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A﹣G是教案备课库常见物质其中A、B、C、D、E为五种不同类别的物质，A为红棕色固体，D为蓝色溶液，G的俗称为苏打．它们的转化关系如图所示（部分反应物、生成物及反应亲件已略去）．图中“﹣”表示两种物质...
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ABCD为教案备课库常见的物质且都含有同一种元素他们之间有如图所示的转化关系→表示一步反应生成部分物
以下叙述不属于教案备课库学习特点的是
教案备课库以"化学物质"为学习对象和学习内容
教案备课库的学习是基础性、启蒙性的
教案备课库的学习是以实验为基础的
教案备课库的学习以学生自学为主
ABCDE为教案备课库常见五种不同类别的物质它们之间的关系如图所示部分物质和反应条件已略去．ABC均
ABCDE为教案备课库常见五种不同类别的物质它们之间的关系如图所示部分物质和反应条件已略去．ABC均
A﹣E是教案备课库常见的五种不同类别的物质它们的转化关系如图所示部分物质和反应条件已经省略．A是目前
ABCD是教案备课库常见的不同类别的物质它们之间的反应或转化关系如图所示部分物质和反应条件已略去．→
已知A.B.C.D.E.为中常见的五种不同类别的物质其中A.为年产量最高的金属单质各种物质间的反应和
ABCDE分别代表教案备课库常见的五种物质且ABCD为四种不同类别的化合物教案备课库中常见的化合物类别
如图中的ABCDE均为教案备课库中常见的物质图中直线相连的物质间能发生化学反应各物质间发生的反应只属
A～E是教案备课库常见的五种不同类别的物质它们的转化关系如图部分物质和反应条件略去．A是目前世界年产
已知ABCDE为教案备课库中常见的五种不同类型的物质其中A为年产量最高的金属单质各种物质间的反应和转
A.～G.均为初中常见的化学物质→表示物质间的转化关系—表示两端的物质能发生化学反应其中A.F.是初
A.～G.均为初中常见的化学物质→表示物质间的转化关系—表示两端的物质能发生化学反应其中A.F.是初
图中A.B.C.D.E.F.G.是常见的物质其中A.为单质B.为氧化物C.是大理石的主要成分C.和F
已知A.B.C.D.E为中常见的五种不同类型的物质其中A为年产量最高的金属单质各种物质间的反应和转化
图中A.B.C.D.E.F.G.是常见的物质其中A.为单质B.为氧化物C.是大理石的主要成分C.和F
如图中ABCDEF是教案备课库中常见的物质且ABCDE是五种不同类别的物质已知A由两种元素组成B是生
已知A.B.C.D.E.为中常见的五种不同类别的物质其中A.为年产量最高的金属单质各种物质间的反应和
A～G是教案备课库常见物质它们有如图所示的相互关系图中﹣表示两端的物质能发生化学反应→表示物质间存在转
A～G是教案备课库常见物质它们有如图所示的相互关系图中﹣表示两端的物质能发生化学反应→表示物质间存在
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如图是木炭还原氧化铜反应的实验装置图下列说法正确的是
1分WasittheconferenceofAPECthatmadeShanghaithefocusoftheworld A.holding B.tohold C.havingbeenheld D.held
1分Chinesepeoplearehopefulfor2015willbringfortheirfamiliesandthecountry. A.how B.which C.what D.that
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12分Inthefutureairtravelcouldbe48expensivethankstoanewaircraftdesignwhichplanstoseatpassengersfacingeachotherinrows.Thedesignisintended49savespaceandmoney.HowardGuydirectoroftheUKcompanyDesignQsaidthedesigncouldseea50percentincreasein50numberofpassengersanda30percentreducedcostofaseat.51hedidadmitthattheseatswouldnotbecomfortableastraditionalones.Anotherdrawbacktotheseatingdesignis52foodcartswouldnotbeabletopassdowntheplane53theaisles走廊aretoonarrow.Sometravelershavedoubtsaboutthenewseatingwhile54supporttheidea.Soldiersareusedtotravelinginthatway55haveapositivereactiontotheideaGuysaid.
