjourneysalloverthesolarsystem.A.cheaprocketsforspacetravelB.aplaneC.aspaceshipD.asatellite26.Manwillalsohavesupersoniclandtravel______.A.inayearB.abouthalfacenturylaterC.intheyear2050D.aboutacenturylater27.Thebesttitleforthepassageis______.A.TravelintheFutureB.FutureLifeC.WheretoLiveintheFutureD.SpaceTravel
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