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氢氧化铝和小苏打可作为治疗胃酸过多的内服药成分,两者( )
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高三上学期化学《》真题及答案
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下列各组物质与其用途的关系正确的是
明矾:净水剂
氢氧化铝:耐高温材料
苏打:发酵粉的主要成分
小苏打:治疗胃酸过多的一种药剂
氢氧化铝可作为治疗某种胃病的内服药这是利用了氢氧化铝的哪个性质
酸性
碱性
两性
氧化性
氢氧化铝可作为治疗胃酸过多的药物其原因主要是利用氢氧化铝的
酸性
碱性
两性
氧化性
人的胃液正常pH在0.3~1.2之间酸度再高就会患胃酸过多症下列物质不宜用作治疗胃酸过多症药剂成分的
氢氧化铝
氢氧化镁
氢氧化钠
碳酸钙
下列说法中错误的是
用氧化铝与水反应制取氢氧化铝
氢氧化铝用于治疗胃酸过多
氧化铁可用作红色颜料
铁制容器可盛装烧碱溶液
氢氧化铝可作为治疗胃酸过多的内服药这是利用了氢氧化铝的
弱碱性
弱酸性
两性
氧化性
氢氧化铝可作为治疗胃酸过多的内服药这是利用了氢氧化铝的
酸性
碱性
两性
氧化性
氢氧化铝可作为治疗某种胃病的内服药这是利用了氢氧化铝的哪个性质
酸性
碱性
两性
氧化性
正常情况下人体胃液的pH在1.2~3.0之间当人体内胃酸分泌过多时会出现吐酸水恶心胃痛等症状你若到医
氢氧化铝可作为治疗某种胃病的内服药这是利用了氢氧化铝的哪方面的性质
酸性
碱性
两性
氧化性
下列物质的性质或用途正确的是
二氧化硅是制造太阳能电池的常用材料
硅可以用来做光导纤维
小苏打和氢氧化铝均可治疗胃酸过多
NO是红棕色气体
下列说法不正确的是
明矾可做消毒剂
次氯酸钠可作漂白剂
氧化铝可作耐火材料
氢氧化铝可作治疗胃酸过多的药物
氢氧化铝可作为治疗某种胃病的内服药这是利用了氢氧化铝的哪个性质
酸性
碱性
还原性
氧化性
人类生活离不开化学硫酸亚铁明矾小苏打食盐次氯酸钙和氢氧化铝都是生活中较常见的化学物质⑴医疗上常用__
氢氧化铝可作为治疗某种胃病的内服药这是利用了氢氧化铝的
酸性
碱性
两性
氧化性
化学在生产和日常生活中有着重要的应用下列说法不正确的是
铁管道与直流电源负极相连,防止铁管道腐蚀
小苏打、氢氧化铝可用于治疗胃酸过多
物质的性质决定物质的用途你认为下列物质的用途与其物理性质有关的是
氢氧化铝用于治疗胃酸过多
氧气用于炼钢
金刚石用于切割玻璃
小苏打用于做馒头
下列各组物质与其用途的关系正确的是
胆矾:净水剂
氢氧化铝:耐高温材料
FeO:红色油漆和涂料
小苏打:治疗胃酸过多的一种药剂
胃液中含有盐酸胃酸过多的人常有胃疼烧心的感觉易吐酸水服用适量的小苏打NaHCO3能治疗胃酸过多1写出
人体胃液中含有胃酸0.2%~0.4%的盐酸起杀菌帮助消化等作用但胃酸的量不能过多或过少它必须控制在一
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下列关于物质或离子检验的叙述正确的是
10分OnDecember222016Ilandedinthelandofthe'AmericanDream.'1HereisoneofthethingsI'vestruggledwithduringmyalmostoneyearintheStates.2MyuncleandauntjokedthatIbroughtrainfromSaigontoAmerica.SaigonwhereIcomefromistheoldnameofHoChiMinhCityinVietnam.Vietnamisatropicalcountrywhereitrainsmostoftheyear.BeforegoingtotheU.S.actuallyIhadnoideawhattoexpectaboutitsweatherbutthebigrainonmyarrivalgavemethefirstexpectationofwhattheweatherheremightbelike.Californiaisknownforhavingagreatclimate﹣moresunshinecoolerinsummerandwarmerinwinter.3HoweverhavingbeenhereforaprettylongwhilenowIhaveexperiencedvariousformsofclimateinCalifornia.4MostofthetimeIwaslivinginSiliconValleywheretheweatherisabitcolderthanwhereIstudyinOrangeCounty.ButIwasreallysurprisedtofindchill﹣to﹣the﹣boneweatherinSanFrancisco﹣abigshiftfromSiliconValleyinonlyaboutanhour'sdrive.Howstrange!5TheworstisthatIgetnrunnynosewheneverIwakeupinthemorning.BecauseIamallergictothecoldandwindyweathersIkeepsneezingbadlyandevenmorebadlyifIgetcaughtinthecold.IthinkthatmybodyneedsmoretimetogetusedtothisclimatebutasmanypeoplesaidIamluckiertobeinCaliforniawhereIdon