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已知f（x）＝sin（2019x+）+cos（2019x﹣）的最大值为A，若存在实数x1、x2，使得对任意实数x总有f（x1）≤f（x）≤f（x2）成立，则A|x1﹣x2|的最小值为（ ）
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高三下学期数学《》真题及答案
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5.00分南宋数学家秦九韶在数书九章中提出的秦九韶算法至今仍是多项求值比较先进的算法已知fx=20
n=i
n=2019﹣i
n=i+1
n=2018﹣i
南宋数学家秦九韶在数书九章中提出的秦九韶算法至今仍是多项求值比较先进的算法已知fx=2019x20
n=i
n=2019﹣i
n=i+1
n=2018﹣i
已知函数y＝fx为定义在R上的奇函数且在[0+∞单调递减当x+y＝2019时恒有fx+f2019＞
函数fx+＝x3+2019x﹣2019﹣x+1若fsinθ+cosθ+fsin2θ﹣t＜2对∀θ∈
已知函数fx＝sinx＋cosx－|sinx－cosx|则fx的值域是.
已知y＝fx+cosπx是奇函数且f2019＝1．若gx＝fx+2则g﹣2019＝
1
2
3
4
已知Fx=∫sin2xdx则Fx的导函数F′x=
2cos2x
cos2x
2sin2x
sin2x
设函数fx是定义在-∞0上的可导函数其导函数为f′x且有2fx+xf′x＞x2则不等式x+2019
（-2019，-2017）
（-2019，-2018）
（-2021，-2019）
（-2020，-2019）
已知函数fx满足f0=2且对任意x∈R都满足fx+3=-fx则f2019的值为
2019
2
0
-2
已知函数fx对任意的x∈R都有2019fx+f'x＜0且f1＝e-2019那么不等式fx＞e-20
已知函数fx＝sinx＋lnx则f′1的值为
1－cos1
1＋cos1
cos1－1
－1－cos1
已知函数fx对任意的x∈R都有2019fx+f'x＜0且f1＝e﹣2019那么不等式fx＞e﹣20
已知fsinx＝cos3x则fcos10°＝________.
设函数fx是定义在﹣∞0上的可导函数其导函数为f′x且有2fx+xf′x＞x2则不等式x+2019
（﹣2019，﹣2017）
（﹣2019，﹣2018）
（﹣2021，﹣2019）
（﹣2020，﹣2019）
已知ω＞0a＝2sinωx＋cosωx2sinωx－cosωxb＝sinωxcosωx.fx＝a·b
已知fx＝sin2019x++cos2019x﹣的最大值为A若存在实数x1x2使得对任意实数x总有
已知α∈R.则函数fx=1﹣sin2x+α+cosx+αsinx+α的最大值为.
已知fx＝+2xf′2019﹣2019lnx则f'2019＝
2018
﹣2018
2019
﹣2019
已知－
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Fewfactsaboutmodemlifeseemmoreundeniablethanhowbusyeveryoneseemstobe.Acrosstheindustrializedworldlargenumbersofsurveyrespondentstellresearchersthey'reoverburdenedwithworkattheexpenseoftimewithfamilyandfriends. ButthetotaltimepeopleareworkingwhetherpaidorotherwisehasnotincreasedinEuropeorNorthAmericainrecentdecades.What'smorethedataalsoshowthatthepeoplewhosaythey'rethebusiestgenerallyaren't. Partoftheanswerissimpleeconomics.Aseconomiesgrowandtheincomesofthebetter﹣offhaverisenovertimetimehasliterallybecomemorevaluableAnygivenhourisworthmoresoweexperiencemorepressuretosqueezeinmorework. Butit'salsoaresultofthekindofworkinwhichmanyofusareengaged.Inthepastfarmingworkwassubjecttoweatherlimitswhileatpresentpeopleliveinanunlimitedworldandtherearealwaysmoreincomingemailsmoremeetingsmorethingstoreadanddigitalmobiletechnologymeansyouhaveafewmoreto﹣dolistitems. Withtimepressureweighingusdownit'shardlysurprisingthatwelivewithoneeyeontheclock.Butpsychologicalresearchdemonstratesthatthistime﹣awarenessactuallyleadstoworseperformance.Sotheironicconsequenceofthebusyfeelingisthatwecouldhandleto﹣dolistlesswellthanifweweren'tsorushed. Arguablyworstofallthefeelingofrushspreadstoaffectourleisuretimesothatevenwhenlifefinallydoespermitanhourortwoforrecoveryweendupfeelingthatleisuretimeshouldbespentproductivelytoo. Ifthere'sasolutiontothebusynessepidemic流行病otherthantheuniversal21﹣hourworkweekitmaylieinclearlyrealizingjusthowreasonableourattitudeshavebecome.Historicallytheultimatesymbolofwealthachievementandsocialsuperioritywasthefreedomnottowork.Nowit'sbusynessthathasbecometheindicatorofhighstatus.Thebest﹣offinoursocietyareoftenverybusyandhavetobesaysGershunny.YouaskmeamIbusyandItellyou‘YesofcourseI'mbusybecauseI'manimportantperson! Toooftenwemeasureourworthnotbytheresultsweachievebutbyhowmuchofourtimewespend.Welivecrazylivesatleastinpartbecauseitmakesusfeelgoodaboutourselves. 