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我国古代数学著作《九章算术》卷七有下列问题：“今有共买物，人出八，盈三：人出七，不足四，问人数、物价几何？”意思是：现在有几个人共同出钱去买件物品，如果每人出8钱，则剩余3钱：如果每人出7钱，则差4...
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的出现标志着我国古代数学体系形成
《周髀算经》
《几何原本》
《孙子算经》
《九章算术》
我国古代数学体系形成的标志是
《周髀算经》
《九章算术》
《齐民要术》
筹算计算法和珠算法
东汉的九章算术奠定了中国古代数学以计算为中心的特点
我国古代数学著作九章算术卷七有下列问题今有共买物人出八盈三人出七不足四．问人数物价几何意思是现在有
九章算术分为方田粟米均输方程勾股等九章这反映出中国古代数学①注重解决实际问题②与农耕生产密切相关③注
①②
②③
③④
①④
九章算术是中国传统数学最重要的著作奠定了中国传统数学的基本框架.九章算术采用问题集的形式全书共收集了
标志着我国古代以解决实际问题为主要内容以算筹为主要计算工具以当时世界上最先进的十进位记数系统来计算的
《缀术》
《周髀算经》
《九章算术》
《齐民要术》
我国古代数学著作九章算术中有一道阐述盈不足术的问题译文为现有几个人共同购买一个物品每人出8元则多3元
中国古代有着辉煌的数学成就周髀算经九章算术海岛算经孙子算经等是我国古代数学的重要文献．某中学拟从这
的出现标志着我国古代数学体系的形成
《九章算术》
《存秋》
《周髀算经》
《汉书·五行志》
九章算术是中国古代数学最重要的著作包括246个数学问题分为九章.在第九章勾股中记载了这样一个问题今有
我国古代数学著作九章算术卷七有下列问题今有共买物人出八盈三人出七不足四问人数物价几何意思是现在有几个
=
中国古代数学体系形成的标志性数学典籍是
《九章算术》
《周髀算经》
《缀术》
《辑古算经》
九章算术是中国传统数学最重要的著作奠定了中国传统数学的基本框架．它的代数成就主要包括开放术正负术和
标志着中国古代数学体系形成的著作是
《周髀算经》
《孙子算经》
《九章算术》
《几何原本》
九章算术是中国传统数学最重要的著作奠定了中国传统数学的基本框架九章算术采用问题集的形式全书共收集了2
在我国古代数学著作九章算术中记载了一个有趣的问题这个问题的意思是有一个水池截面是一个边长为10尺的正
九章算术分为方田粟米均输方程勾股等九章这反映出中国古代数学①注重解决实际问题②与农耕生产密切相关③注
①②
②③
③④
①④
.我国古代数学名著九章算术在勾股一章中有如下数学问题今有勾八步股十五步勾中容圆问径几何.意思是一个直
3步
6步
4步
8步
九章算术是一部
介绍古代算卦之术的著作
外国传入的数学著作
东汉时期的数学名著
涉及现代数学全部内容的名作
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8分BluePlanetⅡ'slatestepisodefocusesonhowplasticishavingadevastatingeffectontheoceanandslowlypoisoningourseacreatures.ResearchersrecentlyalsofoundthatseacreatureslivinginthedeepestplaceonEarththeMarianaTrenchhaveplasticintheirstomachs.Indeedtheoceansaredrowninginplastic. Thoughitseemsnowthattheworldcouldn'tpossiblyfunctionwithoutplasticsplasticsarearemarkablyrecentinvention.Thefirstplasticbagswereintroducedinthe1950sthesamedecadethatplasticpackagingbegangaininginpopularityintheUnitedStates.Thisgrowthhashappenedsofastthatscienceisstillcatchingupwiththechange.Plasticspollutionresearchforinstanceisstillaveryearlyscience. Weputalltheseplasticsintotheenvironmentandwestilldon'treallyknowwhattheoutcomesaregoingtobe.Whatwedoknowthoughisdisturbing.Oceanplasticisestimatedtokillmillionsofmarineanimalseveryyear.Nearly700speciesincludingendangeredonesareknowntohavebeenaffectedbyit.Oneinthreeleatherbackturtleswhichoftenmistakeplasticbagsforjellyfishhavebeenfoundwithplasticintheirbellies.Ninetypercentofseabirdsarenoweatingplasticsonaregularbasis.By2050thatfigureisexpectedtoriseto100percent. Andit'snotjustwildlifethatisthreatenedbytheplasticsinourseas.Humansareconsumingplasticsthroughtheseafoodweeat.Icouldunderstandwhysomepeopleseeoceanplasticasadisasterworthmentioninginthesamebreathasclimatechange.Butoceanplasticisnotascomplicatedasclimatechange.Therearenooceantrashdeniers否认者atleastsofar.Todosomethingaboutitwedon'thavetoremakeourplanetenergysystem. Thisisnotaproblemwherewedon'tknowwhatthesolutionis.Weknowhowtopickupgarbage.Anyonecandoit.Weknowhowtodispose处理ofit.Weknowhowtorecycle.Wecanallstartbythinkingtwicebeforeweusesingle﹣useplasticproducts.Thingsthatmayseemordinarylikeusingareusablebottleorareusablebag﹣﹣whentakencollectivelythesechoicesreallydomakeadifference. 1Whyisplasticspollutionresearchstillaveryearlyscience? A.Theplasticspollutionresearchistoodifficult. B.Plasticshaveproducedlesspollutionthancoal. C.Theworldcouldn'tpossiblyfunctionwithoutplastics. D.Plasticshavegainedinpopularitytoofastforsciencetocatchup. 2HowdidtheauthorsupporthisopinioninParagraph3? A.Hepresenteddata. B.Hementionedremarksfromexperts. C.Heusedexamplesfromhisownexperience. D.Heusedthestrategyofcomparisonandcontrast. 3Whatcanweinferaboutclimatechange? A.Climatechangeiscausedbyhumanactivities. B.Somepeoplecastsomedoubtsonclimatechange. C.Climatechangeislessimportantthanoceanpollution. D.Oceanplasticismorecomplicatedthanclimatechange. 4Whatisthemainideaofthispassage? A.Oceanplasticisaglobalissue. B.Theoceansbecomechokedwithplastic. C.BluePlanetⅡhasleftviewersheartbroken. D.Plasticsgaininpopularityallovertheworld.
