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物质是变化的，下列物质在一定条件下不能实现一步转化的是（ ）
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在一定条件下下列物质间的转化能一步实现的是①Fe→Fe3O4②S→SO3③CuCl2→Cu④CH4→
①②③
①②④
①③④
②③④
如图下列各组变化中每一步转化在一定条件下均能一步实现的是
①②
①③
②③
①②③
下列各组变化中每一转化在一定条件下均能一步实现的是
①②
①③
②③
①②③
下列各组变化中每个转化在一定条件下均能一步实现的是图G.4－2
①④
①②④
①③④
①②③④
下列各组变化中每一转化在一定条件下均能一步实现的是
①②
②③
①③
①②③
下列各组变化中每一转化在一定条件下均能一步实现的是
①②
②③
①③
①②③
下列各组变化中每一转化在一定条件下均能一步实现的是
①②
②③
①③
①②③
在一定条件下下列物质间的转化能通过一步反应实现的是①甲烷→炭黑②熟石灰→烧碱③蛋白质→氨基酸④硫→三
②⑤
①②⑤
①②③⑤
①②③④⑤
下列各组物质中满足表中图示物质在一定条件下能一步转化的组合有
②③
①③④
①④
①②③
下列各组物质中满足表中图示物质在一定条件下一步转化关系的组合有
①②③
①③④
②③
②③④
在下列各组物质的转化中均能在一定条件下一步实现的组合是
①②
①③
②③
①②③
如下图各组变化中物质的转化在一定条件下不能一步实现的是
下列物质的转化在给定条件下不能实现的是
①②③
②③④
②③⑤
①④⑤
下列各组变化中每一转化在一定条件下均能一步实现的是①②③
①②
②③
①③
①②③
下列各组变化中每个转化在一定条件下均能一步实现的是
①②
①③
②③
①②③
在一定条件下下列物质的转化一步不能实现的是
Fe——Fe
3
O
4
Fe
2
O
3
——Fe
CO
2
—— CO
H
2
O
2
——CO
2
在一定条件下下列物质间的转化通过一步反应就能实现的是①石蜡→炭黑②CO2→CO③Fe2O3→FeCl
①②④
②③④
①②③
①③④
下列各物质的变化中每一转化在一定条件下均能一步实现的是
①③
①③④
②③④
①②③④
下列各组变化中每个转化在一定条件下均能一步实现的是
①②
①③
②③
①②③
下列各组物质的转化中一定条件下均能一步实现的组合是
①②③
①②④
②③④
①③④
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15分第二节语法填空阅读下面短文在空白处填入1个适当单词或括号内单词的正确形式. Nowadaysmoreandmorepost﹣90sgenerationwillentertheworkforce.Theyplace.oreemphasis61lookingforajobthattheyenjoymorethanotherfactors.Manyofthemhopetoestablisha62relaxrelationshipamongworkers.Morethanhalfof63prefertheeasy﹣goingandgood﹣temperedemployers.64surprise10percentofthewishtobefriendswiththeirbosses.ExpertssaythattheyarethegenerationoftheInternetera.Theyhaveastrong65awareofselfandhowtheyrelatetotheoutsideworld.GuoYun22isadigitalmediamajorfromBeijingUniversityofPostsandTelecommunications.Shesaysthatshewillnotmindworkinglonghoursbutpreferherboss66explainwhyshehastosuchastheurgencyofthetask.Ifeelgreatly67motivateinthiswaysheexplains.Theytendtocareagreatdealabouttheteamorthemanagementculture.Theyarealsomoreoutspokenabouttheirneedsandtheyarelikelytoopenly68communicationwiththeiremployers.Asaresultthey69admitsintomostbigcompaniesmoreeasily.Ithinkitistheirfranknessandenthusiasm70leavesadeepimpressionontheiremployers.
