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根据化学发展的实际情况，下列顺序排列正确的是（ ）①原子论和分子学说的创立②“绿色化学”的提出③元素周期律和元素周期表的发现④火的发现和利用A．①②③④ B．②①④③ C．④①③② D．④①②③
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是指同类现象指标值按时间顺序排列而形成的数列
时间序列
发展速度
发展水平
序时平均数
人类科技发展的历程中先后出现了下列科技词语①电子计算机②量子力学③航天器④转基因水稻按时间先后顺序排
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是指同类现象指标值按时间顺序排列而形成的数列
时间序列
发展速度
发展水平
序时平均数
下列对于化学发展的实际情况顺序排列正确的是①原子论和分子学说的创立②绿色化学的提出③门捷列夫发现了元
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下面几种说法中不正确的是
在公文中安排语序时，当一组概念表现由若干连续的动作、行为构成的活动过程时，一般应按时间发展顺序排列
受双重领导的机关向上级机关请示，应写明主送机关和抄送机关，由抄送机关答复
有些公文的主题，可以根据领导人授意而直接表述，有些公文的主题，则需在调查研究的过程中，随着对客观实际情况全面而深入的探索而逐步提炼与明确
公文中的疑问语气一般较少使用语气词“啊”、“呢”、“吧”等，“吗”也尽可能不用或少用
逻辑观点的排列顺序有
按重要性排列
按时间先后顺序排列
按事物发展的自身规律排列
按逻辑顺序排列
下列是几幅关于资本主义世界市场形成过程的图片按照世界市场形成发展的顺序排列正确的是
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下面几种说法中不正确的是
在公文中安排语序时，当一组概念表现由若干持续的动作、行为构成的活动过程时，大凡应按时间发展顺序排列
受双重领导的机关向上级机关请示，应写明主送机关和抄送机关，由抄送机关答复
有些公文的主题，可以根据领导人授意而直接表述，有些公文的主题，则需在调查研究的过程中，随着对客观实际情况全面而深入的探索而逐步提炼与明确
公文中的疑问语气大凡较少使用语气词 “啊”“呢”“吧”等，“吗”也尽可能不用或少用
人类科技发展的历程中先后出现了下列科技词语①电子计算机②量子力学③航天器??④转基因水稻按时间先后顺
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下列中国古代历史发展分期按先后顺序排列正确的是①秦汉时期②春秋战国时期③夏商西周时期④三国两晋南北朝
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产业结构演化论是根据产业结构演进的特点将经济发展划分为五个时期按正确的发展顺序排列的是①传统结构阶段
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人类科技发展的历程中先后出现了下列科技词语①量子力学②电子计算机③航 天器④转基因水稻按时间先后顺序
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根据经济发展的需要和实际情况GDP不高的地区偏向于采用
下面是关于资本主义世界市场形成过程的图示按照世界市场形成发展的顺序排列正确的是
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产业结构演化论是根据产业结构演进的特点将经济发展划分为五个时期按正确的发展顺序排列的是 ①传统结构
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下列几幅关于世界市场形成的图片按照世界市场形成发展的顺序排列正确的是①新航路开辟②火车机车③电话④早
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①②④③
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人类科技发展的历程中先后出现了下列科技词语①电子计算机②量子力学③航天器④转基因水稻按时间先后顺序排
①②③④
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人类科技发展的历程中先后出现了下列科技词语即①电子计算机②量子力学③航天器④转基因水稻按时间先后顺序
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下列物体按从小到大的顺序排列正确的是
电子—质子—原子核—原子
原子—原子核—中子—电子
下列图像反映的是英国历史发展进程中的大事按时间顺序排列正确的是
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15分WhenRobertLeewasinprimaryschoolhehatedtoseehisclassmatesthrowingawayhalf﹣eatensandwichesafterlunch.Hisparentshadtaughthimandhisolderbrothernottowastefood.TheysaiditwasbadsaysRobert27. While1studyfinanceandaccountingatNewYorkUniversityRobertrememberedthislessonandjoinedTwoBirdsOneStoneafood﹣rescueclubatschool2deliveredfivedaysaweekuneatenpastavegetablesandotherleftovers剩余食物fromthedininghalltonearbyhomeless3shelter. WhenRobertandfellowclubmemberLouisaChenenteredacollege4competetheycameupwithaslightlydifferentideaforafood﹣rescuenon﹣profitgroup﹣5theyprogramwouldn'thaveadonationminimumwouldoperatesevendaysaweekandwouldbestaffed6entirebyvolunteers. Surprisingly7ideastoodout.RobertandLouisaChenwonthefirstplace.8the$l000prizetheyfoundedRescuingLeftoverCuisineRLCinJuly2013.InjustthefirstfewweeksRobert'steamdeliveredadonationofenoughnoodlesandmeatballstofeed20peopleinlineataNewYorkCityhomelessshelterthathadrunoutoffood.OnlyayearintohisfinancejobRobertgaveuphissix﹣figuresalary9focusonRLC.Sofartheorganization10reachsixteencitiesaroundthecountry.