8分Forcenturiesmedicalpioneershaverefinedavarietyofmethodsandmedicinestotreatsicknessinjuryanddisabilityenablingpeopletolivelongerandhealthierlives.Asalamanderasmalllizard﹣likeanimalcangrowbackitsleg.Whycan'tahumandothesameaskedPeruvian﹣bornsurgeonDr.AnthonyAtalainarecentinterview.Thequestionareferencetoworkaimingtogrownewlimbsforwoundedsoldierscapturestheinventivespiritofregenerativemedicine.Thisinnovativefieldseekstoprovidepatientswithreplacementbodyparts.Thesepartsarenotmadeofsteel;theyaretherealthings﹣﹣﹣livingcellstissueandevenorgans.Regenerativemedicineisstillmostlyexperimentalwithclinicalapplicationslimitedtoproceduressuchasgrowingsheetsofskinonburnsandwounds.Oneofitsmostsignificantadvancestookplacein1999whenaresearchgroupatNorthCarolina'sWakeForestInstituteforRegenerativeMedicineconductedasuccessfulorganreplacementwithalaboratory﹣grownbladder.SincethentheteamledbyDr.Atalahascontinuedtogenerateavarietyofothertissuesandorgans一fromkidneystoears.Thefieldofregenerativemedicinebuildsonworkconductedintheearlytwentiethcenturywiththefirstsuccessfultransplantsofdonatedhumansofttissueandbone.Howeverdonororgansarenotalwaysthebestoption.Firstofalltheyareinshortsupplyandmanypeoplediewhilewaitingforanavailableorgan;intheUnitedStatesalonemorethan100000peoplearewaitingfororgantransplants.Secondlyapatient'sbodymayultimatelyrejectthetransplanteddonororgan.Anadvantageofregenerativemedicineisthatthetissuesaregrownfromapatient'sowncellsandwillnotberejectedbythebody'simmunesystem.Todayseverallabsareworkingtocreatebioartificialbodyparts.ScientistsatColumbiaandYaleUniversitieshavegrownajawboneandalung.AttheUniversityofMinnesotaDorisTaylorhascreatedabeatingbioartificialratheart.Dr.Atala'smedicalteamhasreportedlong﹣termsuccesswithbioengineeredbladdersimplantedintoyoungpatientswithspinabifidaabirthdefectthatinvolvestheincompletedevelopmentofthespinalcord.AndattheUniversityofMichiganH.DavidHumeshascreatedanartificialkidney.Sofarthekidneyprocedurehasonlybeenusedsuccessfullywithsheepbutthereishopethatonedaysimilarkidneywillbeimplantableinahumanpatient.Thecontinuingresearchofscientistssuchasthesemayeventuallymakedonororgansunnecessaryandasaresultsignificantlyincreaseindividuals'chancesofsurvival.62.InthelatestfieldofregenerativemedicinewhatarereplacementpartsmadeofA.Donatedcellstissuesandorgans.B.Rejectedcellstissuesandorgans.C.Cellstissuesandorgansofone'sown.D.Cellstissuesandorgansmadeofsteel.63.WhathavescientistsexperimentedsuccessfullyonforabioartificialkidneyA.Patients.B.Rats.C.Sheep.D.Soldiers.64.WhyisgenerativemedicineconsideredinnovativeA.Itwillprovidepatientswithreplacementsofttissues.B.Itwillstrengthenthehumanbody'simmunesystem.C.Itwillshortenthetimepatientswaitingforadonatedorgan.D.Itwillmakepatientslivelongerwithbioartificialorgans.65.Whatisthewriter'sattitudetowardsregenerativemedicineA.Positive.B.NegativeC.DoubtfulD.Reserved.
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10分Theemotionalbondachildsecureswithitsparentshasagreaterimpactonitseducationthanpreviouslythoughtareportsuggests.TheSuttonTruststudysayschildren'searlyattachmenttoparentshasfar﹣reachingconsequencesfortheirabilitytospeaklearnandthink.Parentswhoareinsecurethemselvesfindithardertoprovidechildrenwithsecurityitsays.Andthereportcallsformorehelpsoparentscandevelopsuchcrucialbonds.Thestudyfocusesontheapplicationofthetheoryofattachment﹣akeytheoryinchilddevelopmentandpsychology.Thissaysthedegreetowhichchildrenaresecureandresilientastheygrowupdependsontheirownearlyexperienceswiththeirmothersandfathersandhowtheyhavebonded. ThereportfromtheSuttonTrusteducationcharityentitledBabyBondsmakesthecasethatithasanimportantimpactonchildren'sfutureeducationalchancesaswellastheiremotionalwell﹣being.Itisbasedonananalysisofmorethan100studiesontheissueincludinghomevisitsandassessmentsandobservationsofchildreninarangeofcountries.Thetrustarguesthatalthoughpsychologistshavebeenawareofattachmenttheoryithasnotbeenseenbypolicymakersasakeyinfluenceoneducationalattainment.Anditasksthemtotakethisintoaccount.Thereportsayswhenbabiesandtoddlersdonotformthesestrongparentalbonds﹣knownassecureattachment﹣theyaremorelikelytoexhibitpoorlanguageandpoorbehaviorbeforetheyreachschool. Anditcitesinternationalstudieswhichsuggestthiscontinueslateintolifewithinsecurechildrenmorelikelytoleaveschoolearlyorduckoutofemploymentortraining.Theyarealsomorelikelytosufferfromaggressiondefianceandhyperactivitylaterinlife. TheSuttonTrustsaysitsanalysisoftheresearchsuggeststhatabout40%ofchildrenintheUKlackasecureattachmentwiththeirparents.LeadauthorSophieMoullinsaidthatwhenherteamlookedatlargescalerepresentativestudiesinanumberofcountriestheyallfoundfromtheirobservationsthatbetween38%and42%ofchildrensufferedfrompoorattachmentinallthedifferentstudylocations.Sheadded:Secureattachmentreallyhelpschildrenwithemotionalandsocialdevelopmentandatschoolitreallyhelpsthemtomanagetheirbehavior.Shoutinglookingoutofthewindowhittingeachother…Thesearethethingsthatteacherswilltellyouthatarestoppingchildrenfromlearning.It'sreallyonlyasweunderstandmoreaboutthesebehaviorproblemsthatwehavedecidedthatalotofitgoesbacktothisearlybondingwithparents. ResearchdirectoratthetrustConorRyansaid:Betterbondingbetweenparentsandbabiescouldleadtomoresocialmobilityasthereissuchaclearlinktoeducationbehaviorandfutureemployment.Theeducationaldivideemergesearlyinlifewitha19﹣monthschoolreadinessgapbetweenthemostandleastadvantagedchildrenbytheageoffive. Thisreportclearlyidentifiesthefundamentalrolesecureattachmentcouldhaveinnarrowingthatschoolreadinessgapandimprovingchildren'slifechances.Moresupportfromhealthvisitorschildren'scenterstogetherwithlocalauthoritiesinhelpingparentsimprovehowtheybondwithyoungchildrencouldplayaroleinnarrowingtheeducationgap.
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