30分IhadjustarrivedinthisAsiancountryforaone﹣yearteachingposition.OnedayItookthesubwaytovisitsomeancientpalacesandtemplesinthedowntown.Thefollowingaccountofwhathappenedtomehastaughtmemuchaboutculture36. Sinceallthe37weretakenIstood.SuddenlyIfeltsomeonepullingonmybag.38Iprobablywasinsomeone'swayImovedoverslightly.Butinonequickmotion动作Ifeltmybagremovedfrommybackandinaflashitwas39.Iturnedaroundtoseewhothethiefwas.Ilookedatthepeoplestandingbehindmebutdidn'tseemybagoranyone40.MyheartsankandIbeganto41. Iglancedaroundthecaronlytofinddirectlyacrossfrommewasanelderlyladyandsittingonherlapwasmy42.Itriedtogetitbackfromherlap.ButasIbeganto43itupshequicklygrabbed抓住itbackandheldontoit.Ilookedaroundatthepeoplestandingbesidemeandthosesittingbesideherbutnoonetookany44ofthesituation.Tryingnottocauseaan45Itriedtonegotiatethroughgestures.IusedmyhandsasbestasIcouldbutshe46myrequestsformybagandpointedtomyback.Shepickedupmybagshowinghow47itwas.Ifinallybegantounderstand.Shewasholdingmybagto48me. Atthenextstopamiddle﹣agedwomangotonthecrowdedsubway.Anotherelderlywomansittingdowntookherbag49itonherlap.Theydidn'ttalk50thisolderwomanwasmorethanpleasedtositwiththisstranger'sbagonherlapthroughoutherjourney. AsthesubwaypulledintothemaindowntownstationandIwasgettingreadytogetoffthewoman51handedmebackmybag.But52Ihadachancetothankhershehaddisappearedintothecrowd. Sadlythisconsideratecustomwasmore53tomethanifIhadbeenrobbed.Everyonebackhomehadheardofbeingrobbed﹣thatwas54citybehavior﹣buthavingastrangerholdontosomeone'sbagoutof55inacityoftwelvemillionpeople﹣thatwastrulyunusual. 36.A.loss B.aim C.cause D.difference 37.A.cars B.seats C.buses D.stations 38.A.Deciding B.Assuming C.Admitting D.Expecting 39.A.broken B.emptied C.opened D.gone 40.A.suspicious B.nervous C.cautious D.dangerous 41.A.panic B.scream C.leave D.regret 42.A.book B.bag C.money D.map 43.A.pull B.bring C.check D.wrap 44.A.advantage B.charge C.notice D.photo 45.A.attack B.scene C.accident D.change 46.A.received B.handled C.considered D.ignored 47.A.small B.useful C.heavy D.special 48.A.remind B.tease C.help D.warn 49.A.dropping B.tapping C.closing D.setting 50.A.yet B.so C.or D.because 51.A.angrily B.gratefully C.anxiously D.gently 52.A.until B.once C.before D.while 53.A.amusing B.surprising C.annoying D.disappointing 54.A.usual B.harmful C.practical D.suitable 55.A.curiosity B.pity C.kindness D.desperation
8分IfithadnetbeenforFanJinshiandherteamthewordculturalheritageatDunhuangMogaoGrottoesinaremoteChinesedesertmighthavelongbeendestroyedbysandweatherorhumans. BornandraisedinShanghaiFanhasspenthalfacenturyfightinganuphillbattletopreservetheancientBuddhistwallpaintingsatDunhuanginNorthwestChina'sGansuprovinceThe1600﹣year﹣oldDunhuangMogaoGrottoesareahugecollectionofBuddhistart﹣﹣morethan2000Buddhafiguresand45000squaremetersofpaintingsspreadamong735caves.ItisChina'sfirstUNESCOWorldHeritageSite. ArchaeologistFanwassenttoDunhuangaftergraduatingfromPekingUnivereityin1963.WhileinDunhuangaremotevillageinthedesertthenFanlivedinanabandonedtemple.Atfirstshedidnotevendaretogoouttothetoiletatnight.ToprotectthetreasuresfromsandanddampnessFanandotherworkersputdoorsonthecavesplantedtreesandstartedmonitoringtemperatureandhumidity湿度inthecaves.Theyalsocontrolthenumberofvisitors. Inthelate1990swithtourismboomingnationwidesincenationalholidayswereextendedthelocalgovernmentplannedtogopublicwithDunhuangMogaoGrottoesbutfoundFanfirmlyintheirway.Theheritagewouldhavebeendestroyedifithadbeenlistedshesaid. Dunhuangacademyhasnowphotographedandcatalogedonlineallthesculpturesandpaintings.Despiteoureffortstominimizedamagewecan'tcompletelystopthemfrombeingeroded腐蚀.Butthedigitaldatabasewilllast. FanwasgratefulwhenherhusbandjoinedherinDunhuangin1986after19yearsofseparation.HertwosonsgrewupinShanghaiwiththeiraunt.Ihavenotbeenagoodmotherorwife.WithregardtomyfamilyI'mfullofguiltshesaid.Fan79retiredtwoyearsagoasthedirectorofDunhuangAcademybutcontinueshereffortsasanationalpoliticaladvisor. 28.Whichmeasuresdidn'tFanJinshitaketoprotectDunhuangMogaoGrottoes A.OpenedDunhuangMogaoGrottoestothepublicextensively. B.PlantedtreesandstoppedtheDunhuangMogaobeingeroded. C.Picturedandclassifiedallthesculpturesandpaintingsonline. D.Putdoorsonthecavesandmonitoredtemperatureandhumidity. 29.WhenwasFanseparatedfromherhusband A.In1963. B.In1967. C.In1986. D.Inthelate1990s. 30.Thepassageismainlyabout. A.thehistoryofDunhuangMogaoGrottoes B.theattractionsofDunhuangMogaoGrottoes C.Fan'sdevotiontopreservingDunhuangMogaoGrottoes D.theappealfortheprotectionofDunhuangMogaoGrottoes 31.WhatkindofpersondoyouthinkFanis A.considerateandeasy﹣going B.kindandintelligent C.humorousandsweet﹣tempered D.devotedandpersistent.
1分﹣WhynotusethecomputersJack ﹣Ourcomputersbyavirussotheengineerdisabledallofthem. A.attack B.hadattacked C.areattacked D.wereattacked
8分Andyrodeslowlyonhiswaytoschoolday﹣dreamingaboutthefishingtripthathisfatherhadpromisedhim.Hewassobusydreamingaboutallthefishhewouldcatchthathewasunawareofeverythingelsearoundhim. Herodealonguntilastrangesounddrewhimtothepresent.Hecametoastopandlookedcuriouslyuptotheheavens.Whathesawshockedandterrifiedhim.Ahugeswarmofbeesfilledtheskylikeablackcloudandthebuzzingmassseemedtobeheadingangrilytowardshim. WithnotimetowasteAndyspedoffintheoppositedirectionridingfuriously﹣butwithoutknowinghowtoescapetheswarm.Witharapidlybeatingheartandhislegspumpingfuriouslyhespeddowntheroughroad.Asthebeescamecloserhispanicincreased.Andyknewthathewassensitivetobeestings蜇.Thelaststinghadlandedhiminhospital﹣andthatwasonlyonebeesting!Hehadbeenforcedtostayinbedfortwowholedays.Suddenlyhisfather'swordscametohim.Whenyouareinatightsituationdon'tpanic.Useyourbrainandthinkyourwayoutofit. OnanearbyhillhecouldseesmokewavingslowlyskywardsfromthechimneyoftheNelsonfamilyhome.Beesdon'tlikesmokehethought.Theycouldn'tgetintothehouse.AndyracedtowardstheNelsonhousebutthebeesweregainingground.Andyknewhecouldnotreachthehouseintime.Heestimatedthatthebeeswouldcatchupwithhimsoon. SuddenlyoutofthecornerofhiseyeshespottedasmalldamusedbyMr.Nelsontoirrigatehisvegetablegarden.Offhisbikeandintothecoolwaterheliveddisappearingbelowthesurfaceandawayfromthesavageinsects.AfterholdinghisbreathforaslongashecouldAndycameupforairandnoticedthebeeshadgone.Dragginghimselfoutofthedamhestruggledupthehillyslopeandrangthedoorbell.Mrs.Nelsontookhiminsideandranghismother. You'llreallyneedthatfishingbreaktohelpyourecoverlaughedhismotherwithrelief.Thankgoodnessyoudidn'tpanic!ButAndydidnothearher.Hewasdreamingonceagainofthefishhewouldcatchtomorrow. 