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甲、乙、丙三种固体物质的溶解度曲线如图所示．据图回答问题： （1）80℃时，甲物质的溶解度是 ． （2）t2℃时，把甲、乙、丙三种物质的饱和溶液降温到t1℃，溶质质量分数由大到小的是 ．...
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甲乙丙三种物质的溶解度曲线如图所示据图回答150℃时乙物质的溶解度是g230℃时三种物质的溶解度由大
甲乙丙三种固体物质的溶解度曲线如图所示请据图回答下列问题①℃时甲和乙两种物质的溶解度相等.②t3℃时
如图所示是甲乙丙三种物质的溶解度曲线在20℃时分别取等质量的三种物质的饱和溶液放入三只烧杯中然后向溶
根据图1和图2回答问题1在tl℃时等质量的甲乙两种固体物质在水中的溶解现象如图1所示要使剩余的甲固体
如图所示是甲乙丙三种物质的溶解度曲线在20℃时分别取等质量的三种物质的饱和溶液放入三只烧杯中然后向溶
如图所示是甲乙丙三种物质的溶解度曲线在20℃时分别取等质量的三种物质的饱和溶液放入三只烧杯中然后向溶
根据下图中Ⅰ和Ⅱ回答问题1在t1℃时等质量的甲乙两种固体物质在水中的溶解现象如图Ⅰ所示要使剩余的甲固
甲乙丙三种固体物质的溶解度曲线如图所示.据图回答问题①80℃时甲物质的溶解度是②t2℃时把甲乙丙三种
甲乙丙三种固体物质的溶解度曲线如图所示据图回答问题180℃时甲物质的溶解度是___2t2℃时把甲乙丙
如图为甲乙丙三种不含结晶水的固体物质溶解度曲线据图回答①图中物质的溶解度曲线与气体物质溶解度曲线受温
甲乙丙三种物质的溶解度曲线如图所示据图回答150℃时乙物质的溶解度是g230℃时三种物质的溶解度由大
甲乙丙三种物质的溶解度曲线如图所示.据图回答150℃时乙物质的溶解度是g230℃时三种物质的溶解度由
根据图1和图2回答问题图2中ab分别表示甲乙两种物质的溶解度曲线1在t1℃时等质量的甲乙两种固体物质
25.5分如图所示是甲乙丙三种物质的溶解度曲线在20℃时分别取等质量的三种物质的饱和溶液放入三只烧杯
甲.乙.丙三种物质的溶解度曲线如图所示据图回答150℃时乙物质的溶解度是g230℃时三种物质的溶解度
甲乙丙三种固体物质的溶解度曲线如图所示.据图回答问题180℃时甲物质的溶解度是.2t2℃把甲乙丙三种
甲乙丙三种物质的溶解度曲线如图所示据图回答150℃时乙物质的溶解度是g230℃时三种物质的溶解度由大
甲乙丙三种固体物质的溶解度曲线如下图所示据图回答问题180℃时甲物质的溶解度是2t2℃时把甲乙丙三种
如图所示是甲乙丙三种物质的溶解度曲线在20℃时分别取等质量的三种物质的饱和溶液放入三只烧杯中然后向溶
甲乙丙三种固体物质的溶解度曲线如右图所示据图回答问题180℃时甲物质的溶解度是___2t2℃时把甲乙
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假定你是李华校学生会论感你校拟向一所在美国的姐妹学校图书馆捐赠一批中国经典文学图书以供该校学生阅读.请你给该校负责人写一封邮件内容如下: 1.自我介绍: 2.介绍这批书籍 注意: 1.词数100左右: 2.可适当增加细节以使行文连贯; 3.信的开头和结尾已给出不计入总词数. DearSir/Madam Yoursfaithfully LiHua
Beingyoungisassociatedwithallthegoodthingsinlife﹣beautyhopeandenergy.Butyouthalsohasnegativeassociations﹣impulsivenesstrouble﹣makingandirresponsibility.Thisnegativesideseemstobewhatsocietyfocusesonmorewhichiswhyyoungpeoplehavemostlybeenconsideredasidleanddifficult. ButwhenitcomestoGenerationZ﹣thosebornbetween1996and2010﹣thisstereotypedoesn'tseemtoapplyanymore. InJapanforexampleGenZ﹣ersarelesslikelytobuyonimpulsebuttakeintoconsiderationmoreaproduct'struevalue.They'relookingatthecompaniesnotjusttheproductsMasahikoUotaniCEOofJapanesecosmeticscompanyShiseidotoldBloomberg.They'reasking'AretheyreallydeliveringvaluetothesocietyAretheypromotingdiversityandinclusion GenZ﹣ersarealsomoregroundedthanwe'veexpectedthemtobe.AccordingtoarecentsurveybyBankofAmericamorethanhalfofyoungadultsagedbetween18and23saidtheywereplanningtobuyahousewithinfiveyears.Andthey'renotjustsayingit﹣theyarewillingtomakesacrificesforitincludinggettingasecondjobandsavingmoneyfordownpaymentinsteadofspendingitonavacation. DespitetheiryoungagethisgroupispragmaticandactivelyplanningfortheirfutureD.SteveBolandheadofConsumerLendingatBankofAmericatoldUSAToday.Theyhaveaclearvisionhowtheyarewillingtohelpthemselvesinordertomakeithappen. SocialissuesarealsoatthecenterofconcernofGenZ﹣erswhotakethemselvesasachangingforceoftheworld.InIndiaforexampleyoungpeoplewhohavejustreachedthevotingageareeagertovoteforanewleaderwhoiscapableofsolvingproblemsthatmatterthemosttothemincludingpollutionunemploymentandwomen'ssafety. AsaGen﹣Zeryourselfwhatisyourplanforthefuture 1Whatdotheunderlinedwordsthisstereotypeinparagraph2referto A.Beingyoungisgood. B.GenZ﹣ersarebornafter1996. C.Thetraditionalpoorimpressionsontheyouth. D.Theassociationswithyoungpeople. 