'thavetofightwithextremeweathersasinotherstales.A.Iamsensitivetoweatherchange.B.Suchstrangeweatherhasaffectedmyhealth.C.Sotheamountofrainthisyearisconsideredunusual.D.LAXairportinCaliforniawelcomedmewithabigrain.E.SoIquicklygetusedlotheunchangeableclimateinCalifornia.F.Theweathervarieswidelydependingonwhereyouareinthestate.G.SincethenIhavediscoveredtonsofdilemmasaboutlifeinAmerica.
6分ABriefIntroductiontoSomeDictionariesNormanMerriamWebsterBES﹣1850DictionaryThishandytranslatorprovidesyouwith5000000totaltranslationtoandfromSpanishandEnglish!Thisdictionaryisspeciallydesignedforalllevelsoflanguageskillfrombeginnertoadvanced.BrandV7Dictionary/TranslatorThisspecialmodelfeaturesthelargestandmostcompleteRussian﹣Englishdictionary.AdvancedEnglishspeechaccentcorrectionfunctionandspecializedtermsdatabasewillhelpyoucommunicate.Businessorganizerswillallowyoutostayintouchwiththeworldthroughallkindsofadvancedfeatures.SeikoWP1500RogetsIIIThesaurusDictionaryItisthenearestwordfinder.Itisalsogreatforcrosswordpuzzles.Itwillshowyouthetimedayanddateoflocaltimezoneandthesameforover100citiesthroughouttheworldbysimplyenteringthefirstletterofthenameofthecity.EctacoKD﹣800Dictionary/TranslatorThisadvancedtalkinghandheldtranslatorfeaturesthefollowingdictionaries:thegeneralEnglish﹣Koreandictionaryfor215905entries词条;popularKorean﹣Englishdictionaryfor183279entriesandthedictionaryofChinesetraditionalcharactersfor7744entries.TheLingoTraveler18ItisagreatvalueaswellasanInternationaltranslator.Drawonover96000wordsand8000usefulphrases.EquippedwithapowerfuldatabankTheLingoTraveler18allowsyoutostoreallofyourappointmentstelephonenumbersandaddresses.1.WhichdictionarycanBetty'smotherbuytohelpherdaughterimproveherSpanish?A.NormanMerriamWebsterBES﹣1850DictionaryB.EctacoKD﹣800Dictionary/TranslatorC.SeikoWP1500RogetsIIIThesaurusDictionaryD.BrandV7Dictionary/Translator2.WhatisthefunctionofTheLingoTraveler18?A.Itprovidesyouwith96000phrasesand8000words.B.Itshowsyouthetimedayanddateoflocaltimezoneover100cities.C.Youcanstoreyourappointmentstelephonenumbersandaddressesinit.D.Itwillallowyoutostayintouchwiththeworldthroughallkindsofadvancedfeatures.3.Whatcanwelearnaboutthedictionariesfromthetext?A.TheLingoTraveler18isapopularKorean﹣EnglishandChinesedictionary.B.NormanMerriamWebsterBES﹣1850Dictionaryisthenearestwordfinder.C.EctacoKD﹣800Dictionary/Translatorisdesignedforalllevelsoflanguageskill.D.BrandV7Dictionary/TranslatoristhemostcompleteRussian﹣Englishdictionary.
