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如图，在边长为1个单位长度的小正方形组成的12×12的网格中，给出了以格点（网格线的交点）为端点的线段AB． （1）将线段AB向右平移5个单位，再向上平移3个单位得到线段CD，请画出线段CD． ...
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如图网格中每一个小正方形的边长为1个单位长度.1请在所给的网格内画出以线段ABBC为边的菱形ABCD
在正方形网格中我们把每个小正方形的顶点叫做格点连接任意两个格点的线段叫网格线段以网格线段为边组成的图
如图在边长为1个单位长度的小正方形组成的网格中△ABC的顶点A.B.C.在小正方形的顶点上将△ABC
如图在3×4的网格中每个小正方形的边长都是1个单位长度定义以网格中小正方形的顶点为顶点的正方形叫作
5个
6个
7个
8个
如图在边长为1个单位长度的小正方形组成的网格中△ABC的顶点A.B.C.在小正方形的顶点上.将△AB
如图所示在边长为1个单位长度的小正方形组成的网格中点A.B.都是格点则线段AB的长度为.
如图是由若干个边长为1的小正方形组成的网格请在图中作出将蘑菇ABCDE绕A.点逆时针旋转90°再向右
问题现有5个边长为1的正方形排列形式如图①请把它们分割后拼接成一个新的正方形.要求画出分割线并在正方
在正方形网格中我们把每个小正方形的顶点叫做格点连接任意两个格点的线段叫网格线段以网格线段为边组成的图
如图在单位长度为1个单位长度的小正方形组成的正方形网格中点ABC在小正方形的顶点上.在图中画出与关于
如图1将由5个边长为1的小正方形组成的十字形纸板沿虚线剪拼成一个大正方形需剪4刀思考发现大正方形的面
在正方形网格中我们把每个小正方形的顶点叫做格点连接任意两个格点的线段叫网格线段以网格线段为边组成的图
如图在长度为1个单位长度的小正方形组成的正方形网格中点A.B.C.在小正方形的顶点上.1在图中画出与
如图在12×6的网格图中每个小正方形的边长均为1个单位⊙A.的半径为1⊙B.的半径为2要使⊙A.与静
正方形网格中的每个小正方形边长都为1每个小格的顶点称为格点如图1中正方形的面积为5则此正方形的边长为
如图所示在4×4的正方形网格中的每个小正方形边长都是1画出两个边长为无理数的两个正方形且使它的每个顶
如图在边长为1个单位长度的小正方形组成的网格中给出了格点△ABC顶点是网格线的交点和点A.1.利用网
如图在边长为1个单位长度的小正方形组成的网格中给出了格点△ABC顶点是网格线的交点和点A1.画出△A
如图在长度为1个单位长度的小正方形组成的正方形网格中点A.B.C.在小正方形的顶点上.1在图中画出与
如图1纸上有五个边长为1的小正方形组成的图形纸我们可以把它剪开拼成一个正方形如图2.1图2中拼成的正
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Ourhomegalaxy星系theMilkyWaymakesforaprettyspacepictureanditlooksnormalatadistance.Butanew3Dmaprevealsasurprise_____.TheMilkyWayisaspiral漩涡型的galaxyinwhichstarsandgascloudsexistmainlyinitsspiral'arms'.OurmassiveneighbortheAndromedagalaxy仙女座isalsospiral.Spiralgalaxiesusuallyappearveryflatandeasytoseethroughatelescopesaidtheresearchers.Using1339largepulsating脉冲的starstomakea3DmapoftheMilkyWayresearchersdiscoveredinsteadthatthegalaxy'sdiskofstarsisincreasinglytwistingmostlikelyduetothespinningofthedisk.Andthefartherthestarsarefromthecenterthemoretwisteditbecomes.Previouslyastronomerssawevidenceofhydrogencloudsbecomingwarped弯曲的intheMilkyWayThisisn'tcompletelyabnormalbecauseastronomershavenoticedthesamepatternofprogressivelytwistingspiralsinaboutadozenothergalaxies.Butitdoeshelpthemmakemoresenseofourgalaxy.Becauseweliveinthisgalaxythatmakesithardertoobserveanddustandstarlightmakeitevenmoredifficultwhenusingtelescopes.Tryingtodeterminewhatourgalacticcenterlookslikeissimilartotryingtofindthecenterofaforestyou'restandingin.'ItisextremelydifficulttodeterminedistancesfromtheSuntopartsoftheMilkyWay'soutergasdiskwithouthavingaclearideaofwhatthatdiskactuallylookslike'leadstudyauthorXiaodianChenoftheChineseAcademyofSciencesinBeijingsaidinastatement.FromafartheMilkyWayappearslikeathinrotating旋转的diskofstarsorbitingthecentereveryfewhundredmillionyears.Inthecenterhundredsofbillionsofstarsanddarkmatterholdthegalaxytogether.Butasyoumovetowardtheoutermostreachesofthegalaxythegravitationalglueofthecenterfades.IntheouterdiskthiskeepshydrogengasfrombeingrestrictedwhichcontributestoanS﹣shapedwarping.'Somewhattooursurprisewefoundthatin3Dourcollectionof1339starsandtheMilkyWay'sgasdiskfolloweachotherclosely.Thisoffersnewinsightsintotheformationofourhomegalaxy'RicharddeGrijsseniorstudyco﹣authorandprofessoratMacquarieUniversity'sDepartmentofPhysicsandAstronomysaidinastatement.'PerhapsmoreimportantlyintheMilkyWay