8分Thinkaboutthedifferentwaysthatpeopleusethewind.Youcanuseittoflyakiteortosailaboat.Windisoneofourcleanestandrichestpowersources来源aswellasoneoftheoldest.Evidenceshowsthatwindmills风车begantobeusedinancientIranbackintheseventhcenturyBC.TheywerefirstintroducedtoEuropeduringthe1100swhenarmiesreturnedfromtheMiddleEastwithknowledgeofusingwindpower. Formanycenturiespeopleusedwindmillstogrind磨碎wheatintoflourorpumpwaterfromdeepunderground.Whenelectricitywasdiscoveredinthelate1800speoplelivinginremoteareasbegantousethemtoproduceelectricity.Thisallowedthemtohaveelectriclightsandradio.Howeverbythe1940swhenelectricitywasavailabletopeopleinalmostallareasoftheUnitedStateswindmillswererarelyused. Duringthe1970speoplestartedbecomingconcernedaboutthepollutionthatiscreatedwhencoalandgasareburnedtoproduceelectricity.Peoplealsorealizedthatthesupplyofcoalandgaswouldnotlastforever.Thenwindwasrediscoveredthoughitmeanshighercosts.Todaythereisaglobalmovementtosupplymoreandmoreofourelectricitythroughtheuseofwind. 1Fromthetextweknowthatwindmills. A.wereinventedbyEuropeanarmies B.haveahistoryofmorethan3000years C.usedtosupplypowertoradioinremoteareas D.haverarelybeenusedsinceelectricitywasdiscovered 2Whatwasanewuseforwindpowerinthelatel9thcentury? A.Sailingaboat. B.Producingelectricity. C.Grindingwheatintoflour. D.Pumpingwaterfromunderground. 3Oneofthereasonswindwasrediscoveredinthe1970sisthat. A.windpoweriscleaner B.itisoneoftheoldestpowersources C.itwascheapertocreateenergyfromwind D.thesupplyofcoalandgasfailedtomeetneeds 4Whatwouldtheauthorprobablydiscussintheparagraphthatfollows? A.Theadvantageofwindpower. B.Thedesignofwindpowerplants. C.Theworldwidemovementtosaveenergy. D.Theglobalmovementtowardsproducingpowerfromwind.
10分 HowtoBeGrateful感恩的 Hasyourmotherorbestfriendtoldyouthatyou'reanungratefulperson?1Doyoukeepthinkingaboutthethingsyoudon'thaveinsteadofbeingthankfulforwhatyoudohave?Ifsothenyouneedtoworkonbeingamoregratefulperson. ●2Thisisn'tareligiouszōng jiāo 的thing.Youdon'thavetoholdoffonnotingeverythingyou'rethankfulforuntilThanksgiving.EverySundaygetanotebookandsitoutsideforfifteenminuteswhilemakingalistofallofthethingsyou'rethankfulfor. ●Begratefulforyourfriendships.3Youmaycometothinkthatyourfriendsarekindandthey'rejusttherelikethecouchinyourlivingroom.Ifyoutakeyourfriendsforgrantedfortoolongthentheywillslowlymaketheirwayoutofyourlife. ●Begratefultoyourfamily.Yourfamilyisanotherthingyoushouldbegratefulto.Yourparentsmighthaveevenbeenthepeoplewhotellyouthatyoushouldbemoregrateful.4.Don'tletadaygobywithouttellingyourfamilyhowmuchyoulovethem. ●5Throughouthistoryimaginehowmanypeoplehavecontributedtowhereyouarenow.Realizingthatyoucouldn'tbewhatyouarenowifitweren'tforallofthesepeopleisanimportantstepinbeingagratefulperson. A.Makeagratitude感激listeverySunday. B.Friendshipsandhealthareveryimportantinourlife. C.Begratefulforallofthegooddeedsdoneforyourbenefit. D.Manypeopleareguiltyoftakingtheirfriendsforgranted. E.Youshouldkeepeverythingthatyouaregratefulforinmindeveryday. F.Sotakethetimetotellyourfamilyhowmuchtheymeantoyou. G.Doyoufeelunabletoappreciatethebeautynatureandlovethatareallaroundyou?
