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某蔬菜经销商去蔬菜生产基地批发某种蔬菜，已知这种蔬菜的批发量在20千克～60千克之间（含20千克和60千克）时，每千克批发价是5元；若超过60千克时，批发的这种蔬菜全部打八折，但批发总金额不得少于3...
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某蔬菜经销商到蔬菜种植基地采购一种蔬菜经销商一次性采购蔬菜的采购单价y元/千克与采购量x千克之间的函
某蔬菜经销商到蔬菜种植基地采购一种蔬菜经销商一次性采购蔬菜的采购单价y元/千克与采购量x千克之间的
蔬菜主攻方向
主抓基地建设，完善水利、道路设施配套，对蔬菜基础进行全面改造和综合整治，提高综合生产能力
夏季主抓大宗菜、秋季主抓高山反季菜、春季主抓沿江设施菜、冬季主抓冬闲田（土）间套轮作特色蔬菜，保障蔬菜生产季节供应调节
建立健全蔬菜产地批发市场和信息服务体系
完善蔬菜产业科技支撑体系，提高蔬菜单产水平。
近年来山东已经成为我国北方地区重要的蔬菜生产基地之一据下图及所学知识回答问题最近几年山东蔬菜基地的蔬
该蔬菜基地的蔬菜质量好
该蔬菜基地的蔬菜品种多
该蔬菜基地生产蔬菜的自然条件优越
蔬菜生产的规模效应和销售渠道的日益完善
某蔬菜经销商去蔬菜生产基地批发某种蔬菜已知这种蔬菜的批发量在20千克～60千克之间含20千克和60
长沙市马王堆蔬菜批发市场某批发商原计划以每千克10元的单价对外批发销售某种蔬菜.为了加快销售该批发商
目前我国大中城市生鲜蔬菜供应的80%左右都要通过农产品批发市场据调查统计蔬菜从进入到运离批发市场需要
推广农业科技，提高蔬菜生产的社会劳动生产率
加大财政投入，加强蔬菜流通__益性设施建设
加强信息服务，引导菜农面向市场生产适销对路的蔬菜
建立农产品批发市场准入机制，避免重复建设与过度竞争
过去成都市郊区即是成都市的蔬菜生产基地改革开放以来随着城市人口的迅速增加城市规模的扩大蔬菜用地日显不
地形
气候
交通
地广人稀
近年来山东已经成为我国北方地区重要的蔬菜生产基地之一据下图及所学知识回答问题最近几年山东蔬菜基地的蔬
该蔬菜基地的蔬菜质量好
该蔬菜基地的蔬菜品种多
该蔬菜基地生产蔬菜的自然条件优越
蔬菜生产的规模效应和销售渠道的日益完善
甲菜农计划以每千克5元的价格对外批发某种蔬菜由于部分菜农盲目扩大种植这种蔬菜造成这种蔬菜滞销甲菜农为
某蔬菜经销商到蔬菜种植基地采购一种蔬菜经销商一次性采购蔬菜的采购单价y元/千克与采购量x千克之间的函
甲菜农计划以每千克5元的价格对外批发某种蔬菜由于部分菜农盲目扩大种植这种蔬菜造成这种蔬菜滞销．甲菜
某蔬菜经销商去蔬菜生产基地批发某种蔬菜已知这种蔬菜的批发量在20千克～60千克之间含20千克和60
对从事蔬菜批发零售的纳税人销售的蔬菜免征增值税
某蔬菜经销商去蔬菜生产基地批发某种蔬菜已知这种蔬菜的批发量在20千克～60千克之间含20千克和60千
过去成都市郊区即是成都市的蔬菜生产基地改革开放以来随着城市人口的迅速增加城市规模的扩大蔬菜用地日显不
甲
乙
丙
丁
读北京市蔬菜基地变化示意图完成下列问题10分1请分析改革开放前四季青作为北京市蔬菜生产基地的原因2试
近年来山东寿光已经为我国北方地区重要的蔬菜生产基地之一回答题山东寿光与海南两个蔬菜生产基地寿光较海南
水热条件
光照条件
地理位置
生产技术
某蔬菜经销商到蔬菜种植基地采购一种蔬菜经销商一次性采购蔬菜的采购单价y元/千克与采购量x千克之间的函
2016年6月以来成都蔬菜市场绿叶蔬菜的价格大幅上涨菠菜一路上扬至每斤5.99元其他绿叶蔬菜价格也不
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如图∠1=∠2添加一个条件使得△ADE∽△ACB可添加的条件是．
若=那么=．
Itwon'tbelongbeforewefinalizeourscheme.youwanttomakeanychangepleasekeepmeinformedbeforetomorrow. A.Should B.Could C.Might D.Would
若方程x2-2x-1=0的两根为x1x2则-x1-x2+x1x2的值为A．-1 B．1 C．-3 D．3
﹣Youunderstandtheproblembecauseyou'resomucholder. ﹣I'lltakethisasa. A.comprehension B.compromise C.compliment D.complication
用适当的方法解下列一元二次方程4x-12-36=0直接开平方法
当x时多项式x2+4x+6取得最小值．
TheAmazonEchoavoice﹣drivencomputerthatsitsonatabletopandanswerstothenameAlexacancallupmusictracksandradiostationstelljokesanswersimplequestionsandcontrolsmartappliances.EvenbeforeChristmasitwasalreadyresidentinabout4%ofAmericanhouseholds.VoiceassistantsarebeingwidelyusedinsmartphonestooApple'sSirihandlesover2billioncommandsaweekand20%ofGooglesearchesonAndroid﹣poweredhandsetsinAmericaareinputbyvoice.Dictatinge﹣mailsandtextmessagesnowworksreliablyenoughtobeuseful.Whytypewhenyoucantalk? Simplethoughitmayseemvoicehasthepowertotransformcomputingbyprovidinganaturalmeansofinteraction.Windowsiconsandmenusandthentouchscreenswerewelcomedasmucheasierwaystodealwithcomputersthanenteringcomplexkeyboardcommands.Butbeingabletotalktocomputersabolishestheneedforauserinterface界面atall.Justasmobilephonesweremorethanexistingphoneswithoutwiresandcarsweremorethancarriageswithouthorsessocomputerswithoutscreensandkeyboardshavethepotentialtobemoreusefulmorepowerfulthanpeoplecanimaginetoday. Voicewillnotwhollyreplaceotherformsofinputandoutput.SometimesitwillremainmoreconvenienttoconversewithamachinebytypingratherthantalkingAmazonissaidtobeworkingonanEchodevicewithabuilt﹣inscreen.Butvoiceissuretoaccountforagrowingshareofpeople'sinteractionswiththetechnologyaroundthemfromwashingmachinesthattellyouhowmuchofthecycletheyhavelefttovirtualassistantsincorporatecallcentres.Howevertoreachitsfullpotentialthetechnologyrequiresfurtherbreakthroughsandaresolutionofthetrickyquestionsitraisesaroundthetrade﹣offbetweenconvenienceandprivacy. Computer﹣dictationsystemshavebeenaroundforyears.Buttheywereunreliableandrequiredlengthytrainingtolearnaspecificuser'svoice.Computer'snewabilitytorecognisealmostanyone'sspeechdependablywithouttrainingisthelatestmanifestation证明ofthepowerofdeeplearninganartificialintelligencetechniqueinwhichasoftwaresystemistrainedtousemillionsofexamplesusuallyselectedfromtheInternet.Thankstodeeplearningmachinesnownearlyequalhumansintranscriptionaccuracycomputerizedtranslationsystemsareimprovingrapidlyandtext﹣to﹣speechsystemsarebecominglessroboticandmorenatural﹣sounding.Computersareinshortgettingmuchbetterathandlingnaturallanguageinallitsforms. Althoughdeeplearningmeansthatmachinescanrecognizespeechmorereliablyandtalkinamorenaturalmannertheystilldon'tunderstandthemeaningoflanguage.Thatisthemostdifficultaspectoftheproblemandifvoice﹣drivencomputingistrulytoflourishonethatmustbeovercome.Computersmustbeabletounderstandcontextinordertomaintainacoherentconversationaboutsomethingratherthanjustrespondingtosimpleone﹣off一次性的voicecommandsastheymostlydotodayHeySirisetatimerfortenminutes.Researchersinuniversitiesandatcompaniesareworkingonthisproblembuildingbotsthatcanholdmoredetailedconversationsaboutmorecomplextasksfromsearchinginformationtomakingtravelarrangements. Manyvoice﹣drivendevicesarealwayslisteningwaitingtobeactivated激活.Somepeoplearealreadyconcernedabouttheimplicationsofinternet﹣connectedmicrophoneslisteningineveryroomandfromeverysmartphone.Notallaudioissenttothecloud﹣deviceswaitforatriggerphraseAlexaOKGoogleHeyCortanaorHeySiribeforetheystartpassingtheuser'svoicetotheserversthatactuallyhandletherequests﹣butwhenitcomestostoringaudioitisunclearwhokeepswhatandwhen. 1AccordingtoParagraphltheAmazonEcho. A.hasbeensoldoutbeforeChristmas B.hasbeenusedbymostAmericanfamilies C.cameonthemarketlaterthanApple'sSiri D.ismoreusefulthansmartphonesindictatinge﹣mails 2TheexampleofmobilephonesandcarsinParagraph2arementionedtoshow. A.voice﹣drivencomputers'performancewillbegreat B.howmanyperiodstheIThasexperienced C.whyvoice﹣drivencomputersappeared D.howgreattheinventionofthecomputeris 3Whatcanweinferaboutthetechnologyofvoicecomputing? A.Itismoreeffectiveandconvenientthantyping. B.Itneedstobeimprovedinsomeimportantaspects. C.Itincreasesaperson'schancesofcommunicatingwithothers. D.Itwillreplaceotherformsofinputandoutputinthenearfuture. 