'souterregionswefoundthattheS﹣likestellar星的diskiswarpedinaprogressivelyTwistedspiralpattern.'Sothemassiveinnerdisk'srotationalforcecausestheouterdisktowarptheresearchersconcluded.'Thisresearchprovidesacrucialupdatedmapforstudiesofourgalaxy'sstellarmotionsandtheoriginsoftheMilkyWay'saidLicaiDengco﹣authorandseniorresearcherattheChineseAcademyofSciencesinastatement.1Whichofthefollowingmightbethemissingsentenceinthefirstparagraph?A.TheMilkyWayisbeingwarpedandtwistedbyitsstars.B.TheMilkyWayisspiralandorbitingitselfallthetime.C.Theformationofourhomegalaxyisduetotheforceofgravity.D.TheoriginoftheMilkyWayliesinitsrotationalforce.2Whatdoestheunderlined'this'referto?A.theMilkyWayB.thegravitationalglueC.thefadingofgravityD.theoutermostreachofthegalaxy3Whichofthefollowingistrueaccordingtothepassage?A.Thegalaxyweliveinisuniqueforitsspecialspirals.B.ThestarsinthecenteroftheMilkyWayaremoretwisted.C.Thedistancefromthesuntootherstarsisalreadyknowntoscientists.D.TherotationofitsinnercenterforcestheMilkyWaytotwist.4Whatisthesignificanceofthisfinding?A.ItrevealswhytheMilkyWayisaflatandspiralgalaxy.B.Itleadstoabreakthroughofusing3Dtechnologyinspaceresearch.C.ItprovesapreviouswayofobservingtheMilkyWaywhilewearelivinginit.D.ItcontributestoourknowledgeabouttheMilkyWay.
Canetoadsalsoknownasbuffotoadsareyetanotherinvasive入侵speciesthathasfoundahospitablehomeinwarmsouthernFlorida.DeliberatelyintroducedfromSouthandCentralAmericainthe1930stheyweresupposedtocontrolbeetlesdamagingthesugarcanecrop﹣that'showtheygotthename'canetoads'.Canetoadscanposeaparticulardangerbecausetheadultonesshoottoxin毒素fromtheirbackwhenattacked.Thetinytoadsdon'tcarryenoughtoxintobedeadlyyetbutbigadultonescaneasilysendadogintoaseizure疾病发作orevenkillit.Thetoxinis'veryviscousandwouldstickinsidethedog'smouth'saysSteveJohnsonawildlifeecologistattheUniversityofFlorida.Ownersshouldtrytowipeoutanaffecteddog'smouthandimmediatelytakeittothevet.TilfordstartedToadBustersin2017.Thewomanwholivedtherehadninecatswhichshefedbydumpingalmostabagofcatfoodeverynight.Canetoadsnormallyeatbugsbuttheyarehappytoeatpetfoodtoo.CanetoadshaveadaptedbeautifullytotheFloridasuburbssoalotofTilford'sworkalsoinvolvesgettingpeopletorethinktheirsuburbanbackyard.Nomorecatfood.forexample.Petpoop粪便canalsoattractinsectswhichcaninturnattracttoads.AsdolightsAndtoadslovetobreed繁殖inattractivepoolsofwatersuchasthelakeintheaffectedPalmBeachGardenneighborhood.For'theselargercommunitiesthatwanttobuildthesebeautifulpondsandwanttohavehousesonponds'Tilfordsaid'thisisalmostapest﹣controlservice.'Thecanetoadsaren'tgoingawaybuttheycanbemanagedlikemosquitoesorrats.DealingwithtoadsamountstoanannoyingthinginFloridabuttheycanalsocreatemoredramaticproblems.InAustralia﹣wheretheywerealsodeliberatelyintroducedinthe1930stoprotectsugarcane﹣theyareagenuinescourge灾祸.TheissueisthatAustraliahasnonativetoadspeciessononeofthepredators食肉动物knewhowtoavoidthetoxictoads.Asthecanetoadsadvancedeasttowestacrossthecontinent'theyleftawakeofdeadanimalsintheirpaths'saysSeanDoodyanecologistattheUniversityofSouthFloridaatSt.PetersburgwhohasstudiedcanetoadsinAustralia.Turtleslizardsandcrocodilesjuststarteddyingoutwhichwasgoodnewsfortheirprey受害者'Ifyouwereasmallspeciesthatwaspreviouslybeingeatensuddenlyyou'reonahoneymoonsaysRickShineabiologistatMacquarieUniversityinSydneyAustraliawhohasalsostudiedtheimpactofcanetoadsonAustralianwildlife.1Whatcancanetoadsbedescribedas?A.InvasivespeciesintroducedtoSouthAmerica..B.NaturalenemiesofbeetlesdamagingsugarcaneC.Dangerousspeciesmakingactiveattacksondogs.DAgreatthreatpresentedtosomewildlifeecologists.2WhichmightbetheproperwayofavoidingcanetoadsaccordingtoTilford?A.Abandonthesuburbanbackyard.B.Lightupthebackyardatnight.C.Controlthenumberoflargehouses.D.Keeppetfoodawayfrombackyard.3WhathappenedinAustraliaaftercanetoadsbeingintroduced?A.Canetoadsdestroyedsomefoodchains.B.Mostofthepredatorsdiedoftoadtoxin.C.Canetoadsbredatamuchslowerpace.D.Bigspecieslearnedtoavoidcanetoads.
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DotherightThingInlifepeoplefeelmostsatisfiedwhentheychooseoptionsthatsidewiththeirmostdeeplyvalues.Here'showtostaytruetoyours.Ifyouhopetohaveyourlifeshapedaccordingtoyouridealsyouhavetoknowwhatthoseidealsare.Perhapsbeginsessionsbyidentifyingtheconceptsthataremostimportantfromalisthonestystructurefamilyandsoon.Thosequalitiesareinfluencedbyyourparents.yourcultureandsocietyasawholebutyouhavetotakeownershipofyourowndecisions.Almostallofthesequalitiesarethingsmostofusdesiretoholddear.Todeterminewhichprinciplesaremorethanjustdesiresreflectonsituationsthatresonatetngwithyourself.Identifyingyourvalueswillguideyouintherightdirectionbutafewstrategiescanhelpyoufollowthrough.Beforeyoumakeabigdecisiondosomethingthatwillputyouinhighspiritsexercisesocializewithfriendsvolunteer.Researcherstheorizethatsuchactivitiesimproveourmoodwhichpromotesdopaminelevelsincertainareasofthebrainimprovingourcognitiveabilitiesandhelpingusweighdifferentoptions.Troubleisthetoughestdecisionsoftenarriveatthemostinconvenienttimes.whenyou'reunderforce.askafamilymember.afriendor.incertaincasesaprofessionalforadvice.Theycanprovideadvicethat'snotslightlyinfluencedbytheworkdeadlineorleakyroofgraduallyweakeningyourmentalenergy.Ofcourse.peoplemakedecisionsthatcontradicttheiridealsallthetime.TherearelotsofvaluesweholddearandtheyfrequentlycomeintoconflictwithoneanotherIt'snotsomuchthatpeopledon'tknowwhattheywantit'sthattherearemanythingswedesireandwedon'talwaysknowhow.Whileasingledecisioncanseemlikeatug﹣of﹣warbetweencompetingdesiresbroaderlifechoicesdon'tneedtobeadefinitiveeither/orquestion.Onewholikestravelingworldwidemighttemporarilyputoffagrandtriptoexplorelocationsclosertohomeorcommittosettingasidetimeforvacationwiththeirfamilyeverysummernomatterwhatelsecomesup.Surroundyourselfwithpeoplewhobesidessharingyourpassioncanalsopreventyoufromhesitating.AgroupcanremindyouHeyweredoingthisbecauseweloveit.'Ifyou'restillstruggling.evenafterseekingoutcommunitysupportthere'snoshameinrevisingyourcorevalues.Ifyou'redeterminedtotakepartinacharityprogrambutspendtheeveningwithfriendsinsteaditmaybetimetoacceptthatfriendshipismoreimportanttoyouthanvolunteerism.Betteryetfindopportunitiestocontinuethecharityprogramwithyourfriends.Youmaylearnthatwhatyoubelievedwasacorepriorityactuallyhasmuchmoretodowithlivinguptowhatyourparentsco﹣workersorothersexpect.Ifyourvaluesagreewithwhoyoureallyarenoiewillhavetoaskyoutomakethosechoices.