2Wecaninferfromthethirdparagraphthat. A.GenZ﹣ersinJapanarepicky B.TheGenZ﹣ersareself﹣centered C.TheGenZ﹣erscarelittleaboutproducts D.TheGenZ﹣ersarewisewhenshopping 3What'sSteveBoland'sattitudetotheGenZ﹣ers A.Approving. B.Negative. C.Indifferent. D.Critical 4WhichofthefollowingwordsmaybestdescribetheGenZ﹣era A.Confidentandindependent. B.Visionaryandresponsible. C.Persistentanddown﹣to﹣earth. D.Activeandcreative.
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TheEnvironmentalFilmFestivalhasbecomeoneoftheworld'sgrandestsupportersoftheenvironmentalfilm.Toofferfreshviewsonglobalenvironmentalissuesthisyear'sfestivalwillincludearecordof190filmsfrom50countries.including110premieres首映.Herearejustafewofthehighlights. 1.HotWater Featuredamongthefestival'sopeningnightfilmsisthehighlyexpectedHotWateralook2thedepressingdestructiveeffectsofuranium铀miningintheAmericanWest.FormerUS.RepDenisKucinich.whoranforpresidentin2004and2008isfeaturedinthefilmalongwithfilmmakersElizabethKucinichandLizabethRogersDirectedbyKevinFlintand 2.TotheWonder TotheWonderisthelatestfilmbywill﹣knownAmericanDirectorTrrenceMalick.ThefilmanexplorationoflovesetagainstthepowerofnaturestarsBenAleckOlgaKurylenko.RachelMcAdamsandJavierBardemThefilmpremieredincompetitionatthe2012VeniceFilmFestivalandismakingisWashingtonD.Cpremiereduringthefestival. 3.Revolution ThisWashingtonD.C.premierepresentstheCanadianfilmmakerandenvironmentalactivistRobStewart'snewworkRevolutionanurgingcrytotoday'syouthtochangetheplanetbeforeit'stoolate.Theaward﹣winningdocumentarytakesStewartthrough15countriesoverfouryearsinanefforttofindthesecrettosavetheecosystemswerelyonforsurvival. 4.TheFifthSeason BeautifulandmysteryJessicaWoodworth'slatestfeatureTheFifthSeasonisapoeticmeditationEAonnatureinbattleagainsthumans.ThedramaticnarrativetakesplaceinBelgium'ssecretArdenneswherethelocalsrelyonthelandbutnaturetakesaturnandseemstogoonmysteriousstrikeInFrenchandFlemishwithEnglishsubtitles.DirectedandproducedbyWoodworthandPeterBrosens. 1Revolutionisintendedto. A.helpRobStewarttobeanactivist B.changetheyounggeneration C.appealtotheyoungtosavetheearth D.takeStewartthrough15countries 2Whichfilmwillyougotoifyouareapoemlover A.HotWater B.TotheWonder. C.Revolution. D.TheFifthSeason. 3Whatdoweknowaboutthefourfilms A.Theytellsomethingnewaboutenvironmentproblems B.EnvironmentalFilmhasbecomethegrandestfilm C.Theyareallabouthumans'negativefretsontheecosystem D.Theywillbefirstlyshownonthisyear'sfestival
