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假如你是李华,你的英国朋友Tom看到你在微信上分享了学校最近举行的主题为"建造绿色家园"的植树活动,发邮件向你询问有关情况.请你用英语回复邮件,内容包括： 1.活动情况简介；2.活动的意义. 注...
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高三下学期英语《》真题及答案
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假如你是李华在端午节那天你给新搬到你们小区的外籍教师Tom送一些粽子因为他外出你把东西放在门卫处并给
请根据以下汉语提示以李华的口吻用英语写一篇短文词数120—150李华和陆雅是光明中学高三年级学生她们
假如你是新华中学的学生李华你的美国朋友Tom一周前给你发电子邮件询问你暑假里的打算但你因准备期末考试
假如你是李华请给你的美国朋友Tom写一封信告诉他你打算参加暑期夏令营希望他一起参加邮件的内容包括1.
假如你是新华中学的学生李华你的美国朋友Tom一周前给你发电子邮件询问你暑假里的打算但你因准备期末考试
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假如你是李华收到英国的朋友George的来信信中提及他正在为是否同意与父母分享自己的微信朋友圈Wec
第二节书面表达满分25分假如你是李华暑假要来了你的朋友Tom写信来询问你的假期安排请给他写封回信告诉
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假如你是新华中学的学生李华你的美国朋友Tom一周前给你发电子邮件询问你暑假里的打算但你因准备期末考试
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实验室利用如图实验装置进行有关化学实验回答下列问题 1写出图中仪器甲乙的名称甲乙． 2实验室用高锰酸钾制取氧气发生装置可选择图中的填字母代号若用此装置制取氧气还需做的一点改动是该反应的化学方程式为．用充满水的装置C收集氧气则氧气需从填“a“或“b“端通入． 3实验室用石灰石和稀盐酸反应制取二氧化碳的化学方程式为．装置B制备CO2时具有“随开随用随关随停”的功能简述该装置“随关随停”的理由． 4用上述制取二氧化碳实验后的固液残留物进行过滤蒸发的操作训练． ①对固液残留物进行过滤应选择图中的填字母代号装置 ②取少量上述滤液进行蒸发蒸发过程中玻璃棒不断搅拌的目的是．
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VolunteersarevitallyimportantforMelbourne'stourism.TheyprovideinformationonMelbourneforaroundtwomillionvisitorseachyear.TheirloveandknowledgeofthecityaddtoMelbourne'sreputationasafriendlywelcomingandculturallyvibrantcity.Ifyouwouldliketoreceiveanemailadvisingyouonthenextrecruitment招募sessionpleaseemailtourism@melbourne.vic.gov.au.TheCityofMelbourne'stourismbranchgenerallyconductstwovolunteerrecruitmentintakeseachyearforthefollowingtourismprograms*CityAmbassadors*MelbourneVisitorBoothatBourkeStreetMall*MelbourneVisitorCentreatFederationSquare*MelbourneGreeterServicePlacesarelimitedandpotentialvolunteersmustparticipateinaselectionprocessbasedonthefollowingcriteria.Volunteersmustbe*passionateaboutMelbourne*customerservicefocused*familiarwithcomputer*availableforonefour﹣hourshift轮班eithermorningorafternooneveryfortnightforaminimumofoneyear*teamplayerswholovemeetingpeople*abletodemonstrateacommitmenttotheCityofMelbourne'svaluesMoreinformationTofindoutmoreaboutbecomingavolunteercontactusonlineorphonetheCityofMelbourne'sVolunteerProjectOfficerTourismMelbourneon0396589658.ForothervolunteeringopportunitiesseenationalvolunteerrecruitmentwebsiteGoVolunteer.1WhichofthefollowingisNOToneofthequalificationstobeavolunteer?A.Beingwillingtocooperate.B.Havingcomputerskills.C.Beingabletodoshiftworkeverynightforayear.D.HavingpassionforMelbourne.2Howcanyougetothervolunteeringchances?A.Byemailingtourism@melbourne.vie.gov.au.B.Byseeingnationalvolunteerrecruitmentwebsite.C.ByphoningtheCityofMelbourne'sVolunteerProjectOfficer.D.BycontactingTourismMelbourneonline.3Whereisthetextmostprobablytakenfrom?A.Agovernmentwebsite.B.Aradioreport.C.Abookreview.D.Ageographytextbook.4Whatmaybethebesttitleforthetext?A.GuidetoTouringinMelbourneB.WelcometotheCityofMelbourne!C.DoesVolunteeringPayBack?D.TourismVolunteerProgram!
