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请用所学化学知识解释下列原理． （1）我国禁止生产、销售、使用超薄塑料购物袋，并实行塑料购物袋有偿使用制度．这样做的主要目的是 ． （2）市售“自热米饭”的自加热原理：饭盒夹层中的水与生石灰...
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化学与人类生活生产有着密切的联系12017年5月我国首次海域可燃冰试采成功可燃冰主要含有甲烷水合物请
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请用所学化学知识解释下列原理.1实验室常温制取氧气的原理2用化学方程式表示.2在实验室里常发现装满生
请用所学化学知识解释下列现象1餐具上的油污可以用加洗洁精的水洗掉说明洗洁精具有作用2夏天鱼池内需要增
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请用所学化学知识解释下列原理1给煤炉生火时用于引火的木柴应架空而不宜紧密堆在一起其目的是什么2日常生
化学无处不在请用所学的化学知识解释为什么煤炉火越扇越旺而蜡烛一扇就灭.
请用所学的化学知识解释下列现象1NaOH在生活中可用来去除油污是因为氢氧化钠能与_______反应2
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运用所学知识解释下列做法1用酒精灯火焰的焰心给试管加热导致试管炸裂2氮气作食品包装袋中的保护气3用石
请用所学化学知识解释下列原理1洗涤剂能除去油污是因为它具有功能2在铁制品表面涂油刷漆或镀铬等都能防止
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12分UniversityofNewSouthWaleshaslauncheditsnew12﹣monthWomeninMaths&ScienceChampionsProgramdesignedtogivewomentheskillsandconfidencetobuildtheirpublicrecognitionandsetupaconnectednetworkofwomeninmathsandscience.Thefirstgroupof30femalePhDstudentsstartedinAugustthisyearandthesecondgroupof19early﹣careerresearcherswasformallyannouncedyesterday. Overthe12monthsthechampionscompleteatleast20hoursofrelatedactivitiesaspartofacommunityofrepresentativeswhowillinfluenceandinspirewomentopursueacareerinmathsandscience.Theactivitiesarevariedrangingfromvisitingschoolsandconductingsciencepresentationstoattendingconferencesandcreatingcontentforsocialmedia.AttheendoftheprogramPhDchampionshavethechancetoapplyeverythingthey'velearnedtothePostgraduateResearchCompetition.Aboveallparticipatingisarequirementforprogramcompletion. RoseO'DeaamemberofthefirstgroupisaPhDcandidateattheSchoolofBiologicalEarthandEnvironmentalSciences.ShesaidI'mexcitedabouttheopportunitytoworkwithschoolchildren.Ihopetoinspiresomegirlssotheyseenotallscientistsareoldermeninlabcoalsandthatscienceisquitediverseandmeansdifferentthingsdependingonwhoyouare. Dr.MarianaMayerPintoisanearly﹣careerresearcherattheSchoolofBiologicalEarthandEnvironmentalScienceswhereshemainlyworkswithmarine海洋的ecologists.SheisoriginallyfromBrazilandsaidthatbeingawomanfromadevelopingcountrymeantsheknewthestrugglesthatlackofrolemodelscancreate.Youcan'tbewhatyoucan'tsee!IalwayshavethehopethatIcanchangetheworldbitbybitandifonelittlegirlsaysshecanbecomeascientistbecauseItalkedtothemthat'dbeawesomeandthatwouldmakeeverythingworthit. 1Whatistheprogramintendedtodo? A.TestfemalePhD'slearningresults. B.Promotetheequalityofmenandwomen. C.Setupanorganizationforwomenscientists. D.Improvewomen'sparticipationinmathandscience. 2Whatisrequiredifaparticipantwanttocompletetheprogram? A.Topersuadeasleastonefemaletotakeupscience. B.Toparticipateinatleast20hoursofrelatedactivities. C.Toapplywhattheyhavelearnttotheirgraduationpaper. D.Toworkasarepresentativetogivepresentations. 3WhatdoesRoseO'Deathinkaboutscience? A.Varied. B.Inspiring. C.Unchangeable. D.Exciting. 4What'sthepurposeofthelastparagraph? A.Tosharehowfamilybackgroundmatters. B.Toshowtheoverallresultsofthisprogram. C.Toaddanexampleofhowaparticipantfeels. D.Totellofrolemodelstoencouragefemalestudents.