LiveatLeedsFestivalUnitedKingdom AweekendofIndiemusictakingoverLeedsforonedayinMayMetronomySunaraKarmaandTomGrennanwillheadlinebutthere'safocusonthecity'snewerbandswiththefestivalaimingtobringnewartistsintothespotlight.Eventstakeplaceacrossthecitywithwristbandsgivingyouaccesstoalltheplaces.Andtogotothisfestivalyouneedtobeover14yearsold. Time4May2019 MidnightSunFilmFestivalFinland AlmostahundredmilesnorthoftheArcticCircleSodankylaiswhereFinnishfilm﹣directorbrothersAkiandMikaKaurismakirockupeverysummerfortheirMidnightSunFilmFestivalafive﹣day﹣and﹣nightcelebrationofnewcinema.AmixofsilentfilmscontemporaryFinnishonesrecentfestivalhitsandbox﹣officeclassicsarescreenedaroundtheclock. Time12﹣16June2019 FujiRockFestivalJapan ThefirsteverFujiRockFestivalwasheldatthebottomofMountFujibackin1997andhasbroughtinmusicandrockfansfromallovertheworld.ThefestivalisnowheldintheNaebaSkiResortandiscelebratingits20thanniversarythisyear.Theartistswhoperformaren'tallrockers.Yourwristbandhastobecheckedattheentrance.Weofferfacilitiesforchildrenbuttheycan'tbeleftunaccompanied. Time26﹣28July2019 TheWhiteNightsFestivalSt.PetersburgRussia TheWhiteNightsFestivalisheldatthecity'sfamousMariinskyTheatreandshowssomeoftheworld'sbestoperaandballet.It'sthebesttimetovisitSt.Petersburgbecauseit'sheldduringthemagicalsummerperiodwhenthere'salmost24hoursofsunlightaday. Time23May﹣2June2019 1Whichfestivallaststhelongesttime? A.LiveatLeedsFestival. B.MidnightSunFilmFestival. C.FujiRockFestival. D.TheWhiteNightsFestival. 2Wherewillyouenjoya24﹣hourmovieactivity? A.InLeedsUnitedKingdom. B.InSodankylaFinland. C.IntheNaebaSkiResortJapan. D.InSt.PetersburgRussia. 3WhatdoLiveatLeedsFestivalandFujiRockFestivalhaveincommon? A.Theyareofthesamemusicstyle. B.Theyfocusonnewartists. C.Theyrequireentrancewristbands. D.Theyhaveagelimits.
12分Three﹣quartersoftheworld'scoffeefarmsdestroyforesthabitattogrowcoffeeinthesunandtypicallyuseharmfulpesticides杀虫剂andchemicalsthatpoisontheenvironment.Whenforestsdisappearmigratory迁徙的songbirdsdisappeartoo.InordertodealwithseverepopulationandhabitatlossSmithsonianscientistscreatedtheBirdFriendlycertification. BirdFriendlycoffeesareshade﹣grownmeaningthecoffeeisplantedundertreesratherthanonthelandthathasbeenclearedofallotherplants.Coffeeexpertssayshade﹣growncoffeestastebetterbecausethebeansripenslowerthancoffeegrowninthefullsunresultinginarichermorecomplexflavor.BirdFriendlycertifiedcoffeesgrowunderbio﹣diverseshadethatprovideshabitatformigratorysongbirdsandotherwildlifestorescarbonandfightsclimatechange.BirdFriendlycoffeesarealsocertifiedorganicmeaningtheyaregrownwithoutpesticideswhichisbetterforpeopleandfortheplanet. BirdFriendlyproducerscanalsoearnmorefortheircrops.Thewoodandfruittreesonshadecoffeefarmsprovidefarmerswithadditionalincome.EverycupofBirdFriendlycoffeepurchasedrewardsthesefarmerswithalittlemoremoneyforbeinggoodstewardsoftheenvironmentandencouragesthemtocontinueconservingBirdFriendlyhabitat. BuyingBirdFriendlysupportstheSmithsonianMigratoryBirdCenter'sconservationresearchaimedatunderstandingandprotectingyourfeatheredfriends.YoucanpurchaseBirdFriendlycertifiedcoffeesaroundtheworldandprotectwildlifeandhabitatwitheverycup.Findastoreorcafenearyouorbetteryethaveitshippedtoyourdoorwhenyouorderonline. 1Whatisthepresentsituationofcoffeefarms? A.Onefourthofthemhavedestroyedforesthabitatforbirds. B.Pesticidesandchemicalsusedonthempoisonedmanybirds. C.Farmershavebeenawareofenvironmentprotection. D.Scientistspayattentiontothemandhavecomeupwithanidea. 2What'sacharacteristicofBirdFriendlycoffees? A.Theymayhaveabettertaste. B.Theyhaveastrangeflavor. C.Theytakelesstimetoripen. D.Theyaregrownonunpollutedland. 3HowcanBirdFriendlyfarmersearnmoremoney? A.Bychargingconsumersmoremoney. B.Bysellingfruitsandwoodfromtrees. C.Bycuttingdowntreesandsellingwood. D.Byservingasstewardsofcoffeeconsumers. 4Whatdoesthetextsuggestcoffeeconsumersdo? A.Consumelesscoffee. B.Ordercoffeeonline. C.Purchaseshade﹣growncoffee. D.Donatetocoffeefarmers.