25分假如你是高一学生李华你们学校最近将改建运动场你想给校长写一封建议信内容如 1.增加乒乓球台的数量 2.篮球场地最好不要建在体育馆门口以免篮球砸伤过往的同学 3.希望建立室内游泳馆 4.建成后希望周末也开放. 注意1.词数100左右 2.可以适当增加细节以使行文连贯 3.开头和结尾已写好不计入总词数. 参考词汇篮球场basketballcourt体育馆gym DearHeadmaster Iamasenioronestudent.Ihaveknownthattheplaygroundofourschoolwillberebuiltrecently. Yours LiHua
下列化学知识的总结或应用完全正确的一组是
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30分IdovoluntaryworkforanorganizationthathelpsthepeopleinneedinHaiti.RecentlyItookmysonBarrettthereforaweekhopingto1him. BeforesettingoutItoldBarrettthistripwouldbetiringand2.Forthefirsttwodayshesaidalmostnothing.Iworriedthetripwastoo3fora17﹣year﹣old.Thenondaythreeaswewere4overhighrockymountainsheturnedtomeandgrinned咧嘴笑Prettyhard. Afterthattherewasnoturningback.Afive﹣year﹣oldgirlwearingadressseveralsizes5largeandbrokenshoesfollowedBarrettaroundmesmerized着迷.Hecouldn'tstop6.Laterhesaid7.IwishIcouldspeakFrench.Iwas8﹣thisfromaboywhohatedand9Frenchclassesthroughoutschool. Usuallysilenthe10Gabyourhostandkeptaskingquestionsaboutthecountryanditspeople.Heblossomed活泼起来. 11themomentthatreallytook12breathawayoccurredinavillagedeepinthemountains.Iwas13awomanvillagerforanarticle.135centimeterstallshewassmallinfigurebutstrongin14.Throughdeterminationshehadlearnedtoreadandwriteand15tobecomepartoftheleadershipofthe16. LearningherstoryBarrettwasas17asIbythistinywoman'sachievements.Hiseyeswerewetandtherewasa18ofloveandrespectonhisface.Hehadfinallyunderstoodtheimportanceofmywork. WhenleavingforhomeBarrettevenofferedtostay19asavolunteer.Myinsidessuddenlyfeltstruck.This20achievedallI'dexpected.Soonhewillcelebratehis18thbirthday.He'llbeaman. 1A.educate B.attract C.please D.comfort 2A.troublesome B.dangerous C.rough D.violent 3A.little B.slow C.fast D.much 4A.running B.moving C.looking D.climbing 5A.so B.very C.even D.too 6A.crying B.joking C.shouting D.smiling 7A.patiently B.regretfully C.cheerfully D.lightly 8A.disappointed B.ashamed C.determined D.surprised 9A.calledoff B.foughtagainst C.wentinfor D.tookup 10A.recognized B.disregarded C.avoided D.befriended 11A.Even B.Thus C.However D.Meanwhile 12A.our B.his C.my D.her 13A.interviewing B.asking C.describing D.arranging 14A.wish B.brain C.health D.will 15A.struggled B.appeared C.failed D.hesitated 16A.city B.village C.organization D.state 17A.bored B.pleased C.touched D.puzzled 18A.combination B.connection C.composition D.satisfaction 19A.behind B.in C.out D.away 20A.article B.trip C.interview D.flight
15分Thereisoneall﹣importantlawofhumanconduct.Ifweobeythatlawweshallalmostnevergetintotrouble.Infactthatlawif1obeywillbringuscountlessfriendsandconstanthappiness.Buttheveryinstantwebreakthelawweshallgetinto2endtrouble.ThelawisthisAlwaysmakeothersfeelimporlant.JohnDeweyanAmericanpsychologistonce3saythatgainingothers'srespectis4deepesturgeinhumannature.AccordingtopsychologistWilliamJamestherulingprincipleinhumannatureisthedesire5appreciate.Itisdesiresandurgeslikethese6distinguishusfromanimals.Peoplehavethoughtabouttherulesofhumanrelationshipsforthousandsofyearsbefore7discoveronerule一probablythemostimportantruleintheworldDotoothersasyouwouldhavethemdotoyou. Youwanttheapprovalofthosewith8youcomeincontact.Youwanttherecognitionofyourtrueworth.Youwanttohavethe9feelthatyouareimportantinyourlittleworld.Solet'sobeytheGoldenRulerecognizeothers'importanceandrecognizeit10honest.When?Where?Theanswerisallthetimeeverywhere.
6分Snoring打鼾isnoisybreathingduringsleep.Itisacommonproblemamongallagesanditinfluencesabout90millionAmericanadults.Peoplemostatriskaremalesandthosewhoareoverweightbutsnoringisaproblemofbothgendersalthoughitispossiblethatwomendonotpresentthiscomplaintasfrequentlyasmen. Snoringisoftentheloudorharshsoundthatcanoccurasyousleep.Yousnorewhentheflowofairmakesthetissueinthebackofyourthroatvibrate颤动asyoubreathe.Thesoundmostoftenoccursasyoubreatheinairandcancomethroughthenosemouthorbothtwoorgans.Itcanoccurduringanystageofsleep. Abouthalfofpeoplesnoreatsomepointintheirlives.Snoringismorecommonamongmenthoughmanywomensnore.Itappearstoruninfamiliesandbecomesmorecommonasyougetolder.About40percentofadultmenand24percentofadultwomenarehabitualsnorers.Menbecomelesslikelytosnoreaftertheageof70. Sleepingonyourbackmaymakeyoumorelikelytosnore.Youmaysnorewhenyourthroatortonguemusclesarerelaxed.Andsubstances物质thatcanrelaxthesemusclesmaycauseyoutosnore.Theseincludealcoholmusclerelaxantsandothermedicine. Snoringcanbeanuisancetoyourpartnerandanyoneelsenearby.Youmayevensnoreloudlyenoughtowakeyourselfup.Thoughinmanycasespeopledonotrealizethattheysnore.Snoringcanalsocauseyoutohaveadrymouthwhenyouwakeup. Lightsnoringmaynotdisruptyouroverallsleepquality.Heavysnoringmaybeconnectedwithariskfactorintheheartdiseasestrokeandmanyotherhealthproblems.Sonevertakeitlightly. 1Whydosomepeoplesnoreduringtheirsleep? A.Becausethereissomethingwrongwiththeirthroat. B.Becausenoisesaremadewhentheybreatheout. C.Becausethetissueintheirthroatisvibrating. D.Becausetheyusetheirmouthandnosetobreathemeanwhile. 2Whatcanweconcludefromthethirdparagraph? A.Mensuffermuchmorebecauseoftheirsnoring. B.Womenareeasiertobecomehabitualsnorers. C.Snoringmayhavesomethingtodowithgenes. D.Theolderyouturnthemoreseriouslyyousnore. 3Inwhichpartofawebsitecanwereadthepassage? A.Sports. B.Education. C.Culture. D.Science.