4.WhydidAndyfailtonoticetheswarmofbeesearlier A.Hewasridingtoschool. B.Hewaslisteningtoastrangesound. C.Hewasgoingfishingwithhisfather. D.Hewaslostinthethoughtofthefishingtrip. 5.WhichofthefollowingisNOTmentionedabouttheswarmofbeesinthepassage A.Theycrowdedlikeablackcloud. B.TheyshockedandterrifiedAndy. C.TheytriedtoattackAndyinamass. D.TheymadeAndystayinhospitalfortwodays. 6.HowdidAndyavoidthebeesintheend A.Herodeoffintheoppositedirection. B.HeaskedMr.Nelsonforhelp. C.Hehidhimselfunderthewater. D.HerushedintotheNelsonhouse. 7.WhichofthefollowingcanbestdescribeAndy'sescapefromthebees A.Nopainsnogains. B.Intimeofdangerone'smindworksfast. C.Oncebittentwiceshy. D.Wherethereisawillthereisaway.
30分TheculturesoftheEastandtheWestreallydistinguishfromeachotheralot.Thisisbecausetheculturesystemsaretwoseparatesystems21. TheoriginoftheeasternculturesismainlyfromtwocountriesChinaandIndia.Bothofthetwoculturesaregestated孕育by22.InChinathemotherriveristheYellowRiver23theIndianoneistheHinduRiver.Thesetwocultureswere24forseveralthousandyearsandformedtheirownstylesThenintheTangDynastyofChinatheChineseculture25wentoverseastoJapan26intotheJapanesesocietyand27theJapaneseculturenowadays.ThoughabitdifferentfromtheChineseoneit28tothesamesystem. Whenthetwomotherriversgavebirthtotheeasterncultureanotherfamousculturewas29ontheMesopotamianPlain美索不达米亚平原﹣theMesopotamianCivilization.ThiscivilizationlaterondevelopedintotheculturesofAncientGreeceandAncientRome.Andthesetwoarewell﹣knownasthe30oftheEuropeanculture.31theChineseculturetheEuropeanonealso32waters.WhenthecolonistsofEngland33inAmericatheirculturewentwiththemovertheAtlanticOcean.SotheAmericanculturedoesn't34fromtheEuropeanonealot. Atthesametimethe35ofthelanguagesystemsaddstotheculturaldifferences.IntheEastmostlanguagesbelongtothepictographic象形文字的languagewhiletheWesternlanguagesare36basedontheLatinsystemforexampletheoneI'musingtowritethispaper. Otherfactorslikehumanracedifference37countsaswell.However38thefardistanceandthesteepareasbetweentheEastandWestthetwoculturesseldom39untilrecentcenturies.40theygrewuptotallyintheirownwayswithalmostno﹣interference干扰fromtheother. 21.A.inall B.aboveall C.innocase D.onthewhole 22.A.rivers B.lakes C.mountains D.plains 23.A.or B.for C.while D.when 24.A.improved B.developed C.created D.protected 25.A.gradually B.naturally C.suddenly D.quietly 26.A.changed B.mixed C.decided D.forced 27.A.expanded B.interrupted C.shaped D.influenced 28.A.comes B.belongs C.amounts D.adds 29.A.carriedout B.givenout C.broughtup D.pickedup 30.A.base B.sign C.result D.content 31.A.With B.Like C.Via D.Except 32.A.crossed B.formed C.affected D.spread 33.A.wentup B.joinedup C.settleddown D.brokedown 34.A.differ B.suffer C.result D.come 35.A.feature B.development C.appearance D.distinction 36.A.simply B.mostly C.properly D.partly 37.A.count B.reduce C.last D.change 38.A.internsof B.incaseof C.dueto D.asto 39.A.communicate B.distinguish C.transform D.display 40.A.However B.Furthermore C.Meanwhile D.Therefore