8分Whenreturningtosouth﹣westernGermanywheremyparentsliveitiscompulsoryformetogoonahiketoconnectwithnatureandreconnectwithmyself.SothatisexactlywhatIdidthefirstsunnySundaybackinthebeautifulBlackForest.TheHuzenbacherSeeisatarninthemiddleofthenorthernBlackForestwithabundantnaturesurroundingit.ApproachingitafteragoodhourwalkIsawfascinatingbluedragonfliesinquantitythatattractedusbythewaytheyflewaround.Theydidn'tstandstillforaphotoastheylandedonleavesforasplitsecond.WewerealsosurprisedattheyellowwaterliliesthatcanbeseenfloatingonitssurfacebetweenJuneandJuly. Sittingdownatoneofthebenchessurroundingthelakeforapicnicwassatisfyingintwoways.Iwasawareoftheworld'sbeautythatgavemetheenergytocontinueupthemountaintoreachthemostamazingviewlookingoverthelake.Theotherwastoreallyfillmyselfupinordertocontinuetheadventureadequatelyfulluponsomesnacksandrefreshingwaterfromthewell. Thehikeupwasn'tashardasexpectedandagoodpathwasprovidedwithdirtyrocksandslipperystonesallundertheshadeofthetalltrees.Thistookaboutanhourandahalfuntilreachingthebeautifulviewofthelakeandlandbelow.Oncewehadtakenintheastonishingviewsthewalkbackdowntookanotherhourorsomakingthehikea3﹣to4﹣hourroundtripwhichwaswellworthit! SimplybeingbackintheBlackForestandhavingsuchpleasanthikesisdefinitelygoodforthesoulandIhighlyrecommendgettingyourselfoutsidebeitintheBlackForestoranywhereoutdoors.GetyourintakeofvitaminDandmostimportantlytakeinthemomentsthatnaturehastooffer. 1WhatdoestheunderlinedwordtarninparagraphIreferto? A.Tree. B.Tower. C.Lake D.Village. 2Howdidtheauthorfeelwhensittingonthebench? A.Tired. B.Content. C.Surprised. D.Excited. 3Whatdidtheauthorcallonpeopletodo? A.TakevitaminDpills. B.Loveandprotectnature. C.Savethesoulandbeyourself. D.Gooutdoorsandgetclosetonature. 4AccordingtotheauthorbeingbackintheBlackForestandhavingpleasanthikesdoesgoodtoone's. A.health B.spirit C.character D.experience
40分Ahumpbackwhaleisstrugglinghardinthesea.Thehumpbackscanweigh40tonsandstretch50feelfromnosetotail.That'sthekindof1andsizethateasilyoverturnsmallboats.Tojumpontothe2ofoneofthesegiantsis3toresultinadisaster.Butthat'sjustwhatSamSynsleliendidwhenhesawahumpback4caughtinaropethatwas5toabuoy浮标inCentralCaliforniansMorroBaythisweek. SamalongwithcrewmateNicholasTaronhadalreadytried6theunfortunatewhaletotheU.S.CoastGuard一buttheyweretolditwouldbehoursbefore7couldbesent.8thecommercialfishermen9thiswhaledidn'thave.Ifthewhalewasto10theyhadtogogetit.Therewasnoother11forthewhale.Theydecidedtogoforittotally12thefear.Turon's13intherescuewasmostlyinthe14cheeringdepartment.Intheclipyoucanhearhimdirectingtheoperationfromthesideoftheboatwhilefilmingtheentire15. Swim!Swim!HeyellsMove!Justgetit!Getit! Theanxiouswhalewasjustswimmingincounter﹣clockwisecircles16andbeingheldtothebottom.Itthrewitsheavytailagainsttheboat.ButSam17itandjumpedontothewhale'sbacktosaveitslife.Hemanagedtohanginthere18cuttingthroughtheropethat19thecreature.Andthenwithawhoosh击水声itdovedeepdownbeneaththegreat20.Itwasn'tmuchofathankyoubutSynstelienandTaronwereleftwithawhaleofatale. 1A.length B.violence C.ability D.weight 2A.nose B.head C.back D.tail 3A.willing B.likely C.anxious D.flexible 4A.hopelessly B.loosely C.curiously D.secretly 5A.stuck B.directed C.adjusted D.attached 6A.shipping B.delivering C.reporting D.hunting 7A.boats B.rescuers C.fishermen D.experts 8A.Strength B.Advantages C.Patience D.Hours 9A.figured B.objected C.hesitated D.proved 10A.paddle B.survive C.relax D.breathe 11A.barrier B.accommodation C.option D.equipment 12A.hiding B.exhibiting C.fostering D.ignoring 13A.interest B.ambition C.role D.contribution 14A.disturbing B.enthusiastic C.clumsy D.scared 15A.operation B.creature C.performance D.fighting 16A.silent B.stressed C.confused D.unconscious 17A.wrestled B.spotted C.trained D.approached 18A.eventually B.naturally C.directly D.normally 19A.prohibited B.injured C.tied D.monitored 20A.waves B.noises C.ferry D.darkness