8分Almostnoneofushavethetimetoreadeverythingwe'dliketoread.Yetwelosecountlesshourstodailyactivitiesthatbringuslittlejoyliketakingbusesandwaitinginline.Whatifwecouldturntheselittleblocksofunoccupiedtimeintopreciousandrewardingmomentsforlearningandreflection? Foundedin2012iReaderamicro﹣learningapponmobilephonesbringsthebiggestideasfrombest﹣sellingbooksthrough15﹣minuteaudio音频andtext.Sofarmorethan3000bookshavebeenincludedrangingfrompsychologyandparentingtomanagementandeconomicswithnewtitlesaddedeveryday. iReaderispioneeringanewmethodofreadingwithover9millionusersenjoyingthebenefitsalready.AccordingtothePewResearchCenterPRCtheBritishreadjust4paperbooksayearandover25%haven'treadasinglepaperbookthisyearbutreadingisn'tdying.TherearenowmorewaysfortheBritishtoreadthaneverbeforeduetothewidespreaduseofe﹣booksandaudiobooks. ThebooksiniReaderarerewrittentoensureitiseasytorememberthemaincontent.Thewaythecontentiseditedhasbeenspecificallydesignedtoensureitisusefulinpractice.Besidesthecontentisrewrittenwithrelevantexamplesinreallifewhichmeansusersaremorelikelytorememberandapplywhatishelpfultothem. HolgerSeimGermanco﹣founderofthisappdeclaresiReadergivesyouthebiggestideasintheshortestpossibletime.Ittransformsgreatideasintolittlepacksyoucanlistentoorreadinjust15minutes. 1Whatdoestheauthorsuggestpeopledointheunoccupiedtime? A.Readandthink. B.Writeandshare. C.Avoidtakingbuses. D.Bringjoytodailyroutines. 2WhatcanweinferfromthePRCfindings? A.TheBritishbenefitalotfromreading. B.Readingmethodsaremoreimportantthanbefore. C.Digitaltechnologyaretakingtheplaceofpaperbooks. D.NewformsofbooksarechangingthewaytheBritishread. 3HowdoesiReadermakethecontenteasytoremember? A.Bybringingfuntoit. B.Bymakingituseful. C.Byusingartisticdesigns. D.Bytakingusersasexamples. 4Whatisthebesttitleforthetext? A.iReaderPreventsReadingfromDying B.iReaderUnitesWorldwideBook﹣lovers C.iReaderTheBestNewAppCreation D.iReaderBigIdeasinSmallPackages
15分ThetraditionalChineselunarcalendardividestheyearinto24solarterms.AwakeningofInsects惊蛰1fallonMar6andendsonMar20thisyear. AwakeningofInsectssignalsariseintemperatureandincreasedrainfall.Asthe2threesolarterminthelunaryear3itnamesuggeststhefactthatanimalssleepinginwinterareawakened4springthunderandthattheearthbeginstocomebacktolife.Itisthekeytimeforspringagricultural5activity.Itisalsoagoodtimeforpeopletoenjoyfunoutdoorsespeciallyforpeoplelivinginthecity.6drivetothesuburbsfishinginalakeorenjoyingthesingingbirdwillmakeforaperfectweekendinspring.Themostpopularfruitinthisseasonispears. EatingpearsaroundtheAwakeningofInsects7beawidely﹣practicedcustominChina.Astheweathergets8warmandtheairbecomesdrierpeopletendtofeeltheirmouthsandtonguesaredry9cancausecoldsorcoughs.Apearissweetjuicyandcoldmoistening湿润thelungstoarrestacough.10pearsarehighlyrecommendedduringtheAwakeningofInsects.
8分AninternationalteamofresearchersfromtheUniversityofOxfordhavefoundthatthewaypeopleusetheInternetiscloselytiedtotheseasonalmovementsinthenaturalworld.Theironlinespeciessearchesfollowthepatternsofseasonalanimalmigrations迁徙. Migratorybirds候鸟floodbacktowheretheyreproduceeveryspring.Thatmigratorybehaviorisaccompaniedbysomehumanbehavior.InEnglish﹣languageWikipedia维基百科theonlinesearchesformigratoryspeciestendtoincreaseinspringwhenthosebirdsarriveintheUnitedStatessaidtheleadauthorJohnMittermeier. Andnotjustbirds.Mittermeierandhisteamsurveyednearly2.5billionWikipediasearchrecordsfor32000speciesacross245languages.Theyalsosawvariablesearchratesforinsectshorsetailsandfloweringplants.SeasonaltrendsseemedtobewidespreadinWikipediabehaviorformanyspeciesofplantsandanimals. Thisfindingsuggestsnewwaystomonitorchangesintheworld'sbiologicaldiversity.Italsoshowsnewwaystoseehowmuchpeoplecareaboutnatureandwhichspeciesandareasmightbethemosteffectivetargetsforconservation. Mittermeierisencouragedbythesearchresults.HecommentedIthinkthere'saconcernamongconservationists生态环境保护者thatpeoplearelosingtouchwiththenaturalworldandthatthey'renotinteractingwithnativespeciesanymore.Andsointhatsenseitwasreallyexcitingandquiteunexpectedformetoseepeople'sWikipediainterestcloselyrelatedtochangesinnature. RichardGrenyerAssociateProfessorfromtheUniversityofOxfordsayssearchdataisusefultoconservationbiologistsByusingthesebigdataapproacheswecandirectourattentiontowardsthedifficultquestionsinmodernconservationwhichspeciesandareasarechangingandwherearethepeoplewhocarethemostandcandothemosttohelp. 1Whathaveresearchersfoundaboutspeciessearches? A.Theystrengthentiesamongpeople. B.Theyaffecttheanimalmovements. C.Theydifferinlanguagebackgrounds. D.Theyreflectanimalmigrationseasons. 2WhatisthepurposeofwritingParagraph3? A.Tosummarizetheresearchprocess. B.Tofurthersupporttheresearchfindings. C.Toshowthevarietyofspeciessearches. D.Topresentresearchers'heavyworkload. 3HowdoesMittermeierfeelaboutthesearchresults? A.SatisfiedwithWikipedia'sservice. B.WorriedaboutWikipediabehavior. C.Amazedatpeople'scareaboutnature. D.Sadaboutpeople'snotgettingclosetonature. 4WhydoesRichardthinksuchsearchdataisuseful? A.Ithelpstoaimatconservationtargets. B.Itincreasesinterestinbigdataapproaches. C.Itkeepstrackoftrendsinbiologists'work. D.Itpushespeopletosolvedifficultproblems.