15分Lifeisfullofsurprisesandeventsthatsometimeschangeone'sdailyroutine日常事务.Someofthemmightbegoodandpleasant.1.Theunexpectedeventsmaycauseyouanxietyandstress.Soyouneedtofindsomewaystobelessaffectedbythem 2.Evenifyoulivethesamekindoflifedoingthesamethingsdayafterdaytherecouldbeunexpectedevents.Soyouneedtorealizethatsucheventscan'tbeavoidedandyouneedtobepreparedforthem.Inthiswayyou'llfinditeasiertodealwithwhateverhappensinyourlife. Haveapositiveattitude.Notallunexpectedeventsarenegative.3.Forexampleevengettingfiredfromworkcouldfinallyturnoutwellasyoumightfindamoresatisfyingjob. Alwaysfocusonthepresentmomentlearningfromitandmakinguseofnewchancesthatcomeyourway.Inotherwordsmakethemostofthepresentmomentinsteadofthinkingaboutwhatyoulostthepastorhowbadthesituationis.4. Introducesmallchangesintoyourlife.5.Youcantryeatingadifferentbreakfastordrinkteainthemorninginsteadofcoffeeordothingsthatyouusuallydobutinadifferentway. A.Thisisuselessandisawasteoftime. B.Admitthefactthatunexpectedeventsarepartoflife. C.Howevertherearesomethatarebadandunpleasant. D.Thinkbeforespeakingwhenfacingunexpectedevents. E.Thiswillhelpyoudealmoreeasilywithunexpectedevents. F.Sometimeswhatseemslikeaproblemcouldbeagoodthing. G.Itwouldbemuchmoreusefultothinkaboutthenewsituation.
6分 ChanukahFestival Activitiesforkidsofallages SundayDecember17900am﹣400pm JoinusonDecember17th20172nddayofHanukkahforourannualHanukkahFamilyFunFestforanexcitingdayoffunactivitiesforthewholefamily.TheHazimirChoirwillprovideholidaymusicalentertainment.DrumTaleswillpresentTheHeartyStoryofHanukkahshow.Therewillbeceramic陶瓷paintingofdreidelsmenorahs烛台andotherHanukkahitemsforthekids.Andfunfoodscraftsandactivitieswillbehappeningthroughouttheday.Bringthewholefamilyandenjoyafun﹣filledday! 1130﹣JollyFolliespuppetshowAges2﹣12 AfunMuppet提线木偶stylemusicalholidaystoryfollowedbyaHanukkahsingasongfeaturingtheChipmunksandotherfavoritecharacters.Adult﹩7Child﹩5 130﹣HazamirTeenChoir SponsoredbytheBermanandLernerfamiliesinmemoryofCantorMosesL.Snyder 315﹣DrumTalespresentsTheHeartyStoryofHanukkah DrumTalesisfuninteractivepercussive打击乐andmusical.Itismuchlikethetraditionaldrumcircleconcept.Itcombinesstorytellingmusicalinstrumentationandsong.Eachparticipantisgivenapercussiveinstrumentwhichbecomestheirmediaoftransportationtofarawaylandsandexotic异国情调的placestoridethewavesofmysteryofanunfoldingplotandintothedeeprealmofimaginationandthecolorfulbeyond.Drummingrhymingrappingclinkingshakingandclappingthisperformancewillleaveyoufeelingrefreshedafterhavingreturnedfromajourneythroughthesestories! Adults﹩7Child﹩5 Plusfoodandfunfortheentirefamily CraftswithBBYOandYoungJudea CeramicpaintingwithJackandJill T﹣ShirtfunwithComputerAdventures FunwithCyber﹣Connection Vendors SpecialvisitbyChanukahBubbyWords328 1HowmuchdoesafamilyofthreeakidandparentshavetopayiftheyattendJollyFolliespuppetshow? A.﹩21. B.﹩19. C.﹩17. D.﹩15. 2WhatfeelingwillyounotexperienceifyouattendtheDrumTales? A.Mystery. B.Imagination. C.Horror D.Exoticism. 3WhatisNOTincludedintheChanukahFestival? A.Fashionshow. B.Funfoods. C.Computeradventures. D.Ceramicpainting.
8分Happybirthday！Dobirthdaysreallymakepeoplehappy?Ofcoursetheydo.Wecelebratethedaywewereborn.Besidesthatextracandleonthecakesuggestsanotheryearofgrowthandmaturity﹣orsowehope.Weallliketoimaginethatwe'regettingwiserandnotjustolder.Mostofusenjoyseeingthemiracleofgrowthinothersaswell.Forinstanceseeingourchildrendevelopandlearnnewthingsmakesusfeelproud.ForAmericanslikepeopleinmostculturesgrowingupisawonderfulprocess.Butgrowingold?That'sadifferentstory. Growingoldisnotexactlypleasantforpeopleinyouth﹣oriented以年轻人为中心的Americanculture.MostAmericansliketolookyoungactyoungandfeelyoung.AstheoldsayinggoesYou'reasyoungasyoufeel.Olderpeoplejokeabouthowmanyyearsyoungtheyareratherthanhowmanyyearsold.Peopleinsomecountriesvaluetheagedasasourceofexperienceandwisdom.ButAmericansseemtofavorthosethatareyoungoratleastyoungatheart. ManyolderAmericansfindthegoldenyearstobeanythingbutgolden.Economicallyseniorcitizensoftenstrugglejusttogetby.Retirementatage65bringsasharpdecreaseinpersonalincome.Socialsecuritybenefitsusuallycannotmakeupthedifference.Olderpeoplemaysufferfrompoornutritionmedicalcareandhousing.Someevenexperienceagediscrimination歧视. UnfortunatelytheelderlypopulationinAmericaisincreasingfast.Why?Peoplearelivinglonger.Fewerbabiesarebeingbornandmiddleagedbabyboomersarerapidlyenteringthegroupsoftheelderly.Americamaysoonbeaplacewherewrinkles皱纹arein.Marketingexpertsarealreadynoticingthisgrowinggroupofconsumers. 1Peoplefeelhappywhentheycelebratetheirbirthdaysbecause. A.theycaneatcakes B.theycanbecomemorematureandwiser C.theycanreceivemanypresents D.theywillfeelyoungeratheart 2WhygrowingoldisnotexactlypleasantforpeopleinAmerica?Because. A.youngpeoplelackexperienceandwisdom B.Americanolderpeopleoftenjokeabouttheiroldage C.Americancultureisveryyoung D.differentcountrieshavedifferentopinionsontheoldage 3TheunderlinedsentenceinParagraph3means. A.thegoldenyearscanmaketheoldearnlotsofmoneyandreceivegoodmedicalcare B.theoldpeopleinAmericaleadahardlifewithoutgoodnutritionmedicalcareorhousingaftertheyretire C.theoldinAmericahavetoretireattheageof65 D.theoldcangetwhatevertheylikeexceptgold 4Theunderlinedpartinthelastsentenceofthispassagerefersto. A.theold B.theyoung C.middleagedpeople D.children