如图已知ACAD是⊙O的两条割线AC与⊙O交于BC两点AD过圆心O且与⊙O交于ED两点OB平分∠AOC． 1求证△ACD∽△ABO 2过点E的切线交AC于F若EF∥OCOC＝3求EF的值．[提示+1﹣1＝1]
8分FoodpickedupjustafewsecondsafterbeingdroppedislesslikelytocontainbacteriathanifitisleftforlongerperiodsoftimeaccordingtothefindingsofresearchcarriedoutatAstonUniversity'sSchoolofLifeandHealthSciences.Thefindingssuggesttheremaybesomescientificbasisofthe5﹣secondrule﹣thebeliefaboutitbeingfinetoeatfoodthathasonlyhadcontactwiththefloorforfivesecondsorless.Althoughpeoplehavelongfollowedthe‘5﹣secondrule'untilnowitwasunclearwhetheritactuallyhelped. ThestudyundertakenbyfinalyearBiologystudentsandledbyAnthonyHiltonProfessorofMicrobiologyatAstonUniversitymonitoredthetransferofthecommonbacteriafromavarietyofindoorfloortypesascarpetcementfloortotoastpastabiscuitandastickysweetwhencontactwasmadefrom3to30seconds.Theresultsshowedthattimeisasignificantfactorinthetransferofbacteriafromafloorsurfacetoapieceoffoodandthetypeofflooringthefoodhasbeendroppedonhasaneffectwithbacterialeastlikelytotransferfromcarpetedsurfacesandmostlikelytotransferfromcementflooringsurfacestomoistfoodsmakingcontactformorethan5seconds.ProfessorHiltonsaidConsumingfooddroppedonthefloorstillcarriesaninfectionriskasitverymuchdependsonwhichbacteriaarepresentontheflooratthetime. TheAstonteamalsocarriedoutasurveyofthenumberofpeoplewhoemploythe‘five﹣secondrule'.Thesurveyshowedthat87%ofthepeoplesurveyedsaidtheywouldeatfooddroppedonthefloororalreadyhavedoneso.55%ofthosethatwouldorhaveeatenfooddroppedonthefloorarewomen.81%ofthewomenwhowouldeatfoodfromthefloorwouldfollowthe‘5﹣secondrule'.ProfessorHiltonaddedOurstudyshowedthatasurprisinglylargemajorityofpeoplearehappytoconsumedroppedfoodwithwomenthemostlikelytodoso.Buttheyarealsomorelikelytofollowthe‘5﹣secondrulewhichourresearchhasshowntobemuchthananoldwives'tale. 12.Accordingtothepassagewhichofthefollowingistrue A.Atoastdroppedonthecarpetiseasiertobepollutedthanthatdroppedonthecementfloor. B.Astickychocolatedroppedonthecarpetiseasiertobepollutedthanthatdroppedonthecementfloor. C.Thefooddroppedonthecarpetsharesthesamepotentialofbeingpollutedwiththefooddroppedonthecementfloor. D.Thefooddroppedonthecementfloorisnotassafeasfooddroppedonthecarpetwithin30seconds. 13.Whatisthepassageprobablydeveloped A.Contrast B.Example C.Time D.Space 14.HowdidProfessorHiltonfeelafteranalyzinghowmanypeoplechosetoeatdroppedfood A.Puzzled B.Upset C.Satisfied D.Astonished 15.Whatisthemainideaofthispassage A.Thefoodwhichisdroppedonthefloorcanbeeatensafely. B.Aresearchonthesafetyoffooddroppedonthefloorisundertaken. C.Thebacteriahavenonegativeeffectonthesafetyoffood. D.Peoplesurveyedintheresearcharewillingtoaccepttheidea.