8分OnWednesdayJanuary13thIperformedonstageforthefirsttime.Assomeonewhotakespartinsomanyactivitiesit'sextremelydifficulttofindthetimetobeapartofanyproduction.Formeitwasaonce﹣in﹣a﹣lifetimeopportunitytotryactingthroughtheSeniorPlayProject. Auditions试镜camefirst.Theyweren'tparticularlydifficultmoretoseewhomaybeabetterfittorcertainroles.Weweretoldourrolesinthevariousplaysandstartedtoworkimmediately. IwasunsureofhowIwasasanactorandIhadtolearnalotfastactionsmyplaceinthestorymyreactionsandcountlessothersmalldetails…AsIbegantoimproveasanactorIwasabletounderstandmycharactersbetter. MyfirstcharacterisamannamedRogerwhoisasenioradvisortoapresidentialcandidateinaplaycalledTheSpot.He'sashort﹣temperedguywhosayswhathewantsandtakeswhathewantstoassisthiscandidateintoday'stoughpoliticalraces.He'sonthesetofTheSpotanadvertisementforthecandidatetomakesureeverythingrunssmoothlyandthatanyproblemsaredealtwithquicklyandefficiently. WhileIhadreallyinterestingcharactersandtheplayswerefunnyandsuchagreatexperiencetoactinIreallylovetheSeniorPlayProjectforthepeople.Iworkedwith12otherseniorswhonotonlylovedwhattheyweredoingbutofferedhelpandadvicethroughoutmyentirelearningprocess. Betweenthelightssoundscostumeandmakeupandplentymoretheatreisateamsportjustlikebasketballorbaseball.Therearenosmallpartsthereisnoonewhoisn'tneeded.I'velearnedtoappreciatelivetheatreandtheeffortthateverypersonintheshowbothonstageandoffstageputsintoit. 1Howdidtheauthorfeelaboutbeingintheproject? A.Lucky. B.Tired. C.Nervous. D.Confident. 2WhatdoweknowaboutthecharacterRoger? A.Hemeanswhathesays. B.Heputsupanadvertisement. C.Hegivesadvicetothecandidate. D.Heisrunningforpresident. 3Whatdoestheauthorlikemostabouttheproject? A.Thepeople. B.Theplays. C.Thecharacters. D.Thecostume. 4Whatcanbeasuitabletitleforthetext? A.TheSeniorPlayProject. B.ActingfortheFirstTime. C.WhatMakesaGoodActor. D.ALessonLearntthroughActing.
15分CalligraphytheartofwritingwasthevisualartformprizedaboveallothersintraditionalChina.Paintingwascontemporarywithcalligraphysharing1sametools﹣namelybrushandink.Yetcalligraphywasregarded2afineartlongbeforepainting. ThestatusofcalligraphyreflectstheimportanceofthewordinChina.3makesthewrittenwordsdistinctiveisitsvisualform.Howeverdespiteitsabstract4appearcalligraphyisnotanabstractform.Chinesecharactersaredynamiccloselyconnectedwiththeforcesofnatureandthekinesthetic运动energiesofthehumanbody. Howcanasimplecharacterconveyallthis?Theuseofbrushandink5havemuchtodowithit.Acalligraphercancontrolthe6thickoftheinkbyvaryingboththeamountofwaterandthesolidink.Oncehestartswritingbyloadingthebrushsometimeswith7muchinkorsometimeswithlesshecreatescharactersthatresembleashowerofrockshereandadropofdew露珠there. TheChinesewrittenlanguage8begintodevelopmorethan3000yearsagoand9eventualevolvedintofivebasicscripttypes.Overthecenturiescalligrapherswerefreetowriteinanyofthem10dependonthetext'sfunction.Thecalligraphictraditionremainsalivetoday.
△ABC中∠C＝90°BC＝12AB＝13那么sinA的值等于
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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.
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
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
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.