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“见著知微见微知著”是重要的化学思维方法． 1宏观知微观 ①被大烧杯罩住的一个小烧杯中的浓氨水能够使另一个被大烧杯罩住的小烧杯中的酚酞溶液变红其原因是 ②氢氟酸盐酸都属于酸它们在水溶液中都能解离出． 2从微观知宏观 ①微粒A最外层电子数是在化学反应中容易填“得”或“失”电子 ②微粒ABCDE中属于同一种元素的两种不同微粒的是 ③甲和乙在催化剂高温__条件下反应生成丙三种物质的微观结构示意图如图所示该反应的化学方程式为．
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Screamifyouwanttochargeyourphone.ThankstothewondersofscienceridersonThorpePark'snewattractionarollercoaster过山车calledTheWalkingDeadcannowpowertheirsmartphonesbyscreamingloudly.That'sbecausetherearedevicesonitthat'harvestkineticenergy'动能.Theparkconductedresearchwhichshowsthatmillennials'biggestfearistheirphonesrunningoutofbatterysothedeviceshouldprovepopular.AlloftheWalkingDead'scarriageshavebeenfittedwiththeharvestingdeviceswhichnotonlyharvesttheenergyofscreamsbutthatfromg﹣forceandvibrations振动too.Theunitsarethenremovedfromthecarriagesbystaffanddepositedintoanon﹣sitemobilechargingpoint.ThorpeParksaid'Ifthrill﹣seekersarebraveenoughtoopentheireyestheywillseeasetofLEDlightsinbloodredpoweringupasguests'screamsbecomelouderthroughoutthespine﹣tingling90﹣secondexperience.'DesignedandinstalledbyresearchersatQueenMaryUniversityLondonandtheengineeringteamatThorpeParkResortthetechnologytookthreemonthstoimplement执行fromdesigntoinstallation.Itwillbeavailableatthethemeparkforaninitialtrialperiod.Ifthisprovessuccessfulthetechnologymaybecomeapermanentfixturefortheremainderofthe2018season.ThorpeParkResort'sJohnBurtonwhocameupwiththerideconceptsaid'TheWalkingDeadTheRideis15outof10onthescarefactorscale等级soitmakessensetobeabletocombineandusethepowerofourvisitors'screamsandtheride'svibrationstohelpsolveaproblemeachandeveryoneofusfaces﹣losingthechargeonourmobileswhenwe'reonadayout.'DrJoeBriscoeSchoolofEngineeringandMaterialsScienceatQueenMaryUniversityofLondonsaid'Thisisanexcitingconceptthatwillundoubtedlybeusedmorefrequentlyinthefuture.Thesystemusesaminienergyharvestertocapturethekineticenergytransferringittoaseparateelectricalcircuitandstorageunitwhichisenoughtochargeamobilephone.'1Wecanlearnfromthetextthat.A.aphoneshouldbeputintherollercoastertobechargedB.itwasJohnBurtonwhodesignedandinstalledthedeviceC.theenergyofscreamsg﹣forceandvibrationscanbeharvestedbythedeviceD.thetrialperiodofthetechnologywilllastthreemonths2Whatdoestheunderlinedword'spine﹣tingling'meaninParagraph4?A.Unforgettableandsatisfying.B.Interestingandinspiring.C.Exhaustingbutdelightful.D.Frighteningbutexciting.3WhatisDrJoeBriscoe'sattitudetowardthefutureofthenewconcept?A.Skeptical.B.Optimistic.C.Critical.D.Neutral.4What'sthemainideaofthetext?A.Thetraditionalwayofchargingyourphoneisonthewayout.B.Anewbatteryforpoweringyourphoneisinvented.C.Visitors'screaminThorpeParkcanbeusedtochargethephone.D.ThemosteffectivewayofchargingyourphonehasbeenfoundinThorpePark.