8分Itisbelievedthatthesuccessofhumansasaspeciesdependstoalargeextentonourabilitytocooperateingroups.Muchmoresothananyotheranimalpeopleareabletocoordinateandjointheirforcesandactionstoproducemutual共同的benefits. NewresearchinvolvingDrLucasMollemananexpertattheUniversityofNottinghamsuggeststhatsuccessfulcooperationingroupsdependsonhowpeoplegatherinformationabouttheirpeersandhowtheybasetheircooperativedecisionsonit. BiologistswonderhowcooperationcouldhavedevelopedbynaturalselectionItispuzzlinghowcooperationcanbebeneficialwhenitispossibletobehaveselfishlyandtakeadvantageofthecooperativeeffortsofyourgroup.Psychologistsandeconomiststryhardtounderstandwhymanypeoplearewillingtosacrificetheirownwelfaretobenefittheirsocialenvironment. DrMollemanfromthecenterforDecisionResearchandExperimentalEconomicssaidThequestionthatourresearchtriestoansweris‘Howdopeoplemakedecisionswhentheiractionscanaffectthewelfareofothers'Morespecificallywewanttoknowhowpeopledeterminetheirbehaviorwhentheyhavetocooperateingroups.Inthesesituationsabeneficialoutcomeforthewholegroupcanbeachievedifeveryonecooperates.Individuallyhoweverpeoplemightbebetteroffbymakingselfishchoices.Itispossiblethatpeoplepaycloseattentiontotheirfellowgroupmateswhentheymakedecisions.Forinstancetheycooperateifothersalsocooperatebutactselfishlywhenothersdonotcooperate. DrPieterVanDenBergfromtheUniversityofGroningensaidFrompreviousresearchweknowthatsomepeopleare‘majority﹣oriented以多数人为方向的'andtendtolookatthebehaviorofthemajorityintheirgroupwhereasothersare‘success﹣oriented'andtrytofindoutwhatkindofbehaviorpaysoffbestforthemselves. DrMollemansaidItturnsoutthatbehavioringroupsofsuccess﹣orientedpeoplewasmuchmoreselfishthanitingroupsofmajority﹣orientedpeople.Asaconsequencethepeopleinthemajority﹣orientedgroupstendedtoearnmoremoneyintheexperimentsincetheycooperatedmore. 28.Accordingtothepassagewhatisspecialabouthumanbeing A.Theyarelikelytocommunicatewellwithothers. B.Theyarecapableofworkingtogetherwithothers. C.Theyarestrongtosurvivesomenaturaldisasters. D.Theyareeasytogetaccesstovariousinformation. 29.Whatdoestheunderlinedworditinparagraph2referto A.Research. B.Cooperation. C.Information. D.Group. 30.TheauthorwritesParagraph4to. A.letusknowhowpeoplemakecooperativedecisions B.showustheimportanceofcooperativedecisions C.tellushowtomakeotherpeoplecooperateinagroup D.remindusoftheadvantagesofcooperatingwitheachother 31.Fromthepassagewecaninferthat. A.peoplearemoreconcernedaboutwhichgrouptheyaresupposedtoselect B.theeffortsofsuccess﹣orientedpeoplearemorelikelytopayoff C.peoplemakeawisedecisionbasedonobservingothers'behaviorscarefully D.peopleperformdifferentlywhentheymakedecisions.