15分FromthefirstdayIarrivedinKunmingIhadmyunderstandingofChina1change.Farfrombeingnarrow﹣mindedandhostileto2foreignpeoplecameuptotalktomethefirsttimeIwentoutonthestreet.IthappenedtobeallinChinesesoIdidn'tunderstandmuch3itdidcausemetorethinkmyassumptions.AsmyChineseimprovedthiscontinuedthroughoutmystayfrommylandlordintroducingmetopeoplewhocouldhelpuslearnChineseto4gettoknowthecouplewhorananoodlerestaurantnearby.Ifyou'reinterestedinotherpeopletheircultureandtheirlanguagethey'llbe5friendtoyou.Chinaisn't6exception.Don'tjudgeacountrybyitsmediacoverage7especialsomeWesternmediawhichhavemuchprejudice.IsawaverydifferentkindofChinawithmyowneyes.Kunming8Ilivedformostofmystaywasn'tmuchpolluted.IhadfrankconversationswithChinesepeopleaboutalmosteverything.StillChina9developbuttheeconomicgrowthmeansthatmostpeople10seetheirlivingstandardsimproverapidlyinthelast20years.PeopleIspokewithweregenerallyoptimisticaboutthefuture.
下列说法正确的是
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8分InareasliketheCentralUnitedStatesthatgetlotsoftornadoesthere′sacommonpieceofcelestial天上的fortune﹣tellingthatgreenskiesmeanatornadoisonitsway.Researchhasshownthatitisn′tquiteassimpleasthatbutscientistshavefoundthatifyouseeagreenskyyoushouldprobablygoinside.Asfarasmostscientistscantellthegreenskiesaroundpowerfulthunderstormsareusuallyacombinationofredsunsetsandwaterdroplets.Daytimeskiesarebluebecauseblueshorterwavelengthsofvisiblelighttendtobounceoff反射airmoleculesbetterthanredlongerwavelengthlight.Sothebluelightgetsbouncedallovertheskyandlookslikeit'scomingfromeverywhere.Meanwhilearoundsunsetsunlighttravelsthroughsomuchatmospherethatjustaboutalltheblueisbouncedawayfromthehorizonleavingallthoseredsandorangesbehind.Thesunsetmightlookexclusively独有的redandorangebutthere'sstillsomegreenandevenbluelighthiddenintherejustfarlessthantheothercolors.Butforustonoticetheremaininggreenlightitneedstohitsomethingthatreflectsgreenlightmuchbetterthanred.That'swherewatercomesin.Bigtallthreateningstormcloudsaremadeofwaterdropletsandeventhoughwaterisbestatreflectingbluelightitcanstillreflectgreenprettywellmuchbetterthanredsandorangessounderjusttherightconditionsthewaterinandaroundacloudcanbouncethegreenlighthiddeninthesunsetrightintooureyesmakingtheskylookgreen.Stillnoneoftheconditionsthatcanturnskiesgreenareuniquetothecloudsthatproducetornadoes.Sometimestheyjustleadtolotsofrainandmaybesomehail.Soifyouseehugestormcloudsrollinginandagreentint色调intheskyitdoesn'tnecessarilymeanthere′sabouttobeatornadobutitdoesmeanyoushouldprobablyheadindoors.1.Whatcanbethebesttitleforthetext?A.WhyDotheCentralUnitedStatesGetTornadoesB.DoGreenSkiesMeanaComingTornadoC.ACommonPieceofCelestialFortune﹣tellingD.GreenSkiesAreUniquetoClouds2.Whyaretheskiesblueinthedaytime?A.Becauseonlybluelightcanbebouncedinthedaytime.B.Becausethereismorebluelightthanlightofothercolors.C.Becausebluelightisbouncedalloverthesky.D.Becauseredlightisweakerthanbluelight.3.Whatdoestheunderlinedword'it'inparagraph2referto?A.Thesunset.B.Redlight.C.Bluelight.D.Water.4.Whatcanwelearnaboutfromthetext?A.Stormcloudsaremadeofwaterdropletsandgreenlight.B.Watercanreflectredlightaswellasbluelight.C.Thereareonlyredandorangelightsinthesunsets.D.Ifyouseeagreenskytherewillbeatornado.