AfewyearsagomywifeandItookatriptoCostaRica.Uponarrivalwe1acarandheadedouttoourfirstdestinationwhichwasafewhoursaway.Ihada2soIfiguredI'dbeingreatcondition.About20minutesintothedriveIfoundmyselfpractically3intheunmarkedstreetsanddirtyroads.Upset.IturnedtoSiriavirtual虚拟的assistantinmyphoneforhelp. Itypedthe4toourdestinationinmyphoneandinstantlySirihad5thebestroute路线togetthereandwewereonourway. Theonly6wasthatthingsdidn'talwaysgothewayIthoughttheywould.Withthestreetsnotbeingwell7Iwouldsometimesmissaturnandheadinthe8direction.LuckilySirinevergot9withme.AnytimeImissedaturnSiriwouldsimply10andsayRecalculatingroute.11route.AndwithinafewsecondsSiriwouldhaveanewroute12togetustoourdestination. SometimesthenewroutemeantIhadto13totherightturnandsometimesshefoundadifferentroutethattookmynewlocationinto14Eventuallywemadeittoourhotel15andenjoyedsomebeautifulsceneryalongtheway. Mostpeoplemakethe16ofthinkingthatsuccessandhappinesscomefromsomeonesettingagoalandthen17straighttowardsit.The18isthatthereisnostraightpathtosuccess.Thereisn'teventhe19path.Therearemanypathsthatcangetyoutoyourgoals.Youjusthavetobe20torecalculateyourroutewhenyoumissaturnorthereissomethinginyourway. 1A.produced B.repaired C.rented D.purchased 2A.car B.phone C.compass D.map 3A.absorbed B.lost C.experienced D.free 4A.address B.approach C.receipt D.schedule 5A.polished B.discovered C.opened D.managed 6A.fear B.difference C.sympathy D.problem 7A.marked B.paved C.arranged D.expanded 8A.illegal B.new C.wrong D.potential 9A.generous B.mad C.concerned D.cautious 10A.breakdown B.cutin C.getup D.goaway 11AAbandoning B.Cancelling C.Reaching D.Changing 12A.checked B.updated C.adjusted D.planned 13A.point B.lead C.return D.apply 14A.order B.direction C.account D.place 15A.safely B.frequently C.hungrily D.gradually 16A.mistake B.excuse C.accident D.trouble 17A.accumulating B.withdrawing C.marching D.fleeing 18A.answer B.truth C.condition D.privilege 19A.first B.suitable C.accurate D.only 20A.willing B.proud C.anxious D.ambitious
Pictureaniceberg冰山.You'llprobablyimaginesomethingwhiteassnowrisingupoutofabluesea.Buticebergscanbeallsortsofshades.Theycanbefromafrostybluetoanattractivegreen. Researchersandsailorshaveobservedemerald翠绿色icebergsforyears.Alargepieceoficemast﹣highandgreenasemeraldevenappearsinSamuelTaylorColeridge's1834poem.Buttheyhaven'tfoundoutexactlywhytheseicebergslookthewaytheydo. AnewpaperledbyStephenWarrenwaspublished.Itallhastodowithwhaticebergsaremadeoutof.Icebergsbreakoffglaciers冰川oriceshelveswhichhappensmainlyaroundAntarcticaandGreenland.Theybegintheirlivesassnowfallthataccumulatesovertime.So.icebergscontainairpocketswiththeformofbubblesthatspreadlight.Withsomeexceptionsandrarelinesglaciericetendstolookbluishwhite. AtfirstWarrenguessedthatthegreenwasaproductofmeltcarbon.Anditcamefromrottingplantsorseaanimals.Butsamples样本didn'tproveit.AnotherideastartedtotakeshapeaftertheyhadfoundahighconcentrationofironinasampleofseaicefromtheAmeryIceShelf. Whenglaciersrubacrosslandtheyproducewhat'sknownasglacierflour.Itisaproductofbedrockbeinggroundclownbythemovingmass.Asglaciersmoveawaytheseremainsareusuallywashedoutintowater.inparticlessometimestoosmalltobenoticeabletoyoureyes.Butonland.soilandrockscontainironoxidesthatoftenhaverosycolors.likeredsyellowsandbrowns﹣andsincetheseaicecontained500timesmoreironthantheglaciericeWarrenwonderedwhethertheremainswereresponsibleforicebergstakingonagreenappearance. Hedoesn'tknowforsure.He'shopingtosecuremoneysothathecanreturntotheareaandstudytheicebergsthemselves. 