8分Coca﹣Colawhichreportedlyproducedmorethan3milliontonsofplasticpackagingin2017announcedThursdayitwantstohelpfixtheworld'splasticwasteproblemonecommunity社区atatime. Thesodagiantisdoingsobyproviding＄5.4millionforrecyclingprogramsincitieslikeAtlantaBostonDenverandHouston.InthesecitiespartnerslikeTheGreenBlueInstituteandTheRecyclingPartnershipwhichreceivethemoneywillworktogethertoimproverecyclingrates. WefocusonareaswherewehavetheabilitytomakethebiggestinfluenceoncommunitiesthroughthefundingandexpertskillsofCoca﹣ColaemployeesCarlosPagoagoaCoca﹣Cola'sgroupdirectorofcommunitypartnershipssaidinastatement.Ineachcitylocalpartnerswillworktogethertoidentifybarrierstorecyclingonalocallevelandtestarangeofsolutionsheadded.Wehopethelearningsfromthese‘modelmarkets'canoffersolutionstoothercitiesfacingsimilarchallenges. AspartoftheeffortTheRecyclingPartnershipandthecityofAtlantawherethecolacompany'sheadquartersarebasedwillsendstreetteamsouttoopenrecyclingcartsandleavecitizenscardsinformingthemwhattheycanandcan'trecycleandletthemknowhowtheireffortswork. TwoofthemosturgentproblemswithrecyclingintheU.S.todayarelackofaccessfollowedbypollutioninrecyclingKeefeHarrisonCEOofTheRecyclingPartnershipsaidinastatement.WeknowfromthesuccessofAtlantain2017thatthecitizenswanttorecycleandthatcommunicatingwiththeminthestreetworks. LastyearCoca﹣Colaannounceditstasktocollectandreuseabottleorcanforeachoneitsellsandincreasetheamountofitsproductsoutofrecycledmaterialsto50%by2030.Thebrandalsoaimstomakeallitspackagingfullyrecyclableby2025. 1WhatdoesCoca﹣Colacompanyintendtodointheprogram? A.Producelesspackaging. B.Helpdealwithplasticwaste. C.Pickupwasteincommunities. D.Buildaplanttorecycleplasticwaste. 2What'sParagraph2mainlyabout? A.HowCoca﹣Colaconductsitsprogram. B.Whatorganizationsparticipateintheprogram. C.HowCoca﹣Colachoosescitiesfortheprogram. D.WhatthelocalpeopledoinCoca﹣Cola'sprogram. 3Whatdostreetteamsdotohelp? A.Sortoutvariouswasteinthecity. B.Lookintothecauseofpollution. C.Instructlocalpeoplewhattorecycle. D.Handcardstothelocalsinperson. 4WhatdoesKeefeHarrisonthinkoftheprogram? A.Promising. B.Difficult. C.Pioneering. D.Costly.
Doesbeingclosetoseacreaturesexciteyourkid?IfyourideaofhavingamemorablemomentisbyspendingyournextvacationwithyourkidinMotherNatureclosetoseacreaturesthencontinueyourreading.BelowaresomeoftheplaceswehavefoundoutinregardstothebestecotourismdestinationsinEurope. TheBayofBiscayinFrance AllalongthewestcoastofFranceistheBayofBiscaywhereyoucanfrequentlyseeanumberofspeciesofdolphins.Whetheryou'resailingoutintothebayyourselforjusttravellingthroughbyboatthesefriendlycreaturesregularlyappearsuddenlyalongsideboatsandwillswimalongwithyou. SardiniainItaly ThereareplentyofbeautifulplacesalongthecoastofSardinia.Howeverifit'sseahorsespottingyou'reafterthenheadtothenorthoftheislandwhereyou'llfindArcipelagodiLaMaddalenaParkanationalparkthatishometosomeamazingseahorsesaswellaslotsofotherunbelievableunderwaterlife. KefaloniainGreece OneofthebestplacesinEuropetoseeturtles海龟isaroundtheGreekislandofKefalonia.Seaturtlesreturntotheislandinthesummermonthstolaytheireggsalongthesandybeaches.TheareaofArgostoliisagoodplacetoheadtoit'swell﹣knownforitssnorkelling潜泳andyoucanalsoseeseaturtlesbobbing冒出theirheadsupfromthebayofnearbyKefalonia. TheAlgarveinPortugal AlongtheAlgarveinPortugalyou'11findamazingsandybeachessetamongcliffs悬崖.PraiadaMarinhaoftensaidtobeoneofthebestbeachesintheAlgarvealsoisproudoffantasticsnorkellingwhereyoucanseecolourfulandbrightstarfish. 1Wherecanseahorsesbeseen? A.AlongthesouthcoastofSardinia. B.AlongthewestcoastofFrance. C.IntheGreekislandofKefalonia. D.InArcipelagodiLaMaddalenaPark. 2WhatdoKefaloniaandtheAlgarvehaveincommon? A.Theyarehometoseaturtles. B.Theyprovidedolphinspotting. C.Theyarefamousforsnorkelling. D.TheyhavethebestbeachesinEurope. 3Forwhomisthetextmostprobablywritten? A.Children. B.Parents. C.Teachers. D.Biologists.
10分Weautomaticallyassumethatasadultswe'rewiserthanwhenwewerechildren.Howeveractuallywecanlearnalotfromourchildhoodself.Forexamplewecanlearntodevelopoptimismaboutthefuture.DoyourememberhowexcitedyouusedtobejustbeforeChristmas?1Reintroducethatchildlikewonderintoourdailyexperiences. Wecanlearntodreambigandimaginetheimpossible.HowoftenhaveyouheardachildsaysomethinglikeOnedayI'mgoingtobeanastronaut?Ouradultmindsimmediatelylaughatthisideaandthinkaboutallthelogicalreasonsastowhythismightneverhappen.2Weminimizeourchancesofattainingwhatwedreamabout.Itisokaytodreambigjustasourchildhoodselfdid. 3Ourchildhoodselflookedatpossibilitiesandbelievedwecouldachievethemsuccessfully.Ifwewantedtobuildatreehousewe'dgoaboutthinkingabouthowtomakeithappeninsteadoffocusingonallthereasonsitmightnothappen.Inthiswaywecanfillourlifewithpossibilitiesratherthanregrets. Wecanlearntobeplayfulandsillysometimes4Childrenspendalargeamountoftimeescapingfromrealitytomessaboutandhavefun.Maketimeforyourchildhoodselftocomeoutandplay.Runaroundthegardenwearasillyhatorspendtimelaughing.5. A.Don'timaginethingscouldgowrong. B.Wecanlearntoholdacandoattitude. C.Thatfeelingofgreatjoyishardtobeat. D.Mostchildrentendtothinkinapositiveway. E.Alloftheseactivitiescanmakeusfeelhappyandalive. F.Weemployself﹣limitingbeliefswithoutevenrealizingit. G.Allworkandnoplaymakesapersonverydullandupset.