4Whatcanwelearnaboutcomputers'deeplearningfromthepassage? A.Itisvitaltoaccurateidentificationofhumanvoices. B.Itisalmostthesameasthecomputer﹣dictationsystem. C.Ithashelpedmachinesunderstandthemeaningoflanguage. D.Ithashelpedmachinesbeathumansinaccuracyandreliability. 5Whataresomeusersofvoice﹣drivendevicesconcernedabout? A.Thedeviceswillbeinchargeoftheirlife. B.Thedevicesneedtobeactivatedbeforeworking. C.Theyareinthedarkabouttheirdata'sownership. D.Theirvoicescanberecognizedbyeverysmartphone. 6What'stheauthor'sattitudetowardsvoice﹣driventechnology? A.Worried. B.Doubtful. C.Supportive. D.Objective.
Mostoftheparticipantsinthe2018globalskills'competitiongraduatedfromvocational职业的schools.Thesegraduatesseemedveryproudoftheirprofessionalskills.Thiseventwasthefirstlarge﹣scaleglobalcontestofskillshostedbyChina. TheimportanceattachedbythegovernmenttoskilledlaborhighlightsitsdeterminationtotransformChinafromabigmanufacturingtoapowerfulmanufacturingcountryforwhichalargenumberofhighlyskilledworkersareneeded. ThankstothepromotionoftheMadeinChina2025strategytheinclusionofthespiritofcraftsmanshipintheGovernmentWorkReportandmanufacturingenterprises'effortstoraisetheirstandardsthesalaryandsocialstatusofskilledworkershavebeenrisingandahealthyrelationshipisbeingformedbetweenvocationaleducationandtherealeconomy. Inrecentyearsanorganiccombinationofeducationmechanismshasbeenintroducedtoelementaryandmiddleschoolstomakestudentsawareoftheadvantagesofvocationaleducationandtosharpentheirvocationalskills.Theincorporation包含ofthespiritofcraftsmanshipintobasiceducationwillalsohelpthemtakeafreshlookatblue﹣collarjobs. 【写作内容】 1用约30个单词概述上述文字的主要内容 2简要谈谈你对工匠精神的理解 3谈谈工匠精神的重要性并简要说明理由上面文章仅供参考原因不少于两点 【写作要求】 1写作过程中不能直接引用原文语句 2作文中不能出现真实姓名和学校名称 3不必写标题. 【评分标准】 内容完整语言规范语篇连贯词数适当
下列方程中是一元二次方程的是A．2x-y=3 B．x2+=2 C．x2+1=x2-1 D．xx-1=0
MynewJapanesefriendsstaredatmefromtheothersideofthesmallsquaretable.There1inthecentreofthetableabowlfullofpastawithblacksquid乌贼inksauce.WhenI2thatItalianfoodwasmyfavoritetheyjusttookmetothebestItalianrestaurantinthecity.SothereIsat3clearonmyfaceasmythreefriendsstaredatmewithbigsmilesontheirfaces.Ihadtastedandenjoyedavarietyofspaghettisauces.4Ihadcertainlynevereatenorimaginedeatingpastacoveredinblackinksauce. Itooktheforkandspoonandputa5servingontomyplate.ThefirstfeelingIexperiencedasthespaghettinoodletouchedmytonguewasnot6butinterest.Itwasweirdstrangebutinteresting.Myfriendssmiledatmefrom7thetable.Withtheirteethandlipsas8asnighttheylookedlikedeadbodies.Itriedtoexplainthistothemandinthe9IlearnedanewJapaneseword.Forthenexttwentyminuteswegot10incallingthewaitressovertoourtableandmakingherlaughasweorderedmoredrinkssmiling11thewholetime. 12likepeoplecomeinallshapessizesandcolours.ItissaidThetruevoyageofdiscoveryliesnotin13newlandscapesbutinhavingneweyes.Ourdaysarefilledwithmini﹣adventuresthatare14soquicklywithoutathought.Iwouldhave15thisadventurecompletelyifIhadactuallyknownwhatIwasorderingwhenIordereditbutIwas16forthemistake.CouldIhavegottenthisdishintheStates?Maybemaybenot.Iwasn'tlookingforit.ThankstoabowlofsquidinkpastaIhavebeen17ofhowmanymini﹣adventuresIhadremainedinignoranceof.Youdon'tneedtocrossanoceantofind18.Youcantakeawalktalktothepersonnexttoyouinthetrainororderan19dishinyourfavoriterestaurant.Life'slessonsare20andadventuresabundant! 