1WhyisSamuelTaylorColeridge'spoemmentionedinthetext? A.Ittellswhyicebergslookthewaytheydo. B.Itdescribesvividlywhaticebergsarelike. C.Itsayscausesoftheappearanceoficebergs. D.Itprovestheexistenceofcolorfulicebergs. 2WhatcanweknowaboutStephenWarren'spaper? A.Itdrawsonresearchers'andsailors'views. B.Itistherecordofthemovementoficebergs. C.Ittalksabouthowicebergscomeintobeing. D.Itisacollectionofvarioussocialphenomena. 3Whatdoestheunderlinedworditinparagraph4referto? A.Asampleofseaice. B.Warren'sfirstguess. C.Warren'sideaoniron. D.Aproductofmeltcarbon. 4Whatisparagraph5mainlyabout? A.Thepossiblereasonwhyicebergslookgreen. B.Wheremostoficebergseventuallydisappear. C.Howicebergstakeinthecolorsfromglaciers. D.Thewayinwhichicebergsbreaksoffglaciers.
DutchdesignerDaanRoosegaardehasspentmuchofhistimeseekingartisticsolutions解决方案tosolveourenvironmentalproblems.HispastprojectsincludeBioluminescent生物发光TreestolightstreetsaSmog﹣FreeTowertocleanBeijing'spollutedair.andGatesofLight.whichusestheheadlampsofpassingcarstolightupthe60floodgatesoftheAfsluitdijkamajordamintheNetherlands.Nowheishopingtousehisskillstosolveapressingglobalproblem﹣spacejunk! Scientistsguessthatthereareover500000bitsoflargerubbish.TodealwiththeproblemRoosegaardeintendstoachievehisgoalbyeducatingthepublicabouttheneedofthesituationandcomingupwithpossiblesolutions.Theplan.calledtheSpaceWasteLab.startedinOctober2018withalaser激光showintheNetherlands.TheuniqueoutdoorartworkofLEDsusedreal﹣timetrackinginformationtopointatpiecesofspacejunkfloatingataltitudesof200to20000kilometers.Theexperiencewasdesignedtomakethepublicknowmoreabouthowmuchspacejunkthereare. Tofindasolutionthedesignerhasbeenthinkingwithexperts.OneoftheprojectsbeingconsideredisShootingStarswhichattemptstoreintroducethetrashtotheatmosphereinacontrolledway.Uponreentry.thewastewouldburnintheatmospherelikeashootingstar.Roosegaardeenvisagesthatifsuccessful.burningspacetrashcouldsomedayreplacefireworksatlargepublicevents! InSeptember2018.theRemoveDEBRISsatellitesuccessfullysentanettocatchatargetwhileorbitingatanaltitudeofabout300kilometers190miles.Sometimethisyear.thecapsulewillsetfreeaharpoonthathasbeendesignedtoremovespacetrash.AttheendofitstaskRemoveDEBRISwillletgoasailtobringthesatelliteitself.and.hopefullysometrashbackintotheatmosphere.whereitwillburnup. 1WhatcanweinferaboutDaanRoosegaarde? A.Heistooaggressivetoputforwardgoodplans. B.Heiscreativeinsolvingenvironmentalproblems. C.Heisfondofspendingallofhistimeseekingartskills. D.Heissensitivetoartreflectedinenvironmentalprojects. 2WhywasalasershowheldinOctober2018? A.Toconfirmreal﹣timeinformationaboutspacetrash. B.ToshowthegreatbeautyofLEDtocommonpeople. C.Toraisepublicawarenessoftheamountofspacetrash. D.Toinspirepeopletoconsiderthesolutiontospacetrash. 3Whatdoestheunderlinedwordenvisageinparagraph3probablymean? A.Suspect. B.Demand. C.Advise. D.Imagine. 4Whatisthefunctionofasail? A.Bringingthesatellitetoatmospheretoburn. B.Keepingtrashtravelingalongitsownorbit. C.Takingthesatelliteawayfromatmosphere. D.Removingspacetrashoutofthecapsule.