8分At930a.m.onaWednesdaymorningIreceivedanotification通知thatI'dalreadypickedupmyphone30timesthatday!11leftuntilyougooveryourgoalof41pickupsmyscreenread.Putyourphonedownuntil952a.m.!Enjoyyourtimelivinginthemoment. TheseupdatesweresentviaMomentanappthattracksmyscreentimecreatedbyKevinHoleshin2014tofighthisowndeviceaddiction.Hewasworkingasanindependentappdeveloperspendinghourseachdaystaringatscreens.AfterworkHoleshfoundthathewaslookingmindlesslyonlineinsteadoftalkingtohiswifeortakinghisdogsforawalk. IwantedawayofseeinghowmuchtimeIwassinkingintomyphonehesaid.SoIcameupwithsomethingthatcouldmonitormyscreentime.Holeshfoundthathewasspending75minutesonhisphoneaday.Headdedafunctiontotheappthatinformedhimwheneverhisscreentimewasmorethan40minutes.MyphonewouldmakeasoundlikeabeeandI'dgoanddosomethingelse.Itwaslikealittleangelonmyshoulderpushingmeintherightdirectionhesaid.HoleshfiguredthatifthesystemworkedforhimitwouldworkforothersandlaterthatyearhemadeMomentafreeapp.Todateithasbeendownloaded8milliontimes. BesideMomentalsohasacoachfunctionofferingguidedprogramstohelpusersfocusandbemoreproductivefor＄7.99amonth. IamsomuchhappierIsleepbetterIreadmoreItakebettercareofmyselfandmostofallIampresentinmyday﹣to﹣daylifeJackausersaid.SimilarcommentsonMomentreflectagrowingconsciousnessarounddigitalwellnessthenamegiventolifestylepracticesthatencouragehealthydeviceuse. 1WhatdoestheinspirationofMomentcomefrom? A.Thecreator'sownexperience. B.Thesoundmadebyhoneybees. C.Complaintsfromfamilymembers. D.Thewidespreaddigitaladdiction. 2WhatdoesMomentdoattheexpectedscreentime? A.Monitorthescreenandkeeparecord. B.Makeanoisetoremindtheuser. C.Turnoffthephoneimmediately. D.Forcetheusertotakearest. 3WhatdoestheauthorintendtodoinParagraph4? A.Persuadereaderstobuytheapp. B.Providereaderswithsomeadvice. C.Recommendacoachtothereaders. D.Introducemoreinformationoftheapp. 4Inwhichpartofawebsitewillyoufindthistext? A.FashionandBusiness. B.SportsandEntertainment. C.HealthandLifestyle. D.ArtandDesign.
30分Two﹣year﹣oldNancyisdeaf.Howeverthathasn'tstoppedherfrombeingan1littlegirltryingtochattoanyoneshemeets.Assoonasshegoesoutintotownwithherparentsshestarts2inthehopethatthepersonsheistalkingto3signlanguagetoo. Normallyhearinglossisasocial4forthosewhodon'tknowhowtousesignlanguage.AnyoneNancytriedtotalkto5thisandfeltsosorrytheycouldn't6.Theywishedtheycould7herandsaysomethingbackbuttheyfoundthemselvescompletely8. Thensomethingamazinghappened.Insteadofcausinga9thisbarrierbroughtthecommunity社区together.Determinedto10signlanguagesothattheycouldtalktoNancyher11hiredaninstructorontheirownandnowtheyare12totakingclassestogether.Theteacher13thatthisisreallyremarkablebecausequiteofteneventheparentsofdeafchildrendon't14tolearnthelanguage.ButhereNancyhasafullcommunitythatissigningandcommunicatingwithheranditisa15story. TheteacheralsosaysthatthislevelofinclusionwillmakeahugedifferenceinNancy's16.Italmostcertainlyguaranteesthatshewillbeahappierandmore17individualinthefuture.Nancy'sparentsarealreadynoticinga18intheirdaughterandtheyhavenowordstoexpresshow19theyaretotheirneighbors. Withalittlegirlandalotoflovetheneighbors20maketheneighborhoodacommunity. 1A.independent B.helpful C.outgoing D.generous 2A.signing B.cheering C.waving D.smiling 3A.accepts B.appreciates C.recognizes D.knows 4A.mistake B.barrier C.conflict D.stress 5A.discussed B.ignored C.realized D.denied 6A.respond B.apologize C.return D.agree 7A.inspire B.protect C.trust D.understand 8A.atrisk B.insurprise C.ataloss D.inahurry 9A.debate B.separation C.complaint D.panic 10A.create B.learn C.translate D.improve 11A.classmates B.parents C.teachers D.neighbors 12A.devoted B.opposed C.accustomed D.addicted 13A.warns B.predicts C.admits D.regrets 14A.fail B.bother C.hesitate D.refuse 15A.relaxing B.popular C.satisfying D.beautiful 16A.plan B.hearing C.life D.opinion 17A.well﹣adjusted B.mature C.well﹣behaved D.considerate 18A.potential B.belief C.strength D.difference 19A.friendly B.grateful C.important D.familiar 20A.truly B.almost C.merely D.even
JustasJohnLubbocksaidwemaysitinalibraryandyetbeinallquartersoftheearth.Herearesomeofthecoolestlibrariesoftheworld. StuttgartCityLibrary Despiteaclassicwhite﹣on﹣whitecolorStuttgartCityLibraryisoneofthemostvisuallyappealingmodernlibraries.TheamazingmodemandsimplelookistheproductoftheKoreanarchitectYiEun﹣young.TheGermanlibraryopenedin2011andcostnearly80millioneurostoconstruct. KanazawaUmimiraiLibrary ArchitectsfromtheCoelacanthK&HArchitectsstudiodesignedtheKanazawaUmimiraiLibrarylocreatethebestreadingenvironment.Healedfloorsanoutpouringofnaturallightandotherfeatureswerespecificallyincludedloachievethisgoal.Thewallwhichconsistsofthousandsoftinyopeningsallowsnaturallightingintothebuildingimprovingtheoverallfeelofthespace.ThisJapaneselibrarywasopenedin2011andreflectstheappearanceofmanymodemandsimplespaces. LibraryofCongress In1800CongresssetuptheLibraryofCongressinWashingtonD.C..FifteenyearslaterThomasJeffersonofferedhispersonallibrarytoreplacebooksthatwerelostwhentheBritishsetthebuildingonfirein1814.Hisbookswhichtooknearly50yearstocollectvariedfromtextsonscienceliteratureandphilosophytobooksinavarietyofforeignlanguages.ThesedaystheLibraryofCongressoffersmorethan155millionitemsandthelargestrarebookcollectioninNorthAmerica. StateLibraryofVictoria TheSlateLibraryofVictorialocatedinMelbourneAustraliaisoneofthelargestexhibitinglibrariesintheworld.Thoughitopenedin1856majorrepairstookplacebetween1990and2004.TheLaTrobeReadingRoomisoneofthelibrary'smainattractionsduetoitsvisuallyamazingarchitecture.Thelawnatthelibrary'sfrontattractshundredsofcityfolkeachdaywhogatherforlunchortoenjoythestatuesthere.Thelibrarycurrentlycontainsovertwomillionbooksaswellasarmor盔甲ofNedKellyafolkheroagainsttherulingclass. 1Whichlibraryhasthelongesthistory? A.StuttgartCityLibrary. B.KanazawaUmimiraiLibrary. C.LibraryofCongress. D.StateLibraryofVictoria. 2What'sspecialaboutStaleLibraryofVictoria? A.Ithasgreatarchitecture. B.Ithasafolkhero'sstatueinit. C.Itistheworld'slargestexhibitinglibrary. D.Itservesasameetingplaceforthecitizens. 3Whatdoesthefirsttwolibrarieshaveincommon? A.Theyareconstructedinthemodernstyle. B.Theycostalargeamountofmoney. C.TheyaredesignedbyKoreanarchitects. D.Theyfeatureprovidingreaderswithnaturallight.
