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ClO2是高效消毒灭菌剂,制备反应2NaClO3+SO2+H2SO4=2ClO2+2NaHSO4,该反应中( )
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高三上学期化学《》真题及答案
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NaClO2是一种重要的杀菌消毒剂也常用来漂白织物等其一种生产工艺如下 回答下列问题 1NaClO
世界卫生组织将ClO2列为
级高效安全灭菌消毒剂,它在食品保鲜、饮用水消毒等方面有广泛应用。ClO2属于 ( ) A.氧化物
酸
碱
盐
根据世界环保联盟的要求广谱消毒剂ClO2将逐渐取代Cl2成为生产自来水的消毒剂工业上ClO2常用Na
Na2SO4
SO2
S
Na2S
与Cl2相比较ClO2处理水时被还原成Cl-不生成有机氯代物等有害物质工业上可用亚氯酸钠和稀盐酸为原
二氧化氯ClO2是一种高效广谱安全的杀菌消毒剂1氯化钠电解法是一种可靠的工业生产ClO2的方法①用于
ClO2是一种广谱高效的消毒剂根据世界环保联盟的要求ClO2将逐渐取代Cl2成为自来水的消毒剂工业上
1∶1
1∶2
2∶1
2∶3
日本强地震和海啸过后饮用水的消毒杀菌成为抑制大规模传染性疾病爆发的有效方法之一救灾需要大量的消毒剂1
世界卫生组织WHO将ClO2列为
级高效安全灭菌消毒剂,它在食品保鲜、饮用水消毒等方面有广泛应用。ClO2属于( ) A.氧化物
酸
碱
盐
工业上制取ClO2的化学反应2NaClO3+SO2+H2SO4=2ClO2+2NaHSO4下列说法正
SO2在反应中作还原剂
NaClO3在反应中被氧化
H2SO4在反应中作氧化剂
1 mol氧化剂在反应中失去1mol电子
二氧化氯ClO2是一种高效广谱安全的杀菌消毒剂1氯化钠电解法是一种可靠的工业生产ClO2方法①用于电
ClO2是一种广谱型的消毒剂根据世界环保联盟的要求ClO2将逐渐取代Cl2成为生产自来水的消毒剂工业
1∶1
2∶1
1∶2
2∶3
二氧化氯ClO2是一种高效广谱安全的杀菌消毒剂1氯化钠电解法是一种可靠的工业生产ClO2方法①用于电
与Cl2相比较ClO2处理水时被还原成Cl-不生成有机氯代物等有害物质工业上可用亚氯酸钠和稀盐酸为原
地震发生后为确保大灾之后无大疫灾区使用了大量的消毒剂ClO2工业上制取ClO2的原理之一是2NaCl
上述反应属于复分解反应
ClO2中氯元素和氧元素的质量比为1:2
X 的化学式为HCl
上述反应的生成物都是由分子构成的
消毒剂在生产生活中有极其重要的作用开发具有广普高效低毒的杀菌剂和消毒剂是今后发展的趋势1Cl2H2O
世界卫生组织WHO将二氧化氯ClO2列为A.级高效安全灭菌消毒剂ClO2是一种消毒杀菌效率高二次污染
世界卫生组织WHO将ClO2列为
级高效安全灭菌消毒剂,它在食品保鲜、饮用水消毒等方面有广泛的应用。ClO2属于 A.酸
碱
氯化物
氧化物
NaClO2是一种重要的杀菌消毒剂也常用来漂白织物等其一种生产工艺如下 回答下列问题 1NaCl
二氧化氯ClO2是一种高效消毒剂下列反应可制得ClO22NaClO3+Na2SO3+H2SO4=2C
H
2
SO
4
发生氧化反应
NaClO
3
是还原剂
Na
2
SO
4
是还原产物
当转移1mol电子时,该反应生成1 mol ClO
2
二氧化氯ClO2是国际公认高效安全的杀菌保鲜剂是氯制剂的理想替代品工业上制备ClO2的方法很多NaC
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8分Itisgenerallyacknowledgedthatyoungpeoplefrompoorersocio﹣economicbackgroundstendtodofesswellintheeducationsystem.Inanattempttohelpthechildrenofpoorfamiliesanationwideprogramcalled'Headstart'wasstartedintheUSin1965.Alotofmoneywaspouredintoit.ItLookchildrenintopre﹣schoolinstitutionsattheageofthreeandwassupposedtohelpthemsucceedinschool.Buttheresultshavebeendisappointingbecausetheprogrambegantoolate.Manychildrenwhoentereditatthreewerealreadybehindtheirpeersinlanguageandintelligenceandtheparentswerenotinvolvedintheprocess.Attheendofeachday'Headstart'childrenreturnedtothesamedisadvantagedhomeenvironment.ToimprovetheresultsanotherprogramwasstartedinMissourithatconcentratedonparentsasthechild'sfirstteachers.Thisprogramwasbasedonresearchshowingthatworkingwiththefamilyisthemosteffectivewayofhelpingchildrengetthebestpossiblestartinlife.Thefour﹣yearstudyincluded380familieswhowereabouttohavetheirfirstchildandrepresenteddifferentsocio﹣economicstatusageandfamilystructure.Theprograminvolvedtrainededucatorsvisitingandworkingwiththeparentorparentsandthechild.Theprogramalsogavetheparentssomeguidanceandusefulskillsonchilddevelopment.Atthreethechildreninvolvedinthe'Missouri'programwereevaluatedwiththechildrenselectedfromthesamesocio﹣economicbackgroundsandfamilysituations.Theresultswereobvious.Thechildrenintheprogramweremoreadvancedinlanguagedevelopmentproblemsolvingandotherintellectualskillsthantheirpeers.Theyperformedequallywellregardlessofsocio﹣economicbackgroundsorfamilystructure.Theonefactorthatwasfoundtoaffectthechild'sdevelopmentwasthepoorqualityofparent﹣childinteraction.Thatinteractionwasnotnecessarilybadinpoorerfamilies.The'Missouri'programcomparesquitedistinctlywiththe'Headstart'program.Withoutasimilarfocusofparenteducationandonthevitalimportanceofthefirstthreeyearssomeevidenceindicatesthatitwillnotbeenoughtoovercomeeducationunfairness.1.Whatcausedthefailureofthe'Headstart'program?A.Thelargenumberofpoorfamilies.B.Thedisapprovalfromchildren.C.Thefatestartoftheprogram.D.Thelongperiodoftime.2.Whatdoweknowaboutthe'Missouri'program?A.Itfocusedonthechildren'sfirstschoolteachers.B.Ithelpedthechildrenreturntothesamehome.C.Itmadethechildrenimprovedinmanyaspects.D.Itgavetheparentsadviceontheirdevelopment.3.Accordingtothepassagewhatislikelytoinfluencechildrensperformance?A.Thenumberoffamilymembers.B.Theteacher﹣studentrelationship.C.Theintelligenceoftheirparents.D.Theparent﹣childcommunication.4.Howdoestheauthordevelopthepassage?A.Bylistingfigures.B.Bymakingcomparisons.C.Rypresentingideas.D.Bydrawingconclusions.
8分Inmanycountriespeopleworkfiveeight﹣hourdaysor40hoursaweek.Butsomecompaniesnowwanttheiremployeestoworkjustfourdaysaweekandstillpaythemforfive.Isittoogoodtobetrue?PlanioaGermancompanyofferedafour﹣dayweektoitsemployeesearlierthisyearSchulz﹣HofenthefounderofPlaniofirsttestedthefour﹣dayworkweekonhimselfHesaid'Itismuchhealthierandwedoabetterjobifwe'renotworkingcrazyhours.Ididntgetlessworkdoneinfourdaysthaninfivebecauseinfivedaysyouthinkyouhavemoretimeyoutakelonger.'AlsoanothercompanycalledGuardianinNewZealandtestedhowitsemployeesreactedtoa32﹣hourworkweekearlierthisyear.Itsaidtheworkersreportedfeelinglesspressuredandmorefocusedonthebusiness.InJapanthegovernmentisurgingcompaniestolettheirworkershaveMondaymorningsoff.AndintheUKTradesUnionCongressTUCispushingforthecountrytomovetoafour﹣dayweekbytheendofthecenturythinkingthatashorterworkweekisawayforworkerstoshareinthewealthmadebynewtechnologieslikemachinelearningandrobotics.TUC'sKateBellnoted'Itwouldreducethestressofjugglingworkingandfamilylife.''Astudyof3000employeesfoundthatnearlyhalfthoughttheycouldeasilyfinishtheirworkinfivehoursadayiftheydidnothavetostopandrestart.TheworkerswerefromeightcountriesincludingtheUnitedStatesBritainandGermany.DanSchawbelworkinginFutureWorkplacewhichcarriedoutthesurveywithKronossaid'Becauseyoualwayshavethetechnologyyouarealwaysworkingsoyouaregettingburnedout.'Heexpectsmorecompaniesandcountrieswillpermitafour﹣dayworkweek.1.WhatdidSchulz﹣Hofendo?A.HefoundedacompanyintheUK.B.Hetriedoutanewideahimself.C.HemadeastudyintoFutureWorkplace.D.Heurgedhisemployeestobemoreproductive.2.WhatdothestaffofGuardianthinkofthenewworkweekpolicy?A.Stressful.B.Beneficial.C.Unnecessary.D.Faultless.3.Whichofthefollowingcanbestreplacetheunderlinedword'juggling'inParagraph3?A.Balancing.B.Choosing.C.Improving.D.Controlling.4.Whatconclusioncanbedrawnfromthetextaboutthefour﹣dayworkweek?A.Itisactuallytoogoodtobetrue.B.Ithassomeunavoidabledisadvantages.C.Itisbeneficialtobothemployeesandcompanies.D.Ithasbecomeacommonpracticeinmanycountries.