同质量的下列气体中所含原子数最少的是
10分Tippingispartofeverydaylifeinmanypartsoftheworld.It'susuallyaninformalchargethat'spaidontopofthebilltoshowappreciationtothepersonwhohasprovidedyouaservice.Tippingculturecanvaryfromplacetoplace.IntheMiddleEastpeoplewhoserveusuallytrytobemorehelpful.1.AnexampleisthetourguidesofEgypt.WhenatouristgoesaroundafamoussiteinEgyptlikethepyramidsthey′11oftenbeaccompaniedbyaveryqualifiedtourguide.Thankstotheguideatouristwillcertainlyknowmoreaboutthepyramidsthanheorshedidatthestart.2.Insomeplacestippingdoesn'texistatall.Tipsaren'tpartoflifeinChinaSouthKoreaorJapan.ButinotherplacesinAsianotleavingatipcanleadtotrouble.AnAmericantravelagenttoldCondeNastTravelerthatinIndiaforexampleapersonwhodoesn'tleaveatipafteramealinarestaurantwilloftenbechaseddownthestreet.3hesaid.Manypeopleonlygivetipsonasubjective主观的basis.Butit'sthissubjectiveaspecttotippingthatcancauseproblems.Ontheonehandtheydon'twanttobemean;ontheotherhandtheydon'twanttopaytoomuchandfeelthatthey'vebeencheated.4.Acommonsolutionforthisproblemistoofferaguidelineonthecheck.5.Thiscanpreventtheawkwardnesswhenit'stimetopayup.A.TipsarethengiventoappreciatetheexpertiseoftheguideB.IfyoutipbadlypeoplethinklessofyouC.They'llrunafteryouandscreamformoneyD.ItwillsuggestthatacertainpercentageofthebillshouldbepaidontopasatipE.VeryoftenpeoplewhotraveltotheUnitedStatesforgettotipF.Afterallatipisn'tpartofthebillG.Buttheymayexpectalittleextrainreturn
下列物质中可用来干燥NH3的是
在元素周期表中金属元素与非金属元素分界线附近能找到
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25分假设你是李华你的美国老师MissMorgan要求你们明天下午去听一个美国历史的讲座你因故不能参加.请你根据以下要点写一封短信向MissMorgan请假. 内容要点:1表示歉意 2理由:去机场接从法国回来的舅舅 3询问:是否有录音以便补听讲座 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. MissMorgan Yourssincerely LiHua.
25分假定你是学校动物保护协会志愿者李华你校留学生Mike对动物保护很热心来信咨询你们协会的日常工作内容和报名条件.请你写一封回信内容包括: 1.工作内容:进社区宣传;照顾流浪动物等; 2.志愿者要求:有爱心时间灵活; 3.报名方式. 注意: 1.词数100左右; 2.可适当增加细节以使行文连贯. 3.参考词汇:动物保护协会一AnimalProtectionAssociation;流浪动物一strayanimals DearMike Yours LiHua
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6分EmiliaDobektracesherinterestinspaceandtheuniversebacktothirdgradewhensheandherfatherwatchedabloodmoon﹣﹣﹣atotallunareclipse月蚀﹣﹣﹣ontheroofoftheirhouse.Nowaseventh﹣graderatEastPrairieElementarySchoolDobekrecentlywonthenationalDiscoveryEducationLockheed﹣MartinBeyondChallengebydesigningaspacestationfortravellingtoMars.Shesaysthatnightwatchingthelunareclipsestartedastrongdesireinherthathasyettorunoutoffuel.SowhenherteacherAndreaSmeetonreceivedinformationaboutthenationalchallengeSmeetonsaidsheimmediatelyhadonestudentinmind.'Iknewshewouldlovethechallengeandthatshewouldgowaybeyondinhersearch'Smeetonsaid.'Sheimmediatelystartedresearchingbonedensity密度ofastronautsandhowtohavefoodonMars.''Mydesignwillensurethesafetyoftheastronautsbutalsomakesuretheircomfortisoutofthisworld'Dobeksays.Dobek'sdesigncallsforbuildingtheMSSorMarsStorageStationtoputthesuppliesin.ItalsoincludestheSGForSelf﹣CrowingFarmandshedetailshowitwouldworkwiththeelementsonMars.ThenthereisphysicalandleisureactivityfortheastronautsunderDobek'sdesign.Asimulation模拟装置allowsastronautstochoosetheirexercisemachineandvirtual虚拟的realityenvironment.RoomshavecircularceilingssoastronautswillbeabletowatchdownloadedshowsandevenseeplacesonEarthsuchastheirhomes.'Iwanttotellotherkidstofollowtheirpassions.'Dobeksaid.'Whatevertheywanttodotheyshouldpushforitandalwaystrytheirbest.'1.Dobekfirstbecameinterestedinapacewhen.A.shewasstillaseventh﹣graderB.shestudiedatajuniorhighschoolC.shelivedonthetopoftheirhouseD.shewatchedaneclipseofthemoon2.SmeetonrecommendedthatDobektakethechallengebecause.A.sheknewDobeklikedchallengesinlifeB.shehadnootherstudentsinterestedinMarsC.DobekknewhowtoresearchbonedensityofastronautsD.shewassurethatDobekwouldhaveoutstandingperformance3.WhatdoesDobekfocusonwhendesigningthespacestation?A.TheenvironmentonMars.B.Thesafetyofthesupplies.C.Theactivitiesforastronauts.D.Thecomfortoftheastronauts.