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我市民营经济持续发展2013年城镇民营企业就业人数突破20万．为了解城镇民营企业员工每月的收入状况统计局对全市城镇民营企业员工2013年月平均收入随机抽样调查将抽样的数据按“2000元以内”“2000元～4000元”“4000元～6000元”和“6000元以上”分为四组进行整理分别用ABCD表示得到下列两幅不完整的统计图． 由图中所给出的信息解答下列问题 1本次抽样调查的员工有人在扇形统计图中x的值为表示“月平均收入在2000元以内”的部分所对应扇形的圆心角的度数是 2将不完整的条形图补充完整并估计我市2013年城镇民营企业20万员工中每月的收入在“2000元～4000元”的约多少人 3统计局根据抽样数据计算得到2013年我市城镇民营企业员工月平均收入为4872元请你结合上述统计的数据谈一谈用平均数反映月收入情况是否合理
15分ChineseresearchershaveplannedtobuildanairportinAntarcticainNovember.TheChinese1benotveryusedtoflyingtothesouthernmostcontinentbecausethecountrysfirstpolarplanetheSnowEagle6012putintouseonlythreeyearsago. BeforetheSnowEagle601Chineseresearcherstraveledtotheice﹣coveredlandbyshipwhichtooksignificantly3longthanflying.Therearecurrentlymorethan20airportsinAntarcticabutnoneofthembelongtoChina.TheSnowEagle601hastorelyonRussianairports4takeoffandland.That's5theChineseresearchersdecidedtobuildtheirown.BuildinganairportinAntarcticaisverydifferentfrombuildingoneelsewhere.Thecontinentiscoveredbya6constantmovinglayeroficesothebuildersmustfindsomewherethatmovesattheslowestpossiblepaceandina7fixdirection. Thebuildersmanagedtofindaspotbackinearly2017following8toughmeasuringprocessthattookplaceinthestorm﹣likepolarwinds.Thenextproblemisthesnow.Thesoftnatureofsnowmakes9abadmaterialforarunway.Sothebuildersmustuseroadroller﹣like10machinetopressthesnowwhichcanbeverytime﹣consuminginextremecoldness.
15分Everyonewhohaslivedorworkedoverseasunderstandsthattravelisanenrichingandlife﹣changingexperience1Thatfrustrationoftenstemsfromcultureshockbutbeingabletoidentifythesymptomscanhelpyoueasethediscomfortandanxietyoflivinginanewplace.Therearefourmainstagesofcultureshockwhilestudyingabroadthatoccuratdifferenttimesforeachperson. TheHoneymoonStage.Thisiswheneverythingisnewandfascinatingaboutyourhostcountry.It'satthisstagethatyoumayfallinlovewithItalianpizzaortheIrishaccent.2You'refascinatedbysimilaritiesanddifferencesbetweenthehostcountryandyourhome. TheCrisis危机Stage.Thisiswhenthedifferencesbetweenyourhomecultureandthehostcountrybecomeapparentandfeelingsoffrustration沮丧oranxietyoccurs.Youreallywantajellysandwichtoremindyouofhomebutyourealizeyourhostcountrydoesn'thaveitanywhere.Theydon'tknowyoursenseofhumor.3 4Atthisstageyoubecomefamiliarwithyoursurroundingsanddeveloparoutine.Thesameconcernswilloccurbutyouwillbebetterequippedtohandlethem.Youhavemorefriendsincreasedsocialskillsandyou'veevenbecomeanexploreroftheculture.You'veregainedyourconfidencebecomemoreindependentcompetentandculturallysensitive.TheMasteryStage.Congratulations!You'veadjustedtothehostculture.You'vetakenaninwardandoutwardjourneythathasledtoimmeasurablepersonalgrowth.You'renowabletoliveandworktoyourmaximumpotential. 5YoucanconfidentlyspeakandunderstandmostcolloquialEnglish.You'vedevelopedmeaningfulfriendships.You'vesettled.Youbelong. A.TheDepressionStage B.TheAdjustmentStage C.Nobodyknowstherealyou D.butitcanalsobefrustrating E.butitmaybecostlytoliveinanewculture F.You'renolongerdistressedbyculturaldifferences G.You'rethrilledbynewsightssoundssmellsandevents