15分TheForbiddenCityinBeijinghometothePalaceMuseumhousesmorethan1.8millionculturalrelicsandisoneoftheworld'smostvisitedtouristattractions. 1markthe600thanniversaryoftheForbiddenCitythePalaceMuseumwillholdaseriesofeventsthroughout2020.Over20exhibitionswillbeheld2coverdifferentareassuchashistoryartfestivalsandsoon.ForthespecialoccasionAlongtheRiverduringtheQingmingFestivaloneofChina'smost3wideknownmasterpieceswillgoondisplayinSeptember2020.For4itbestpreservationthistreasuredartworkisseldomfullyexhibited.Thepainting5displayforthefirsttimebackin2005tocelebratethemuseum's80thanniversary.Such6raresightisexpectedtodrawhugecrowds.Inadditionthemuseumwillalsodisplayexhibitsfromother7country. DuringthepastfewyearsthePalaceMuseumhasbeenworkinghardtogetthepublicfamiliar8thehistoryandcultureoftheForbiddenCity.Anditseemsthattheseeffortshavebeenpayingoffwithits9popularreachinganewheight.Over17millionpeoplevisitedthemuseumin2018of1040percentwereunder30yearsold.
25分假定你是李华你校英国交换生John想利用假期到中国各地旅游发邮件向你询问如何购买火车票.请你回复邮件内容包括 1.所需证件护照 2.购票方式售票窗口网上 3.车站取票. 注意1.词数100左右 2.可以适当增加细节以使行文连贯. DearJohn ﹣﹣﹣﹣ Yours LiHua
25分假定你是李华你的英国朋友Mike发邮件说他打算今年暑假来中国学习中国剪纸Chinesepapercutting.请你回复邮件内容包括 1.表示欢迎 2.给出学习建议观看剪纸展览学习一门剪纸课程. 注意1.词数100左右 2.可以适当增加细节以使行文连贯.
观察下列各式请你猜想1==．2请你将猜想到的规律用含有自然数nn≥1的代数式表达出来．
8分StudyingtheDNAof300micehasflaggedupgeneswhichhavebeenlinkedtohereditary遗传的sightlossforthefirsttime.Researcherssaybecausemice'sgenesaresosimilartohumans'theirfindingscouldleadtothetreatmentofmoregeneticdiseases. ScientistsattheUniversityofCaliforniaDavisstudiedinformationfromadatabankofmice'sgeneticmaterial.Theyfound347geneslinkedtoeyeproblemswithjust86ofthemhavingbeenstudiedinthepast. Onlyaround50to75percentofhereditaryeyediseasesinhumancanbeexplainedwithpresentscience.Theresearchersbelievethesehundredsofnewgenesfoundinmicecouldbeakeytoexplaining﹣andthereforebeingabletotreattheother25﹣50percent. ThisisextremelyvaluableforpeoplewithhereditaryeyediseasesaidresearcherProfessorAlaMoshiri.Allresearchersaregoingtostartusingthesedata.Inthepastweknewtheproblemwastherebutwedidn'tknowwheretolook.Noweyecenterscancallbackpatientsandscreenthemforthesenewgenes.Weexpectedthatmoreandmoreofthesegeneticdiseaseswillbetreatable.Alsothefactisthatmorethan60percentofeyeproblemsatbirthareonesresultingfromthebaby'sparents! ThankstodatafromtheInternationalMousePhenotypingConsortiumIMPCwhichistryingtoworkoutwhateverysinglegeneinamouseisresponsibleforwiththeaimoftranslatingittohumansscientistsaremovingclosertofiguringoutallgeneticcausesofblindness.Todothisscientistsseparateasinglegenefromotheronesatatimeandthenobservewhateffectithasonthemouseforalongtime.Thishassofarbeendonemorethan7000timesandhasachievedgreatsuccess.ResearchersarenowworkingalongsideeyecarecentersinTexasandIowainordertocomparethemice'sgenestothoseofpatients. 1Howmanyhereditary﹣sight﹣loss﹣relatedgeneswerenewlyfound? A.86. B.261. C.300. D.347. 2Whyisthepercentageofgeneticeyeproblemsmentionedinparagraph3? A.Toshowthesignificanceofstudyingmice'sgenes. B.Toprovemice'sgenesaresimilartohumans'. C.Towarnthehighrisklevelofsufferingthem. D.Toexplainhowcommontheyareamongpeople. 3Whatshouldscientistsdofirsttounlocksecretsofgeneticblindness? A.Comparehumans'geneswithmice's. B.Recognizeeachgene'sroleofhumans. C.Setapartageneofamouseeachtime. D.Figureouteachgene'sfunctionofamouse. 4Whatcanbeasuitabletitleforthetext? A.NewWaystoCureSightLoss B.GenesFoundBehindEyeProblems C.GeneticDiseasesDiscoveredinMice D.HumansGenesCausingEyeDiseases
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∧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. Myfatherisapoliceman.Onacoldwintereveninghesawoldbeggarsittinginasquareoutsideashoppingcenter.Hisshoeshadbeenwornoutandhistoesstickout.Seehisfrozenfeetmyfatherfeltsad.Heleftandreturnedbackwithapairofnewshoesandsocksthatheboughtatanearbystore.Hekneltdownonthegroundbuthelpedtheoldhomelessmanputiton.Hisrandomactofkindnessmeltedtheheartsofthepasser﹣by.Awomanbroughtanoldblanketfromherhousetoprotectthebeggarwiththefreezingcold.Thebeggarwastouchedandsaiditwasnicetoknowthatangelstruewalkonearth.