X﹣的核外电子排布为288则X元素在周期表中的位置是
镭是周期表中第7周期的IIA族元素下列关于镭的性质的描述中不正确的是
陶瓷是火与土的结晶是中华文明的象征之一其形成性质与化学有着密切的关系.下列说法错误的是
下列物质属于碱的是
下列仪器在使用中不能加热的是
Onedayalltheemployeesofaveryfamouscompanyreachedtheirofficeandallsawabigsignonthemaindoorwhichsaidthis Yesterdaythe1whohasbeenhindering阻碍yourgrowthinthiscompany2.Weinviteyoutojointhefuneralintheroomthathasbeen3inthegym. Inthebeginningtheyallgot4forthedeathofoneoftheircolleaguesbutafterawhiletheystartedgetting5toknowwhowasthatpersonthathinderedthe6oftheircolleaguesandthecompanyitself. The7inthegymwassuchthatsecurityagentswereorderedtocontrolthecrowd8theroom.Themorepeople9thecoffin棺材themoretheexcitementheatedup.Everyonethought10isitthatwasholdingmeback? Onebyonetheintrigued好奇的employeesgotclosertothecoffinandwhentheylookedinsideitthey11becamespeechless. Theyallgottostandnearthecoffinandfeltshockedand12asifsomeonehadtouchedthedeepestpartoftheir13.Therewasamirrorinsidethecoffineveryonewho14itcouldseethemselves!Therewasalsoasignnexttothemirrorthat15 Thereisonlyonepersonwhoiscapableofsetting16toyourgrowthandITISYOU!Yourlifedoesnot17whenyourbosschangeswhenyourfriendschangewhenyourparentschangewhenyourhusbandorwifechanges… NoyourlifechangeswhenYOUchangewhenyou18yourlimitingbeliefsinside. Examineyourselfwatchyourself.Don'tbeafraidof19impossibilitiesandlosses.Beawinnerbuildyourselfandyourreality.Rememberit'sthewayyoufacelifeitselfthatmakesthe20. 1A.person B.boss C.sign D.funeral 2A.diedaway B.diedout C.passedaway D.passedout 3A.protected B.prevented C.proved D.prepared 4A.happy B.sad C.joyful D.grateful 5A.calm B.curious C.conscious D.convenient 6A.growth B.width C.faith D.strength 7A.way B.meaning C.excitement D.disappointment 8A.within B.without C.about D.around 9A.bought B.sold C.reached D.touched 10A.What B.Which C.Where D.Who 11A.carefully B.actually C.suddenly D.madly 12A.insilence B.inreturn C.inneed D.inorder 13A.hand B.soul C.mouth D.face 14A.putoutside B.putinside C.1ookedoutside D.1ookedinside 15A.talked B.spoke C.said D.told 16A.deadlines B.demands C.1imits D.1acks 17A.continue B.cancel C.accelerate D.change 18A.gobeyond B.gotogether C.gowithout D.gotowards 19A.acquaintances B.difficulties C.advantages D.bargains 20A.profit B.wealth C.difference D.fortune
Ratsthateathighlevelsofanaturalsugarknownasfructose果糖seemtoagefasterthanotherrats﹣andthesamecouldbetrueforpeoplewhoeattoomuchsweetjunkfoodIsraeliresearcherssaidMonday. Fructosefoundnaturallyinhoneyandfruitisusedwidelyinfoodsrangingfromsoftdrinkstoyogurt.Butwhileitssweettasteispopularthesugarcouldcausewrinklestheresearcherssaid.Dr.MosheWermanandBoazLevioftheTechnion﹣IsraelInstituteofTechnologyfedlargeamountsoffructosetolaboratoryrats.WritingintheJournalofNutritiontheysaidthefructose﹣fedratsshowedchangesinthecollagen胶原蛋白oftheirskinandbones.Collagenbasicallyholdsthebodytogether.Thelossofcollageniswhatcauseslooseskinanddeepwrinklesinolderpeople