8分OnmyfirstdayofhighschoolgoingintomathclassIwaspointedandlaughedatbytwoofmyclassmates.Iinitiallythoughtmyflywasopenorthatsomethingwasstuckinmyteeth.ButasItookmyseatIheardonestudentwhisperWhyisablackboytakingHonors?Somyflywasn'topen.Anhonorslevelclasshadsimplybeentakenbyastudentwhoseskinwasbrown. Manypeoplethinkmyclothesshouldbebigenoughformetoliveinorexpectmetolistentoonlyblackmusic.Inseventhgradeagroupofmyclassmatesfixedtheircoldstaresonmyclothes.TheycalledouttomeGogetyourgangstaclothes.InoneofmySpanishclassestheteacheraskedmeDoyoulikerapmusicorrockmusicmore?IrepliedRock.Thelookofshockonmyclassmates'facesmademeuncomfortable. NowIstilltakeallHonorscourses.Istillwearclothesthatfitme.Mymusiclibrarycoversfromrocktopoptotechnoandalmosteverythinginbetween.WhenitcomestochoosingmyfriendsIamstillcolorblind.IcontinuetodomybesttoworkinschoolinordertoreachmygoalsandyetwhenIlookinthemirrorIstillseeskinofthatsamebrown. Ibelieveinbeingmyself.IbelievethatImyselfshoulddecidewhoIamandwhatactionsItakeinlife.Inhighschoolpopularityoftendependsonyourwillingnesstofollowtrends.AndI'vebeentoldthatitdoesn'tgetmucheasiergoingintoadulthood.Buttheonlyotheroptionistosacrificemypersonalityforthesatisfactionandapprovalofothers.ThiscanbeappealingbutI'mnotgoingtodothat. 1Whydidhisclassmateslaughathim? A.Hisflywasopen. B.Somethingwasstuckinhisteeth. C.Hewentintothewrongclassroom. D.Theyhadprejudiceagainsthim. 2Whatareblackpeopleusuallybelievedtodo? A.Listentorapmusic. B.Wearsmallclothes. C.TakeHonorscourses. D.AttendSpanishclasses. 3Whatdoestheunderlinedwordcolorblindprobablymean? A.Makingfriendsofthesameskincolor. B.Havingnoideawhatfriendstomake. C.Treatingpeopleequallyandfairly. D.Feelinghurtandoffendedinside. 4Whatcanbeasuitabletitleforthetext? A.FollowingPopularTrends B.BeingContentwithMyself C.HavingFaithinSkinColor D.ChangingMyPersonality
ApplicationWorkshop JoinCitizensCommitteeforNewYorkCityandtheNYCDepartmentofSanitationforaworkshopontheGreenTeamMini﹣GrantapplicationonFebruary2whichlastsfrom400PMto530PM! Theworkshopwillcover •ApplyingfortheGreenTeamMini﹣Grant •HowtousetheZeroWasteschoolswebsite CreativeCoding WearehostingafreedesignworkshopjustforgirlsonMarch7from430PMto600PMinsupportofInternationalWomen'sDay!ThefocusoftheworkshopisonCreativeCodingwithartandtechnologybutwe'llalsohaveafewfemaledesignerstosharetheiruniqueworkwiththeattendees. Noexperiencenecessarythiseventisforgirlsbetweentheagesof9﹣12. SAT&ACTRoadmaptoSuccess Inthisfree1﹣hourworkshopparentswilldiscovertheroadmaptoSAT&ACTsuccess.TopicsincludedReviewofgoalscoresforSAT/ACTcollegeadmissionsnationaltrendsincollegeadmissionshowtodeterminewhethertheSATortheACTisthebesttestforyourstudentstepstopreparefortheSatorACTbesttimetotaketheSatorACT.JoinusonMarch23. SquareSchoolFamilyInformationNight JoinusforourFamilyInformationNightonMarch14!We'llgatheratthefuturehomeforSquareSchoolforanintroductiontotheschoolmodelat630pm. Thiseventisintendedforfamilieswithyoungpeopleenteringgradessixorsevenin2019thatwanttobeapartofaschoolcommunitythatattachesimportancetoalifestyleoflearning.JoinusforthisFamilyInformationNighttoseeifSquareSchoolistherightchoiceforyourfamily. 1Whichactivityoffersinformationabouttests? A.CreativeCoding B.SAT&ACTRoadmaptoSuccess C.PublicSchoolGreenTeamMini﹣Grant D.SquareSchoolFamilyInformationNight 2WhatisspecialaboutCreativeCoding? A.Itisafreeworkshop. B.IttakesplaceinMarch. C.Itishostedbyfemales. D.Itisdesignedforgirls. 3WhomightbeinterestedinFamilyInformationNight? A.Designers. B.Teachers. C.Parents. D.Students.