10分InastudyrecentlypublishedinthejournalNeuronresearchersfoundthatsupermemorizersdonthaveunusuallylargebrainregionsthatallowthemtorememberalotofinformation.1Hereareafewoftheirfavoritetricksthatcanhelpyoutorememberthingsinyoureverydaylife.ToRemember:NewwordsTechnique:ChangeroutineInastudyagroupofstudentsstudiedalistofwordsintwoseparatesessions.Somestudiedinamessyroomandsomeinaneatspace.Onegroupofstudentsspentbothsessionsinthesameroomwhiletheothersplitthesessionsbetweenthetwoenvironments.Duringatestthestudentswhostudiedinmultipleplacesrememberedmuchmore.2Thatincludesthetimeofdaythemusicinthebackgroundwhetheryousitorstandetc.ToRemember:YourPINTechnique:CountitoutYoucoulduseyourbirthdayoryourphonenumberbutidentitythieveshaveawayoffiguringthosenumbersout.3Writeafour﹣wordsentencethencountthenumberoflettersineachword.Forinstance'ThisismyPIN'=4223.ToRemember:FacesTechnique:FocusonnosesWhilesomesupermemorizersspecializeinassociatingnameswithfacesthememory﹣palacetechniquedoesn'tworkaswelliftheimageofthefaceischangedinanyway.Ratherthanfocusingoneyesasmostpeopledofocusonthecentreortotheleftofapersonsnose.4ToRemember:Facts&figuresTechnique:5Tolearnandrememberstatisticsreviewingthematerialrepeatedlyoveralongertimeisfarmoreeffectivethanrepeatingitinashorterone.Ifyourexamisinaweekstudytodayandthenagaininadayortwo.Ifitsamonthawaystudytodayandthenwaitaweekbeforeyoursecondsession.A.Valueexams.B.Giveyourselftime.C.Thisallowsyoutotakeintheirwholeface.D.Theirbrainstructuresareinfactthesameastherestofours.E.InsteadtrythistipfromDominicaneight﹣timeWorldMemoryChampion.F.Thetheoryisthatyourbrainlinksthewordstotheenvironmentaroundyou.G.Studiesshowedthatvaryingotheraspectsofyourenvironmentcanalsohelp.1.2.3.4.5.
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下列仪器对应名称正确的是
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10分DearLaura Thanksforlettingustostayatyourseasidehouse.NowyoumighthaveheardfromyourneighborsaboutwhichhappenedonSaturdayevening.WhenIwasoutawalkmyyoungersonTomplayedfootballbeforeyourhouse.Hemadesomanynoisethattheneighborsgotquiteangrily.EvenworseTombrokeoneofthewindowofMr.Wilson'shouse.TomandIapologizedtoalltheneighborsfortheunhappyhappeningsbutpromisedtohavethebrokenwindowrepairsoon.Tomsaidthatwewouldnotdosuchsillythingsanymore.Iamgladthatyourneighborshadforgivenus.Theyarereallynicepeople. Yours Betty
8分AnyforeignerwhohastriedtolearnChinesecantellhowharditistomasterthetonesrequiredtospeakandunderstand.Andanyonewhohastriedtolearntoplaytheviolinorotherinstrumentscanreportsimilarchallenges.NowresearchershavefoundthatpeoplewithmusicaltraininghaveaneasiertimelearningChinese.WritingintheonlineeditionofNatureNeuroscienceresearchersfromNorthwesternUniversitysaythatbothskillsdrawonthesamepartsofthebrainthathelppeoplediscoverchangesinpitch音调.Oneofthestudy'sauthorsNinaKraussaidthefindingssuggestedthatstudyingmusic'actuallytunesoursensorysystem'.ThismeansthatschoolsthatwantchildrentodowellinlanguagesshouldhesitatebeforecuttingmusicprogramsDr.Kraussaid.Shesaidmusictrainingmightalsohelpchildrenwithlanguageproblems.Mandarin普通话speakershavebeenshowntohaveamorecomplexencoding编码ofpitchpatternsintheirbrainsthanEnglishspeakersdo.ThisisbecauseinMandarinandotherAsianlanguagespitchplaysacentralrole.Asinglesyllablewordcanhaveseveralmeaningsdependingonhowitisintoned.Forthisstudytheresearcherslookedat20nonChinesespeakingvolunteershalfwithnomusicalbackgroundandhalfwhohavestudiedaninstrumentforatleastsixyears.AstheywereshownamoviethevolunteersalsoheardanaudiotapeoftheMandarinword'mi'inthreeofitsmeanings:squintbewilderandrice.Theresearchersrecordedactivitiesintheirbrainstemstoseehowwelltheywereprocessingthesounds.ThosewithamusicbackgroundshowedmuchmorebrainactivitiesinresponsetotheChinesesounds.TheleadauthorofthestudyPatrickC.M.Wongsaiditmightworkbothways.Itappearsthatnativespeakersoftonallanguagesmaydobetteratlearninginstruments.1.WhenlearningChineseaforeignerwillfind.A.hehasadifficulttimelearningmusicatthesametimeB.hehasaneasiertimelearningmusicatthesametimeC.itishardtomasterthetonesrequiredtospeakandunderstandD.itiseasytousethebraintohelphimdiscoverchangesinpitch2.WhydoesChineselearninghavesomethingtodowithmusictraining?A.BecausethereisthesamedifficultyinlearningChineseandmusic.B.Becauseskillstolearnthetwomakeuseofthesamepartsofthebrain.C.Becausemusictrainingmighthelppeoplewithlanguagestudy.D.BecausepeoplewhodowellinChinesestudydowellinmusic.3.Theunderlinedword'intoned'inthefourthparagraphcanbereplacedbytheword''.A.createdB.spelledC.seemedD.pronounced4.Whatwouldbethebesttitleforthispassage?A.MandarinSpeakersAreSmarterthanEnglishSpeakersB.SkilledEarforMusicMayHelpLanguageStudyC.PitchPlaysaCentralRoleinChineseLearningD.SchoolsNeedtoDevelopMusicPrograms
15分Chinesehigh﹣speedrailwayareavery1comfortwaytotravel.Theyarecleanquietandefficient.Chinahasledotherdevelopingcountriesandevensomedevelopedonesinthisfieldsincethefirsthigh﹣speedtrain2comeintousein2008.Thestationsare3mainbuiltoutsidethetowncentrebutlocaltransporthasbeenlengthened4connectthehigh﹣speednetwork.Thefacilitiesonthetrainarenewandthestaffarewelltrained.Eventhesecondclass5chairprovideplentyofspace.Thepassengersaresowide6youcanmovewithoutdisturbinganyone.Youcanuseyourmobilephoneaccess7Internetorworkonyourlaptop.Thereisalsoarestaurantcarthoughthekindsoffood8belimited.Thetoiletsarelargecleananduser﹣friendlytoo.Thetrainalmostdoesntrock.Evenwhenthetrainbrakesyoucanhardlyfeelitshake.What'smorewithafastercheck﹣inthehigh﹣speedtrainsarealso9littleaffectedbyweatherthanplanes.Seldomare10delayedorcancelledforweathercondition.Thereforetheyhavebecomethefirstchoiceformanypassengers.
Clevernessisagiftwhilekindnessisachoice.Giftsareeasy﹣they'regivenafterall.Choicescanbehard﹣JeffBezos IgottheideatostartAmazon16yearsago.IcameacrossthefactthattheInternetusagewasgrowingat2300percentperyear.I'dneverseenorheardofanythingthatgrewthatfastandtheideaofbuilding'anonlinebookstorewithmillionsoftitleswasveryexcitingtome.Ihadjustturned30yearsoldandI'dbeenmarriedforayear.ItoldmywifeMacKenziethatIwantedtoquitmyjobandgotodothiscrazythingthatprobablywouldn'tworksincemoststart﹣upsdon'tandIwasn'tsurewhattoexpect.MacKenzietoldmeIshouldgoforit.AsayoungboyI'dbeenagarageinventor.I'dalwayswantedtobeaninventorandshewantedmetofollowmypassion. IwasworkingatafinancialfirminNewYorkCitywithabunchofverysmartpeopleandIhadabrilliantbossthatImuchadmired.IwenttomybossandtoldhimIwantedtostartacompanysellingbooksontheInternet.HetookmeonalongwalkinCentralParklistenedcarefullytomeandfinallysaidThatsoundslikeareallygoodideabutitwouldbeanevenbetterideaforsomeonewhodidn'talreadyhaveagoodjobThatlogicmadesomesensetomeandheconvincedmetothinkaboutitfor48hoursbeforemakingafinaldecision.SeeninthatlightitreallywasadifficultchoicebutfinallyIdecidedIhadtogiveitashot.Ididn'tthinkI'dregrettryingandfailing.AndIsuspectedIwouldalwaysbehauntedbyadecisiontonottryatall. AftermuchconsiderationItookthelesssafepathtofollowmypassionandI'mproudofthatchoice.Forallofusintheendweareourchoices. 1Whatinspiredtheauthorwiththeideaofbuildinganonlinebookstore? A.Hisdreamofbeinganinventor. B.Thesupportofhiswife. C.ThegreatlyincreasingusageoftheInternet. D.Millionsofexcitingtitles. 2Whichofthefollowingisclosestinmeaningtotheunderlinedsentence? A.Theideaofnottryingwouldkeepcomingtohismindanddisturbhim. B.Hewouldbeveryexcitedifhetrieditout. C.Hewouldbealwayshavingadoubtifhedidn'ttry. D.Thedecisiontonottrytheonlinebookstorewouldterrifyhim. 3Wecanknowfromthepassagethat. A.thebossthoughttheideawassuitablefortheauthor B.theauthorwantedsomeoneelsetotrytheidea C.theauthormightnotregretifhefailedtheidea D.theauthormightgobacktohisbossifhefailed 4Whichofthefollowingwouldbethebesttitleforthepassage? A.ClevernessandKindness B.TheStartingofAmazon C.FollowingMyPassion D.WeAreWhatWeChoose
8分Skepticsareastrangelot.Someofthemrefusetoadmittheseriousthreatofhumanactivitiestotheenvironmentandtheyaretiredofpeoplewhodisagreewiththem.Thosepeoplesayskepticsspreadnothingbutbadnewsabouttheenvironment.The'eco﹣guilt'broughtonbythediscouragingnewsaboutourplanetgivesrisetothepopularityofskepticsaspeoplesearchformorecomfortingworldviews.PerhapsthatexplainswhyanewbookbyBjornLomborgreceivedsomuchpopularity.ThatbookTheSkepticEnvironmentalistdeclaresthatitmeasuresthe'realstateoftheworld'asfine.Ofcourseanotherexplanationisthedeeppocketsofsomebigbusinesseswithspecialinterests.IndeedMr.Lomborg'sviewsaresimilartothoseofsomeIndustry﹣fundedorganizationswhichstarthugeactivitiesthroughthemediatoconfusethepublicaboutissueslikeglobalwarming.SoitwasstrangetoseeMr.Lomborg'sbookgolargelyunchallengedinthemediathoughhisbeliefswerecontrarytomostscientificopinions.OnenationalnewspaperinCanadarananumberofarticlesandreviewsfullofwordsofpraiseevenwiththeconclusionthat'AfterLomborgtheenvironmentalmovementwillbegintodiedown.'Suchone﹣sidedviewsshouldhaveimmediatelybeenchallenged.ButonlyadifferentreviewappearedinNaturearespectedsciencemagazinewithspecificreadership.ThereviewremarkedthatMr.Lomborg's'preferenceforunexaminedmaterialsisincredible不可信的'.Acritical批判的eyeisvaluableandthemediashouldpresentinformationinsuchawaythatcouldallowpeopletomakeinformeddecisions.Unfortunatelythatisofteninaccessibleasblockedbythedesiretobeshockingortodefendsomespecialinterests.Peoplemightbecomehalf﹣blindedbeforeaworldpartiallyexhibitedbythemedia.That'sashamebecausemattersconcerningthehealthoftheplanetarefartooimportanttobetreatedlightly.1.Accordingtothepassagewhichofthefollowingmayberegardedas'skeptics'?A.Peoplewhoagreeonthepopularityof'eco﹣guilt'.B.Peoplewhodisbelievetheserioussituationofourplanet.C.Peoplewhodisliketheharmfuleffectofhumanactivities.D.Peoplewhospreadcomfortingnewstoprotectourenvironment.2.WhichofthefollowingcanbeareasonforthepopularityofLomborg'sbook?A.Somebigbusinessesintendtoprotecttheirowninterests.B.Thebookchallengesviewsaboutthefinestateoftheworld.C.Theauthorconvincespeopletospeakcomfortingworldviews.D.Industry﹣fundedmediapresentconfusinginformation.3.TheauthormentionedthereviewinNatureinorderto.A.voiceadifferentopinionB.findfaultwithLomborg'sbookC.challengetheauthorityofthemediaD.pointoutthevalueofscientificviews4.Whatistheauthor'smainpurposeinwritingthepassage?A.Toencouragetheskepticstohaveacriticaleye.B.Towarnthepublicofthedangerofhalf﹣blindnesswithreviews.C.Toblamethemedia'slackofresponsibilityinpresentinginformation.D.Toshowtheimportanceofpresentingoverallinformationbythemedia.
下列各关系中正确的是
30分OneeveningCatherinewasathomeasusual.Asher1swungbetweenwhatshewasgoingtodowithherlifeandtheirdinnerplansfortheeveningshewasunexpectedly2byanurgentcallfromhersister'Getoverhere!TurnonNBCandchecktheseguysout.Theyarejustlikeyou..'OneFacebookmessageandaphoneinterviewlaterCatherine3herselfonabuswith8strangersinthemiddleoftheswelteringdesertheatofUtahpickinguptrashand4awarenessaboutzero﹣wasteandclimatechange.Withadeep5oftheenvironmentandadesiretomakea6CatherineDaveyandagroupofself7'environmentalpick﹣upartists'wentonacoasttocoastroadsidetrashpick﹣up.Astheywalkedsometimesonly80.9milesinanentiredaythey9andsteadilymadetheirwayacrosstheUnitedStatesforthreeyearspickingupatotalof201678poundsoftrash.CatherineandDavey10withuswonderfulstoriesofhopeandinspirationthatfueledtheir11tocontinuetheirjourney.Afterspendingweekssilently12howshewouldhaveenough13toflyhomefortheirtwo﹣weekspringbreakCatherinefoundablankunidentifiedenvelope14with$850cashinthedesert.Justenoughtogetherhomeandback.Aftertheirbus15outsideofDenvertheyunexpectedlygot16andarrivedinYosemiteNationalParkthreeweekslaterjustintimeforthe'YosemiteFacelift'where17fromalloverthestatecametogetherwitha18ofcleaninguptrashalloverthepark.Beingattherightplaceattherighttimebecamealmostnormalandtheyrealizedthatmuchofwhatthey19wasmorethanjustacoincidence.Togethertheirteamlearnedtosimply20themselvestotheirtaskandsurrendertothejourney.1.A.hands