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钇的常见化合价为+3价，我国蕴藏着丰富的含钇矿石（Y2FeBe2Si2O10），工业上通过如图生产流程可获得氧化钇． 已知：①该流程中有关金属离子形成氢氧化物沉淀时的pH见表： ②在元素周期...
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高三下学期化学《》真题及答案
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钇铁石榴石Y3Fe5O12可用作雷达微波过滤器里使用的铁氧磁性体其中钇Y的化合价为+3氧的化合价为
0
+
2
+
3
+
6
钇铁石榴石Y3Fe5O12可用作雷达微波过滤器里使用的铁氧磁性体其中钇Y.显+3价则Fe的化合价为
+4
＋6
＋2
＋3
新型锂离子电池的主要成分是LiFePO4已知锂Li的化合价为+1价Fe的化合价为+2则LiFePO4
+2
+3
+5
+6
我国于2007年10月24日成功发射的嫦娥一号将对月球进行全球性整体性和综合性探测月球上蕴藏着丰富的
+2
+4
+3
+1
在雷达的微波过滤器里使用的铁氧磁性体为钇铁石榴石Y3Fe5O12其中Y.最高正价为+3价下列有关叙述
可表示为3YO
3
·3FeO·Fe
2
O
3
可表示为Y
3
O
5
·Fe
3
O
4
·Fe
2
O
3
其中钇、铁化合价均为+3价
其中钇、铁化合价均有+2、+3价
我国蕴藏着丰富的钨矿资源冶炼金属钨常用白钨矿石其主要成分是钨酸钙CaWO4钨酸钙中钨W.的化合价为
-6
+4
+6
+7
下列有关铁的化合价的叙述不正确的是
在Fe
2
O
3
、Fe
2
(SO
4
)
3
、FeCl
3
中，铁的化合价都为＋3价
在FeO、FeSO
4
、FeCl
2
中，铁的化合价都为＋2价
在Fe(OH)
2
、Fe(OH)
3
中，铁的化合价分别为＋2、＋3价
在铁粉中，铁的化合价为＋2价
某科考小组在云南乌蒙山区发现了一种矿石敲开表层发现里面有许多金黄发亮的晶体物质酷似黄金经检验其成分有
常见的永久磁铁的组成为BaFe12O19与曾用于雷达微波过滤器的钇铁榴石Y3Fe5O12均为铁氧体Y
只有+2价
只有+3价
+2和+3价
+2和+6价
钇元素Y是一种稀土元素．磷钇矿是稀土矿的主要矿物之一其主要成分磷酸钇YPO4中磷元素为+5价则钇元
+1
+2
+3
+4
钨是熔点最高的金属广泛应用于拉制灯丝有光明使者的美誉我省蕴藏着丰富的钨矿资源冶炼金属钨常用到白钨矿石
-6
+4
+6
+7
钇铁石榴石Y3Fe5O12可用作雷达微波过滤器里使用的铁氧磁性体其中钇Y.显＋3价则Fe的化合价为
0
＋2
＋3
＋6
雷达的微波过滤器里使用铁氧磁性体如钇铁石榴石Y3Fe5O12其中Y.是ⅢB.族稀土元素下面有关钇铁石
可表示为3YO
3
・3FeO・Fe
2
O
3
可表示为Y
3
O
5
・Fe
3
O
4
・Fe
2
O
3
其中钇、铁的化合价均为＋3价
其中钇、铁的化合价均有＋2、＋3价
Y2O3Y.是钇的元素符号是合成某种高温超导物质的原料之一Y2O3中Y.元素来的化合价为
+1
+2
+3
+6
Y2O3Y.是金属钇的元素符号是合成高温超导物质的原料之一Y2O3中Y.元素的化合价为
+l
+2
+3
+6
钇铁石榴石Y3Fe5O12可用作雷达微波过滤器里使用的铁氧磁性体其中钇Y显+3价则Fe的化合价为
+4
+6
+2
+3
钇铁石榴石Y3Fe5O12可用作雷达微波过滤器里使用的铁氧磁性体其中钇Y显+3价则Fe的化合价为
0
+2
+3
+6
Fe2O3中Fe的化合价是在Fe3O4中的Fe的化合价是
钨是熔点最高的金属广泛应用于拉制灯丝有光明使者的美誉我省蕴藏着丰富的钨矿资源冶炼金属钨常用到白钨矿石
－6
+4
+6
+7
下列有关铁的化合价的叙述不正确的是
在Fe
2
O
3
、Fe
2
(SO
4
)
3
、FeCl
3
中，铁的化合价都为＋3价
在FeO、FeSO
4
、FeCl
2
中，铁的化合价都为＋2价
在Fe(OH)
2
、Fe(OH)
3
中，铁的化合价分别为＋2、＋3价
在铁粉中，铁的化合价为＋2价
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已知z＝a+ia＞0且|z|＝2则＝
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8分Aprettyfaceisneverforgotten.Doyoubelieveso?Butmaybeitisuntrue!Psychologistsbelievebeautifulpeoplearelesslikelytoberecognized.AnewstudysuggeststhatattractivenesscanactuallypreventtherecognitionoffacesunlessaprettyfacehasparticularlydistinctivefeaturessuchasAngelinaJolie's. Germanpsychologiststhinktherecognitionofprettyfacesisdistorted扭曲byemotions.ResearchersHolgerWieseCarolinAltmannandStefanSchweinbergerattheUniversityofJenaGermanydiscoveredinastudythatphotosofunattractivepeopleweremoreeasilyrememberedthanprettyoneswhentheyshowedthemtoagroupofpeople. ForthestudywhichwaspublishedinsciencemagazineNeuropsychologiathepsychologistsshowedphotosoffacestotestsubjects.Halfofthefaceswereconsideredtobemoreattractiveandtheotherhalfaslessattractivebutallofthemwerebeingthoughtofassimilarlydistinctivelooking.Thetestsubjectswereshownthefacesforjustafewsecondstomemorizethemandwereshownthemagainduringthetestsothattheycoulddecideiftheyrecognizedthemornot. Theresearchersweresurprisedbytheresult.UntilnowweassumedthatitwasgenerallyeasiertomemorizefaceswhicharebeingconsideredasattractivejustbecausewepreferlookingatbeautifulfacesDr.Wiesesaid.Butthestudyshowedthatsuchaconnectioncannotbeeasilyproven.Heassumesthatrememberingprettyfacesisdistortedbyemotionalinfluenceswhichenhancethesenseofrecognitionatalatertime.Theresearchers'ideaisbackedupbyevidencefromEEG﹣recordings脑电图记录theyusedduringtheirexperimentwhichshowthebrains'electricactivity. Thestudyalsorevealedthatinthecaseofattractivefacesconsiderablymorefalsepositiveresultsweredetected.Inotherwordspeoplethoughttheyrecognizedafacewithouthavingseenitbefore.Weobviouslytendtobelievethatwerecognizeafacejustbecausewefinditattractive.Dr.Wiesesaid. 1WhatdoweknowaboutthephotosfromParagraph3? A.Theywereallofprettyfaces. B.Theywereselectedatrandom. C.Theywerenotdistinctiveatall. D.Theywereshowedtwicetothetestsubjects. 2Whatdoestheunderlinedphrasefalsepositiveresultsinthelastparagraphmean? A.Peopleactuallyonlyrecognizefewprettyfaces. B.Peoplerecognizemoreuglyfacesthanprettyones. C.Peopleclaimtorecognizeafacetheyhaveneverseen. D.Peoplerecognizefewerfacesthantheyhavethought. 3Whatcanbeinferredfromthenewstudy? A.Peoplearereluctanttorecognizeuglyfaces. B.Beautifulpeopleareparticularlydistinctive. C.Attractivenesspreventstherecognitionoffaces. D.Attractivefacesarealwayseasytoberecognized. 4Whichwordcanshowtheauthor'sattitudetowardsthefindingsoftheresearch? A.Doubtful. B.Disapproving. C.Favorable. D.Objective.
8分TheotherdayIwasshoppingatthelocalChinesegrocerystore.Therewasalineatthefishcounterbutonlyonestaffpersonwastheretotakecareofthecustomers.Somecustomersorderedquiteanamountoffishforthatstaffpersontoworkon.AtlastIwasthesecondinlineallIwantedwasacoupleofcrabsandshouldgetoutofthereinnotime. Noticingitwasverybusyatthefishcounteranotherstaffpersoncameovertohelp.Iwasreadytobeservedbutthestaffpersonwenttotheendofthelineandbegantohelpacoupleofladieswithsnails蜗牛.ThecustomerinfrontofmebeingservedturnedaroundandlookedatmesympatheticallyandthecustomerbehindmecalledtothestaffpersonYoushouldstartherpointingatme.Hewaswellignored. IfsomeoneaskedmeWhatisthemostimportantruletofollowinAmerica?IwouldreplywithouthesitationWaityourturnatalltimes.Whereveryougohereinthiscountryyouwillfindpeoplewaitinginalinequietlytogetanythingwhetherinthesupermarketsdepartmentstoresbusstopsorgasstationsit'sjustamatterofwaitingyourturn.Inalargersensewaityourturnismorethanjustaguideline﹣itisaverybasicnorm准则thatreflectsthefundamentalvalueofthewesterncultures.Butinsomesituationsyourturndoesnotalwayscomebasedonwhenyougetthereandhowlongyouhavewaitedinlinejustlikemycaseatthestore.Eventhoughthisdidnotoftenhappenitdidmakemefeelupset. 1Whathappenedtotheauthoratthestore? A.Hewasn'tserveduponhisorder. B.Hewasill﹣treatedbyacustomer. C.Hewasaskedtobeservedlater. D.Hewasaskedtodoothersafavor. 2Whatistheauthor'sopinionaboutQueuingRule? A.Waituntilbeingserved. B.Servepeopleasonelikes. C.Waituntilyourturncomes. D.Firstcomelaterserved. 3Whatdoestheunderlinedwordthisinthelastparagraphreferto? A.Hisbelief. B.Hisexperience. C.Hisculture. D.Hisrule. 4Whydidtheauthorwritethetext? A.Toemphasizehiskindnesstoothers. B.Tointroducesomewesternculturestous. C.ToshowhisdisbeliefinQueuingRule. D.Toexpresshisbeliefandhisfeeling.