行驶在水平路面上的汽车若把路面看成直线则此时转动的车轮与地面的位置关系是
25分假设你是李华你校学生会计划组织一次讲座内容有关你校外教Smith在纽约孔子学院学习中国书法的经历.请你给Smith写封电子邮件内容包括 1.介绍活动内容和目的 2.告知时间地点讲座的时长听众的人数 3.提出邀请. 注意1.词数100左右 2.可适当增加细节和发挥使行文连贯. 参考词汇孔子学院ConfuciusInstitute中国书法Chinesecalligraphy
TeenTourCampsatSummerCamps.com Rock﹣N﹣WaterChristianCamps LotusCaliforniaUnitedStatesDuration4weeks Foundedin1989Rock﹣N﹣WaterisagroupofhighlytrainedChristianswhowanttoimpactyoungpeoplewiththejoyofGod'sLivingWord.Wefocusourprogramonbiblicalprinciplesandweusethehelpofnaturefriendshipandchallengetodevelopcharacterandhaveridiculousamountsoffun. OdysseyExpeditionsCaribbean RoadTownTortolaDuration3weeks OdysseyExpeditionsofferstropicalsailingandscubadivingadventuresforteenagerswithmarinebiologywatersportsandscubacertificationsatexcitingCaribbeanlocations.Establishedin1995OdysseyisthebestopportunitytosafelyexploretheCaribbeanaboardabeautifulsailingcatamaran.Noexperiencenecessary.Reserveyourspotbeforeavailability.Smallgroupsof9﹣12allowyoutohavethemostfun! TheG2AcademyGolfCamp BlufftonSouthCarolinaDurationvariable ThesummerprogramatG2isdesignedspecificallyforgirlsempoweringthemfortheirfuturesuccess.Studentscanjoinweeklysessionsorstaytheentiresummer!WhileparticipatingintheG2AcademySummerProgramstudentsreceiveG2ProprietaryTrainingingolfmentaltoughnessphysicalfitnessnutritionandempowerment. Berklee'sAspireMusicPerformanceIntensive BostonMassachusettsUnitedStatesDuration5weeks Berklee'sAspirewillgiveyouatasteofBerkleethepreeminentinstituteofcontemporarymusicandtheperformingarts.WhetheryouareinmiddleschoolhighschoolorbeyondthereisaBerkleesummerprograminmusictheaterand/ordanceforyou.You'llenjoyaccesstoBerklee'sstate﹣of﹣the﹣artfacilitiesasyoulearnfromfacultywhoaretheverybestatwhattheydojoinedbystudentsfromallovertheworld. 1Whichtourcampdoyouneedtobookinadvance? A.TheG2AcademyGolfCamp. B.Rock﹣N﹣WaterChristianCamps. C.OdysseyExpeditionsCaribbean. D.Bcrklee'sAspireMusicPerformanceIntensive 2WhatistheprimaryfocusforBerklee'sAspiretourcamp? A.Adventure. B.Sports. C.Music. D.Religion. 3WhatisuniqueabouttheG2AcademyGolfCamp? A.Itoffersscubacertifications. B.ItisbasedonChristianprinciples. C.Itrequiresnopreviousexperience. D.Itisintendedforgirlsonly.
30分WhenFreddiearrivedtoperforminthehospitalroomPamworrieditwasalreadytoolate.Her88﹣year﹣oldstepfatherStrobelhad1beenmovedtothepalliative姑息治疗careunit.Pamcould2thatsomethinghadchangedinhim.AnursetoldherStrobel's3wasnear. You'reprobably4yourtimePamtoldFreddie.ButFreddie5withherwhatmedicalprofessionalshadtoldhim6maybethelastsensetogo. Letmegoinand7Freddiesaid.It'sasmuchforyouasitisforhim. Freddieisacountryandfolkmusician.Whenhewasinhischildhoodhismotherencouragedheryoungson's8talent.Whenshewasdyingofcancerheputtheir9ofsongstoitsgreatestuse.Hewouldcrawlintoherhospitalbedwithhisguitarand10herfavorites.Hismotherseemedtorelaxan11lookcrossingherface. Thatmomentallowedherandmeto12likeweusedtowhenIwassingingasakidFreddierecalled.Itemphasizedtohimthe13ofmusic.Whenhe14anon﹣profitorganizationcalledSwanSongswhicharrangedfreemusicallastwishesFreddiesignedupforthe15. ThatwasthecasewithPam'sstepfatherwhoenjoyed16musicandSwanSongssentFreddie.That'swhyFreddiearrivedatthehospitalthatdaywhenStrobelseemedreadytosay17Freddieplayedsomesongsandafter45minutesPamaskedforjustonemoresong.Freddie18LoveMe.HesangthelastnoteandStrobeltookhislastbreath. Ohmywejustexperiencedoneofthemost19momentsinourlives.Itwasagiftforusall.Atareallysadtimeitwas20saysPam. 1A.still B.just C.ever D.almost 2A.tell B.explain C.witness D.announce 3A.failure B.relief C.time D.recovery 4A.killing B.sparing C.spending D.wasting 5A.shared B.traded C.discussed D.exchanged 6A.Tasting B.Hearing C.Smelling D.Touching 7A.observe B.check C.negotiate D.play 8A.athletic B.creative C.musical D.literary 9A.love B.instruction C.choice D.assessment 10A.recite B.sing C.makeup D.pickup 11A.embarrassed B.regretful C.confused D.peaceful 12A.comfort B.pray C.connect D.escape 13A.power B.rhyme C.style D.sound 14A.setup B.brokeup C.heardabout D.talkedabout 15A.course B.program C.competition D.treatment 16A.modem B.popular C.classical D.country 17A.hello B.goodbye C.sorry D.no 18A.chose B.analyzed C.wrote D.enjoyed 19A.glorious B.difficult C.ridiculous D.magical 20A.delightful B.hopeful C.beautiful D.forgetful
能表示如图所示的一次函数图象的解析式是
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. 修改在错的词下画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. Theotherdaywemovedtothenewschoolyardwhereliesinthefarnorthofthecity.Wewereallonhighspirits.Itismuchbigthantheoldone.Theclassroomsarebrightandclean.Wehavealotofmodernequipmentmakingconvenientforstudentstolearneverysubject.Nowwecanhavealotofafter﹣classactivityonthenewplayground.Ourteachersoftenplaythebasketballandsoccertogetherwithus.Asspringapproachedtheflowersnewlyplantingintheyardhavejustcomeout.Withsuchmanygreentreesandfragrantflowersaroundwefeelitlesshardlytostudyandourschoollifemoreenjoyable.