1Accordingtotheauthorpeople'sfeelingaboutbusynessresultsfrom. A.theincreaseintimevalue B.thesacrificeoffamilytime C.thelongerworkingtime D.thechangeofworkingpartners 2Theunderlinedphraseweighingusdowninparagraph5isclosestinmeaningto. A.makingusoverburdened B.havingapositiveeffectonus C.measuringusinallaspects D.givingustimeforreflection 3WhichofthefollowingstatementsisTRUEaccordingtothepassage? A.Thesolutiontobusynessisapplyinga21﹣hourworkweek. B.Ifpeoplehadleisuretimetheywouldrelaxthemselves. C.Thefeelingofbeingburdenedspellslowproductivity. D.Freedomisoverrepresentedinthecurrentsociety. 4Whatdoesthepassagemainlyconcernedwith? A.Themeasurementofwealthinthecurrentsociety. B.Theevolutionofpeople'sattitudetowardsbusyness. C.Thehiddenreasonsandeffectsofpeople'sbusyness. D.Thesolutiontoprioritizingthecrucialtasksinbusyness.
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StudentsinCaldwellIdahocanattendclassintheirpajamas睡衣!AtVallivueVirtualAcademycoursesaretaughtonline.Studentsworkathomewithparentswhoserveaslearningcoaches.Acertifiedteacher1thestudents'progress. Thecyberschoolwas2asafreeoptionforstudentsinkindergartenthroughgrade8whohavetroublesucceedinginthedistrict's3publicschool.Supportersoftheprogramsaythatvirtualschoolshelpstudentsavoidthesocialpressuresthatcan4withlearning.Inadditionsupportersargueonlinecoursesprovidekidswithmorefocused5andcourseoptionsthantheycangetinatypicalschool. Noteveryonegivescyberschoolsapassinggradehowever.Someeducatorsarguethatonlinelearningmakesithardforstudentstomakefriends.Manyparentsalsofeelthatcyberschoolsput6timedemandsonthembecausetheyhavetooverseetheirkids'dailywork. Technologycanbenefiteducationbutitshouldn't7education.Studentswhogotovirtualschoolswillmissmanyofthebenefitsofbeinginarealschool. Ifkidsattendschoolonlinetheywillmissoutonimportantsocial8.PaytonMcdonough13aseventhgraderfromGlencoeIll.agrees.Idon'tknowhowIcouldsitatacomputeralldaywithout9interactingwithmypeersandteachershesays. Inadditionvirtualschoolsdon'thaveenoughstructure.Studentswhotakeonlinecoursescansettheirownscheduleswhichwillcauseproblemsforstudentswhohavetroublestaying10. Furthermoreonlineschoolingputsstressonparentsbecausetheyhaveto11whattheirkidsdoathome.Manyparentshavefull﹣timejobs.Howaretheygoingtoruntheirchildren'seducation12intheirjobsandtakecareoftheirotherresponsibilitiesathome? Virtualschoolswillmakeitharderforstudentstolearnandwillputtoomuchpressureonparents. Virtuallearningdoesnotneedtoreplaceclassroomlearning13butitcanhelpstudentsworkattheirownpace.Ifstudentsstrugglewithsubjectstheycantakethosecoursesonlineandspendmoretimeonthem.Virtualschoolscanalsoofferstudentsmuchmore14schedules.Studentsoftenhandleextracurricularactivitiessportsandschoolworkandcyberschoolscouldhelpthemmanageeverything. Finallyattendingvirtualschoolcanpreparestudentsforcollegeandforworkafter15.WeneedtoberesponsibleforworkingonourownsaysAngelaGosciloaseniorfromPoundRidgeN.Y.Weneedtodeveloptechnologyskillsthatwillhelpusinwhateverwedo.Gettinganearlystartisagoodidea. 