TheprocessaffectedWerman'steamsaidisknownascross﹣linking交叉相连.Toomuchcross﹣linkingmakestheskinstiffandthesearetheconditionsthatencouragewrinkledskinWermansaidinastatement.Hesaidthesamecouldbetrueofpeoplealthoughthishasnotbeenshown.AmericansareeatingmoreandmoreprocessedfoodssuchasbakedgoodscannedfruitsjamsanddairyproductsthatcontainfructoseWermansaid.Otherstudieshaveshownthattakinginhighfructosemaycausediabetes糖尿病. TheratsWermanworkedwithwerefedmuchmorethantheaverageadultpersonmighteatinadaywhichisstandardinsuchexperiments.Theratswerefed12.5gramsoffructoseperkgofweighteverydayforayear. 1In'theexperimentsifaratwas0.25kgitmayhavebeenfedaboutgramsoffructoseeverydayforayear. A.3 B.4 C.5 D.6 2Whydoolderpeoplehavedeepwrinklesaccordingtothepassage? A.Theydon'tdrinkenoughwatereveryday. B.Theydon'ttakeenoughexerciseeveryday. C.Collagenintheirbodyislost. D.Theirdailyfoodsdonotcontainenoughfructose. 3Whatcanwelearnfromthepassage? A.Thefructose﹣fedratsonlyshowedchangesinthecollagenoftheirskin. B.Toomuchcross﹣linkingmakestheskinsoft. C.Theamountofsugartheratsatewaslargerthananordinaryadultmighteatinaday. D.Ithasn'tbeenshownthattakinginhighfructosemaycausediabetes. 4Thebesttitleforthepassageshouldbe. A.Sugar﹣itcouldreducecollagen B.Collagen﹣itcouldageyou C.Collagen﹣itcouldcausewrinkles D.Sugar﹣itcouldageyou
2molAl的质量为
下列化学用语不正确的是
InBritainandothercountriesyoungpeoplesometimestakeagapyearayearoffbetweenhighschoolandcollegeThisideanevergainedabigfollowinginAmericaRecentnewsreportshavesuggestedthatinterestmaybegrowingthoughtherearenoofficialnumbers. CharlesDeaconDeanofAdmissionsatGeorgetownUniversityinWashingtonD.C.estimatesthatinthecurrentfirst﹣yearclassof1600studentsonlyabout25decidedtotakeayearoff.Hesaysthisnumberhasnotchangedmuchovertheyears. Mr.Deaconsaysthemostcommonreasonfortakingagapyearistohaveachancetotravelbuthesaysinternationalstudentsmaytakeagapyeartomeetrequirementsathomeformilitaryduty. Somehighschoolgraduatesseeayearoffasachancetorecoveraftertwelveyearsofrequirededucationbutitcanalsogivestudentsachancetoexploretheirinterests.Studentshopingtobedoctorsforexamplecouldlearnabouttheprofessionbyvolunteeringinahospital. Manycollegesanduniversitiessupportgap﹣yearprojectsbypermittingstudentstodelaytheiradmission.Expertssaystudentscangrowemotionallyandintellectuallyastheyworkatsomethingtheyenjoy. TheHarvardadmissionsofficehasanessayonitswebsitecalledTimeOutorBurnOutfortheNextGeneration.Itpraisestheideaoftakingtimeoff.tostepbackthinkandenjoygaininglifeexperiencesoutsidethepressureofstudies.ItalsonotesthatstudentsaresometimesadmittedtoHarvardorothercollegespartlybecausetheydidsomethingunusualwiththattime. OfcourseagapyearisnotforeveryoneStudentsmightmisstheirfriendswhogoondirectlytocollege.Andparentsmightworrythattheirchildrenwilldecidenottogotocollegeoncetheytaketimeoff.Anotherconcernismoney.Ayearoffawayfromhomecanbecostly. HollyBull'sjobistospecializeinhelpingstudentsplantheirgapyear¨.Shenotesthatseveralbookshavebeenwrittenaboutthissubject.ShesaysthesebooksalongwithmediaattentionandtheavailabilityofinformationontheInternethaveincreasedinterestintheideaofayearoffandshepointsoutthatmanygap﹣yearprogramscostfarlessthanayearofcollege. 