Twodeerjumpedoutinfrontof16﹣year﹣oldAmandaFloyd'scar.Shesteppedonthebrakesoppingthecarjustintime.Butlatershestrtedtexting.Distacted分心的Amandaturnedleftandrightthencrashedintoanothercar.Luckilyshewasn'tinarealcar﹣﹣shewasinadrivingsimulator模拟器atRooseveltHighSchoolOhioUS.IneverreallyrealizedthatcarsmakeaturnthatmuchAmandaaJuniorsaid.Sheaddedthatshewouldn'ttextwhiledrivinganymore. TheOhioDepartmentofTransportationODOTandStateHighwayPatrolbroughtthesimulatortotheschool.Theysaidtheywantedtohelpstudentslearnaboutthedangerofdrivingwhiledrunkwhiletextingorwhiletalkingonthephone. AccordingtotheNationalHighwayTrafficSafetyAdministrationdistacteddrivingchaimed34501ivesin2016alone.Expertsbelievetheactualfigureisprobablyhigher. Thesimulatorisbasicallyacomputerprogram.Likemanycomputergamesitwasahitwiththestudents.Theylinedupandcrowdedaroundtowatcheachothertaketurns.Thesimulatorhasaseringnwhee!方向盘brakeandgaspedal油门踏板.Itismadeupofthreelargecomputerscreensonatable. Studentschooseadistractionsuchasdrivingwhiledrunkortexting.Theyalwayscrashofcourse.Thentheyarepulledoverbythepolicetobetaughtthebadresultsoftheirdrivinghowmuchdamagethey'vecausedwhattheirfineisifanyonediedintheaccidentandifthey'regoingtogotoprison. ItteacheshowtodrivewithoutbeingontheroadsaidShanteThompson16.Shehadjustcrashedintoadeer. ODOTspokesmanJustinChesnicsaidhundredsofkidshavegonebehindthewheelsofar.Hesaidevenmorehavebenefitedfromwatchingtheirclassmates. Drivingissuchamajorresponsibilitysotakeitseriouslyhesaid.Putawayyourcellphone.Alotoftheaccidentsouttherearebecauseofdistracteddriving.Itcannotonlychangeyourlifebutitcanchangesomeoneelse'slifeforever.Theresultsareserious. 1WhatdoestheauthorintendtodoinParagraphOne? A.Introducethetopicofthetext. B.Illustratetheauthor'spointofview. C.Providesomeadviceforthereaders. D.Offersomebackgroundinformation. 2WhyisthedrivingsimulatorprojectintroducedtoRooseveltHighSchool? A.Itteststhestudents'abilitytostayfocused. B.Itgetsstudentstohavefunbetweenclasses. C.Itteachesstudentshowtodealwithtaffecaccidents. D.Itmakesstudentsawareofthedangersofdistracteddriving 3Whatcanweknowaboutthedrivingsimulator? A.Itisconnectedtothelocalpolicestation. B.Itisarealcarbuthaslargecomputerscreens. C.Itatractsthestudents'intrestasacomputerprogram. D.Itbenefitsthestudentswhouseitmorethanthosewhoonlywatch. 4Whatisthemainideaofthepassage? A.TrafficrulesinOhioUS. B.Dangerofdistracteddriving. C.Simulateddrivingforstudents. D.Advantagesofcomputergames.
Porridgedoesn'thaveaverytastynamedoesit?1I'mheretotryandconvinceyouthatporridgecanbeadeliciousconvenientandveryhealthywaytostarttheday. Porridgeisatypeoffoodservedforbreakfastusuallyatypeofgrainwitheithermilkorwater.Itisthickerthanliquidbutnotsolid.2soit'saverygoodoptionforpeoplewhoareillanditprovideslong﹣lastingenergyfortheday. Porridgepreparationsuchastheamountofmaterialsandcookingtimedependsonwhatyouchoosetouseasyourporridgebase.3Iputaverybighandfulofoats麦片inapotaddalittlebitofwaterandabout200mlofmilkandletthemixtureboil.Ittakesaboutfiveminutestocook. Onceit'scookedthefunpartisaddingtheflavors味道.Porridgealonedoesn'thaveaverystrongflavour.4Ithinkthisiswhatmakesporridgeexciting!Itislikeablankpieceofpaper﹣youcanaddalmostanythingyouwanttotheporridgebase.Seedsnutsanddriedfruitsareveryhealthyoptionstoaddandcangiveyouenergyfortheday.Butifyoudon'tliketheseoryou'reallergicthensugarandchocolatearealsoverytastyoptions. 5.Eitheroatsorcornorbotharestaplefoodsformostpeopleontheearth.Youcanusuallybuybigbagsofeitherthenaddlocalmaterialstomakeyourporridgeinteresting﹣whateverischeapandconvenienttofindwhereveryouare. Hopefullyporridgesoundsalottastiernow! A.Ifyou'venevereatenit B.IfI'mcookingformyself C.Theporridgebaseisveryeasytodigest D.Itdoesn'thaveaverytastyreputationeither E.Itisoftenheatedupbutlacksallkindsofnutrition F.Youcanmakeporridgealmostanywhereintheworld G.Althoughsomepeoplethinkthismakesporridgeboring
10分HelenKelleroncewroteTheunselfishefforttobringcheertootherswillbethebeginningofahappierlifeforourselves.1TheUNhassetDecember5asInternationalVolunteersDaytogiverecognitiontothesepeople. Nineteen﹣year﹣oldAndrewMakhoulwasacommunicationsmajorattheUniversityofPennsylvania.ItwascominguptospringbreakbutunlikehisclassmatesMakhoulwasn'tplanningonspendingthebreakrelaxing.2 HetraveledtoGuatemala.Hewenttoanorphanage孤儿院inoneofthemostviolentandpoorpartsofGuatemalacity.3Althoughhedidn'tspeakmuchSpanishhefoundcommunicationwasn'taproblemYoucommunicatedwithlove.AndwhathegaveouthegotbackYoucouldseelovewhenyoulookedintheireyes. Makhoul'sfirsttimeasavolunteeronlylastedaweekbutbytheendofthatweekheknewhe'dbebackinthefuture. 4TheUNhighlightedthecaseofPalestinianwomenwhoaresurvivorsofbreastcancer.AspartoftheUN'sAidandHopeProgrammeforPatientCarethewomenhavebeenvolunteeringtheirtimetocreatelow﹣costbreastprosthetics假体tobedistributedtowomenforfreeamongwhomShahdEl﹣Swerkiisabrilliantexample.5Bytheendofhertimetheresheadmiredthesewomenwhoarenotonlysurvivorsbutalsovolunteers. About2400yearsagoGreekphilosopherAristotlesaidTheessence本质oflifeistoserveothersanddogood.Volunteersallaroundtheworldaremakingthesewordscometrueeachandeveryday. A.Itdependsuponvolunteerstostayopen. B.Sheworkedwiththewomenaspartoftheprogramme. C.Herewetelltwovolunteeringstoriesfromaroundtheglobe. D.Sometimesvolunteersthemselveslivewithhugechallenges. E.Hedecidedtospendhistimedoingsomethingusefulforpeople. F.Volunteerswanttodotheirbesttomaketheworldwarmerandmorebeautiful. G.Thesewordscertainlyprovetrueforthemillionsofvolunteersallovertheworld.