1A.oversees B.suspected C.admitted D.predicted 2A.tolerated B.launched C.undergone D.transformed 3A.virtual B.superior C.traditional D.specialized 4A.agree B.putup C.go D.interfere 5A.attention B.definition C.foundation D.instruction 6A.unlimited B.uncivilized C.unrealistic D.unaffected 7A.turnto B.takeover C.takein D.makeup 8A.interactions B.education C.occupation D.identification 9A.actually B.presently C.naturally D.logically 10A.examined B.motivated C.exhausted D.represented 11A.compliment B.award C.supervise D.tempt 12A.negotiate B.innovate C.control D.excel 13A.entirely B.partially C.regularly D.purposely 14A.sustainable B.flexible C.relevant D.optimistic 15A.school B.study C.graduation D.education
IhadateacherwhousedtowakeusupinclassbyshoutingTheearlybirdgetstheworm!Isaylethimhavetheworm.Ihatefoodthatdoesn'tstaystillandavoidJapaneserestaurantsforthatveryreason.AnywayIstoppedeatingwormsattheageofthreeswitchingtoregularbreakfastsofcereal谷物towhichIwouldaddextrasugar. RecentlyIwasthinkingaboutearlybirdsandthecompetitivespiritafterreceivingaletterfromareaderinMalaysiaMysondeliberatelythrowsawaymarksbecausehedoesn'tliketobetopoftheclass.WhatshallIdo?Givehimaroundofapplauseforbeingsmart!ActuallymanychildreninAsiatendtobethefocusbyperformingbetter. PlacedintoaverycompetitiveclasswhenIwas11Iquicklylearnedtheidealpositionwassecondtolast.Thetopthreeperformersandtheverylastpersonarehighlightedthesecond﹣to﹣lastcontestantisINVISIBLE.Andifsaneasypositiontoget～justdeliberatelyunderperformateverytest.Icoulddothat.Ioncecamesecondtolastineightstraightsportsdayraces.Noonesuspectedanything.IwassoinvisiblethatIcouldhaverobbedabankinmystreetandnoonewouldhavenoticed. AttheLondonOlympicsafewmonthsagobadmintonpairsfromthreeAsiancountriesdeliberatelytriedtolosematchestodrawgoodlotsinlaterrounds.Itwasfunnytowatchbuttheywereallthrownoutforpoorsportsmanship.Whattheyreallyneededwereactinglessonstheirmovesweresounconvincing.OopsIhittheballinentirelythewrongdirection. TheotherdayItookthechildrenoutandtheyracedforthecar.I'mfirstsaidone.ThesecondsaidFirstisworstsecondisbest.TogethertheysangatthelastoneAndthird'stheonewithahairychest. Itstruckmethattheorganizersofsportsmatchescouldusethissongwhenpeopledeliberatelylosematches.Ilostthedelightedloserwillsay.ThejudgescouldstilldeclarethemwinnerspointingtoanewoptionalregulationFirstisworstsecondisbestthird'stheonewithahairychest. 1WhydidtheauthordislikeJapaneserestaurant? A.Itsfoodwasservedraw. B.Itsfoodcontainedworms. C.Hewastemptedbycereal. D.Hewasaffectedbythesaying. 2Howdidtheauthormanagetobeinvisibleinacompetitiveclass? A.Hehighlightedthetopthreestudents. B.Hecametosecondinsportsraces. C.Hehidhimselfinabankskillfully. D.Heintentionallyunderperformed. 3Whatcanbelearnedfromthepassage? A.Thejudgeisencouragedtoeliminatethedishonestplayers. B.PlayersdisqualifiedfromOlympicdoublesforusingdrugs. C.Children'ssongpraisesthedramaticactingskillsofathletes. D.Playerspurposefullyfailedforeasierlotsinthefollowingrounds. 4Whichsayingmighttheauthorpossiblysupport? A.Greatmindsthinkalike. B.Godfavorsthosewhoareprepared. C.Honestyisthebestpolicy. D.Abirdinhandisworthtwointhebush.