把少量列物质分别放入水中充分搅拌可以得到溶液的是
如图是三种物质在水中的溶解度曲线据图回答下列问题 1在10℃至20℃之间三种物质的溶解度大小顺序是 2N点时对A而言是其溶液 310℃时分别将三种物质的饱和溶液升温至30℃有晶体析出的是溶质质量分数保持不变的有 420℃若配制溶质质量分数为5%的A溶液100g需Ag该温度下为何不能配制成20%的A溶液理由是．
某溶液中大量存在的离子仅有NH4+Ca2+和X离子则X可能是
已知如图平行四边形ABCD对角线AC与BD相交于点E点G为AD的中点连接CGCG的延长线交BA的延长线于点F连接FD． 1求证AB＝AF 2若AG＝AB∠BCD＝120°判断四边形ACDF的形状并证明你的结论．
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.每处错误及其修改仅限一词. 2.只允许修改10处多者从第11处起不计分. MylittlebrotherandIwentshoppinginnewlyopenedsupermarketinourcitylastMonday.Wetastedalittledeliciouscheesebiscuitsandbuythreeboxesofcandies.SeenoneofmyfavouritechocolatecakesIquickenedmystepsthroughthecrowd.AfewminuteslateIcouldn'tfindmybrotherandgotanxious.Sincethereweresomanypeopleinthesupermarketsoitwasquitetoughformetofindher.Ihadtoaskasalesmanforsomeadvices.Itwasn'tlongafterthesalesmanfoundaloudspeakerandstartedtosearchformybrother.ThanksforthesalesmanImanagedtofindmybrotheratlast.
下列有关实验现象的描述错误的是
ThePalaceMuseumiscelebratingitsupcoming600thanniversary.Itsnewattempt1fillyoungergenerationswithcultureisafabulousmixofcelebritiesancienthistoryandmoderntechnology.ThePalaceMuseumishometo2rough1.86millionprecioushistoricalrelics遗迹andamong3theNorthSongDynastymasterpieceAlongtheRiverduringtheQingmingFestivalpaintedbyZhangZeduan4considertobeofgreatvalue.ThepaintinghassuchareputationofbeingChina'sMonaLisa5millionsofvisitorsareattractedtoenjoyit.The6originmasterpieceisstatic静态的anditseemsthatthegeneralpublicrarelyknows7thepaintingisattemptingtoconvey.Since2000thePalaceMuseum8cooperatewithtechnologycompaniestomakethesesilenthistoricalrelicscomealive.Thedigitalizedversionoftheworkcanbeshownonthegiantscreeninanexhibitionroom.Visitors9wearVRglasseswilltakeaboatandexploretheneighborhoodoftheBianRiver.Thankstomoderntechnologyalltheprecioushistoricalrelicswillbebrought10lifewiththeirobscure晦涩的wordseasiertounderstand.