B.balance C.thoughts D.position2.A.blamed B.interrupted C.moved D.frightened3.A.dropped B.cheered C.found D.taught4.A.abandoning B.shaking C.raising D.hiding5.A.pride B.trust C.fear D.love6.A.difference B.promise C.mistake D.plan7.A.corrected B.described C.repeated D.discovered8.A.driving B.fixing C.riding D.covering9.A.slowly B.secretly C.helplessly D.frequently10.A.heard B.shared C.wrote D.read11.A.efforts B.costs C.problems D.choices12.A.worryingabout B.replyingto C.dependingon D.meetingwith13.A.time B.food C.money D.room14.A.equipped B.supplied C.decorated D.filled15.A.setoff B.brokedown C.headedfor D.heldon16.A.rest B.practice C.understanding D.help17.A.members B.volunteers C.tourists D.reporters18.A.purpose B.question C.decision D.lesson19.A.introduced B.expected C.experienced D.examined20.A.turn B.limit C.compare D.devote
25分假定你是李华是学校学生会__.请你代表学生会写封邮件给外教老师Brown女士邀请她参加学生会组织的英语角EnglishCorner活动内容包括: 1.活动时间和地点; 2.活动内容和目的; 3.希望外教给予指导. 注意: 1.词数100左右 2.可以适当增加细节以使行文连贯. DearMs.Brown Yours LiHua
Asachildgrowsupyoumaywonderhowyoucanteachhimtobecomearespectfuladult.1Achildwholearnstorespectnotonlylearnstoreceiverespectfromothersbutalsolearnstorespcthimself. ※Showhimrespect Thisisthebestwaytoteachyourchildhowtorespectothers.Listentoyourchildattentivelyandhewilllearntolistentoyouunderstandinghowimportantthisisincommunication. 2Themoreyousaypleaseandthankyoutoyourchildthemorelikelyhewilllearntousethem.Politenessthenbecomesanormalpartofanyconversation Agreetodisagree 3Explainyourdecisionsothathewillunderstandyouandexpectrespectfulresponses.Disagreeingwithyoudoesn'tnecessarilymeandisobedience不服从 Controlyourdesiretooverreact Whenasituationarisesstaycalmandkeepinmindthatyouaresupposedtobemodelingcorrectbehavior.4Paisepraisepraise! Somuchisfocusedonwhatachilddoeswrongandhowtocorrectitthathisaccomplishmentsarenotcelebratedenough.5 A.Teachmannersbyusingpoliterequestsandresponses B.Respectfulbehaviorisalwaysaccompaniedbybadbehaviorasachild C.Respectisnecessaryforameaningfulandsuccessfullife. D.Ifheseesyouloseyourtemperheismorelikelyto.respondthatwayinfuture E.Achildmayactashepleasesandhewillliveahappylife. F.Seeingachildexhibitrespectfulbehaviormakesureheknowshowproudyouareofhim G.Trytorememberthatachildwon'talwaysagreewithyou.
8分Knowingwhattodoatcheckoutandproperlypreparingforitcanturnapotentiallyheatedsituationintoaquickthankyouaddgoodbye.Belowwemadealistoffivethingsyoushouldrememberathotelcheckout.Don'tbelatetocheckHotelsmayaddanextremelyhighpriceforbeingjustahalfhourlate.Ifyouknowyouwon'tmakethecutofftimeitneverhurtstocallaheadandtrytonegotiateawayapotentialcharge.Don'tforgettodoublecheektheroomandsafeMakesureyoudon'tleavethingsbehind.Ifyouhaveanearlyflightorcheckouttimepackupasmuchasyoucanthenightbeforesothatlast﹣minuterushisn'ttooannoying.Alsobesuretotakeoutanythingintheroomsafe.Don'tforgettotipthehousekeepersIt'salwayspolitetoleavesomemoneyforthepeoplekeepingyourroomclean.Don'tignorethedetailedbillYoumaybeinarushbutgivethedetailedhillacarefullooktoseeifthehotelchargeisdifferentfromtherateyouinitiallybooked.Don'tgetangryShootingattheassistantmanagerstandingbehindthefrontdeskprobablywon'thelp.Whendealingwithanunexpecteditemonthebill.Thinkabouthowdifficultitcanbetodealwithannoyedcustomers.Keepcalmandthingsmaybesolvedbetterandsooner.1.Thehotelwillchargeyoumoremoneyifyou.A.checkbeforecutofftimeB.donotcallthehotelaheadC.arelateincheckingoutD.negotiatewiththeclerks2.Whichofthefollowingdoestheauthorsuggestdoing?A.Leavingsomethingbehind.B.Beingsuretokeeptheroomclean.C.Doingthepack﹣upasearlyaspossible.D.Tippingthehousekeeperstoshitrespect.3.Whatisthepurposeofthelastparagraphofthepassage?A.TosuggestawaytosolveproblemsproperlyB.Toprovidemoreinformationaboutthehotel.C.ToshowtheuneasinessofassistantmanagersD.Toprotectcustomersfromunnecessarydangers.4.Inwhichsectionofthemagazinecanyouprobablyfindsuchapassage?A.Fitness.B.Nature.C.Lifestyle.D.Travel.