8分Learninghowtofacesilenceinconversationisanimportantskillespeciallywhenworkingacrosscultures. Ininternationalnegotiationsexperiencednegotiator谈判者staysilentandimpassiveonpurposebecausethatwillmakeothersfeeluncomfortableandpossiblymakecompromiseswithouthavingtodoanything.Americansespeciallycan'tstandsilencesotheyoftenarethefirsttobreakthesilenceandsometimesmightbeatadisadvantageinnegotiations. Sowhat'sthebestresponse?Setyourjawandwaititout.Don'tofferacompromisejustbecausetheyarenotspeaking.IfyouhavetosaysomethingaskadirectquestionsuchasWhat'syourinitialreactiontothatoffer?Onceasilenceisgettinginto45secondsyoucouldsayLet'scomebacktothatinaminuteandgoonwiththenextpartofournegotiation. Inpresentationssilencecanbefarmoreeffectivethandramaticpassion热情.BeforestartinglookattheaudienceandbesilentforamomentbecausethatsaysI'mincontrol.IknowwhatI'mdoing.I'mconfident. AclassicexamplewaswhenAppleco﹣founderSteveJobslaunchedthefirstiPhone.Heintroducedwithmanypausessothatyoudidn'tmisshiskeypoints.Becausesilencemakesusnervousournaturalreactionisthatwe'dbetterpayattentionthere'ssomethinggoingonhere. Equallywhengivingaspeechtostaffortraineespausescount﹣especiallyiftherearenegatives.Ifyoukeeptalkingyou'respoonfeeding.Givepeopleamomentofsilencetogetbeyondtheemotionalresponseandtostartthinkingconsciouslyandprocessing. Silencecanbeaninward﹣focusedthoughtfulactivityoranoutwardstillnesswhereyougiveyourselfthetimetowatchandthinkandlistentotheworldaroundyou.HavingobservedtheuseofsilenceinFinlandandalsoamongtheBlackfeetNationaNorthAmericanIndiantribeinnorthernMontanaintheUSwecanseebenefitsfarbeyondwheelinganddealing. Silencecanbeaverypowerfulpointforunderstandingourselvesunderstandingothersfordevelopingbettercommonunderstandingandmoreproductiveoutcomesandthatappliestobusinesspoliticseducationlawmedicineeveryareaofhumanlife. 1WhatismostlikelytobeAmericansidea? A.Speakinglessgivestheupperhand. B.Theshortertalkinggapsarethebetter. C.Asilentmanisthebestonetolistento. D.Speakoutwhatyouhaveinyourmind. 2WhatisthepurposeoftheexampleofSteveJobs? A.ToshowthewisdomofSteveJobs. B.Toexplainsilencecanbemoreeffective. C.Tointroducehowtomakeapresentation. D.Toprovesilencecaneaseone'snervousness. 3WhatisthemeaningoftheunderlinedwordsspoonfeedinginParagraph6? A.Supportingsomepersonwithanyselflesshelp. B.Feedingsomebodypatientlywithasmallspoon. C.Givingotherssomenewideastothinkovercarefully. D.Usingawaythatdiscouragesindependentthought. 4Whatisthemainideaofthepassage? A.Silenceisthebestdefense. B.Silenceinnegotiationsisofgreathelp. C.Learningtheskillsaboutsilenceisimportant. D.Silencehasdifferentmeaningsindifficultculture.
25分假定你是李华你的美国朋友Lily所在学校的汉语俱乐部要举办诵经典学汉语ReadClassics&learnChinese活动她给你发邮件征询建议.请你回复邮件内容包括 1.推荐诵读内容 2.推荐理由 3.活动建议. 注意 1.词数100左右 2.可以适当増加细节.以使行文连贯.
10分Whetheryou'reflyingtoanislandparadiseortravelingforbusinessthesepackingtipswillhelpyouminimizetimeandmaximizespace. Startwiththeright﹣sizedsuitcase 1.Butifyoucan'ttravellightit'sbesttochooseabagthatcaneasilyaccommodateeverythingyouneed.Tryingtoforceafullsuitcasetoshutisawasteoftimeandenergyespeciallysinceyoumayreturnwithevenmorestuffifyouliketobuysouvenirs. Layeverythingoutbeforestarting Layeverythingyou'retakingoutonthebedsoyoucanseeexactlywhatyouneedtopackandspotanymissingitemspromptly.2.Forfoldeditemsputtinglayersoftissuebetweeneachitemwillcutdownonwrinkles. 3Beginbyputtingrolleditemsinalayeratthebottomofyoursuitcase.Cushionfragileitemslikeperfumebottlesinthemiddle.Plantoputitemsyouneedonarrivalatthetopendofthecase.4 Finishwithalargetoplayer Lastlylayalargeitemlikeatoweloverthetopsandtuckitinaroundthesides.5.It'smucheasiertoclosethezipperifyoudon'thaveitemslikebeltsorlaces. A.Packyoursuitcaseinlayers B.Thenfoldorrolleachitemofclothing C.Takeamomenttoassessyourneedsforthistrip D.Sothey'llbeeasytofindwhenyouneedthem E.Forashorttripasmallcarry﹣onbagisideal F.Geteverythingreadybeforeyoustarttheactualpacking G.Thiswillstopitemsfromslidingaroundduringthejourney
如图△ABC中∠ACB＝90°D为AB上一点以CD为直径的⊙O交BC于点E连接AE交CD于点P交⊙O于点F连接DF∠CAE＝∠ADF． 1判断AB与⊙O的位置关系并说明理由 2若PFPC＝12AF＝5求CP的长．
10分Attheendofalongdayit'salltooeasytotakeahotshowerbrushyourteethandthenjumpintobed.1Asitturnsoutgoingtobedwithwethairisn'tasharmlessasyouprobablythought. Thefirstnegativeresultofsleepingwithwethairispurelycosmetic美容.2lfyoutrytostyleyourhairinthemorningaftersleepingonitwetyou'reprobablygoingtohavetroublestylingtheresultingcurliness卷曲funnywavesandflatsides. Whenyouwakeupyou'reprobablygoingtohavetore﹣wetitagaintoproperlydryitandregaincontrol.3. Sleepingwithwethairdoesnotimmediatelydamageyourhairbutitcancertainlyleadtohairbreakagebecausehairisweakestwhenwet. 4Firstyoucanswapyourcottonpillowcasesforsilkones.Silkhasamuchsmoothersurfacesoyouwon'texperienceasmuchunfortunatebreakage. Nextyoucanmakesuretosleepwithyourhairdowninsteadofupinatightponytail.Inadditionyoushouldreplaceyourtightbandswithasoftonethatisn'tgoingtoroughlypullatnight. 5Dryoilsandtexturizingmousses摩丝aresomeofthebestwaystoensureyoudon'twakeuplookinglikealionwhileprotectingyourprecioushairfromdamage. Nowthatyouknowhowbadsleepingwithwethairismakesureyou'renotmakingthesehairstylemistakes. A.Finallyneverskipoutonapplyingproduct. B.Herearesometipsthatcanhelpdryanyhairfaster. C.Thisunnecessarilyaddstimetoyourmorningroutine. D.Ifyouhaven'tnoticedtheendsofyourhairtendtodryfirst. E.Youcan'tpredicthowyourwethairisgoingtolookinthemorning. F.Buthaveyoueverthoughtabouttherisksofsleepingwithwethair? G.Ifyoumustsleepwithwethairthereareafewwaystominimizethedamage.