1A.fixed B.found C.lay D.stood 2A.mentioned B.illustrated C.noticed D.announced 3A.desire B.worry C.hatred D.shame 4A.Therefore B.However C.Furthermore D.Otherwise 5A.well﹣cooked B.mouth﹣watering C.eye﹣catching D.healthy﹣sized 6A.dislike B.satisfaction C.nervousness D.pleasure 7A.under B.inside C.across D.behind 8A.attractive B.black C.mysterious D.deep 9A.process B.progress C.prospect D.practice 10A.pride B.experience C.delight D.comfort 11A.faintly B.bitterly C.angrily D.broadly 12A.Fortunes B.Friendships C.Adventures D.Fates 13A.seeking B.preserving C.appreciating D.avoiding 14A.passedover B.gotthrough C.speltout D.referredto 15A.missedouton B.brokenawayfrom C.fallenvictimto D.madeuseof 16A.cheerful B.regretful C.thankful D.painful 17A.deprived B.accused C.reminded D.convinced 18A.passion B.excitement C.company D.dream 19A.awful B.thrilling C.usual D.different 20A.everywhere B.instructive C.faraway D.productive
AninternationalteamofastronomersannouncedWednesdaythattheythefirst﹣everimageofablackhole. A.havecaptured B.werecapturing C.hadcaptured D.wouldcapture
如图BE是△ABC的角平分线延长BE至D使得BC=CD．求证△AEB∽△CED
TodaytheNobelPrizeinLiteratureawardedjournalistSvetlanaAlexievichapproximately$970000inrecognitionofalifetimeofexcellence.The67﹣year﹣oldauthorofVoicesFromChernobylandWar'sUnwomanlyFacewaspraisedbytheSwedishAcademyforherpolyphonic复调式的writingsamonumenttosufferingandcourageinourtime. PrizesliketheNobelinspiremuchexpectationsbeforetheannouncement.PeoplegivetheirbestguessesastowhowillwinlookbackonpastwinnersandevenplacebetsasifspectatorsataDerby赛马会. Literaryprizesrewardartisticbrilliance.Theyhelpwritersearnadecentliving.Butisthepublic'sfascinationwithprize﹣winningauthorshealthy?Ourimpulseseemstoincreasinglycontributetoacultureofturningauthorsintocelebritieswherereadersfollowtheauthorinsteadofthebook. Astoryshouldstandonitsownasaconsideredcompletebookwithoutbiographicalinformationfromauthor.It'sanideaperhapsbestconveyedinRolandBarthes's1968essayTheDeathoftheAuthor.Theimageofliteraturetobefoundincontemporarycultureisarbitrarilycenteredontheauthorhispersonhishistoryhistasteshispassions. Nearly50yearslaterafewstillagree.IbelievethatbooksoncetheyarewrittenhavenoneedoftheirauthorsNewYorkTimesbestsellingauthorElenaFerranteoncewrote.Ifbookshavesomethingtosaytheywillsoonerorlaterfindreadersifnottheywon'tshecontinued.Truemiraclesaretheoneswhosemakerswillneverbeknown. ①ButtherulesforsubmissionfortheManBookerInternationalPrizeforexamplestronglyencourageauthorstomakethemselvesavailableforpublicity.AndthefoundationbehindtheNationalBookAwardrequiresfinaliststoparticipateintheirwebsite﹣relatedpublicity. ②In2007areporterwhoshowedupuninvitedatDorisLessing'shousewasthefirsttoinformherthatshehadbeenawardedtheNobelPrizeinLiterature.TodaytheTwitteraticameknockingonAlexievich'sdigitaldoorhourbeforetheawardwasevenofficial.Tobeconsideredforaprizeistobeapublicfigure. ③HarryPotterseriesauthorJ.K.Rowlingwithover5.6millionTwitterfollowershasactivelyaddressedreadersthroughpublicappearancesandsocialmediarevealingmuchmorethanwecouldhaveimaginedwhenweclosedthefinalHarryPotterbook.WenowknowthehouseHarry'schildrenwillbesortedintothatDumbledoreisgayVoldemortisactuallypronouncedwithasilenttandawholehostoftheotherminorandmajordetailsaboutthebackstoryofthecharacters. ThemagicalworldRowlingcreatedinherbooks﹣arelativelytightmysterywithwell﹣laidcluesthatledtoasatisfyingconclusionwhichhadtoprovetheirmeritstothereaderbasedonaninternallogic﹣isbeingunraveledbyherownhand. ④Ofcoursepublicattentionalsohasveryimportantbenefitsforauthors.Forthreemonthsafterreceivingthe2011PulitzerPrizeinfictionJenniferEgan'sAVisitfromtheGoonSquadsoldabouttripleitsprintsalesfrombeforetheprizePublishersWeeklyreports.OnOct.52010inthefirstFT/OppenheimerFundsEmergingVoicesAwardsasNigerian﹣bornChigozieObiomaacceptedtheprizeforfictionwithaneasysmilehisexcitementwasappreciable.Giventhecashprizeof﹩40000foreachwinnerit'shardtodownplaytheimportanceofsuchanhonor.Suchawardsbringnecessaryvisibilityandfundingtowritersfacingaliterarylandscapedominatedbywhitemen. ButourcultureofcelebrityisoftentoowrappedupinthewaywereadHowmightthemeaningofaworkchangeiftheauthorreallydidn'tgrowupinapoorneighborhoodorifheorshewasabusedinchildhood?Readersstudiedtheauthor'slifeasifitwerethekeytointerpretinghisorhernovels. BehindourfascinationisthequestionthatdrivesallsuchquestionsWhatdidtheauthorintend?Byallmeansletuspraisebrilliantworkandindoingsotrustthattheauthorhasalreadytoldusenoughandthatthestoryheorshemeanttotellendedwiththefinalpage. 1Whatcanwelearnfromthepassage? A.PeoplewaitfortheNobelPrizeannouncementcalmlyandpatiently. B.RolandBarthesthinksitnecessarytoreadliteraturecenteredonauthors. C.ElenaFerranteholdsthatbooksshouldbereadindependentlyofauthors'life. D.TheManBookerInternationalPrizediscouragesauthorsfrompublicity. 2WhatdoestheunderlinedwordunraveledinParagraph9probablymean? A.Underlined. B.Unfolded. C.Updated. D.United. 3WhichofthefollowingisNOTthebenefitofprizewinningforauthors? A.Itrevealsmoredetailsaboutthecharactersinthebook. B.Itdramaticallyincreasesthesalesofthebook. C.Itbringsinnecessaryfundingtoauthors. D.Itbringsaboutchangesindominanceinliterarylandscape. 4WherecanthesentenceSomeauthorssatisfyevenencouragetheirfans.bebestputinthepassage? A.① B.② C.③ D.④ 5Whatistheauthor'sattitudetowardsourfascinationwithprize﹣winningauthors? A.Approval. B.Critical. C.Indifferent. D.Neutral. 6Whatisthemainideaofthepassage? A.Tobeawardedaprizeistobeapublicfigure. B.Publicfascinationwithauthorsbringsbenefits. C.Turningauthorsintocelebritiesisabadculture. D.Therearebigchallengesforprize﹣winningauthors.