AmongallthetouristattractionsinSydneythemagnificentOperaHouseistheshiningstar.OntheedgeofBennelongPointatongueoflandstickingoutintoSydneyHarborthisUNESCOWorldHeritageSiteconsistsofacomplexofroofsshapedlikehugeshellsorbillowingsailsthatmixbeautifullywithitswaterfrontlocation.Todayvisitorscanadmirethegreatbeautyofthebuilding.Muchmorethananoperahousethestructureencompasses包含theatersstudiosaconcerthallrehearsalandreceptionroomsrestaurantsandaspectacularopen﹣airforecourtoverlookingtheharborandcity.AmericanarchitectLouisKahnoncesaid'Thesundidnotknowhowbeautifulitslightwasuntilitwasreflectedoffthisbuilding.'TipsandTacticsBookseatsforproductionswellinadvance.Performancescommencepromptlysovisitorsshouldallowenoughtimetoaccessthebuildingcollectticketsandstowcloakslargebagsandjackets.Considerenjoyingamealinoneoftherestaurantstoenjoythestunningharborviews.OneofthebestsitestophotographtheOperaHouseisMrs.Macquarie'sChairintheRoyalBotanicGardensorfromthewateraboardaharborcruise.GettingtotheSydneyOperaHouseVisitorscancatchaSydneyBustravelbyCityRailorhopaboardaSydneyFerrytoCircularQuaywhichisa5to7minutewalkfromtheSydneyOperaHouse.Afreeshuttlebusforelderlyandmobility﹣challengedpatrons顾客runsbetweenCircularQuaynearStandEundertheCahillExpresswayandtheVehicleConcourse.BikeparkingisavailableundertheSydneyOperaHouseMonumentalSteps.Wilson'sSydneyOperaHouseCarParkislocatedat2MacquarieStwithvehicleaccessnexttotheSydneyOperaHouseForecourt.AdmissionTicketpricesvaryfromattractiontoattraction.LocationBennelongPointSydney.1WhichofthecharacteristicsofSydneyOperaHousemightattractvisitorsmost?A.Itshistoricalcontext.B.Itsuniquearchitecture.C.Itswaterfrontlocation.D.Itssuperbharborviews.2IfyouareavisitortoSydneyOperaHouseyoucan.A.takeaferrydirectlytoSydneyOperaHouseB.rideafreeshuttlebuswithoutanyrestrictionsC.takeanequallygoodphotofromanyangleD.driveacarto2MacquarieStandparkthere
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Humanloveisn'tneatlyorderedoreasilypredictable.Butthatdoesn'tmeanthatmathematicshasn'tgotsomethingbecauseloveaswithmostoflifeisfullofpatterns.Mathematicsisbasicallyallaboutthestudyofpatternpatternsfrompredictingtheweathertothefluctuations起伏inthestockmarkettothemovementoftheplanetsorthegrowthofcities.Andifwe'rebeinghonestnoneofthosethingsareexactlyneatlyorderedandeasilypredictableeither.SoletustalkabouthowtopickaperfectpartnerusingahitofmathematicsthatiscalledOptimalStoppingTheory.Imaginethatyoustartdatingwhenyou're15andideallyyou'dliketobemarriedbythetimethatyou're35.Andthere'sanumberofpeoplethatyoucouldpotentiallydateacrossyourlifetimeandthey'llbeatvaryinglevelsofgoodness.Themathsaysthenthatwhatyoushoulddointhefirst37percentofyourdatingwindowyoushouldjustrejecteverybodyasseriousmarriagepotential.Andthenyoushouldpickthenextpersonthatisbetterthaneverybodythatyou'veseenbefore.Ifyoudothisitcanbemathematicallyproveninfactthatthisisthebestpossiblewayofmaximizingyourchancesoffindingtheperfectpartner.ButunfortunatelyIhavetotellyouthatthismethoddoescomewithsomerisks.Forinstanceimagineifyourperfectpartnerappearedduringyourfirst37percent.Nowunfortunatelyyou'dhavetorejectthem.Nowifyou'refollowingthemathsI'mafraidnooneelsewillappearthat'sbetterthananyoneyou'veseenbeforesoyouhavetogoonrejectingeveryoneanddiealone.Okayanotherriskislet'simagineinsteadthatthefirstpeoplethatyoudatedinyourfirst37percentarejustincrediblydullboringterriblepeople.Nowthat'sokaybecauseyou'reinyourrejectionphase.Butthenimaginethenextpersontocomealongisjustslightlylessboringdullandterriblethaneverybodythatyou'veseenbefore.NowifyouarefollowingthemathsI'mafraidyouhavetomarrythemandendupinarelationshipwhichisfranklynotmostsatisfying.Okaysothismethoddoesn'tgiveyoua100percentsuccessratebutthere'snootherpossiblestrategythatcandoanybetter.AndactuallyIalsothinkthatsubconsciouslyhumanswedosortofdothisanyway.Wegiveourselvesalittlebitoftimetoplaythefieldgetafeelforthemarketplaceorwhateverwhenwe'reyoung.Andthenweonlystartlookingseriouslyatpotentialmarriagecandidatesoncewehitourmid﹣to﹣late20s.Ithinkthisisconvincingproofifeveritwereneededthateverybody'sbrainsareprewired天生的tobejustalittlebitmathematical.Thereforeitcanbemathematicallyproventhatthisisthebestwaytofindtheperfectpartner.
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TheurgetoshareourlivesonsocialmediaPeoplehavelongusedmediatoseereflectionsofthemselves.Longbeforemobilephonesorevenphotographydiarieswerekeptasawaytounderstandoneselfandtheworldinwhichonelives.Inthe18thand19thcenturiesasdiariesbecamemorepopularmiddle﹣classNewEnglandersparticularlywhitewomenwroteabouttheireverydaylivesandtheworldaroundthem.Thesediarieswerenotaplaceintowhichtheypouredtheirinnermostthoughtsanddesiresbutratheraplacetochronicle记录thesocialworldaroundthem.Thediariescapturedtheeverydayroutinesofmid﹣19th﹣centurylifeandwomendiaristsinparticularfocusednotonthemselvesbutontheirfamiliesandtheircommunities.Diariestodayareforthemostpartprivate.ButthingsweredifferentfortheseNewEnglanddiaries.Youngwomenwhoweremarriedwouldsendtheirdiarieshometotheirparentsasawayofmaintainingkin血缘relations.Whenfamilyorfriendscametovisititwasnotuncommontositdownandgothroughone'sjournaltogether.Diariesarenottheonlymediathatpeoplehaveusedtodocumentlivesandsharethemwithothers.Wehavelongusedmedialikephotoalbumsbabybooksandevenslideshowsasameansofcreatingtraces痕迹ofourlives.Wedothistounderstandourselvesandtoseetrendsinourbehaviour.Wecreatetracesaspartofouridentityandpartofourmemory.Sharingeverydaylifeeventscanstrengthensocialconnectionandintimacy亲密感.Forexampleyoutakeapictureofyourchild'sfirstbirthday.Itisnotonlyadevelopmentalmilestonethephotoalsostrengthentheidentityofthefamilyunititself.Theactoftakingthephotoandproudlysharingitfurtherreaffirms再次证实oneasagoodandattentiveparent.notherwordsthemediatracesofothersfigureinourownidentities.Today'ssocialmediaplatformsarebyandlargefreetouseunlikehistoricaldiarieswhichpeoplehadtobuy.Todayadvertisingsubsidizes补贴ouruseofnetworkedplatforms.Thereforetheseplatformsencourageuseoftheirnetworkstobuildlargeraudiencesandtobettertargetthem.Ourpicturesourpostsandourlikesarecommodified﹣﹣thatistheyareusedtocreatevaluethroughincreasinglytargetedadvertising.Insteadofsocialmediamerelyconnectingusithasbecomeacraze狂热forinformationcontinuallytryingtodrawusinwiththepromiseofsocialconnectivity﹣﹣it'ssomeone'sbirthdaysomeonelikedyourpictureetc.There'samultibillion﹣dollarindustrypullingusintooursmartphonesrelyingonalongstandinghumanneedforcommunication.Theurgetobepresentonsocialmediaismuchmorecomplexthansimplynarcissism自恋.Socialmedidofallkindsnotonlyenablepeopletoseetheirreflectionsbuttofeeltheirconnectionaswell.