8分Thesehotelsdon'thaveallthenecessaryfacilitiesbuteachofthemofferssomethingdifferent.Don'tmissthemifyoutraveltoCanada. SleeponatrainattheTrainStationInn.ThishotelisinanoldtrainstationinNovaScotia.TheownersJamesandShelleyLeFresneusethestationandthetrainasrooms.TherearesevenoldcarsandthereisalsoarestaurantinthediningcarPricesarefrom＄89to＄169perroomortraincar. SleepinajailintheCanadiancapitalOttawa.HereyoucansleepintheolddowntownOttawaJailHostel.Therearegrouporprivatebedrooms.Therearestillbarsonthedoors!Pricesarefrom＄25to＄65.Don'tworrytherearen'tanycriminalsthere! SleepinatepeeatentoftheAmericanIndiansataUNESCOWorldHeritagesiteinAlberta.Atthishotelthereareguidedtoursandlessonsinlocalculture.Thebestpartsleepinginarealtepeeoutside.Thepriceisaround＄300or＄620forafullpackage. SleepinalighthouseattheQuirponLighthouseInn.ThishotelisonNewfoundland'sQuirponIsland.Therearegreatviewsoftheoceanfromthewindows.Thereare11privateroomsintotal.Pricesarefrom＄225forasingleto＄350forasuite.Mealsareincludedintherestaurant.ThehotelhasthetraditionallookandfeelofthelighthousesothereisnoInternetTVortelephonesintherooms.Therearetoursavailableandboattourstotheislandareincluded. 1WhatcanyoudoifyouchoosetheTrainStationInn? A.Shopintheoldtraincars. B.Learnhowtodrivethetrain. C.Havemealsinthediningcar. D.EnjoyarailtourofNovaScotia. 2InwhatwayisstayinginatepeeinAlbertaspecial? A.Itserveslocalfoodtodiners. B.Youcansleepintheopenair. C.YoucantourAlbertaforfree. D.Itofferslessonsonmakingtepees. 3WhichisunavailableattheQuirponLighthouseInn? A.Privaterooms. B.Guidedtours. C.Dailymeals. D.TheInternet. 4You'llpaytheleastifyouchoosetosleep A.intheOttawaJailHostel B.attheTrainStationInn C.inatepeeinAlberta D.attheQuirponLighthouseInn
回答下列问题 1某原子结构示意图和在周期表中的信息如图1．则该元素的质子数为该元素属于选填“金属”或“非金属”元素它在化合物中的化合价为． 2如图2形象地表示了某化学反应前后分子的变化．其中“”表示氧原子“”表示碳原子．该反应的化学方程式为．
8分Scientistshavebeenstudyinghowpeopleusemoneyforlong.Nowthey'refindingsometheoriesmayapplytoonegroupofmonkeys. Researchersrecentlytaughtsixmonkeyshostousemoney.Theygavethemonkeyssmallmetaldisks圆片thatcouldbeusedlikecashandshowedthemsomeyummyapplepieces.Themonkeyssoonfiguredoutthatiftyeygaveoneofthediskstoascientistthey'dreceiveapieceofappleinreturn. Ifyouthinkthatisallthemonkeyscanfigureoutyouarewrong.TworesearchersJakeandAllisonactedasapplesellersintheexperiments.Themonkeysweretestedoneatatimeandhad＝12diskstospendineachexperiment.JakealwaysshowedthemonkeysonapplepiecewhileAllisonalwaysshowedtwopieces.Butthat'snotnecessarilywhattheygavethemonkeys.Thenumberofapplepiecesgivenforadiskwasdeterminedatrandom. ExperimentOneAllisonshowedtwopiecesofapplesbutgavebothpieceonlyhalfthetime.Theotherhalfshetookonepieceawayandgavethemonkeyjusttheremainingpiece.Jakeontheotherhandalwaysgaveexactlywhatheshowedonepieceforeachdisk.ThemonkeyschosetotrademorewithAllison. ExperimentTwoAllisoncontinuedtosometimesgavetwopiecesandsometimesonepiece.ButnowhalfthetimeJakegavetheoneapplepiecehewasshowingandhalfthetimeheaddedabonus.Guesswhat?ThemonkeyschosetotrademorewithJake. InthefirstexperimentthemonkeyscorrectlyfiguredoutthatiftheytradedwithAllisonthey'dendupwithmoretreats.InthesecondonewhenamonkeyreceivedtwopiecesfromJakeitseemedlikeagain.WhenAllisongavethemonkeyonlyonepieceinsteadofthetwosheshoweditseemedlikealoss.ThemonkeyspreferredtradingwithJakebecausethey'drathertakeachanceofseemingtowinthanseemingtolose. Wealsosometimesmakesillybusinessdecisionsjusttoavoidthefeelingthatwe'regettinglessevenwhenwe'renot.Wouldyouhavemadethesamechoices? 1Whatconclusionmightexpertsdrawfromthefirstexperiment? A.Peoplearesmarterintermsoffinance. B.It'seasytoteachmonkeyshowtotrade. C.Businesstheoriescanapplytoallmonkeys. D.Themonkeysshowcertainbusinesssense. 2Whatdoesabonusinparagraph5referto? A.Acoin. B.Achance. C.Ametaldisk. D.Anapplepiece. 3WhydidthemonkeyschoosetotrademorewithJakeinthesecondexperiment? A.Becausetheydidn'tlikethefeelingoflosing. B.BecausetheygetmoreapplepiecesfromJake. C.BecauseJakealwaysgavethemtwoapplepieces. D.BecausetheapplepiecesfromJakewereyummy. 4Whatcouldbethebesttitleforthepassage? A.DiskforAppleWhotoTradewith? B.ShoppingforBargainSameofdifferent? C.Moneky'sBusinessSenseSmartorSilly? D.People'sBusinessDecisionLoseorGain?