8分DepressionandsuicidalthoughtshavedoubledinyoungAmericansaccordingtoanewstudyfromtheAmericanPsychologicalAssociation. Likelytriggers?Cellphonesandsocialmedia. MoreUSadolescentsandyoungadultsinthelate2010svsthemid﹣2000sexperiencedseriouspsychologicaldistressmajordepressionandmoreattemptedsuicide自杀saysleadresearcherJeanTwengeprofessorofpsychologyatSanDiegoStateUniversity.Thesetrendsareweakornon﹣existentamongadults26yearsandoversuggestingagenerationalshiftinmooddisordersinsteadofanoverallincreaseacrossallages. Twengebelievesthistrendispartiallyduetotheexplosionofdigitalcultureoverthepastdecadewhichmayhavetwistedmodesofsocialinteractionenoughtoaffectmooddisorders. ThestudyanalyzeddatafromtheNationalSurveyonDrugUseandHealthwhichtrackeddrugandalcoholuseandmentalhealthissuesinmorethan200000youthsaged12to17from2005to2017andalmost400000adultsfrom2008to2017. Majordepressioninthelast12monthsincreasedby52percentinkidsfrom2005to2017and63percentinyoungadultsaged18to25from2009to2017.Therewasalsoa71percentjumpinyoungadultsexperiencingseriouspsychologicaldistressintheprevious30daysfrom2008to2017. Sowhat'ssodifferentnow?Twengesaysresearchshowsyoungpeoplejustaren'tgettingasmuchshuteyeastheydidinpreviousgenerations. WhereasolderAmericansmighthaveestablishedmorestabilityintheirlivessleep﹣disruptingsocialstressorsarelikelyattheirpeakforteensandyoungadultsinthisdigitalerashesays.Olderadultsarealsolesslikelytoletdevicesinterfere干预withsleep. Theseresultssuggestaneedformoreresearchtounderstandhowdigitalcommunicationversusface﹣to﹣facesocialinteractioninfluencesmooddisordersandtodevelopspecializedinterventionsforyoungeragegroups. Hersuggestion?Putyourphonedownatleastanhourbeforebedtime. 1HowisParagraph6developed? A.Bystatingfacts. B.Bygivingexamples. C.Byprovidingstatistics. D.Bypresentingtheories. 2WhatmightProfessorTwengeagreewith? A.Mooddisordersshownodifferenceacrossallages. B.Teensarelesslikelytoletdevicesinterferewithsleep. C.Digitalculturalexplosionmightcausedepressioninteens. D.Thepastdecadehasseenasharpdecreaseinteensmentaldisorders. 3WhatdotheunderlinedwordssocialstressorsinPara8mean? A.Interactionmodes. B.Mentalhealthissues. C.Drugandalcoholuse. D.Cellphonesmidsocialmedia. 4Fromwhichisthetextprobablytaken? A.Abiologytextbook. B.Asciencemagazine. C.Atravelguidebook. D.Amedicalcase.
30分IwasoftentoldthatGodlovedme.Iwantedtobelievethatsomuch. Fornearlya1Iwasshuttledbetweenadoptivefamiliesandgrouphomes﹣14ofthem.Somefamilieswerenice.Otherswere2likeevilsinadarkfairytale.Attheageof12Iwasfinally3byGayandPhilCourteracouplewithtwoadultsons.GaysaidWelivedfora4andwebelievethatreasonisyou. I'dbeenliedtobyadultssomanytimesinthepastyears.Iwasn'tsurethey5lovedme.Therewillbeno6.AllthoseparentswereprettymuchthesameIsaidtomyself.I7tocallthemMomandDad.Iwasparticularaboutthehome﹣cookedmealsGay8prepared.Ihidinmyroomasmuchaspossible.Iwantedtomakethem9sothey'dshowtheirtruecolors. OneFridaynightintheeighthgradeIreally10thingstothelimit.Aneighborhoodgirlhadpersuadedmeto11outofthehousewithhertomeetsomeboys.IputAdvil镇痛药inmyparents'drinksafterdinner12itwouldmakethemsleepy.Wow!I'dneverseenthemso13.NowtheywouldsurelysendmebackIthought.Insteadtheysaid.Ashleywearefamilywehavenowheretosendyoubacktowemust14thislikeafamily. Iranin15tomybedroomwhereIspenttheweekend.SeeinghowmuchI'ddisappointedthemmademe16.Noonehadevercaredformelikethat.Ididn'tdeservethis17. SundaynightGaycameintomyroom.She18downandkissedmycheek.Loveyousweetieshesaid.ForthefirsttimeeverIkissedherback.LoveyoutooIsaid.Thatword﹣love﹣soundedso19yetfeltsotrue.Iwasdiscoveringthatloveiswhatmakesan20. 1A.fortnight B.week C.month D.decade 2A.cruel B.mad C.angry D.strange 3A.moved B.discovered C.adopted D.persuaded 4A.family B.kindness C.love D.reason 5A.possibly B.finally C.truly D.certainly 6A.point B.choice C.difference D.evidence 7A.started B.refused C.wanted D.agreed 8A.happily B.painstakingly C.willingly D.easily 9A.mad B.relaxed C.content D.shocked 10A.dragged B.proved C.pulled D.pushed 11A.run B.jump C.slide D.break 12A.discovering B.observing C.seeing D.thinking 13A.nice B.angry C.different D.cruel 14A.dealwith B.putdown C.lookthrough D.writedown 15A.joy B.tears C.anger D.laughters 16A.ashamed B.annoyed C.excited D.satisfied 17A.service B.honor C.honesty D.kindness 18A.bent B.took C.put D.broke 19A.different B.popular C.strange D.familiar 20A.group B.family C.adult D.union