下列反应中水既不是氧化剂也不是还原剂的氧化还原反应是
下列离子方程式书写正确的是
8分TheHongKong﹣Zhuhai﹣MacauBridgetheworld'slongestsea﹣basedprojectcomprisesfourparts:a22.9﹣kilometersteelbridgetwoartificialislandsasubmergedseatunnelextendingfor6.7kilometersaswellasleadingbridgesthatconnectthebridgetothecities.Forabridgeprojectdesignersprefertobuildallthestructureonthegroundandonlychoosethetunnelwhenthereisnoalternative.HoweverfortheHZMBthemostpracticaldesignistointegratebridgeislandandtunneltoformacompletecross﹣seachannel.'ThePearlRiverEstuary河口holdsaworld﹣levelshippingchannel.Smoothtrafficshouldbeguaranteed.AndthelocationisneartheHongKongInternationalAirport.Withabout2000flightstakingoffandlandingattheairportthebridgecannotbebuilttoohighforsafetyreasons/5saidMengFanchaochiefdesigneroftheproject.'Butyoucannothaveasubmergedseatunnelwithoutanysupport.Thatforcedustobuildtheartificialislands.'Chineseengineersdeclaredatrailininstallingdeep﹣immersedtunneltubes.6tThereisnomodelforustorefertoasallthecasesareshallow﹣buriedtubes9saidMeng.'Forlackofexperiencetheinstallationofthefirsttubelastedfor96hours'saidYinHaiqingdeputymanageroftheProjectManagementDepartment.''Everyonewasexhaustedwhenwemadeit.'The6.7﹣kilometertunnelistheworld'slongestsubmergedseatunnel.Twoartificialislandscoveringanareaof200000squaremetershelpcreateasmoothtransitionbetweenbridgesectionsandtunnels.Differentfromtraditionalislandtheengineersput120steelcylinders圆柱witha22﹣meterdiameter直径intotheseabedmakeouttheshapeofanislandandfilltheislandwithsoil.Itisaninnovativewaytheyadoptedtobuildtheartificialislandmakingitfirmermoreefficientandfriendlytothemarineecology.TheHZMBprovidesafixedlinkbetweenthetwoChineseeconomiccentresHongKongandMacauandthemainlandofChinaatZhuhai.1.Whyisn'tthebridgebuilttoohigh?A.Thebridgehasn'tanysupport.B.Itisn'tsafetobuildittoohigh.C.Theengineerslackexperience.D.Theengineerswanttomakeitspecial.2.WhatcanweknowabouttheHZMBfromthetext?A.AllthestructureoftheHZMBisbuiltontheground.B.The6.7﹣kilometretunnelistheworld'slongesttunnel.C.TheHZMBisthefirsttoinstalldeep﹣immersedtunneltubes.D.Theinstallationofthefirsttunneltubefailedforthefirsttime.3.What'sthefunctionoftwoartificialislands?A.Todeclareatrailinbuildingasea﹣basedbridge.B.Topreventthepollutionfromaffectingthemarineecology.C.Toensuresmoothtrafficbetweenbridgesectionsandtunnels.D.Toguaranteethesafetyoftheshipsgoingthroughtheestuary.4.Whattypeofwritingisthistext?A.Anadvertisement.B.Sciencefiction.C.Anannouncement.D.Anewsreport.
物质的量的单位是
氢有三种同位素氕氘氚它们之间不同的是
假如你是李华暑期将赴美国参加一个为期10个周的游学项目下面表格中是校方提供的住宿选项有些情况你想做进一步的了解再做选择请给校方写一封电子邮件询问要点包括 1.交通情况 2.房间设施 3.付费方式 注意事项 1.词数100字左右. 2.可根据情况适当增加细节以使行文连贯. 3.开头和结尾已给出不计入总词数. DearSirorMadam Yourssincerely LiHua
8分'MakewaygoodpeoplemakewayintheKing'sname!'criedhe.'Openatext;andIpromiseyouMistressPrynneshallbesetwheremanwomanandchildmayhaveafairsightofherbraveclothingfromthistimetillanhourpastnoon.AblessingonthemoralColonyoftheMassachusettswhereimmoralityisdraggedoutintothesunshine!ComealongMadamHesterandshowyourscarlet鲜红色的;罪孽深重的letterinthemarket﹣place!Alanewasatonceopenedthroughthecrowd.Ledbythebeadle狱吏andattendedbyanirregularprocessionofserious﹣lookingmenandunkind﹣lookingwomenHesterPrynnesetforthtowardstheplaceappointedforherpunishment.Acrowdofeagerandcuriousschoolboysunderstandinglittleofthematterinhandexceptthatitgavethemahalf﹣holidayranbeforeherprogressturningtheirheadscontinuallytostareintoherfaceandatthewinkingbabyinherarmsandattheshamefulletteronherbreast.Itwasnogreatdistanceinthosedaysfromtheprison﹣doortothemarket﹣place.Measuredbytheprisoner'sexperiencehoweveritmightbeconsideredtobearatherlongjourney;forthoughhermannerwasproudsheperhapsunderwentanextremepainfromeveryfootstepofthosewhothrongedtoseeherasifherhearthadbeenthrownintothestreetforthemalltostepupon.Inournaturehoweverthereisaconditionthatthesufferershouldneverknowtheintensityofwhatheenduresbyitspresentsufferingbutchieflybythepainthatrankles使痛心afterit.WithalmostacalmmannerthereforeHesterPrynnepassedthroughthisportionofhersufferingandcametoasortofscaffold刑台atthewesternendofthemarket﹣place.ItstoodnearlybeneaththeeavesofBoston'searliestchurchandappearedtobeafixturethere.1.Whatcanweknowabouttheschoolboys?A.Theyknewalittleofthematter.B.Theywerefullofcuriosityandeagerness.C.Theywerehappyforhavingaone﹣dayholiday.D.TheylikeHesterPrynneandherbabyverymuch.2.Whatdoestheunderlinedword'thronged'inparagraph3mean?A.Gathered.B.Happened.C.Pretended.D.Regretted.3.Whatcanweknowfromparagraph3?A.Theprisonwasreallyfarfromthemarket﹣place.B.Thescaffoldisattheeasternendofthemarket﹣place.C.HesterPrynnewasthrownintothestreetforpeopletostepon.D.Thesufferermainlyknowstheintensityofthepainafterthesuffering.4.WhatwouldprobablyhappentoHesterPrynneaccordingtothetext?A.Shewouldbesetfree.B.Shewouldgiveapublicspeech.C.Shewouldputonaperformance.D.Shewouldreceiveseriouspunishment.