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DirectionsWriteanEnglishcompositionin120—150wordsaccordingtotheinstructionsgivenbelowinChinese. 日前一社会机构对高中生认为最有用的手机app类型进行调查结果如下 请简单描述以上数据并结合自身实际谈谈你对这一调查结果的看法. 文中不得出现考生姓名学校等真实信息
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UNIQLO'sfoundertriestofindawaytobeatZaraandH&M WhenaskedwhatguideshisvisionofUNIQLOTadashiYanaiitsfounderandchiefexecutivepullsofftheshelfthe1987autumn/wintercollectioncatalogueofNextamass﹣marketBritishretailer.Alloftheclothesareso1hesaysthattheycouldbeworntoday.WhileZaraofSpainandH&MofSwedenfollowfashiontrendswithouthavinganyoriginalthoughtUNIQLOofJapan2totimelessbasics. Mr.Yanaihasa/an3baseathomefromwhichtodevelopintohisWesterncompetitors'mainmarketsofEuropeandAmerica.Butinsteadhis4remainsAsia.Asiaistheengineofgrowthtodayhesayspointingtothemillionsofconsumersacrossthe5whoarereachingthemiddleclass.UNIQLOwillopenitsfirstshopinIndiathisyearandisconsidering6intoVietnamandothercountriesithasalreadyopenednetworksofshopsinIndonesiaSingaporeandThailand. ThesuccessornotofUNIQLO'soverseasoperations7greatlytoinvestorsathome.FastRetailing'sshares﹣Mr.Yanaiownsjustover20%ofthefirm﹣havebeenrisingsince2015analystsestimatelargelyowingtoitsinternationalexpansionandimprovedlogistics物流.Athomethefirmisclosingstoresbecausethepopulationis8.LastyearUNIQLO'sinternationalprofitsovertookits9salesforthefirsttimeanditsforeignoperatingprofitsalmostequaleditsJapaneseequivalent. ThoughtheyareverydifferentmarketsEuropeandAmericaofferacautionarytale.UNIQLOinAmericastruggledoutsidethebigcitiesoftheeastandwestcoasts.GrowthinAmericaremains10forUNIQLOboththereandinEurope.HoweverMr.YanaianenthusiasticfanofglobalizationisconfidentthathecanguideUNIQLOthroughthechangesneeded.
如图中的阴影部分面积等于．
火车的速度是120千米/时燕子的速度是150千米/时．火车的速度是燕子的%．
这些难民不应该成为移民因为他们最终将回到自己的国家去.since
ThebiggesthouseofcardsthelongesttongueandofcoursethetallestmantheseareamongthethousandsofrecordsloggedinthefamousGuinnessBookofRecords.Createdin1955afteradebate1concernEurope'sfastestgamebird2beganasamarketingtoolsoldtopublandlords3promoteGuinnessanIrishdrinkbecamethebestsellingcopyrighttitleofalltimeacategorythatexcludesbookssuchastheBibleandtheKoran.Intimethebookwouldsell120millioncopiesinover100countries﹣quitealeapfromitshumblebeginnings. Initsearlyyearsthebooksetitssightson4satisfyman'sinborncuriosityaboutthenaturalworldaroundhim.ItstwoprincipalfactfinderstwinsNorrisandRossMcWhirtermovedwildlyaroundtheglobetocollectfacts.Itwastheirtasktofindanddocumentaspectsoflifethatcanbesensedorobservedthingsthatcanbequantifiedormeasured.Butnotjustanythings.Theywereonlyinterestedinsuperlativesthebiggestandthebest.Itwasduringthisperiod5someoftheremarkableGuinnessRecordsweredocumentedansweringsuchquestionsasWhatisthebrighteststar?andWhatisthebiggestspider? Onceawareofthepublic'sthirstforsuchknowledgethebook'sauthorsbegantobranchouttocoverincreasinglydoubtfullittle﹣knownfacts.Theystarteddocumentinghumanachievementsaswell.AforerunnerforrealitytelevisiontheGuinnessBookgavepeople6chancetobecomefamousforaccomplishingoddoftenpointlesstasks.Recordsweresetin1955forconsuming24raweggsin14minutesandin1981forthefastestsolvingofaRubik'sCubewhichtookamere38seconds.In1979amanyodeled用真假嗓音交替唱non﹣stopfortenandaquarterhours. Initslatestappearancethebookhasfoundanewhomeontheinternet.Nolonger7restricttothelimitsofphysicalpapertheGuinnessWorldRecordswebsitecontainsseeminglyinnumerablefactsconcerningsuchtopicsasthemostpowerfulcombustion燃烧engineortheworld'slongesttrain.Whatisstrikinghoweveristhatsuchfactsarefoundsharingapagewiththerecordoftheheaviesttraintobepulled8abeard. OriginatingasasimplebarbooktheGuinnessBookofRecords9evolveoverdecadestoprovideinsightintothefullrangeofmodernlife.Andalthoughonemaybe10likelynowtolearnaboutthewidesthumanmouththanthehighestnumberofcasualtiesinasinglebattleoftheCivilWartheGuinnessWorldRecordswebsiteoffersatellingglimpseintothefutureoffact﹣findingandrecord﹣recording.