1如图1在平行四边形ABCD中∠A＝30°AB＝6AD＝8将平行四边形ABCD分割成两部分然后拼成一个矩形请画出拼成的矩形并说明矩形的长和宽．保留分割线的痕迹 2若将一边长为1的正方形按如图2﹣1所示剪开恰好能拼成如图2﹣2所示的矩形则m的值是多少 3四边形ABCD是一个长为7宽为5的矩形面积为35若把它按如图3﹣1所示的方式剪开分成四部分重新拼成如图3﹣2所示的图形得到一个长为9宽为4的矩形面积为36．问重新拼成的图形的面积为什么会增加请说明理由．
10分ThreeinfivepeopleintheUKholdalibrarycard.Forsomethey'reashelterfromthestressesofday﹣to﹣daylife.1Ifyou'reconsideringjoiningyourlocallibrarynowisthetimetodoso.Andifyouneedanymoreencouragementhereareseveralreasonswhyyoushould. MostlibrariesintheUKallowmembersofthegeneralpublictocomeandgoastheylike.2Youcanalsotakeoutalibrarycardandborrowbooksforfreealthoughyouwillinevitablyfaceafineforlatereturns. 3Imaginejusthowmanybooksyouhaveatyourfingertipswithalibrarycard?Therearelotsofmodernonesaswellasoriginalsandyoucancontinuetoexpandyourlearningandvocabularyallthetime.It'sapricelessexperienceespeciallyforkidsandalsoagreatwaytoleveltheeducationalplayingfield. Librariesdevelopwithtimes.Theyhavechangedgreatlysincedecadesago.4Somelibrarieshaveappssoyoucanseewhenyourbooksareduebackandevenreservebooksinsomecases.Therearealsolibrarieswhichletyouaccessbooksindigitalformatsonyourmobiledevice﹣prettycool. Librariesareoneofveryfewspacesleftintownsandcitieswheremembersofthepubliccancometogetherandactuallybeandfeellikeacommunity.Theyhavenoticeboardstoofferserviceslikeexerciseclassesorlearningcenters.5. A.Librarieshelppeoplelearn. B.Librarieshelpeducatethekids. C.Theycreateagreatsenseofcommunity. D.Youcangoinsettledownandreadabookwithoutbeingchargedapenny. E.MostlibrariesnowhavecomputersandallowpeopletoborrowCDsandDVDs. F.Librarieshelpussavemoneyaswe'reborrowingbooksratherthanbuyingthem. G.Forothersparticularlythehomelessandpeopleinpovertyalifelinetotheworld.
30分AfriendwascastinTheSoundofMusic.Timsuggestedourdaughtersmightenjoybeinga1ofthemusical. Youcantryoutforthebandhesaid. NoI'mtryingoutfortheshow.Ianswered.Buttherewasoneproblemwithmy2I'dneverbeeninamusical.AndI'dneversung3. Mydaughterswantedto4sowememorizedshowtunesandpreparedtoaudition试镜.Asouraudition5Ifeltnervousandwantedtogiveup.ButIknew6wouldsetabadexample. Whetheryou're7ornotisn'timportant﹣doingyourbestiswho8I'dbeentellingthem.NowIhadtoliveit. Iwalkedintotheaudition.TosayIwas9wouldbeanunderstatement.Afterallmylastauditionhadbeeninhighschool.Isangmysongtryingtolookconfident.Mydaughtersdidagood10.Thenwewaitedfortheresult.Thegoodnewsisthatweall11it!NotonlywasIcast﹣Iwasalead! ToprepareI12tothecattheshowerandthedisheswhenaloneIknewI'dhavetogetovermy13ofperforminginpublic.Afterallthis'dbemyfirsttimetosinginpublic.Iwasalittlenervous. Itoldfriendsandfamilyaboutthe14.Ididn'twantthetheatertobe15butIdidn'tnecessarilywantitpackedeither.16ifitwerefullIpreferredtofillitmyselfwith17faces. Theshowwassuccessful.Friendsandacquaintancesall18us.AfterthatexperienceI19moreauditionsandevenlearnedtoenjoysingingonstage.AndIfilledmylifewiththesoundof20. 1A.director B.maker C.role D.singer 2A.declaration B.suggestion C.judgment D.production 3A.secretly B.loudly C.irresponsibly D.publicly 4A.tryout B.catchon C.tryon D.setoff 5A.ended B.approached C.failed D.continued 6A.lying B.quitting C.cheating D.talking 7A.found B.paid C.cast D.forgiven 8A.matters B.remains C.happens D.works 9A.happy B.curious C.nervous D.disappointed 10A.favor B.job C.deed D.survey 11A.got B.made C.caught D.reached 12A.spoke B.smiled C.danced D.sang 13A.laziness B.urge C.shortcoming D.fear 14A.show B.trouble C.band D.experience 15A.large B.noisy C.empty D.quiet 16A.Besides B.Therefore C.Anyhow D.However 17A.new B.attractive C.friendly D.similar 18A.welcomed B.noticed C.supported D.congratulated 19A.organize B.braved C.watched D.analyzing 20A.music B.life C.hope D.future