10分Theword'boycott'comestoEnglishthroughIrishwhichcanbeusedasbothaverbandanoun.Asaverbboycottmeanstorefusetodosomethingasaformofprotest抗议.Peoplewhoboycottsomethingareoftenlookingforsocialeconomic经济的orpoliticalchange.1Peoplestopusinggoodsorservicesduringaboycottuntilchangesaremade.2Inthemid﹣1800sayoungmanCharlesBoycottworkedasalandagentfortheownerofalargecountryfarminIreland.3Laterthefarmersdemandedlowerrents.Boycottrefusedandevenkickedsomeofthemoutofthefarm.AsaresultanothermannamedDavittcameintoconflictwithBoycott.In1879DavittfoundedagroupcalledtheLandLeaguewhichsoughttohelppoorfarmers.HesuggestedtothefarmersthattheyrefusetodobusinesswithBoycott.4SinceBoycott'sworkersandservantsrefusedtocarryouthisordersthecropsinhisfieldswentbad.ThecommunityturnedtheirbackontheBoycott'sfamilyandtheywereforcedtomove.Attheendof1880someBritishnewspapersbeganusingBoycott'snamewhenreportingonaprotestofunfairmethodsoractions.5Bythelate1880sTheNewYorkTimeswasreportingonboycotts.Thewordwasgenerallyusedtodescribelaborprotestsagainstbusinesses.Thesedaysconsumersareabletousetheirbuyingpowertoboycottbusinessestheyconsiderunfair.A.Theusagequicklyspread.B.Infactitbeganwithaman'sname.C.Thisformofprotestprovedeffective.D.Howeveritsoriginalmeaningisstillunknown.E.Asanounthewordboycotthasasomewhatdifferentmeaning.F.Otherwisehislastnamemaybecomeawordpeopleusewhentheyprotest.G.Boycott'sjobwastocollectrentsfromthefarmerswhorentedfieldsofthefarm.
下列叙述正确的是
LastWednesdayabout7400Americanbankerswentbacktoschoolagain.Thistimetheydidnotgotolearn﹣theywenttoteach.11997theAmericanBankersAssociationhassponsoredTeachChildrentoSaveDay.EveryApril26bankersacrosstheUSAteachoverl.5millionprimaryandsecondaryschoolstudentshowtohandle2money. IntheUSAchildrenespeciallyteenagersareoftenbigspenders.In2013forexampleAmericanteenagersspent175billion.Thisis3averageof104perweekperteenagerFewteenagershaveanysavings.Theytypicallyspendmoneyasfastastheycan.Nearlyallwillcontinuetheir4spendhabitswhentheygrowup. It'snecessarythatchildrenlearnpropermoneymanagement5theyarestillyoung.Thebankersshowstudentshowtobudgetandmakesmart6decideaboutmoney.Theyexplainhowtobalancetheirexpensesagainsttheirincome.Theyhelp/hestudentsunderstandtheirfamily'sshoppingandhouseholdexpensesaswell.Ofcoursestudents7teachhowtoinvestandsavemoneytoo. AsBenjaminFranklinsaidApennysavedisapennyearned.Moreovermoney8saveatinterestcanincreasegreatlyinvalueovertime.Children9adultsneedtounderstandthevalueofsavingmoneyThisis10TeachChildrentoSaveDayisallabout.
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A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. IcanstillclearrememberIwasonceaskedtomakethespeechbeforethewholeclass.YoucanimaginehowshyIwaswhenIthoughtofthatwithsomanyeyefixedtome.Ihadnochoicebutprepareforitthough.Themosthardestpartwasmyoralpresentationfrommymemory.TherealmomentbeganwhenIstoodontheplatformwithmylegstrembledandmymindblank.Somylistenerswerewaitingpatiently.Gradually1foundmebackgivingmyspeechatlast.ThenIheardallthelistenersapplaudingloudly.Eversincethenmyfearofspeakingbeforetheaudiencehaddisappeared.ActuallynowI'vebecomeagreatspeaker!
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