用适当的方法解下列一元二次方程xx-4=8-2x因式分解法
Oursocietywouldbebetteroffbutforthefactthattheeconomybythecurrentglobalfinancialcrisis. A.hadbeenaffected B.wereaffected C.shouldbeaffected D.isaffected
已知x1x2是一元二次方程x2-5x-3=0的两个根求1x12+x222．
如图在△ABC中DE分别是ABAC上的点AD=2.5AE=1.5EC=3.5要使△ADE∽△ACB就要BD=．
Thepurposeofamapistoexpressgraphicallytherelationsofpointsandfeaturesontheearth'ssurfacetoeachother.Thesearedeterminedbydistanceanddirection.Inearlytimesdistancewasoftenexpressedinunitsoftimeforexamplesomanyhours'marchoraday'sjourneybyriverbutsuchmeasurementsgavemoreinformationabouttherelativeeaseofcrossingthelocalterrainthantheydidaboutactualdistance.TheotherelementisdirectionbutfortheordinarytravellerwhosemainconcernwasWheredoIgofromhere?andHowfarawayisit?theaccuraterepresentationofdirectionwasnotofprimaryimportance.Partlyforthisreasonwrittenitineraries行程foralongtimerivaledmaps.Eventodaycertaintypesofmapsforexamplethoseshowingrailwaysystemsmaymakelittleattempttoshowtruedirections.Similarlyobviouslandmarksalongaroutewereatfirstindicatedbysignsrealisticorconventional惯常的andvariedinsizetoindicatetheirimportance.Clearlytheconventionsemployedvariedwiththepurposeofthemapandalsofromplacetoplacesothatinstudyingearlymapsthefirstessentialistounderstandtheparticularconventionemployed. Thehistoryofcartography制图islargelythatoftheincreaseintheaccuracywithwhichtheseelementsofdistanceanddirectionaredeterminedandinthecomprehensivenessofthemapcontent.Inthisdevelopmentcartographyhascalledinothersciencestoitsaid.Forexampleinsteadofdeterminingdirectionbyobservingthepositionofashadowatmiddayorofaconstellation星座inthenightskyorevenofasteadywindusewasmadeofterrestrialmagnetism地磁学throughthemagneticcompassandinstrumentswereevolvedwhichenabledhorizontalanglestobecalculatedwithgreataccuracy. Theapplicationofastronomicalconceptsandtheextensionoftheknowledgeoftheworldthroughexplorationencouragedattemptstomaptheknownworld.Thenastronomersdiscoveredthattheearthisnotaperfectspherebutisflattenedslightlyatthepoleswhichintroducedfurtherrefinementsintothemappingoflargeareas.Meanwhilethedemandsbeingmadeofthemapmakerwereshiftingsignificantly.Thetravellerorthemerchantceasedtobethesoleuserofmaps.Thesoldierespeciallyaftertheintroductionofartilleryandtheproblemsofrangefieldoffireanddeadgroundwhichitraiseddemandedanaccuraterepresentationofthesurfacefeaturesinplaceoftheearlierconventionalorpictorialdelineation描绘andasolutioninanydegreesatisfactorywasnotreacheduntilthecontour等高线wasinvented. 1Whatproblemdidearlymapsexhibitwhenshowinglandmarks? A.Thesignsusedborelittlerelationtothelandmarks. B.Theselectionoflandmarkswasfaulty. C.Theyusedsymbolsthatwerenotstandardized. D.Theysometimesincludedunimportantfeatures. 2Inthesecondparagraphthewritersaysthatmadebetterqualitymap﹣makingeasier. A.agreaterunderstandingofclimaticfactor B.greateraccuracyindraughtsmanship绘图术 C.moreaccuracyinmeasurement D.moreintensivemapproduction 3Whatencouragedthesearchforamoreprecisemeansofmappingthephysicalgeographyofthelandscape? A.Discoveryinastronomy. B.Thegrowthofmathematicalscience. C.Theactivitiesofthegreatexplorers. D.Militaryconsiderations.