下列实验方案不合理的是
15分BornonJune121929AnneFrankwasaGerman﹣Jewishteenager1wasforcedtogointohidingduringtheHolocaust大屠杀.Sheandherfamilyalongwithfourothers2spendovertwoyearsduringWorldWarⅡ3hideinanotherpartofroomsaboveherfather'sofficeinAmsterdam. Sinceitwasfirstpublishedin1947AnneFrank'sdiaryhasbecomeoneofthe4powerfulmemoirs回忆录oftheHolocaust.5itmessageofcourageandhopeinthefaceofdifficultyhasreachedmillions.Thediaryhasbeentranslatedintomorethan60languageswithover30millioncopies6sell.AnneFrank'sstoryisespecially7meaningtoyoungpeopletoday.Formanysheistheirfirstexposure接触tothehistoryoftheHolocaust. AfterbeingreportedtotheNazisAnneherfamilyand8otherslivingwiththemwerearrested逮捕andsenttoNaziconcentrationcamps.InMarchof1945several9monthaftershewasarrestedAnneFrankdied.Shewasfifteenyearsold. Hercourageandlegacyliveonandsheisfrequentlyregarded10arolemodelfortod
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. ManystudentsgotoInternetbarsplayvideogamesthattakesmuchoftheirprecioustime.SomestudentsevenstayedinInternetbarsdayandnightforgottheirstudies.Nodoubtthesestudentswillfinallyendupwiththeirbrightfuturedestroy.Furthermoresomestudentsvisitunhealthilywebsitesbyaccidents.Andtheyarefinallyabsorbedtotheexcitementofreadingunhealthystoriesorwatchingdirtyvideos.AlltheseareharmfultotheteenagersandifonlythisisnotcontrolledortheuseoftheInternetisnotproperlyguidedsomeofuswillgothewrongway.
6分STOCKHOLMMarch11Xinhua﹣﹣AlthoughstillcoldintheNordicinearlyspringSwedishkidscouldn'twaittogoforoutdooractivitiesintheearlyspring. OnSaturdayoutdoorclubsandexhibitorsbroughttheirnewproductstotheSwedishOutdoorShow2017inStockholmandencouragedkidstoplayandjointheiractivities. ThisisgoldpanningthatwedointhemiddlepartofSwedenasmalltowncalledKopparberg.ItisaniceactivityforchildrenforadultsjusttobeoutinthenatureandseethelovelynaturethatwehaveinSwedenandmaybefindsomegoldexhibitorUllaKalander﹣KarlssontoldXinhua.TheyhaveseentheprogramontelevisioncalledGoldRushthatcomesfromCanada.Somanypeopleareinterestedingoldpanningtheywanttoberich.Butyoudonotberichyoujustberichofseeingthenaturesheadded. ApartfromtraditionalactivitieslikekayakingandclimbingdivingisanotherfavoriteoutdoorsportsfortheSwedes. Stockholmissurroundedbylakesandeveryoneisreallygoingintolakesanddivingswimmingetc.KidsaretaughttoswimalreadyinschoolsoeverySwedishkidcanswimandgoingfromthereintodivingiseasyofcourseexhibitorAndersHolmbergtoldXinhua. Thethree﹣daySwedishOutdoorShowlastsuntilSundayandisexpectedtobringabout30000activeoutdoorpeoplewithdifferentinterestsandlevelsofexperience. 1HoldingSwedishOutdoorShowisto. A.makesomepeoplebecomerich B.makeaprofitfortheorganization. C.getmorepeopletogetclosetonature D.makepeoplemuchstrongerinhealth 2Theunderlinedpartinthefirstparagraphprobablymeans. A.werenotwillingtogo B.hadastrongdesiretogo C.couldhavenoalternativebuttogo D.coulddecidewhethertogoornot 3TheAuthor'spurposeofwritingthepassageisto. Ainform B.entertain C.persuade D.describe
25分假如你是李华你的英国笔友Peter即将完成学业不久前来信就是否到中国工作询问你的意见.请根据以下提示回一封电子邮件 1建议他来中国 2阐述你的理由就业机会多所学专业受欢迎不同的文化体验等 3承诺可提供帮助. 参考词汇专业major 注意 1词数100～120 2文章开头和结尾已给出不计入总词数 3可适当增加细节以使行文连贯. DearPete I'mverygladtohavereceivedtheletteryousentmelastweek. Bestwishes. Yours LiHua.