Shakespeare'sGlobeExhibition&TourisauniqueinemationalresourcetoexploreShakespeare'swork.Openallyearrounditgivesyouanopportunitytolearnmoreaboutthemostfamousplayright剧作家Sakspeareandhelpsyouseektofuthertheexperinceandinternationalunderstandingofhim. GroupVisitstotheExhibition&Tour *OpeningHours TheatreTours Monday﹣Sunday930a.m.﹣500p.m. Exhibition Monday﹣Sunday900a.m.﹣500p.m. Groupsof15peopleormorearerequiredtopre﹣booktheirvisiandeachgroupwillhaveitsownguideforfree. TomakearservationpleasefllinaGroupRequestFormandreturnittousviaemail. *ExhibitionandTourPrices Adult﹩15.00 Senior60+﹩13.50 StudentwithvalidID﹩11.50 Child5﹣15﹩8.00 ComplimentaryEvery16thpersonfree *Gettinghere Shakespeare'sGlobe21NewGlobeWalkLondonSEl9DTUK Wehavecurentlyimprovedsecuriywithallbagsbeingchecked.Pleaseariveingoodtimeanddonotbringanylargebagsandcheckthecalendarbeforeyourvisitorcall+4402079021500tofindoutaboutourlatestopeningtimes. Visitorsareadvisedtoarrivebypublictransportorbytaxi.ThereisacarparkonThamesExchangeonthenorthsideofSouthwarkBridgeopen24hourssevendaysaweek.CabsmaybefoundallyearroundonSouthwarkBridge.ItmayalsobepossibletopickoneupfromoutsidetheentrancehallonNewGlobeWalk. *Wheretoeat SwanatShakespeare'sGlobeservesmodernBritishseasonalfoodfordinnerafternoonteaordrinksinourbeautifulbarandrestaurantsetovertwofloorsavailableforpre﹣andpost﹣theatredining. SwanRestaurant Monday﹣Friday2noon﹣230p.m.&600p.m.﹣1030p.m. Saturday12noon﹣330p.m.&600p.m. Sunday12noon﹣900p.m. 1Whencanyoupayavisittotheexhibition? A.Fridayat200p.m. B.Mondayat800a.m. C.Saturdayat530p.m. D.Sundayat700p.m. 2Ifagroupof20childrenvisittheExhibition&Tourwhatisrequiredforthemtodo? A.Theyneedtohireaguidethemselves. B.Theymustbeaccompaniedbyanadult. C.Theyhavetopay﹩160forticketsintotal. D.Theyneedtoemailforareservationinadvance. 3Whichoftheflowigapliestovsitors? A.They'reabletogetataxinearSouhwarkBridge. B.TheycanparkonthesouthsideofSouhwanBridge. C.Theyarerequiredtodeposittheirbagsbeforeentering. D.It'smoreconvenienttodrivetherethantakingpublictransport. 4WhatcanweknowaboutSwanRestaurant? A.AfternoonleaisnotservedonSunday. B.ltservesraditionalseasonalfodfordiner. C.Itisclosedfrom3p.m.to5p.m.onworkdays. D.Itservesthreemealsdrinksandaftemoontea.
EXPERIENCECOLUMBIAHOTATTRACTIONS ◆RIVERBANKSZOO&GARDEN Itishometomorethan2000animalsandoneofthenation'smostbeautifulbotanicalgardens.Withmorethan350speciesfromaroundtheworldRiverbanksisoneofthelargestmid﹣sizedzoosinthecountry. Hours900a.m.﹣500p.m.daily AdmissionAdults13﹣61﹣﹩19.95 Children2﹣12﹣﹩16.95 ◆EDVENTURE TheSoutll'slargestchildren'smuseumhas300exhibitstoinspirechildrentoexperiencethejoyoflearning.WhereelsebutEdVenturecanchildrendrivearealfiretruckanchorthenewsorvisitanothercountry? HoursMonday﹣Sunday9a.m.﹣5p.m. AdmissionMembersFree ChildrenandAdults﹩11.95 ◆SOUTHCAROLINASTATEMUSEUM ThestoriesofSouthCarolinacomealivethroughtheexhibitsandcollectionsoftheStateMuseum.Plusanew4﹣Dtheaterprovidespopularmoviesthatexciteallages.Museummembersareinvitedtonight﹣skyobservingandmoreonTuesdaynights! HoursMon.Wed.﹣Fri.10a.m.﹣5p.m. Tues.10a.m.﹣10p.m. Sat.10a.m.﹣6p.m. Sun.Noon﹣5p.m. AdmissionAdults13﹣61﹩8.95 Children3﹣12﹩6.95 ◆SALUDASHOALSPARK SaludaShoalsParkisasensitiveriverfrontparkthatinvitesvisitorstoexperiencethetreasuresoftheSaludaRiverthroughexceptionaleducationalandculturalopportunities. Fun﹣filledFamilyActivitiesNightly!exceptThanksgivingChristmasEveandChristmasnight FreeforactivitiesapplywithHolidayLightsadmission﹩20/car﹩40/15﹣passengervehicle﹩60/bus. 1Whichattractionbestsuitsachildinterestedinbroadcastingnews? A.EdVenture. B.TheStateMuseum. C.SaludaShoalsPark. D.RiverbanksZoo&garden. 2Howmuchshouldayoungcouplewitha4﹣year﹣oldsonpaytoenjoyvariousplantsandanimals? A.﹩24.85. B.﹩20. C.﹩56.85. D.﹩35.85. 3WhichofthefollowingisavailabletoalltouristsintheStateMuseum? A.Havingafantasticvisualfeastatl00p.m. B.VisitingtheexhibitsonSundaymorning. C.Enjoyingfreefamilyactivitieseverynight. D.ObservingtheamazingnightskyonTuesdaynights.