Mysonturnedtobookstoresandlibrariesseekinginformationaboutthebookrecommendedbyhisprofessorbutnone. A.wouldfind B.hadfound C.found D.hasbeenfinding
物质的性质决定用途下列用途利用化学性质的是
如图△ABC中∠C=90°AC=3cmBC=4cm动点P从点B出发以2cm/s速度向点C移动同时动点Q从C出发以1cm/s的速度向点A移动设它们的运动时间为t．1根据题意知CQ=CP=用含t的代数式表示2t为何值时△CPQ的面积等于△ABC面积的3运动几秒时△CPQ与△CBA相似
DespitetheuniversalacknowledgementoftheharmfulimpactofInternetaddictionpersuadinglargenumbersofcitizenstospendlesstimeonlineis. A.Achilles'heel B.aHerculeantask C.theTrojanwar D.aJekyllandHyde
请认真阅读下面的文字并按照要求用英语写一篇150词左右的文章. AsurveycarriedoutinNingboshowsthatcontentaboutChinesecultureinEnglishtextbooksisrare.StudentscannotreceiveenoughinformationaboutChinesecultureinEnglisheitherfromEnglishtextbooksorclassroomteaching.SuchignoranceofthenativecultureinEnglishteachingandlearningiscalledculturalaphasiawhichisamajorproblemandisquitecommon. AccordingtoanothersurveyconductedbyresearcherZhouW.200974%ofthesubjectsclaimthattheyaremoreconfidentofandfamiliarwithChinesecultureastheywerebornandliveinChina.However79%ofthemwhohavebeenlearningEnglishforatleast16yearsareunabletodescribeConfucianismorTaoisminEnglish.TheresearchersrecommendthateducatorsshouldtakemeasurestohelpstudentscounterChineseculturalaphasia. 【写作内容】1.用约30个词概括材料内容.2.谈谈英语教学中增加更多的中国文化的重要性不少于两点.3.谈谈在对外传播中国文化方面你可以做哪些准备不少于两点. 【写作要求】1.写作过程中不能直接引用原文语句.2.作文中不能出现真实姓名和学校名称.3.不必写标题. 【评分标准】内容完整语言规范语篇连贯词数适当.
Raisingtheincomesofthepoorislikelytobeineffectiveinawealthysocietyaccompaniedbyothermeasures. A.once B.when C.if D.unless
IoftenfelttroubledinmyteensandmygrandmacomfortmesayingLifeislikethatdear. A.would B.might C.should D.must
AustinPerineisnotatypicalsuperhero.Twothingssethimapart.Hisenemyisnot1tothepagesofacomicbook﹣Austin'senemieshungerand2areveryreal.Alsohe'sonlyfouryearsold. Ourhero'sstorystartedthispastFebruary3AustinandhisfatherTJPerinewerewatchingaprogramaboutsomehomelessbabypandas.Austindidn'tknowwhathomelessnessmeantbuthewas4andwantedtoknowmore.TJsays. Seeingthisasa5momentTJtookAustintotheFirehouseMinistriesalocalshelterthat6homelessmen.DadtheylooksadAustinsaid.Canwetakethemsomefoodandmakethem7?ThatdayAustinusedhis8tobuyeachmanaBurgerKingsandwichandhandedthefoodouthimself.Seeingwhattheir9meanttothemenattheministryAustinandTJreturnedthenextweek.Austinagain10intohispiggybanktobuysandwicheswhichhehandedoutalongwithhisnewcatchphrase口头禅Don'tforgettoshowlove! AfterhereturnedeveryweekforfiveweekswordofAustin'sactsof11spread.BurgerKingjumpedaboardagreeingto12﹩1000amonthforanentireyeartowardthe13.SoonchurchesandsheltersacrossthecountrybeganinvitingAustintodistributefoodinotherpoverty﹣strickenareas.WhereasbeforeAustinandTJcouldfeed25to50peopleatatimenow14corporateandcommunitysupporttheycanfeed800to2000peopleatonce. ButAustinisn'tjustfillingbellies.He'simprovingthe15ofthosehemeets.OnthatfirsttriptoFirehouseMinistriesTJandAustintalkedtoamannamedRaymont.TherespectAustinshowedto41﹣year﹣oldRaymont16themanandhesharedwithTJjusthowgratefulhewastobetreatedso17byafour﹣year﹣oldstranger.TJhelpedRaymontcollectallthedocumentsheneededtogetadriver'slicensewhichhelpedRaymontgetajob.Andwithmoneyinthebankhewasableto18hisownapartment.Allthatwasmadepossiblebecausealittleboytookthetimeto19. AndnowAustincontinuestogiveoutfoodsmilesandhis20messageoflove.ItmakesmefeellikeI'msavingtheday. 