8分TheaverageAmericancheckshis/hersmartphoneonceeverysixandahalfminutesorroughly150timeseachday.Youprobablydothiswithouteventhinkingaboutit.Thiscaninfluencehowwellwefocusandthedegreetowhichwecanhavemeaningfulsocialcommunicationsespeciallyifwe'reconstantlyinterruptingourselveswithtechnology.Thisisagrowingproblemmoresoforyoungerpeople.Howeversomepeoplemightbemoreimmunetothisconstantinterruption.Manyolderadultsmayhavenotdevelopedthesecheckinghabitsandaremorefocusedonthepresent. Inourrapidlychangingworldwevaluespeedandefficiency效率Howeverthere'ssomethingtobegainedbybeingslow.WhenIfirststartedgivingpresentationstolargeaudiencesIwasarapidcommunicator.WithmymindracingamileaminuteItriedtosayeverythingIknewaboutatopictobethoroughbutInoticedthecrowddidn'tfollow.NowIhaveonlyonenotetomyselfthatIneedasareminderbeforebeginningapresentationPAUSE.I'llsetasidemoretimeforquestionsandgetmoreaudienceparticipationtoassessthe1evelinwhichmymessagehasbeenunderstood.Withpausesandtherightspeedclearmessageappearsoftenwithfewerwords. Thereisanotherchancetoslowdown.SlowingdowncanmakeyoumoreawareoftheSimpledangersofwalkingandfalling.Fallscanbeonemajorcauseofhurtsanddeathsinoldage.Thustakingtimetowalkdownstepsavoidingatripping绊倒dangerorbeingawareofslipperysurfacesisimportantatanyage. Todaythere'repartsofourlifethatstressthebenefitsofbeingslow.Andasweagewemightseethebenefitsofslowingdownalittlebit.Whileweoftenseektopreventtheprocessofagingonenecessityandpotentialbenefitofagingmaybetoappreciatethebenefitsofslowingenjoythehereandnowalittlebitmoreandnottoworrysomuchaboutthefuture. 1Howdoestechnologyaffectyoungerpeopleaccordingtotheauthor? A.Itimprovestheircommunicationskills. B.Itmakestheirlifepacemuchfaster. C.Ithelpsthemformanumberofgoodhabits. D.Itcausesdestructiveharmstotheirmemory. 3Whatmadetheauthorchangehis/herspeechstyle? A.His/Herhigh﹣speedthinkingability. B.His/Herfast﹣changingspeechtopics. C.Theaudiences'notparticipating. D.Theaudiences'notunderstandinghim/her. 3Wherecanyoufindthepotentialopinionthatslowingdownhelpstoadvoidphysicaldangers? A.Inparagraph1. B.Inparagraph2. C.Inparagraph3. D.Inparagraph4. 4Whatissuggestedinthelastparagraph? A.Goodthingsareworthappreciatingslowly. B.Beingslowisbecomingapopularlifestyle. C.Fewpeopleknowhowtoenjoybeingslow. D.Theoldtendtoenjoythebenefitofslowingmore.
LearntoCiteSources引用资料 Duringyouruniversityeducationyou'llbeexposedtoideasandscientifictheoriesofscholarsandscientists.Unavoidablyyourownideaswillbeshapedbytheideasyoucomeacross.1Thatmeansyoushouldgobeyondwhatyoulearninyourtextbooksorinthelibrary.Youroriginalworkisthebasisforyourprofessor'sevaluationofyourperformance.Thusacademichonestyisfundamentalinyouruniversityeducation.Itdemandsthatyoucitethesourcematerialsyoubaseyourownworkon.2. Correctlycitingyoursourceshelpsyoudistinguishyourownideasfromthoseofotherscholars.Onthereaders'sideitpermitsareadertodeterminethedepthofyourresearch.3Onthecontrarylackofcitingwillonlyraiseyourreader'sdoubt. Soyouneedtolearnwhentociteandhowtoprovideanadequateoraccuratereferencelist.Ifyoufailtociteyoursourceswhetherdeliberatelyorcarelesslyyouwillbefoundresponsibleforplagiarism抄袭.4Ifyouarenotsureaskyourprofessorforguidancebeforesubmittingthepaperorreport.Keepinmindthisgeneralrulewhenindoubtcite! 5ForexamplestudentsfromEastAsiamaythinkthatcopyingdirectlyfromsourcesistheproperwaytodoresearch.StudentsinFrancepreparingforthefinalexaminationmaybeencouragedtomemorizewholepassagesandcopythemintopapers.Thoseculturaldifferencescanleadtofalseassumptionsaboutacademicexpectationsinthecountryyoustudyin. A.Someuniversitystudentsmaycheatindifferentways. B.Theseincludeotherscholars'ideasfiguresgraphsandsoon. C.Theacademicchallengeyoufaceistomakesomethingoriginal. D.Oftenstudentswanttouseothers'opinionstosupporttheirownessays. E.Italsoallowsareadertoappreciateyouroriginalcontributiontotheresearch. F.Forinternationalstudentsitisimportanttoknowlocalacademicexpectations. G.Notknowingacademicregulationsisanunacceptableexcuseforsuchbehavior.
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