WhyYouShouldn'tPunishYourKidsForLyingIt'snoeasytasktostopyourchildrenlying.TherearemanyinfluencesTVmoviesvideogamesandsomegreatbooksinwhichliesarecommon.Childrenseeparentslietoothersonlytobepolite.MostparentsaddtothatwithtalesaboutthelivesandactivitiesofSantaClausortheToothFairytobringjoyortolessenfears.1butforsomechildrenlyingcanbecomeaproblem.Themostcommonreactionstochildrenwholieareexplainingwhyitiswrongandpunishingthem.2.Herearethreebettertoolssupportedbyresearchtouseinstead.PRAISEYoucouldaskyourchildtosaysomethingthathappenedatschoolthatistrue.Whenyourchildobeyspraisehimenthusiastically.Bespecific'Thatwasgreat!YoutoldmewhathappenedjustasIasked.Wow!'andgiveyourchildahugorahighfive.Aimforoneortwointeractions互动likethisaday.Ifyouhappento'catch'yourchildinaliesaysomethinglike'Thatisnottrueandcouldgetyouintroubleoutsideofthehome.'MODEL3.Thiscouldbeaboutsomethingthathappenedwhenyouwereachildorsomethingthathappenedduringtheday.Itneednotbedramatic.Anotheroptionistoplayagameatdinner.Eachpersontellsonethingthatwastruethatday.Againgivealittlepraisetothechildwhonormallyliesifheplaysalong.DECREASEPUNISHMENTANDMORALIZINGSomechildrenareunlikelytochangebehaviorordeveloptheconductyouwant.Thatdoesnotmeanyoucanignoretheirlyingorletitgo.Ratheruseverymildpunishmentlightscoldingshortlossofprivilegeabrieftime﹣out.4.Trytheseproceduresfortwotothreeweeksandseewhereyouare.Usuallyliescanbedroppedbythen.5butwiththerightencouragementcanbedramaticallylessened.A.ParentspunishchildrenbecausetheyareinapositionofgreaterpowerB.ButaswaysofchangingbehaviortheseareineffectiveC.TheythinkitunnecessaryforchildrentotellalieD.ParentsdothisoutofloveE.SeverepunishmentsarenotalwayseffectiveinactuallychangingthefrequencyoflyingF.YoushouldsetagoodexampletoyourkidsandexplicitlytellthetruthG.Itisunlikelythatlyingwillbecompletelyremoved
如图所示实验操作正确的是
一定量某Fe2O3样品含有少量的FeOCuO与100g质量分数为9.8%的稀硫酸恰好完全反应该Fe2O3样品中氧元素的质量是
HalloweenComingOut Amanwasshotinthefaceduringabankrobbery.Thatwasthenewsaboutmefiveyearsago.FromthenonIneverlookedina1itevenscaredmyselfwhenseeingmydestroyedface.Ilivedinmyhousealonewithoutoutsidecontact.ButonenightIwasmakingan2.ItwasHalloween. Whatafittingnightformeto3!Ilongedforhumancontact.WhenmypumpkinlanternsmiledatoothywelcomeinmyfrontdoorIheardfootstepsandgiggling咯咯的笑aschildrencameclosetomyhouse. Trickortreattheycried. Myhandsstartedto4.Iopenedthedoorandgavethema5smilethroughmydamagedlipsbeneatharoughscarwheremynoseonce6. Doyouwantatrickordoyouwantatreat?Myvoicesoundedmorelikeaghost.The7expressiononthechildren'sfacessuggestedeverything. Treat!They8pickedacandyortwofrommybucketandrantothe9oftheirparents. Iclosedthedoorandpressedmybackagainstit.IfeltdizzybutI10it.Thenthebellrang.Trickortreat.a11voicecametome.IopenedthedoortofindasmallgirlwearingaShirleyTemplemask. HiShirley.Ispokequietlynotto12her.Aren'tyoubeautifultonight? ShestaredatherfeetandshookherheadNo. Yesyouare.You'reShirleyTemplethemostbeautifulgirlintheworld. Shelookedupatmeandpulledher13totheside.Seeingherdeformed变形的facemyheartmissedabeat. WellIthinkyouarebeautifuldarling.Isaidgently. Atthewordshereyesconnectedwithmine.Anuncertainhandreachedtowardmybucketandtookonepieceofcandy.Thankyou.Hervoicewasa14.Sheturnedandrantohermother.Inoddedmyheadtohermotherandgavethembotha15. Iclosedmydoorandturnedoffmygatelamp.My16lifebeganagain. ThenextmorningIheardmydoorbellring.Itriedtoignoreit17itrangagain.IwenttothedoorandcalledoutWho'sthere? It'sShirleyTempleandherMom. Iopenedthedoorinafew18andlooked.Itwasthewomanandherdaughterwithouthermask.BeforeIspokethemothersaidMygirlsaidshewantedtomeetyou.Iwatchedtearsstartto19inthemother'seyes.Thisisherfirsttimeoutsidewithouthermask. Ipulledthedooropenandthatwasalsothefirsttimeinfiveyearsformetoinvitesomeoneintomy20. 1A.mirror B.wallet C.pocket D.bank 2A.expectation B.appointment C.introduction D.exception 3A.act B.stay C.appear D.flee 4A.shake B.cross C.dance D.tap 5A.bitter B.friendly C.simple D.quiet 6A.lived B.sat C.breathed D.slept 7A.moved B.excited C.shocked D.puzzled 8A.easily B.politely C.sadly D.quickly 9A.security B.shadow C.defense D.sight 10A.finished B.promoted C.got D.did 11A.thin B.loud C.claim D.clear 12A.interrupt B.scare C.discourage D.cheat 13A.gloves B.hat C.mask D.glasses 14A.whistle B.whisper C.signal D.sigh 15A.glance B.wave C.hand D.surprise 16A.busy B.social C.meaningful D.lonely 17A.for B.so C.but D.or 18A.seconds B.efforts C.inches D.steps 19A.well B.dry C.freeze D.fix 20A.future B.story C.mind D.life.
ItwasdaysorevenweekssinceIhadbeenleftontheisland.MyonlycompanionwasadogcalledPhillywhichhadsurvivedtheshipwreck.Memoriesofwhathappenedwerestillfresh. Themagnificenceoftheshiphadgivenusallafalsesenseofsecurity.Asthefirstsignsofthestormstartedourcaptainannouncedit'snothingmuchjustanotherstorm.Yethewaswrong!Thestormhittheshipsobadlythatlargeholesweremadeatthesidesoftheship.Asthefreezingwaterstartedrushinginourshipwasconsumedquicklybythedarkwater. MytrainofthoughtwasdisturbedbyPhillylickingmyhanddearly.Areyouhungry?Ispokemyfirstwordseversincetheshipwreckoccurred.Woofwoof!BarkedPhillyenthusiastically.Atthismomentmystomachgavealoudgrowltoo.Icouldnotrememberwhenmylastmealwasprobablyaten﹣coursedinnerontheship.AsIhadneverfishedbeforeIthoughtmaybeIcouldtrysomethingsimplerlikepickingfruits.WithPhillyatmysidearmedwithasharpbranchwewalkedintotheforestontheislandtogether.SuddenlyIthoughtIheardnoises.Couldtherebeanyoneelseonthisisland?Iwondered.Aswewerelookingforfruittreeswechancedupononethatboreyellowjuicy﹣lookingfruit.Phillystartedbarking﹣wehadcompany.Itwasadark﹣skinnedwomanholdingasharpspeardressedinfurandgrass.Ibackedawayfromherafraidthatshewouldbeaggressive.ThenIsawthatshewastryingtosaveus.Pointingherspearatthefruittreesheshookherheadstrongly. InoddedathertoshowIunderstoodwhatshewassaying.SignalingtoustofollowhersheturnedtowalkalongasmallpaththatIhadnevernoticed.Attheendofthesmallpaththerewasasmallvillage.Tearsofjoyfilledmyeyes. 1Whathappenedtotheshipthewriterhadbeenon? A.Itwasfrozeninthesea. B.Itwasturnedoverbythestorm. C.Itwasdesertedbecauseitwasinsecure. D.Itsankduetothedamagecausedbythestorm. 2AccordingtothepassagewhichofthefollowingcanbestdescribePhilly? A.Activeandfriendly. B.Caringbutaggressive. C.Smartandfaithful. D.Noisybutenthusiastic. 3Whydidthewriterwalkintotheforest? A.Totakeshelterfromthestorm. B.Togotoasmallvillage. C.Tofindsomeoneforhelp. D.Tolookforsomethingtoeat. 4Thewomanmostprobablytriedtotellthewriterthat. A.thefruittreewasn'tthebestchoice B.thefruitwasunfitforeating C.thewriterwasn'tallowedtopickthefruit D.shewasn'tafraidofthewriter