1Whatisthepassagemainlyabout? A.MoreandmoreAmericanstudentsarechoosingtotakeayearoff. B.IfyouwanttogotoanAmericanuniversitytakeagapyearfirst. C.ItislikelythattakingagapyearisbecomingpopularinAmerica D.Americansholddifferentopinionstowardsstudents'takingagapyear. 2Howmanyreasonsforstudents'takingagapyeararementionedinthepassage? A.2 B.3 C.4 D.5 3TheessayTimeOutorBurnOutfortheNextGenerationsuggeststhat. A.everystudentmusttakeagapyearbeforeapplyingforafamousuniversity B.somefamousuniversitiesencouragestudentstogainmorelifeexperiences C.takingagapyearcanmakestudentsfreefromlifelearning D.thestressofstudiesdoesharmtothestudents'health 4Whatcanwelearnfromthepassage? A.Booksandmediahavecontributedtothestudents'interestinschoollearning. B.CharlesDeacondoesn'tsupporttheideaofthestudents'takingagapyear. C.Parentsnightdisagreewiththeprogramconcernedabouttheirchildren'sfuture. D.Expertsagreetakingayearoffwillbenefitthestudentsemotionallyandphysically.
某无色透明的溶液中能大量共存的离子组是
8分RichasaKingWilliam1whoconqueredEnglandsome930yearsagohadwealthpowerandanarmy.YetalthoughWilliamwasveryrichbythestandardofhistimehehadnothinglikeaflushtoilet抽水马桶papertowelsorridinglawnmower除草机.Howdidhegetby?Historybooksarefilledwithwealthypeoplewhowerepoorcomparedtome.IhavestormwindowsCroesusdidnot.EntirenationstrembledbeforeAlexandertheGreatbuthecouldn'tbuycatfood.CzarNicholaslackedanelectricsaw.GivenhowmuchbetteroffIamthansomanyfamousdeadpeopleyou'dthinkI'dbecontent.ThetroubleisthatlikemostpeopleIcomparemywealthwiththatoflivingperson:neighborsschoolclassmatesfamousTVpeople.ThegreedIfeeltowardmyfriendHoward'snewkitchenisnotreducedbythefactthatnokingseverhadarefrigeratorwithglassdoorsThereisreallynorisingorfallingstandardofliving.Overthecenturiespeoplesimplyfinddifferentthingstofeelsadabout.You'dthinkthatsimplynothavingdiseasewouldputusinagoodmoodbutnowewantahotbathtoo.Ofcourseonewaytoachievehappinesswouldbetorealizethatevenbytoday'sstandardsthethingsIownareprettynice.MyhouseissmallerthanthehousesofmanyinvestmentbankersbutevensoithasalotmoreroomsthanmywifeandIcankeepclean.Besidestopeoplelookingbackatourerafromacenturyortwointhefuturethesebankers'fancycountertopsandmyawnwornFormicawillseemequallyshabbyIcan'tkeepupwithmyneighborsrightnow.Butjustwait.1.Whatdocstheunderlinedphrase'getby'inthefirstparagraphmean?A.Succeedasaking.B.Dealwithcomplains.C.Getsomeextramoney.D.Liveinasatisfactoryway.2.Howmanyhistoricalfiguresarementionedtocomparelivesinthepastandpresent?A.3.B.4.C.5.D.6.3.Accordingtothepassagetheauthorintendsto.A.tellustobecontentwithlifeB.warnustoliveinasimplewayC.leachustolearnlessonsfromlifeD.encourageuslostruggleforwealth4.What'stheauthor'sattitudetowardslife?A.Doubtful.B.Optimistic.C.Uncaring.D.Cautions.