10分Itisnotassimpleasopeningthedoorandhittingthetrackinwinter.Thereareafewthingsyoucandotoensureyouaregettingthemostoutofyourrunandimporantlynotdoingmoreharmthangood. Warmupcooldown 1Yourmusclesneedsometimetowarmupwhenit'scoldsotakeiteasywhenyousetoffanddoafewstretches伸展onceyou'refinished. Drinkwater Youmightnotfeelhotbutthat'sbecausesweatevaporates蒸发morequicklyintothechillydryair.Sobesuretodrinkwaterbeforeduringandaftercold﹣weatherworkouts.2Abeltbottleconvenientlyattachestoyourwaistsoyoudon'thavetocarryitandcanhaveadrinkwheneveryoufeellikeit. 3Runningincottonisabadidea.Wearthinbreathablelayersofsynthetic合成的clothingthathelpprotectyoufromthewindandsnowbutstillletoutheatandmoisture水分.Thirtypercentofyourbodyheatescapesthroughyourhandsandfortypercentthroughyourhead.Wearahatorbeanie无边小便帽andglovessoyourcirculatorysystemcandistributewarmbloodtotherestofyourbody.4 Runintothewind 5ObviouslyitwillbeaneasierpassagehomewithsomeextrahelpfromMotherNature.Butmoreimportantlyyouwon'thavethewindinyourfaceforthesecondhalfofyourrunwhenyouaremorelikelytobesweatingandcatchachill. A.Dressright. B.Keepwarm. C.Don'tgotoofasttoosoon. D.Startandfinishinthesameway. E.Don'twaittodrinkwateruntilyoufeelthirsty. F.Headoutintothewindandcomehomewithitatyourback. G.Onreallycolddayswearamaskorscarfoveryourmouthtoprotectyourface.
函数fx＝esinx﹣1在[﹣ππ]上的图象大致为
30分Iusedtohaterunning.ItseemedtoohardandpushingoutsidemycomfortzonewasnotwhatIwas1todo.MyhusbandCharleshadbeenaseriouscompetitive2formanyyears.Afterourmarriagehewouldn't3talkingabouthowmuchhemissedit.SohepickeditupagainandafteraboutayearIstartedto4himatthetrack.JustafewweekslaterCharles5usbothupforafive﹣kilometerrace.I6aboutdoingit.Itwastoosoon. ButonracedaythereIwas.Thegun7.Thousandsofrunnerspushedforward.Thefirstkilometerwastough.Idon'tthinkI'mgonnamakeit.Iwasalreadybreathing8andpainfullyawareofthegroupofrunnerspoundingpastme.Noyou'redoinggreatsaidCharles.Hewastryingtoencouragemetogetmefocusedonsomethingelse9mydiscomfort.Ican'tIsaidbarelyaudibly听得见地.Hetrieda10waytopersuademe.Justmakeittothathouseandlet'sseehowyou11. AfteranotherminuteIsawthethree﹣kilometermark.AllIcouldthinkofwasthatIwasdyingandthatmyhusbandmademe12.Miserabledoesn'tevenbegintodescribehowIfelt.You'llbefine.You'vegotlessthanakilometertogo.Iroundedacornerandsawbothsidesofthestreet13withpeoplewatchingtheraceallcheeringtherunnerson.Iwilledmy14tokeepgoing.ThenIlookedupandsawtheclock.Thesecondstickingawaygaveme15.IknewthatifI16finishedthisraceIwouldachievesomething.17Istraightenedupandkickedit.IhadmyarmsheldhigherwhenIpassedthroughthefinishline.Avolunteer18amedalaroundmyneck. Youdidgreat!I'msoproudofyou!Charleswas19thatI'dmadeit.ThatwasAMAZING!Iwanttodoanotherrace.Thisrunningstuffisamazing!Iproudly20mymedalaswewalkedtothepost﹣racefestivities.Mylungsandmycomfortzonebothexpanded. 1A.accepted B.permitted C.pushed D.raised 2A.runner B.policeman C.doctor D.lawyer 3A.regret B.mind C.stop D.forget 4A.follow B.attend C.join D.urge 5A.signed B.gathered C.involved D.registered 6A.commented B.hesitated C.wondered D.enquired 7A.wentoff B.wentout C.brokeoff D.brokeout 8A.smoothly B.heavily C.quickly D.abruptly 9A.orrather B.morethan C.ratherthan D.betterthan 10A.pleasant B.reasonable C.casual D.different 11A.react B.describe C.feel D.realize 12A.ashamed B.painful C.embarrassed D.nervous 13A.rich B.loose C.ready D.thick 14A.arms B.mind C.heart D.legs 15A.strength B.patience C.expectation D.wisdom 16A.formally B.immediately C.normally D.actually 17A.However B.Therefore C.Yet D.Instead 18A.rewarded B.handed C.put D.presented 19A.thrilled B.amused C.shocked D.frozen 20A.enjoyed B.hugged C.kept D.seized
8分Bacteriaareanannoyingproblemforastronauts.Themicroorganisms微生物fromourbodiesgrowuncontrollablyonsurfacesoftheInternationalSpaceStationsoastronautsspendhourscleaningthemupeachweek.HowisNASAovercomingthisverytinybigproblem?It'sturningtoabunchofhighschoolkids.Butnotjustanykids.ItisdependingonNASAHUNCHhighschoolclassroomsliketheonescienceteachersGeneGordonandDonnaHimmelbergleadatFairportHighSchoolinFairportNewYork. HUNCHisdesignedtoconnecthighschoolclassroomswithNASAengineers.ForthepasttwoyearsGordon'sstudentshavebeenstudyingwaystokillbacteriainzerogravityandtheythinkthey'reclosetoasolution解决方案.Wedon'tgivethestudentsanybreaks.TheyhavetodoitjustlikeNASAengineerssaysFlorenceGoldaprojectmanager. TherearenotestsGordonsays.Thereisnogradedhomework.Therealmostarenogradesotherthan‘Areyouworkingtowardsyourgoal?'Basicallyit's‘I'vegottoproducethisproductandthenattheendoftheyearpresentittoNASA.'Engineerscomeandreallydoanin﹣personreviewand…it'snotaverynicethingattimes.It'sahardbusinessreviewofyourproduct. GordonsaystheHUNCHprogramhasanimpact影响oncollegeadmissionsandpracticallifeskills.ThesekidsaresoabsorbedintheirstudiesthatIjustsitback.Idon'tteach.Andthatannoyingbacteria?GordonsayshisstudentsareemailingdailywithNASAengineersabouttheproblemreadyingaworkablesolutiontotestinspace. 