某校化学兴趣小组学习了气体的制取和收集后对相关知识进行总结请你一起参与并完成下面内容 1写出下列仪器名称ab． 2请写出装置A制取氧气化学方程式．若用E装置收集氧气则氧气应从口通入填“c”或“d” 3装置BC都可用来制取二氧化碳装置C相对于装置B在操作方面的优势是． 4加热碳酸氢钠NaHCO3固体来制取CO2应选用的发生装置为若用F收集CO2并测量生成的CO2气体的体积其中在水面上放一层植物油目的是植物油上方原有的空气对实验结果填“有”或“无”明显影响．
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. Onasnowywinternightabuswith45passengerhadanaccidentbecauseofthewetroad.Andallofthemweretrappinginthebusandwhatwasworsethebusranoutgasanditwasverycoldinit.Theycoulddonothingbuttowait.Amanlivednearbysawwhathadhappened.Heandsomevillagersmanagedtoopenthedoorandhelpedallofthemoutofabus.Thenhetookustohishomebutofferedfoodandwaterandevensomewarmclothestothechildren.Theyspenttwodaysinhishomeandhelpcamefinal.Allofthemarethankfultohimforwhathedid.
8分TodayismyfirstdayatMerchistonCastleSchoolandIwasreallynervousaboutitbecauseIhavenevervisitedtheschoolbeforeanddidn'ttakeanysummercourse.DespitemyanxietyIsoonrelaxedonceIarrivedthestaffweresonicethatIfeltmyspokenEnglishwasbetterthanitactuallywas!AssoonasIwalkedintothedayroomofmyboardinghouseIwasabsolutely完全地amazedbythefriendlyatmosphereeveryonewassofriendlythataboyasshyasIhadnodifficultyinsettinginandImademanynewfriendsonmyveryfirstdayalthoughIwasstrugglingtorememberallthenames. AlsoIrealizedtherewereotherinternationalstudentsinthehousefromallovertheworldsuchasSouthKoreaJapanandRussia.AlthoughtheirEnglishwasnotsofluentitdidn'ttakelongforustounderstandeachotheratall.InsomewaysitwasevenbettertopracticeEnglishbyspeakingtotheinternationalstudentsbecausewewerebothlearning. AsaboarderthequalityoffoodissomethingIconsiderveryimportantandMerchistonhasnotletmedown.Theschoolkitchensarerunbyaprofessionalcateringcompanyandthequalityoffoodisexcellent.Alsotheytaketheissueofahealthydietreallyseriously.IrememberonceIwasaskedtotakemoresaladformymealbyamemberofthekitchenstaffforIdidnothaveenoughvegetables.Thisbringstoanotherpointofbeingaboarderyouneedtolearnhowtolookafteryourselfandberesponsibleforyourself.Oneofthehugeadvantagesofbeingaboarderisthatwecanhavebreakfastintheschoolwhichmeanswedon'thavetopullourselvesoutofthebedasearlyasthedaypupils! 1WhywasthewriternervouswhenhewasatMerchistonCastleSchoolonthefirstday? A.Becausehehadnofriendsandrelativesthere. B.Becausehedidn'tknowtheschoolwell. C.BecausehewasnotgoodatEnglish. D.Becausehewasshy. 2Onthefirstday. A.thoughthewriterwasanxioushesoonrelaxed B.hefoundthedayroomofhisboardinghouseterrible C.hemademanynewfriendsbuthedidn'trememberanyoftheirnames D.hethoughthespokeEnglishbetterthanthestaffintheschool 3WhichofthefollowingisWRONGaccordingtothepassage? A.IntheboardinghousethereareonlystudentsfromSouthKoreaJapanandRussia. B.Theinternationalstudentsintheboardinghousedon'tspeakEnglishveryfluently. C.ThefoodinMerchistondoesn'tmakethewriterdisappointed. D.Theprofessionalcateringcompanythinkstheissueofahealthydietveryimportant. 4Theunderlinedwordboarderinthelastparagraphmeans. A.astudentwhoisfromabroad B.astudentwholivesatschool C.astudentwhoisgoodatEnglish D.astudentwhousedtobeshy
10分1Therewerefewpeopleontheearthandnaturalresourcesseemedtobeunlimited.Todaythingsaredifferent.Theworldhasbecometoocrowded.Weareusingupourresourcestooquicklyandatthesametimewearepollutingourenvironmentwithdangerouschemicals2. Everyonerealizestodayiftoomanyfisharetakenfromtheseatherewillsoonbenoneleft.Yetwithmodernfishingmethodsmoreandmorefisharecaught.Weknowthatiftoomanytreesarecutdownforestswilldisappearandnothingwillgrowintheland.Yetwecontinuetousebiggerandmorepowerfulmachinestocutdownmoreandmoretrees.3Howeverinmostcountrieswasteproductsarestillputintoriversorintotheseaandtherearefewlawstostopthis.Weknowtoothatifthepopulationoftheworldcontinuestoriseinafewyearstherewillnotbeenoughfood. 4Ifweeatmorevegetablesandlessmeattherewillbemorefoodavailableforeveryone.Landthatisusedtogrowcropsfeedsfivetimesmorepeoplethanlandwhereanimalsarekept.5theworldpopulationwillnotrisesoquicklyifpeopleusemodernmethodsofbirthcontrol.Finallyifweeducatepeopletothinkaboutthproblemsweshallhaveabetterandcleanerplanetinthefuture. A.Whatcanwedotosolvetheseproblems? B.Soweshouldtryourbesttoprotecttheenvironment. C.Inthepastmandidn'thavetothinkabouttheprotectionofhisenvironment. D.Werealizethatiftheriversarepollutedwithwasteproductsfromfactorieswewilldie. E.Whydosomepeopledosofoolishthings? F.Ifwecontinuetodothishumanlifewon'tsurviveinthefuture. G.Outnaturalresourceswilllastlongerifwelearntorecyclethem.