一个数的减去4.5的5倍差是18这个数是多少用方程解
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18和24所有的公约数的和是所有公约数的积的
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A.Onereasonthatit'surgentisthatcountriesaresendingmoreandmoreobjectsintospace. B.Therearealsomillionsofsmallerpiecesofjunkthatwecan'tsee. C.Blowingupoldersatelliteswithamissilemaycreatethousandsofsmallerpieces! D.Intheupperpartsoftheatmosphereitwillburnup. E.Whentwoobjectsinspacecollidethetwoobjectsbreakintomanysmallerpieces. F.Yearsofspaceexplorationhavelefttonsofspacejunkinorbitaroundtheplanet. ManypeopleknowthattrashisabigproblemonplanetEarth.Whatmanypeopledon'tknowisthattrashhasbecomeaprobleminouterspacetoo.1Statisticallytherearemorethan22000piecesofjunkinspacearoundtheearth.Andthesearejusttheitemsthatwecanseefromthesurfaceoftheearthbytelescopesorradars.2Objectslikebitsofoldspacerocketsorsatellitesmovearoundtheplanetatveryhighspeedssofastthatevenaverysmallpiececanbreakimportantsatellitesorbecomedangeroustopeopleparticularlyastronauts.Ifthetiniestpieceofjunkcrashedintoaspacecraftitcoulddamagethevehicle.That'sbecausethefasteranobjectmovesthegreatertheimpactiftheobjectcollideswithsomethingelse. Tohelpminimizeadditionalspacejunkcountriesaroundtheworldhaveagreedtolimitthetimetheirspacetoolsstayinorbitto25years.Eachtoolmustbebuilttofallsafelyintotheearth'satmosphereorthemassofgasesthatsurroundtheearthafterthat.3Manyscientistsarealsoproposingdifferentwaystocleanupspacejunk.TheGermanshavebeenplanningaspacemissionwithrobotsthatwouldcollectpiecesofspacetrashandbringthembacktoEarthsothattheycanbesafelydestroyed. Inouropiniontheproblemisverychallengingandit'squiteurgentaswellsaidMarcoCastronuovoanItalianSpaceAgencyresearcherwhoisworkingtosolvetheproblem.4Manyoftheseobjectsaretoolsthathelppeopleusetheircellphonesorcomputers. Thetimetoactisnowaswegofartherintimewewillneedtoremovemoreandmorefragmentshesays.
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DirectionsReadthefollowingpassage.Summarizethemainideaandthemainpointsofthepassageinnomorethan60words.Useyourownwordsasfaraspossible.LonelinessPeaksForyearsAmericahasbeentalkingaboutobesitybutanewstudypointstoamoreserioushealthissueisolationandloneliness.Beingconnectedtootherssociallyiswidelyconsideredafundamentalhumanneed﹣crucialtobothwell﹣beingandsurvival.Extremeexamplesshowinfantswholackhumancontactincarefailtogrowandoftendie.Indeedsocialisolationhasbeenusedasaformofpunishment.AccordingtoJulianneHolt﹣LunstadtheleadauthorofthestudyanincreasingportionoftheU.S.populationnowexperiencesisolationregularly.Over42millionadultsaboveage45intheU.S.areestimatedtobesufferingfromchronic长期的loneliness.Thestudyof340adultsbetweentheagesof27and101livinginSanDiegoidentifiedthreekeyagerangeswhenpeoplefelttheloneliest.Participantswhohadthehighestlevelsoflonelinesswereintheirlate﹣20smid﹣50sandlate﹣80s.Whileitmaycomeasasurprisethatpeopleintheirlate﹣20ssufferedfromlonelinessalargersurveyshowstheyactuallymaysufferthehardest.Withanincreasingnumberofpeopleworkingfromhomewatchingtelevisiongettingintoanaddictiontoelectronicdevicesithasbecometooeasytobealoneevenifthat'snotaperson'sintention.Moderndayconvenienceslikehavinganythingwewantdeliveredmakeitpossibletoneverneedtoleavethehouse.Sonotsurprisinglythosewithfrequentsocialcontactusuallyfeellesslonelythanthosewithfewsocialties.Mountingevidencesuggestssocialisolationandlonelinesssignificantlyimpactourhealthandevenshortenourlivesjustlikeobesity.Thisstudyisn'tthefirsttimelonelinesshasbeenflaggedasanemerginghealthissue.Thereforereducingbothisolationandlonelinessisimportantforqualityoflifeandwell﹣being.