1WhatdoweknowaboutthebacteriaintheInternationalSpaceStation? A.Theyarehardtogetridof. B.Theyleadtoairpollution. C.Theyappearindifferentforms. D.Theydamagetheinstruments. 2WhatisthepurposeoftheHUNCHprogram? A.Tostrengthenteacher﹣studentrelationships. B.Tosharpenstudents'communicationskills. C.Toallowstudentstoexperiencezerogravity. D.Tolinkspacetechnologywithschooleducation. 3WhatdotheNASAengineersdoforthestudentsintheprogram? A.Checktheirproduct. B.Guideprojectdesigns. C.Adjustworkschedules. D.Gradetheirhomework. 4Whatisthebesttitleforthetext? A.NASATheHomeofAstronauts B.SpaceTheFinalHomeworkFrontier C.NatureAnOutdoorClassroom D.HUNCHACollegeAdmissionReform
30分WhenIwasaboytherewerenosmartphonesorcomputers.StillIneverfeltbored.Thefields1andwoodlandsaroundmyhomeweretheperfectplayground.Icanrememberoncehikingtonearby2andwalkingslowlyaroundit.AtthebackofitIwasamazedtofindanolddirtroadthatIhadneverseenbefore.Itwasfullofmuddytyretracksanddeepwoodsbordereditonbothsidesbut3itstillseemedlikeafineadventure. I4onandonforwhatseemedlikehours.Iwassuremyguardianangel守护天使was5inmyearstoturnaroundand6backhomebutIwas7andevenabitstupidsoIwalkedon.Therewasstillneitheracarnorahouse8.Mylegsweregettingtired.InoticedthatthesunwasstartingtogodownandIgrew9.Ididn'twanttoendup10onthisroadinthedarkofnightandIwasworriedthatitwouldbedark11Icouldmakemywaybacktothelakeagain. Icontinuedtowalkonwiththefeargrowinginsideofme.Myheartwas12fasterandmylegswereachingmoreseriouslythanbefore.WhenI13onelastcornerandsawahousethatI14Ijumpedupanddownandlaughedoutloud.Iknewthewayhome!Itwasstilloveramileawaybutmy15feltlikefeathers.I16intothehousewithabigsmilejustintimefordinner.ThenIendedmyadventurewithagoodnight'ssleep. IrememberedthisrecentlywhenIsawa17sayingAllroadsleadhome.Thisistrue.Ialsorememberedasage圣人comparedlifetoajourney.Arewegoingtomakethislifeaterrible18orarewegoingtomakethelifeajoyfulone?It19ourownchoice. Allroadsnomatterhowtheytwistandturncan20ushomeinourhearts.Mayyoualwayswalkyourpathwithlove!Mayyoualwayshelpyourfellowtravelersalongtheway! 1A.towns B.hills C.farms D.villages 2A.farmhouse B.highway C.forest D.lake 3A.exploring B.appreciating C.introducing D.refusing 4A.drove B.flew C.walked D.rode 5A.waving B.singing C.whispering D.scolding 6A.head B.land C.pace D.wander 7A.sad B.stubborn C.mature D.anxious 8A.inorder B.incomfort C.inneed D.insight 9A.pleased B.scared C.astonished D.disappointed 10A.exposed B.injured C.trapped D.worried 11A.though B.if C.when D.before 12A.blocking B.sinking C.beating D.dancing 13A.turned B.searched C.checked D.examined 14A.owned B.recognized C.overlooked D.defined 15A.arms B.hands C.head D.legs 16A.stormed B.danced C.dragged D.dived 17A.design B.signature C.sign D.signal 18A.trip B.scene C.event D.sight 19A.refersto B.dealswith C.decideson D.dependson 20A.lead B.urge C.move D.transport
Tenminutesofgentleexercisecanimmediatelychangehowcertainpartsofthebraincommunicateandcoordinate协调withoneanotherandimprovememoryfunctionaccordingtoanencouragingnewstudy. Thescientistsinvited36peopleofdifferentagestothelabandhadthemsitquietlyonafixedbicyclefor10minutesoronaseparatevisitpedalthebicycleatapacesogentlethatitbarelyraisedtheirheartrates.Italsowasshortlastingforonly10minutes.Immediatelyaftereachsessionofthesittingorslowpedalingthepeoplecompletedacomputerizedmemorytestduringwhichtheywouldseeabriefpictureofforinstanceatreefollowedbyavarietyofotherimagesandthenanewimageofeitherthesametreeorasimilarone.Thepeoplewouldpressbuttonstoshowwhethertheythoughteachimagewasneworthesameasanearliershot.Thetestisdifficultsincemanyoftheimagescloselyresembleoneanother.Itrequiresrapidskillfulscanningrecentmemoriestodecidewhetherapictureisneworknown.Nextthescientistshadeachpeoplerepeatthisprocess﹣﹣ridingorsittingonthebikefor10minutesandthencompletingmemorytesting﹣﹣butthetestingnowtookplaceinsideanM.R.I.machine磁共振成像仪thatscannedthepeople'sbrainswhiletheyrespondedtotheimages. Thentheresearcherscomparedresults.Theeffectsoftheexercisewereclear.Thepeoplewerebetteratrememberingimagesaftertheyhadriddenthebikeespeciallywhentheimagesmostcloselyresembledoneanother.Inotherwordsthehardertheirmemorieshadtodotheirbestthebettertheyperformedaftertheexercise.TheM.R.I.scansshowedthatmemorypartsofeachpeople'sbrainlitupatthesametimewithpartsofthebrainassociatedwithlearningindicatingthatthesephysicallyseparatepartsofthebrainwerebetterconnectednowthanwhenthepeoplehadnotfirstexercised. 1Howdidtheresearchersconductthestudy? A.Byfillingupquestionnaires. B.Byinterviewingmanypeople. C.Bycomparingexperimentdata. D.Byreferringtohistoricalreports. 2Whomightbenefitmostfromthestudyresult? A.Themarketerspromotingfixedbicycles. B.Theyoungpeoplecrazyaboutbodybuilding. C.Thewhitecollarsdoinglong﹣termmentalwork. D.Theblue﹣collarsdoingheavyphysicallaborwork. 3Whichofthefollowingstatementsagreeswiththestudyresult? A.Thelightexerciseisonlygoodforyoungpeople. B.Themoretheexerciseisthebetterthebrainworks. C.Theexercisecancoordinatedifferentpartsofthebody. D.Theexercisehasmorepositiveeffectwhenthebrainworksharder. 4Whatcanbethebesttitleforthetext? A.Eventenminutes'exercisemaybegoodforthebrain B.Thereisnoneedforhumansdoingexerciseeveryday C.Onlytenminutes'lightexercisebenefitstheyoungmost D.Exercisecanchangepeople'sbrainsandmindsinalongtime
25分假如你是李华是一个京剧迷.你的笔友Mary来信说她对京剧也感兴趣并想了解你对京剧的爱好是如何培养的.请你给她回信内容包括 1.深受父亲的影响 2.喜欢观看京剧表演 3.传承京剧文化. 注意 1.词数100左右. 2.可适当增加细节以使行文连贯. 参考词汇京剧Pekingopera. DearMary Yours LiHua
10分假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.文中共有10处错误每句中最多有两处.每处错误仅涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号∧并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下划一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词 2.只允许修改10处多者从第11处起不计分. Iwenttotheseasidetospendingmysummerholidaywithmyfamily.Westayedthereforabouttwoweek.TheweatherwasmuchhotterthaninmyhometownbutIgotusedtoitorfeltathome.EverymorningIgotupearlythanmyparentsandwentforbreakfastaheadofthetime.ThenIwenttohaveachatwithmynewfriendJohnwhomIhappentocomeacrossduringmyholiday.Johnwasanativeandquitewarm﹣heartedlyandhewasfamiliartotheseaside.Soonwebecameverygoodfriends.Afterwepartedwehavekeptwritetoeachother.
ChristmasisatimeforeatinggreatfoodgivingandreceivingpresentsandmostimportantlyspendingtimewithyourfamilywatchingsomeclassicChristmasmovies. TheGrinch2000 ThisisaChristmasmust﹣watchandoneofJimCarrey'sbestperformances.ItwasalsooriginallyanurserytalebookwrittenbyDrSeuss.It'sthestoryofagreenmonsterwhowantstoruinChristmasbutwhointheenddiscoversthepowerofloveandgenerosity.Ipromiseit'sagreatfilmwithplentyoflaughsalongtheway. LoveActually2003 WhilethisisnotapersonalfavouriteofminepeopleintheUKabsolutelylovethisfilm.Ithasmanyfeaturingactorsandactresses.ItmightbealittledifficulttofollowastherearecomplexplotssoIrecommendwatchingatranslatedversionorenablingsubtitles字幕inyournativelanguage.Howevertheheart﹣warmingelementsofthefilmmakeitworthwatching. HomeAlone1990 Thisamusingmasterworkisoneofmyfavouritefilmsofalltime.IttellsthestoryofaboyKevinwhoisleftaloneinhishousewhenhislargefamilyforgetstotakehimonvacationwiththem.WhilethefamiliesareawayburglarstrytorobthehouseandKevinmustprotecthishomebysettingtraps.Thetripsfallsandtrapswillhaveyoulaughingoutloudasyouwatcha10﹣year﹣oldboybeattwogrownmen. Miracleon34thStreet1994 Youcan'thaveChristmasinanEnglish﹣speakingcountrywithoutwatchingthismovie.It'snotfunnylikeHomeAloneorTheGrinchbutitisincrediblytouching.It'saboutamanwhoclaimstobeSantabutnobodybelieveshimexceptalawyerandalittlegirl.Thestory﹣linemayseemalittlechildishbutyoucanenjoyitatanyage. 1Whichfilmisadaptedfromafairytale? A.TheGrinch. B.HomeAlone. C.LoveActually. D.Miracleon34thStreet. 2WhatisHomeAlonemainlyabout? A.Anunsuccessfulfamilyvacation. B.Aboyprotectinghomebyhimself. C.Aterriblesufferingtoalittleboy. D.A10﹣year﹣oldboy'spracticaljokes. 3WhyisMiracleon34thStreetsopopular? A.Owingtoitsmovingplots. B.Becauseofitsfunnystory. C.Duetoitschildishstoryline. D.Foritsfamousactorsandactresses.