8分IdecidedtoskitotheNorthPole.ItwasafterIsawanadvertisementinanewspaperlookingforpeopletojoinateamtoski350milestotheNorthPole.Backin1996therehadneverbeenawomanfromtheU.K.whohadaccomplishedthischallenge.IwonderedwhatitwouldbeliketosurviveintemperaturescoldenoughtofreezeyourfleshinsecondssoIsentofffortheapplicationform. Theapplicationformfullofpicturesofmaleexplorersarrived.ThewordsAreyoumanenoughfortheultimate极端的challenge?mademeangryandevenmoredeterminedtogetontheteam. Over500individualsappliedforaplaceintheteamandtheselectionprocessincludedphysicalandpsychologicaltestsdesignedtopickthebestgroup.InonetesttherewasahugeropeladderwehadtoclimbandIfrozeatthetopbecauseIhaveafearofheights.Ithoughtmyhopeswerefadingasmostotherapplicantssailedpastleavingmebehind.ButtwoothershelpedmeoverandlaterIfoundoutthattheorganizerswerenotlookingforamazingindividualsbutgreatteamplayersandthismomenthadshownthemwhowouldtakecareofothersintheteam. Ihadrevealed展示myweaknessandinaplaceliketheArcticyouhavetobeyourselfasthereisnowheretohide.Thesepersonalitiesofaskingforhelpandshowingweaknessarenecessaryforwomentomaster. IrealizedthatbybeingmyselfIcouldsucceed.Iwasselectedfortheteam.IrealizedthatIcouldachievemorethanIeverimagined﹣﹣﹣moreimportantlybysharingmystorywithothersIcouldinspirethemtotakeastepintothenewworldandrevealmoreoftheirabilities. 1Howdidtheauthorreactonseeingtheadvertisement? A.Shegotcross. B.Shewasdetermined. C.Shegotfrightened. D.Shewashesitating. 2Whatdidtheorganizersviewasthemostimportantintheselection? A.Personalquality. B.Individualability. C.Spiritofteamwork. D.Couragetochallenge. 3Whatdoestheauthorthinkofwomen'sshowingweakness? A.Beneficial. B.Shameful. C.Merciful. D.Disturbing. 4What'stheintentionoftheauthorinwritingthispassage? A.Toinspireustoprepareforourfuturegoal. B.Toadvisewomenhowtoturntoothers. C.Tomakesuggestionstoherteammembers. D.Toencouragepeopletoexploretheunknown.
下列关于实验现象的描述正确的是
30分OnewinterwhenIwaseightmyfatherandItookaridetoAuntSally'shouse.Halfwaybackhomethecar1toshakeandslowdown.Dad2thatthecarhadaflattire.Tomake3worsewewerestuckinthemiddleofasnowstorm.Icouldhearthe4inmydad'svoiceashesaidwecouldonlyuseaChristmasmiraclerightnow.IrememberhowmuchI5thatoldredcarmainlybecausetheradiodidn'twork.Actually6reallyworkedinthatcarbut7Dadgothismiracle﹣theheaterbegantooperateandwewerevery8thatwewouldn'tfreezetodeath.We9thereforsomeonetocomealongandhelpusout. Thecoldwindstartedblowingin10thelittlespaceinthedoorandthewindow.Itwhistledandmoanedand11meverymuch.FromthewindIcould12thepinetreeintheairtiedtotheroofofthecar.DadandIbothbegansearchingforsome13toclog堵塞thatthinspaceto14thecoldout.AsI15myjacketpocketIrealizedtherewasapieceoffoldedpaperinit.Ipulleditout16torealizethatitwasthewordsofthecarol颂歌Hallelujah.Ihadasudden17tosingsoIbegantosingit.Dadalso18menowandthen.BythetimeIsangHallelujahafterthesecondversethewindshad19.Aswesang…andeverybreathwedrewwasHallelujahwehearda20honk喇叭声comingfrombehindus.ItwasmyuncleMitchcomingourwaywithhelp. 1A.continued B.tended C.refused D.began 2A.wished B.realized C.doubted D.imagined 3A.conditions B.images C.things D.roads 4A.helplessness B.excitement C.sadness D.disappointment 5A.wanted B.hated C.repaired D.missed 6A.something B.anything C.nothing D.everything 7A.luckily B.expectedly C.generally D.regularly 8A.afraid B.thankful C.sure D..hopeful 9A.called B.asked C.waited D.looked 10A.through B.by C.across D.between 11A.encouraged B.loved C.surprised D.scared 12A.see B.admire C.smell D.grow 13A.way B.time C.person D.energy 14A.give B.take C.let D.keep 15A.fellinto B.reachedinto C.lookedinto D.putinto 16A.just B.even C.only D.still 17A.desire B.chance C.change D.act 18A.supported B.praised C.joined D.comforted 19A.grew B.calmed C.started D.stopped 20A.strange B.familiar C.frightening D.boring
15分TheTowerBridgeisoneofthetwenty﹣sevenbridgesovertheRiverThames.ItisclosetotheTowerofLondonfrom1theTowerBridgegotitsname.ItisasymbolofLondon. ItisrecordedthattheTowerBridge2buildin1894andnowitisoneofthe3famousbridgesintheworld.It'sinterestingthatitsmiddlepartcanberaised4letbigshipspass.Itusedtoberaisedabout50timesadaybutnowitisraisedonly4to5timesaweek.Ifyouareluckyenoughtoseethebridgewithitstwoarmsopenhighintheairyou'llneverforgetit. PeopleoftenthinktheTowerofLondonandtheTowerBridgeare5thesameage.6infacttheTowerofLondonwasbuilt1000yearsagowhilethelatteronly7haveahistoryofover100years. TheTowerBridgewasfirstpaintedchocolatebrown.Lateritwaspaintedredwhiteandblue.ItspicturealsoappearedintheopeningoftheSummerOlympicGames8holdinLondonin2012.Socometovisitthefamousbridge.You'll9surehaveawonderfulexperienceandit'llleaveyoualasting10impress.
下列有关金属的说法不正确的是
某兴趣小组用10g镁条与一定溶质质量分数的稀硫酸反应．测得产生氢气的质量与稀硫酸的质量关系如图所示假设镁条中除表面含有氧化镁外．没有其他杂质 1当所用稀硫酸的质量为70g产生的氢气的质量为 2用化学方程式说明当稀硫酸的质量为10g时为什么不产生氢气 3计算稀硫酸中溶质的质量分数
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