10分Unlessyouthinkyou'rethesmartestwhodoesn'twanttobesmarterOfcourseIwanttobesmartertoo.SoItrytofindoutwho'stherealsmartguythatmaybeIcanlearnfrom.36 ▲Theyprobablydosocialmedia.Notalwaysbutprobably.37Theyalsousethistoensuretheycanfeedtheirbrainswiththingstheyotherwisewouldn'thavecomeacross. ▲38Theyneverbothertheirheadabouttheproblemofwork﹣lifebalanceandsomehowmanagetoseem100%engagedinwhatthey'redoingonallfrontssimultaneously同时eventhoughyouknowthey'retakingappropriatestepsbehindthescenestomakesuretheirlivesarewellbalanced. ▲Theyknowtheyarethesmartestintheroombuttheydon'tspendmuchtimetalkingaboutthat.39Thatistheychallengethemselvestomakeeveryoneelseintheroomthesmartestpersontoo. ▲Theynevereverunderanycircumstancesmakeyoulookstupideventhoughitwouldbeeasytodoso.They'velearntthroughbitterexperiencethattheonlythingthathappenswhenyoumakesomeonelookbadisthatyoulookbadyourself. ▲Iftheyaremanagerstheywillmakeeveryefforttogetpeoplemoreconnectedandmorepopularthanthemintheirteams.40They'renotthreatenedbecausetheyknowthatsmartnessissynergistic相互促进的. A.It'snotonlyachancetolisten. B.Theyknowitisanadvantagetothem. C.Theytakeitasapersonalchallengeinstead. D.Theywillbesmilingevenwhenthingsgowrong. E.NowI'vegotanansweraboutwhethersomeone'ssmart. F.Theyalsoensuretheirsmartpeoplelooksmarterthanthem. G.Theydealwithhomeworkandpersonalinterestsperfectly.
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.错误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∧并在此符号下面写出该加的词. 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. Todayismymum'sbirthday.ThisafternoonIwenttothebiggestshoppingcenterdowntownandbuyapresentforher.ThenItookthesubwayhome.SittingonthetrainIthoughtmymumwouldveryhappywhenshesawthepresent.Atthenextstationanoldmanthatcarriedtwoheavybagsgotonthetrainbutstoodinfrontofme.Helookedtired.Ihesitatedforthemomentandthenofferedmyseattoher.Theoldmanthankedmealotofandsatdown.SeeinghissmileIfelthappily. FromthisexperienceIwillbereadytohelpingothersinthefuture.
九年级1班全班50名同学组成五个不同的兴趣爱好小组每人都参加且只能参加一个小组统计不完全人数如下表 已知前面两个小组的人数之比是15． 解答下列问题 1a+b＝． 2补全条形统计图 3若从第一组和第五组中任选两名同学求这两名同学是同一组的概率．用树状图或列表把所有可能都列出来
8分SheWalkedThroughFire OnThanksgivingweekendtheHeffelmirefamilygatheredforamealattheirhome.AfterdinnerthefamilywentdowntothefinishedbasementtorelaxexceptCharlotte'sfatherEricwhowasinthegaragetofixhistruck. Around8pmCharlottedecidedtocheckonherdad.Shewalkedthroughthekitchen.Whensheopenedthesidedoortothegarageblacksmokeroseupintothekitchen.Shecouldbarelymakeoutherfatherlyingonhisbacktrappedunderthetruck.He'dremovedthefrontpassenger﹣sidetyreandraisedthetruckonajack千斤顶.Thetruckhadslippedoffthejackandnowthewholeweightofthewheelwasonhischestandshoulders. Charlotterantothefrontofthetruckandstruggledtoliftit.EricwasstillconsciousandheyelledYougotit!Onemoretry!Shetriedagainandwasabletotipthetruckbackwardjustenoughforhertopullherdadbytheshirtwithbothhandsfromunderthetruck. Shedraggedhimacrossthegarageand20feetdownthedriveway.Thensheranbacktothegaragewhichhadburstintoflames.IwasafraidthecarwasgoingtoexplodesaysCharlottesosheclimbedintothetruckwhichfacedforwardturnedthekeyandpressedthegaspedal油门.Thecarslowlyrolledoutthemetalwheelscratchingloudlyagainsttheconcrete. SafelyonthedrivewayCharlottestoppedthetruckandranbacktothebasement.There'safire!Everybodygetout!sheyelledasshepickedupherthree﹣month﹣oldnieceandranout.Outsideshehandedthebabytohermomandthenranaroundtotheburninggarage.Shepickedupagardenhose水管andsprayedthefirewhilecalling911. Afewminuteslaterfirefightersandanambulancearrived.Charlottewastreatedforsecond﹣degreeburnsonbothherfeetandface.Herdadhadinjuriesonhischestandshouldersaswellasminorburnsonhisface.Thegarageandthehouseweredamagedbutthefamilysurvived. TheHeffelmiresarestayinginanapartmentwhiletheirhouseisrebuilt.Charlotteisaremarkablekidsaysherdad.CharlottehoweversimplysaysIwassavingmyfamilyandmyhouse.Iwasn'tgoingtoletmydaddie. 59.Ericgottrappedbecause. A.thekitchenwasonfire B.thewheelfelloffthetruck C.thefronttyrewasremoved D.thetruckslippedoffthejack 60.Whichofthefollowingisthecorrectorderoftheevents a.Charlottecalledthefirefighters. b.CharlottesavedEricfromunderthetruck. c.Charlottedrovethetruckoutofthegarage. d.Charlottewarnedthefamilytoleavethehouse. A.bcad B.abdc C.acbd D.bcda 61.Asaresultofthefire. A.thetruckexploded B.thehousewasnotfittolivein C.thethree﹣month﹣oldbabywasinjured D.Charlottewasburnedonherchestandshoulders 62.ItcanbeinferredfromthepassagethatCharlotteis. A.proudandclear﹣headed B.modestandeasy﹣going C.calmandquick﹣minded D.independentandself﹣centered.
10分 HowtoCreateaMindMap Mostofusthinkvisuallybutwewritetextually.36Italsomakestheinformationwelistmoredifficulttoprocessrememberandshare. 37Itcombinesthebrain'svisualnaturewithourtendencytowritedownwords.Weendupwithadiagramthatcombineslogicandorderinalessstructuredmanner.Thispromotesclearerthinkingandbettercomprehension.38 SohowdoyoucreateamindmapThemostbasicmethodistojustuseapenandpaperoramarkerandwhiteboard.Itbeginswithacentraltopicorideathenflowsoutward.39Thenextleveloftopicsisrepresentedbybranchesextendingfromit. Therearen'treallyanyrulesforcreatingmindmaps.Whilemostflowoutwardlyfromthecentraltopicsomeusersprefertobuildmindmapsinonedirection.40Thiscanmakegroupsofideaseasiertoidentifyandremember.Italsomakesamindmapmoreenjoyabletocreateanduse. Mindmapsareextremelyeffectivefortakingnotesplanningaprojectbrainstorminganideapresentinginformationtoothersandmanyotheruses.Takeoutyourpenandhaveatry. A.Theyhelptoclarifythinking B.Thisgoesagainsthowourmindsactuallywork C.Theyhelpussavetimebyfocusingonkeyissues D.Amindmapistheperfectanswertothisdilemma E.Thinkofitasatreewherethecentralpointisthetrunk F.It'salsoalotmoreenjoyablethansimplywritingdownlists G.Otherliketoaddcolorspicturesorsymbolsintheirmindmaps.
1分Weworrysomuchabouthim.Heisoldenoughtotakecareofhimselfatcollege. A.couldn't B.mustn't C.needn't D.daren't
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