如图1是某省2019年1～4月快递业务量统计图图2是该省2019年1～4月快递业务收入统计图其中同比增长率指和去年同期相比较的增长率．下列对统计图理解错误的是
10分假定英语课上老师要求同桌之间交换修改作文请你修改你同桌写的以下作文.文中共有10处语言错误每句中最多有两处.每处错误仅涉及一个单词的增加删除或修改. 增加在缺词处加一个漏字符号∧并在其下面写出该加的词. 删除把多余的词用斜线\划掉. 修改在错的词下画一横线并在该词下面写出修改后的词. 注意1.每处错误及其修改均仅限一词 2.只允许修改10处多者从第11处起不计分. LastMondayIlearnedalessonabouttelllies.EarlyinthemorningIdidn'twanttogototheschoolbutIpretendedtofeelill.MymotherwasveryworryingwhenItoldher.SheleftquicklyandIthoughtshehasgonetowork.Butsoonshecamebackwithabottleofpill.Shesaidthatshehadaskedforadayofffromworktolookme.IfeltalittleguiltybutIdarednottellthetruth.Thatafternoonmyteachercametovisitme.Ifeltsoregretfullyfortellinglies.FinallyIadmittedIhadlainandpromisednevertodothemagain.
假定你是李华正利用暑假在北京的EnglishLanguageCenter学习英语.你的美国朋友Sandy来信询问你的近况请你用英语给她回一封信内容包括 1.因为很久没有给Sandy回信而向她道歉 2.介绍自己学习的情况 3.介绍自己在生活中遇到的困难. 注意1.词数100左右 2.可根据内容要点适当增加细节以使行文连贯.
25分假设你是李华.你的英国朋友Emily来信说她非常喜欢中国的民族舞并打算最近来中国学习民族舞想请你帮她推荐一位舞蹈老师.请你根据以下要点给她写一封信推荐一位老师. 要点 1.介绍你所推荐的老师 2.推荐该老师的原因 3.祝愿她拜师成功. 注意 1.词数100左右 2.可以适当增加细节以使行文连贯. DearEmily Yours LiHua
TheTruthaboutWhisky Whiskyisprobably1mostfamousproductofScotland.Whiskymakingprovideswork2severalthousandpeopleintheScottishHighlandsandislandsandwhiskyisScotland'sbiggestgoods3selltoeverycorneroftheworld. Thequalitiesofwhiskycomefromthewaterwhich4usetomakeittherichpeaty多泥炭的waterofScotland.Whenwhiskyisfirstmadeitis5actualclear notbrownincolour.Thecolourcomesfromthewooden6containerinwhichthewhiskyisstoredforseveralyearstoallowit7maturefromalittleaddedsugar. FormanyyearswhiskyhasbeenoneofthemostpopulardrinksallovertheworldandScotland8producemoreandmoreofitsofar.ButwhiskysaleshavenotincreasedasfastsotherearenowlargereservesofwhiskyinScotlandespeciallythebetterand9muchexpensivewhisky.Soalotofthewhiskysoldtodaywasmadeseveralyearsagowhenpeoplethoughtthatwhiskywouldgetmoreandmorepopular.Thatis10todayalotofthewhiskyintheshopsismarkedwithTenyearsoldorevenFifteenyearsold.
15分 TheCaffeineCatch Caffeineachemicaltypicallyfoundincoffeehascausedalotofconcernbecauseitisoneofthefewdrugsthatshowupregularlyinourfoodsupply.Youprobably1usecaffeinesincechildhood.Caffeine2beinyourfirstCoke.Ifyoueverenjoyedachocolatebaryouatecaffeine.Softdrinksarethemajorsource来源ofcaffeineformostchildrenandevensomeadults.3recentcaffeinehasfounditswayintoorangeappleandotherflavoreddrinks. Smallamountsofcaffeine﹣acup4twoofcoffeeaday﹣seemsafeformostpeople.Howeversomepeoplehavetroublewithevensmallamounts.Onecupofcoffee5thelateafternoonoreveningwillcause6theytostayawakealmostallnight.Largeramountsofcaffeinecancauseaproblem7callcaffeinism.Yougetverynervousandyoucan'tsleep. Itispossible8caffeinemaycausebirthdefects缺陷inhumanstoo.Onestudyshowedthat9womanwhodrankalotofcoffeelikeeightormorecupsperdaywhiletheywerepregnantweremorelikely10havechildrenwithbirthdefects. haveused/was/Recently/or/in/them/called/that/women/tohave
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