MiltonHersheywasbornnearthesmallvillageofDerryChurchPennsylvaniain1857.Heonlyattendedschoolthroughthefourthgradeatthatpointhewasapprenticed做学徒toaprinterinanearbytown.AfterawhilehelefttheprintingbusinessandwasapprenticedtoaLancasterPennsylvaniacandymaker.AndattheageofeighteenheopenedhisowncandystoreinPhiladelphia.Inspiteofhistalentsasacandymakertheshopfailedaftersixyears. AfterthefailureofhisPhiladelphiastoreMiltonheadedforDenverwherehelearnedtheartofmakingcaramels焦糖.TheninDenverMiltononceagainattemptedtoopenhisowncandy﹣makingbusinessesinChicagoNewOrleansandNewYorkCity.Finallyin1886hewenttoLancasterPennsylvaniawhereheraisedthemoneynecessarytotryagain.Thiscompany﹣theLancasterCaramelCompany﹣establishedMilton'sreputationasamastercandymaker. In1893MiltonattendedtheChicagoInternationalExpositionwherehesawadisplayofGermanchocolate﹣makingimplements.FascinatedbytheequipmenthepurchaseditforhisLancastercandyfactoryandbeganproducingchocolatewhichheusedforcoatinghiscaramels.Bythenextyearproductionhadgrowntoincludecocoasweetchocolateandbakingchocolate.TheHersheyChocolatecompanywasbornin1894asasubsidiary子公司oftheLancasterCaramelCompany.SixyearslaterMiltonsoldthecaramelcompanybutreservedtherightsandtheequipmenttomakechocolate.Hebelievedthatalargemarketofchocolateconsumerswaswaitingforsomeonetoproducereasonablypricedcandy.Hewasright. MiltonHersheyreturnedtothevillagewherehehadbeenbornintheheartofdairycountryandopenedhischocolatemanufacturingplant.Withaccesstoallthefreshmilkheneededhebeganproducingthefinestmilkchocolate.TheplantthatopenedinasmallPennsylvaniavillagein1905istodaythelargestchocolatefactoryintheworld.Thesweetscreatedatthisfacilityarefavoritesaroundtheworld. TheareawherethefactoryislocatedisnowknownasHersheyPennsylvania.WithinthefirstdecadesofitsexistencethetownofHersheythrivedasdidthechocolatebusiness.Abankaschoolchurchesadepartmentstoreevenaparkandatrolleysystemallappearedinshortorderthetownsoonevenhadazoo.TodayavisittothearearevealstheHersheyMedicalCenterMiltonHersheySchoolandHershey'sChocolateWorld﹣athemeparkwherevisitorsaregreetedbyagiantReesesPeanutButterCup.Allofthesethings﹣andahugenumberofhappychocolatelovers﹣weremadepossiblebecauseacaramelmakervisitedtheChicagoExpositionof1893! 1Thementionofthe1893Expositionindicatesthat A.theexpositioninChicagoisheldonceeverythreeyears. B.thethemeoftheexpositionof1893wasFoodfromAroundtheWorld. C.theexpositioncontaineddisplaysfromavarietyofcountries. D.thesiteoftheexpositionisnowabranchoftheHersheyChocolateCompany. 2AccordingtothepassageMiltonHersheysoldhiscaramelcompanyin A.1894. B.1900. C.1904. D.1905. 3Whatcanyouinferfromthepassage? A.Chocolateispopularineverycountryintheworld. B.ReesesPeanutButterCupsaremanufacturedbytheHersheyChocolateCompany. C.ChocolatehadneverbeenmanufacturedintheUnitedStatesbeforeMiltonHersheydidit. D.TheHersheyChocolateCompanynowmakesmoremoneyfromHershey'sChocolateWorldthanfromthemanufactureandsaleofchocolate. 4Theauthorwrotethispassagemainlyto A.recountthefoundingoftheHersheyChocolateCompany. B.describetheprocessofmanufacturingchocolate. C.comparethepopularityofchocolatetoothercandies. D.explainhowapprenticeshipswork.
修一条公路已经修了全长的离中点还有7千米这条公路全长多少千米
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