Theideaofrobotrulersfriendsandlovershasbeenatopicofsciencefictionnovelsforyears. Butaccordingtoonemathematicalmodelofhowourbrainscreateconsciousnessemotionalmachineswillneverexist. Thisisbecausecomputerscan'thandleanyprocessthatcompletelyintegrates整合informationsotheycannotbeconsciousorfeeloneexpertsays. AmathematicalmodelforconsciousnessdevelopedbyGiulioTononiattheUniversityofWisconsin﹣Madisonsaysthattheabilitytointegrateinformationisakeyfeatureofconsciousness. Hebelievesthatintegratedinformationcan'tbebrokendownintosmallerpiecesinconsciousmindsbecausethebraincontextualizes将……融入背景information. Forexamplewhenweseearedcircleourbrainsdon'tseetheshapeasacolourlesscircleplusashapelesscolouredareaNewScientistreported.Insteadweseeitasawhole﹣aredcircleweunderstandthewiderpicture. It'seasyenoughformachinestoeditacollectionofindividualimages图象butmemoriesaremadeupofabankofintertwined相互交织的imagesandexperiencesandcannotbechangedinthesameway. Researchershaveusedmathematicstoshowthatcomputerscannothandlethecomplexprocessesneededtofitpiecesofinformationtogetherperfectly. Thereforeifconsciousnessisbasedontheintegrationoflotsofpiecesofinformationcomputerscan'tbeconsciousandcan'texperienceemotionslikehumans. ProfessorPhilMaguireoftheNationalUniversityofIrelandinMaynoothsaysthatconsciousnesscannotbecreatedinaphysicalmachineinlimitedtimeusinglimitedmemory. Itdoesn'tnecessarilymeanthatthereissomemagicgoingoninthebrainthatinvolvessomeforcesthatcan'tbeexplainedphysically.Itisjustsocomplexthatit'sbeyondourabilitiestochangeithesaid. Hisresearchmaymeanthatlonelyhumanswillnotfindlovewitharobottheyareunlikelytobemadetheirslaveseither. 1Whydoexpertsthinkemotionalmachineswon'texist? A.Machinescan'tsolveproblems. B.Machinescan'tintegrateinformation. C.Machinescan'thandleinformation. D.Machinescan'tcommunicatewithpeople. 2TheexamplementionedinParagraph6isusedtoshow. A.machinescannotfeel B.thebrainhasconsciousness C.machinescanrecognizeshapesandcolors D.thebraincancontextualizeinformation 3Itcanbelearnedfromthetextthat. A.theideaofrobotloverswon'tcometrue B.machinescaneditintertwinedimages C.robotscanfitpiecesofinformationtogetherperfectly D.computerscanexperienceemotionslikehumansoneday 4Whatwouldbethebesttitleforthetext? A.Howrobotswork B.Robotswillneverhavefeelings C.Willrobotsbecomepeople'sfriends? D.Whatwillrobotsbelikeinthefuture?
铯原子钟300年误差不超过5秒铯元素在周期表中的信息如图所示下列说法正确的是
假定你是校学生会__李华上周你校组织一个文化交流团到英国某高中进行文化交流现已回国.请你代表你校交流团给英国活动负责人David写一封信内容包括1.感谢对方的招待2.此行的体验和收获3.邀请对方暑假来中国体验中国文化.注意1.字数100左右开头结尾已为你写好不计入总词数2.可以适当增加细节以使行文连贯.DearDavidWehavebeenbackhomesafelyfromEngland.YoursLiHua
化学与生活密切相关请你用化学知识回答以下问题 1活性炭净水器主要利用活性炭来过滤水中的杂质净化后水变澄清了所得到的水是填“纯净物”或“混合物”． 2使用脱硫煤能减少的排放减轻酸雨的危害但仍会产生较多的二氧化碳不能减缓日益加剧的． 3铁制品在潮湿的空气中易生锈是因为铁与发生化学反应可以防止铁制品锈蚀的一种方法是．
已知在一定条件下发生反应甲+乙→丙+丁．下列判断正确的是
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