1A.attached B.restricted C.dedicated D.applied 2A.homelessness B.disability C.prejudice D.disasters 3A.where B.when C.until D.that 4A.disappointed B.hopeless C.annoyed D.depressed 5A.admirable B.worthwhile C.teachable D.sensitive 6A.settlesfor B.makesfor C.providesfor D.allowsfor 7A.smile B.consume C.surprise D.appreciate 8A.revenues B.allowance C.commission D.admission 9A.presence B.schedule C.discovery D.promise 10A.looked B.burst C.knocked D.dipped 11A.friendliness B.neighborliness C.happiness D.kindness 12A.donate B.invest C.arrange D.allocate 13A.expectation B.project C.cause D.struggle 14A.accordingto B.thanksto C.apartfrom D.farfrom 15A.images B.memories C.knowledge D.lives 16A.cured B.justified C.touched D.defended 17A.peacefully B.officially C.flexibly D.considerately 18A.rent B.repair C.decorate D.occupy 19A.attempt B.care C.dream D.shelter 20A.challenging B.ambitious C.inspirational D.natural
Ifanentirecountrygetsricheratthesametimeindividualswouldn'tfeelwealthiersincetheirrelativepositionsinsocietyhaven'tchanged. A.necessarily B.initially C.typically D.sustainably
Astudyfoundthatadolescentswithearlyparent﹣setbedtimesweresignificantlylesslikelytosufferfromdepressionsuggestingthatearlybedtimescouldhaveaprotectiveeffectbylengtheningsleep. Resultsshowthatadolescentswithparent﹣setbedtimesofmidnightorlaterwere24%morelikelytosufferfromdepressionthanadolescentswithparent﹣setbedtimesof10pmorearlier.Adolescentswhoreportedthattheyusuallysleepforfiveorfewerhourspernightweremorelikelytosufferfromacutemusclepainsdizzinessnauseaandheadachesthanthosewhoreportedgettingeighthoursofnightlysleep.Participantswhoreportedthattheyusuallygetenoughsleepwerelessirritablethanthosewhodidn't.① JamesE.GangwischassistantprofessoratColumbiaUniversityMedicalCentersaidthattheresultsstrengthentheargumentthatshortsleepdurationcouldplayaroleinthestudyofdepressioncauses.OurresultsareconsistentwiththetheorythatinadequatesleepisariskfactorfordepressionworkingwithotherriskandprotectivefactorsthroughmultiplepossiblecausalpathwaystothedevelopmentofthismooddisordersaidGangwischAdequatequalitysleepcouldthereforebeapreventativemeasureagainstdepression.② Fromthedatacollecteditwasfoundthatsomeparticipantssufferedfrommemorylossandhallucinations.③Thesewereassociatedwithlaterparent﹣setbedtimeshortersleepdurationandself﹣perceptionofnotgettingenoughsleep. Theaverageadolescent﹣reportedsleepdurationwas7hours53minuteswhichcontrastedwiththe9ormorehoursofnightlysleeprecommendedforthem.④Participantswithaparent﹣setbedtimeof10pmorearlierreportedthattheyusuallysleptforanaverageof8hours10minuteswhichwas33minutesmorethanadolescentswithabedtimeof11pmand40minutesmorethanthosewithabedtimeofmidnightorlater.Withtheexceptionofsleepdurationsof10hoursormorepernighthigheraveragesleepdurationswereassociatedwithprogressivelyearlieraveragebedtimes. Theauthorsofthestudyreportedthatthereareanumberofpotentialmethodsbywhichconstantpartialsleepdeprivationcouldcontributetodepression.Lackofsleepmayproducemoodinessthathinderstheabilitytocopewithdailystressesdamagerelationshipswithpeersandadultsandaffectjudgmentconcentrationandimpulsecontrol.Theyalsosuggestedthatbehavioralinterventionsthatinvolveeducatingadolescentsandtheirparentsabouthealthiersleeppracticesandhelpingthemmodifysleephabitscouldserveasthemainpreventativemeasuresagainstdepression. 1AccordingtothepassagewhichofthefollowingstatementsisTRUE? A.Notlongenoughsleepdurationisariskfactorfordepression. B.Sleepdeprivationisadirectcauseofdepression. C.Adolescentsareadvisedtogeteighthoursofnightlysleepperday. D.Educatingparentsalonecanbeaprecautionarymeasureagainstdepression. 2InthepassagewhichunderlinedstatementisanOPINION? A.① B.② C.③ D.④ 3BasedonthepassagelackofsleepcanleadtothefollowingEXCEPT. A.strongattachmenttofriends B.beingdistractedeasilyinclasstime C.reactingslowlytothechangeoftrafficlights D.poorperformanceinmemorizingEnglishvocabulary
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