30分BeingjoblessforthelastthreemonthsIamupsetnowadays.Mysonhaslosthis1fromagoodschoolandhemighthavetogotoalessqualifiedschool.Ihavemovedfromaspacious宽敞的apartmenttoasmalloneinorderto2mylivingexpenses.Mywifehasbuiltextrastress.Ontopofthatmyfatherin﹣law3aweekagowhichhasaddedfueltofire4ourfamilyintoamoreterriblestate.InthesecircumstancesIhavetwomental5:eithertofeelupsetandkeeplosingmypeaceofmindor6mynegativethoughtswithsupermentalpowersaboutself﹣confidenceandconsistencyand7applyingfornewjobswithpositiveattitude.IchoosethesecondoptionbecauseIbelievethatthepainIam8todaywillbuildupmy9.Mystrengthswillthenincreasesmyconfidenceandmakemeagoodtimesmakemea10manoneday.Iunderstandthatgoodandbadstagesarepartof11.Whilegoodtimesmakemehappybadtimes12the‘inner'me.Twomonthslater13Ihavefinallylandedonajobwhichisveryexcitingandoffersanicesalary.Timehashealedmywife'smentalstress14thedeathofherfather.Mysonhasalreadybeenacceptedbyanothergoodschoolbecausetheadmissionsfornewacademicyearwerestill15!AsIambackonthetrackofnormallifeIcan16saythatthemostimportantthingsthathelpedme17thecrisis危机weremyconsistentcharacterofpatienceand18attitudetowardslife.SowhileIwishyouallthebestlifecan19youIwouldhighlyrecommendtakingthesameattitudetowardslife20youaretrappedinanyofsuchsituations.1.A.admission B.benefit C.diploma D.permission2.A.share B.reduce C.break D.raise3.A.showedup B.setoff C.felldown D.passedaway4.A.putting B.finding C.forming D.lifting5.A.problems B.concerns C.choices D.activities6.A.link B.replace C.mix D.exchange7.A.regret B.stop C.keep D.risk8.A.practicing B.suffering C.producing D.relieving9.A.intelligence B.body C.character D.reputation10.A.carful B.hard﹣working C.easy﹣going D.successful11.A.life B.wealth C.time D.health12.A.hide B.destroy C.strengthen D.kill13.A.desperately B.unwillingly C.hopefully D.fortunately14.A.regardlessof B.dueto C.insteadof D.apartfrom15.A.occupied B.empty C.open D.closed16.A.disappointedly B.surprisedly C.deliberately D.confidently17.A.fight B.meet C.change D.delay18.A.general B.positive C.friendly D.honest19.A.offer B.expect C.manage D.send20.A.asif B.inthat C.nowthat D.incase
15分RecentlyanIndianfilm'HindiMedium'hasmade1hit!Ittoldastorythatacouplesparednoeffort2givetheirdaughterthe3goodeducationandfinallyshewasacceptedbytheeliteofDelhi.ActuallythisphenomenoncanalsobeseeninChina.Todaymoreandmoreparentsadopttheideaof''personalqualityeducation'andcommittoencouragingtheirchildrentocultivateavarietyofinterestsoutsidethe4traditionclassroomactivitieslikeplayingtheviolinrobotprogrammingandsoon.Butparticipating5toomanyextracurricularactivitiesdoesdeprivethechildrenoftheirplaytime.It6pointoutthatmoreChineseparentsneedtorealizethatthehand﹣holdingmentalityisoverwhelmingtheirchildren.Theyhavetoloosentheircontrolgivethekidstimeof7theyownandletthemtaketheinitiative.Todayparentsworry8endlessaboutpreparingthekidsfortherealworldabattlefieldwhereeveryonemustarmthemselvesforafight.Butthereisnodenying9thebesttimesinlifearethose10stealmomentswespendwithothers﹣anidleafternoonwithabelovedcompanionacupofteawithanoldfriendorasimplegameoftagwithclassmatesafterschool.
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