25分假定你是李华你的笔友Peter所在的林肯中学将举办中国文化周活动他来信向你寻求活动相关建议.请你给他回信内容要点包括 1.活动内容及形式 2.说明推荐理由 注意 1.词数100左右 2.可以适当增加细节以使行文连贯 3.可能用到的词汇剪纸paper﹣cutting书法calligraphy
15分Researchersexaminedthebenefitsofsingingamongpeoplewithmentalhealthconditions1includeanxietyanddepression. Theyfoundpeoplewhotookpartinacommunitysinginggroupimprovedtheirmentalhealthandthatthecombinationofsingingandsocialisingwasanimportantpartof2recover. Thegrassrootsactionrunsweeklysingingworkshopsforthepeople3mentalhealthconditionsaswellasthegeneralpublic.It4originalbeganatahospitalin20055afterwardsmovedintothecommunity.Around120peoplenowattendfourfreeworkshopseachweekacrossNorfolktwothirdsof6havehadcontactwithmentalhealthservices. Theresearchprojectfollowedthegroupforsixmonthsand7undertakeinterviewsandfocusgroupswithparticipantsorganisersandworkshop8leader. Thereportshowshowsingingandsocialisinggaveparticipants9feelingofbelongingandwellbeingthatoftenlastedadayor10manyaswellasimprovedsocialskillsandconfidence.
8分Environmentalexpertswarnthatourplanetisdrowninginplastic. Theworld'scitiesproduce2billiontonsoftrasheveryyear.Bytheyear2050thatnumberisexpectedtoriseto3billiontons.TheWorldBankestimatesthatthelargestamountoftrashtodayabout44percentisplastic.Butweoftenhavetobuypackagedgoods.Andoftenthatpackagingismadeofplastic. Nowthatmaybechanging.Anewenvironmentally﹣friendlyshoppingmodelwasrecentlylaunchedattheWorldEconomicForuminDavosSwitzerland.ThisshoppingmodelcalledLoopaimstoreplacethrowawaycontainerswithreusableones. LoopistheideaofTerraCycleanAmerican﹣basedrecyclingcompany.ItschiefTomSzaky.toldtheAssociatedPressAPthatremovingplasticsfromtheoceanisnotenough.Hesaidthepointistogetawayfromsingle﹣usepackages.SzakysaidthatLoopisthefutureofshopping.Butitcomesfromanideaofthepast. Hecomparedittothemilkmanmodelofthe1950sintheUnitedStates.Backthensomeonebroughtmilktoyourdoorstepinglassbottlesandthenleftwithemptybottles.Thesecouldbecleanedandusedagain.Theresultiszero﹣waste. JenniferMorganfromtheenvironmentalnon﹣profitorganizationGreenpeacealsojoinedinthediscussionaboutLoopatDavos.ShesaidthatGreenpeacewelcomestheaimoftheLoopAlliancetomoveawayfromthrowawaycultureanddisposability.ButMorganquestionedwhethercompaniesworldwidearereadytochangetheirbusinessmodels. LoopissettolaunchlaterthisyearinthreeeasternU.S.statesandalsoinParisFranceandsomeofthesurroundingarea.ThenLoopplanstoexpandtotheU.S.WestCoastTorontoCanadaandBritainbytheendofthisyearor2020. 1WhatdoestheauthorintendtodoinParagraph2? A.Providebackgroundinformation. B.Advocatezero﹣wastelifestyle. C.Explainthereasonfortrash. D.Introduceanewtopic. 2WheredocstheideaLoopcomefrom? A.TheWorldEconomicForum. B.Demandofsomecompanies. C.Zero﹣wastemodel. D.Themilkmanmodel. 3WhichcountriesisLoopexpectedtoexpandtoby2020? A.UnitedStatesandSwitzerland. B.SwitzerlandandBritain. C.CanadaandBritain. D.FranceandCanada. 4Whatisthetextmainlyabout? A.Anewshoppingmodel. B.Thedevelopmentoffuturecity. C.Theworld'senvironmentalissue. D.Theconcernsoffutureshopping.
为筹备班级的初中毕业联欢会班长对全班学生爱吃哪几种水果做了民意调查那么最终买什么水果下面的调查数据中最值得关注的是
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. ThisafternoonIwenthomebybusasusual.IwaslisteningmusicwhenIsuddenlynoticedthebusstopthatIshouldgetoff.ThenIhurriedoffabus.ButwhenIarrivedhomeIfindthatmywalletwasgone﹣somemoneyandseveralimportantcardwereinit.EagertogetthewalletbacksoIrushedtothebuscompanyforhelp.LuckyattheLostandFoundofficeIsawmywallet.IfeltsoexcitingthatIwantedtothankthepersonwhohadturnedthemin.HoweverIwastoldthemanhadn'tlefthisname.Howagreatman!
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