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﹣Iwonderwhatchancethereisofmepassingbytheoldplaceswithoutthinkingofyou.﹣.Timecuresallwounds.A.Mypleasure B.Don'tmentionit C.Ican'tagreemore D.Nevermind
AlarmingheadlinessuggestoneinfourteenagegirlsintheUKareself﹣harmingmotivatedbysexdiscriminationandpressurestolookgoodinaselfie自拍society.ThesestoriescomefromareportbyUKcharityTheChildren'sSocietybasedonanongoingsurveyof11000childrenaged14.Amongthegirls22percentsaidtheyhadself﹣harmedwhileboys9percent.Butwhilethetermself﹣harmimprovesimagesofteenagerscuttingthemselvesthatmaythankfullybeonlythemostextremeendofabroaderrange.Inthissurveyparticipantsweremerelyaskediftheyhad'hurtthemselvesonpurposeinanyway.Somecouldhaveansweredyesforthingslikepunching击拳awallindissatisfactionordeliberatelygettingfalling﹣downdrunk.Otherscouldhavethoughtthequestionincludedmentalhurt.Suchself﹣destructivebehaviourwouldnaturallybeofconcerntoparents.butwouldn'tbethatunusualforteenagers.MaxDavieahealthpromotionofficerdoesbelievethatself﹣harmamongteensissomewhatontherise﹣﹣butthinksthequestioninthissurveywasnotspecifenoughtorevealitsrealuniversality.Thelatestheadlinesjoinanongoingaccountaboutamentalhealthcrisisintoday'syouth.SomeblamecutbacksinsocialserviceswhileotherspointtoalooseningofsexualstandardsteensatriskForthosecautiousofnewtechnologiesitissocialmediaorthelatestpopularcomputergames.Butsuchreportsalsodeservesomeskepticism.Claimsofhighratesofdepressionareusuallybasedonsurveyswithveryloosenon﹣medicalcriteria.Thankfullyclinicaldepressionisstillrareinthisagegroup.Infactadifferentandregularlyrepeatedsurveyhasfoundnochangein11﹣to﹣15﹣year﹣old'shappinesswithlifeasawholebetween1995and2016Nordidtheirsatisfactionwiththeappearancechangewhichmakesitstrangetoblametheselfieculturefortheapparentself﹣harmincrease.ThissurveycalledUnderstandingSocietyevenfoundimprovementinhappinesswithfamilyandschoolworkoverthatperiod.ThesemoreoptimisticfindingswerealsointhelatestChildren'sSocietyreportbutwereburiedatthebottomoftheirpressrelease.Daviethinkstheriseinself﹣harmmaynotbeduetoariseinunhappinessbutsimplythatthisagegroupnowseesself﹣harmasamoreculturallyacceptablewaytoexpressextremesufferings.'itmaybethatpreviouslypeopledidn'tknowthatthiswassomethingyoucoulddo.Ifpeoplearetalkingaboutsomethingandnormalizingitit'sprobablymorelikelythattheirpeerswilldoit.'Ifthatisthecaseitisallthemorereasonnottomakeself﹣harmseemmorecommonthanitreallyis.1InresponsetothesurveyreportedbyTheChildren'sSocietytheauthorbelieves.A.thesurveyisunscientificasitaskedveryspecificquestionsB.theself﹣destructivebehaviorforteensisworryingtoparentsC.thenumberofself﹣harmingteensisalarmingbecauseofselfiesD.theimagesofteens'self﹣harmarebecomingmorespecific2WhatdoesMaxDaviethinkofself﹣harmamongteenagers?A.Thesituationistooworrying.B.Theriseissomewhatbeneficial.C.Theproblemisactuallywidespread.D.Thephenomenonisnotsouniversal.3WhatcanweknowfromthesurveycalledUnderstandingSociety?A.Teenagersinthepastlivedahappierlife.B.Selfiecultureisresponsiblefortheincreaseofself﹣harm.C.Thereisnoconnectionbetweenself﹣harmandselfie.D.Withselfieteenagersaremoresatisfiedwiththeirappearance.4Thelasttwoparagraphsmainlyimplythat.A.self﹣harmresultsfromtoomuchpressureB.self﹣harmistheresultofsocialdevelopmentC.teensneedcorrectguidancefromtheoutsideD.teensshouldavoidfollowingpeersexamples
ImproveYourCraftWithTheseHelpfulGuidesDIYMFAITEM#T7995ByGabrielaPereiraRETAIL﹩19.99ONLINEPRICE﹩8.99.DIYMFAisthedo﹣it﹣yourselfaltemativetoaMasterofFineArtsincreativewriting.BycombiningthethreemaincomponentsofatraditionalMFA﹣writingreadingandcommunity﹣itteachesyouhowtocraftwonderfulstoriesengageyourreadersandpublishyourwork.TroubleshootingyournovelByStevenJamesITEMT9747RETAIL﹩19.99ONLINEPRICE﹩10.99Inthishands﹣oneasy﹣to﹣useguideaward﹣winningauthorStevenJamesprovideshelpfultechniquesandcheckliststimesavingtricksofthetradeandhundredsofquestionsforanalysisandrevisionoftheoriginalwork.MakeasceneByJordanRosenfeldITEN#R4981RETAIL﹩I7.99ONLINEPRICE﹩9.99*AakeaScenetakesyoustep﹣by﹣stepthroughtheelementsofstrongsceneconstructionanddemonstrateshowtheessentialaspectsofawonderfulstory﹣includingcharacterlotanddramatictension﹣functionwithintheframeworkofindividualscenes.DamnFineStoryITEM#R1990ByChuckWendiRETAIL﹩18.99ONLINEPRICE﹩12.99Greatstorytellingismakingreaderscareaboutyourcharactersthechoicestheymakeandwhathappenstothem.Andtotelladamnfinestoryyouneedtounderstandwhyandhowthatcaringhappens.UsingamixofpersonalstoriespopfictionexamplesandtraditionalstorytellingtermsNewYorkTimesbestsellingauthorChuckWendigrillhelpyouinternalizethefeelofpow.※Salespriceslistedonthelinecanbediscountedasmuchas80%withlargequantities.VisittheWDShopatwritersdigest.comformoreinformation.1Whodoesthebestincombiningtheauthorsownlifeexperiencesinwriting?A.GabrielaPereiraB.StevenJamesC.JordanrosenfeldD.ChuckWendig2Howmuchmaybesavedifastudentbuysonebookonlinetoimprovehiscompletedwork?A.﹩11.B.﹩9.C.﹩7.2D.﹩4.8
Ts是一种人工合成的超重化学元素元素符号为Ts元素名称为下列说法正确的是
BeingsoathleticandcourageousHuaMulanwasn'tofmostyoungwomenofher. A.guilty B.cautious C.typical D.skeptical
Withpeoplepayingattentiontofitnessself﹣servicemini﹣gymseachcoveringabout5squaremetersinChina'smajorcitiestheseyears. A.havesprungup B.sprangup C.hadsprungup D.springup
﹣LookingbackoninyearsgonebyandthegoodtimethatIhadmakestodayseemrathersad.﹣Absolutely.Somuchhaschanged.A.howitwas B.whoitwas C.howwasit D.whowasit
下列化学式与指定物质的主要成分对应正确的是
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