二次函数y＝x2+bx+c的图象如图所示则x2+bx+c＝0的两根分别是．
据报载有关数据计算精确度越来越高飞船发射偏差仅为0.0000104这个数用科学记数法应表示为．
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
HowtoCultivateConfidence Whenfacedwithabigchallengewherepotentialfailureseemstoappearateverycornermaybeyou'llhearthisadvice:Bemoreconfident.1Takethebeliefthatyouarevaluableworthwhileandcapablealsoknownasself﹣esteem.Confidenceturnsthoughtsintoaction.Itcomesfromthegenesyouarebornwiththewaypeoplegetusedtotreatingyouaswellasthechoicesyoumake.Whileitisn'tpossibletocompletelyseparatethesethreefactorsthepersonalchoiceswemakeobviouslyplayamajorroleinconfidencedevelopment.Asaresultbykeepinginmindcertainpracticaltipswedoactuallyhavethepowertocultivateourownconfidence. 2Ifyou'relookingforalong﹣termchangeconsiderthewayyouthinkaboutyourabilitiesandtalents.DoyouthinktheyarefixedatbirthorthattheycanbedevelopedThesebeliefsmaterbecausetheycaninfluencehowyouactinthefaceofsetbacks.ifyouhaveafixedmindsetmeaningthatyourtalentsarelockedinpaceyoumightgiveupassumingyou'vediscoveredsomethingyou'renotgoodat.Butifyouhaveagrowthmindsetandthinkyourabilitiescanimproveachallengewillbecomeanopportunitytolearnandgrow.Neuroscience神经学supportstheJatter.Theconnectionsiryourbraindogetstrongerandgrowwithstudyandpractice.3 Practicingfailureisamust.Failurehappens.4.J.K.RowlingwasrejectedbytwelvedifferentpublishersbeforeonepickedupHarryPotter.TheWrightBrothersbuiltonhistory'sfailedattemptsatflightbeforedesigningasuccessfulairplane.Studiesshowthatthosewhofailregularlyandkeeptryinganywayarebetterequippedtorespondtochallengesinaconstructiveway.5Sothinkofachallengeyouwanttotakeonrealizeit'snotgoingtobeeasyacceptthatyou'llmakemistakesandbekindtoyourselfwhenyoudo.You'llfeeltheexcitementknowingthatwhatevertheresultyou'llhavegainedgreaterknowledgeandunderstanding. A.Butwhatisconfidence B.Socanconfidencebeeasilycultivated C.Everyoneispossibletoencounterfailure. D.Beingatalentedpersonisquitenecessary. E.Theylearntotrydifferentstrategiesandpersevere F.Believinginyourabilitiestoimproveisthefirststep. G.Italsoturnsoutthatpeoplewithagrowthmindsetarebetteratdealingwithchallenges
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. Theworldseemstobefacingtwoproblem.Oneisthattoomanypeoplearedangerousover﹣weighted.Thistypeofproblemcalledobesity肥胖症.Obesityiswhenapersonhavemorethan25﹣30percentofbodyfat.Theotherproblemisaillnesscalledanorexia厌食症.Thisiswhenpeoplearedangerouslythinwearelessthan85%oftheirnormalbodyweight.Alloftheseproblemsareveryseriousbecauseofthebodycannotworkproperlywhenitistoofatortoothin.Theheartliverkidneysandlungswillnotbeabletokeepthebodyhealth. Peoplecandiefromillnessescausingbybeingtoofatortoothin.
如图1是一块长为60cm的正方体薄铁片制作的一个长方体盒子如果要做一个没有盖的长方体盒子可先在薄铁片的四个角上截去四个相同的小正方形如图2然后把四边折合起来． 1求做成的盒子底面积ycm2与截去小正方形边长xcm2之间的函数关系式 2当做成的盒子的底面积为900cm2时试求该盒子的容积．
小明的身高为1.8米某一时刻他在阳光下的影长为2米与他邻近的一棵树的影长为6米则这棵树的高为
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.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. WhenIwaseightmyfatherboughtmethenewbikeformybirthday.Mybrotherofferedtoteachmehowtoride.Atfirsttheyrodeandletmewatching.Thenheexplainedmetheskillsofcontrollingthebike.StillpuzzlingIgotonthebikebutitdoesn'tmoveasexpected.Ilostmybalanceandfalloffthebike.AtonceIburstintotearbecauseIsawbloodontheground.WhileIstoodupmyleftleghurtbad.LaterIlearnedtorideabike.Butthisexperiencetoldmethatthoughsomelessonswerepainfultolearnthemyetwecouldbenefitalot.
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.
计算0+﹣1﹣﹣|﹣1|．
TodayMountQomolangma'speakisnotalonelyplaceanymore.Over3500peoplehave1successfulclimbedthemountainoverthepastyear.Meanwhileclimbershavecomplainedabout2waitforhoursinthebottlenecks. Infactthedangerous3crowdaren'ttheonlyproblem.Allthoseclimbersneed4bringalotofgear装置andmuchofthemendsupbeingleftonthemountains.becomingtheworld's5tallrubbishdump. Butthegoodnewsis6somemountaineersareovertakingittocleanupQomolangma.MountaineersPaulandEberhardarepartofEcoEverestExpeditionwhichhasbeencleaninguprubbishsince2008.Sofarthey7collectover13tonsofgarbage. Someofthatrubbishisevenbeingusedfor8higherpurpose.AspartoftheMountEverest8844ArtProject.agroupof15artistsNepalcollected1.5tonsofgarbage.They'vechangedthecansandoxygentanksinto74pieceofartthathaveareexhibited9Nepal'scapital.Partoftheprofitfromsales10beavailablefortheEverestPakeersAssociationwhichhashelpedolerubbishofthemountain.
甲骑自行车乙骑摩托沿相同路线由A地到B地行驶过程中路程与时间的函数关系的图象如图所示．根据图象可知 ①先出发的是填“甲”或“乙” ②甲的行驶速度是公里/分 ③乙的行驶速度是公里/分
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
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.
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