第1題ZhengHe'svoyagetotheWesthasabout______ships.

A1000B200C500D5第2題WhatisthemeaningofZhengHe'svoyagestotheWest?

AHeopenedadirectrouteconnectingtheWesternPacificOceanandtheIndianOcean.B

DemonstratingtotheworldthestrengthofChinaintheearlyMingDynasty.C

RepresentingthepeakofChina'smaritimeexplorationandisthelastinternationaleventinancientChinesehistory.

DAllofabove.第3題WhichonedoesnotbelongtotheuniqueAmericancropdiscoveredbytheColumbusfleet?___.ACornBPotatoCTomatoDSweetpotato第4題InthefirstvoyageforVascoGamatoIndia,howmanyboatwereburnedforvariousreasons?

A0B1C2D3第5題ThetaskofMagellan’s

journeyistofind___.ASilkBIvoryCPorcelainDSpices第6題ThetaskofMagellan’sjourneyistofind___.ASilkBIvoryCPorcelainDSpices第7題Whatwasthecauseofthe"failure"ofthecompasswhentheColumbusfleetsailedintheAtlantic?___.AMagneticstormBMagneticdifferenceCBigstormDInstrumentdamage第8題Magellan’sfleetwantedtofindthestraitfrom____to_____allthetime.

AMediterraneanSea,IndianOceanBAtlanticOcean,MediterraneanSeaCAtlanticOcean,PacificOceanDIndianOcean,SouthChinaSea第9題WhatistheflagshipoftheColumbusexplorationteam?

ATheSaintMariaBTheNinjaCThePintaDTheVictoria第10題What’sthetaskinthefirstvoyageforVascoGamatoIndia?

AFromLisbontoCapeofgoodhopetoIndia.BFromLisbontoTunisiatoIndia.CFromCapeofgoodhopetoLisbontoIndia.DFromCapeofgoodhopetoTunisiatoIndia.第1題What’smethodthemostcommonlyusedformaritimedivision?AThehalfcircumferencemethodBThecircumferencemethodCThecompasspointmethodDThefourpointbearing第2題Accordingtothecompasspointmethod,SSWisrepresentedbythecirclemethodis_____.A202.5°B191.25°C247.5°D236.25°第3題Moderntechnologyistosuspendthecompassinthepreparedliquidandcloseit.Wecallit_____.AmagneticcompassBgyrocompassCcompassDfiberopticcompass第4題Whatistherangeofgeographiclatitude?

A0-120oB90-180oC0-180oD0-90o第5題Theunitofspeedatseaisusuallyknots,andoneknotequals_____.A1nmile/sB1nmile/hC1km/hD1km/s第6題Whenthesunisinthemiddleofthesky,Thedistancebetweenthezenithandthesunisequalto_____minustheheightofthesun.

A90°B45°C30°D75°第7題WhichprojectionmethodisusedbyMercatorprojection?_____.APlanarprojectionBConicprojectionCConcentricprojectionDEquiangularcylindricalprojection第8題In1875,St.Hilaire,aFrenchnavigator,cameupwithamethodcalled___tosolvethemappingproblemofastronomicalshippositioncircle.

ALatitudedifferencemethodBheightdifferencemethodCTargetorientationmethodDContinuousobservationandpositioningmethod第9題ThereisastarinthegeographicalNorthPole,calledPolaris,whichisthealphastarof_____.AthebigbearconstellationBthelittlebearconstellationCAndromedaDSagittarius第10題Onthetruegroundleveloftheobserver.peopledeterminetheEastandtheWestfromthenorth,____ontheleftand____ontheright.AEast,WestBWest,EastCSouth,WestDWest,SouthChapter3UnitTest第1題whatcausedthediurnalapparentmotionofcelestialbodies?AEarthrotationBEarthrevolutionCMoonrevolutionDMoonrotation第2題Thecelestialbodysetsbelowthehorizoninthe___.AEastBWestCSouthDNorth第3題Whenthevernalequinoxandautumnalequinox.thetimeofdayandnightwillbe___.AnotequalBshorterCequalDlonger第4題theorbitoftheearth'srevolutionisa___.AcircleBellipseCarcDspiral第5題themoonweseeeverydaydelaysreachingthesamepositionby___.A60minutesB50minutesC40minutesD30minutes第6題Inastronomicalpositioning,Whichplanetwecanobserve?

AVenusBJupiterCSaturnDAllofabove第7題Thediameterofthesunis_____timesthediameterofthemoon.A300B400C500D600第8題What’sthereasoncausedthetotalsolareclipse?AThemoon,theearthandthesunareinastraightlinewiththemooninthemiddleBThemoon,theearthandthesunareinastraightlinewiththeearthinthemiddleCThemoon,earthandsunareonthesameplaneDThemoon,earthandsunareonacurve第9題Onthefirstdayofthelunarmonth,themoonalsonamed___.AthefirstquartermoonBthenewmoonCthefullmoonDthedownwardchordofthemoon第10題Wecanjudgethecelestialbodyriseorsetofby___.AthetruehorizoncirclethroughtheearthcenterBTruehorizoncircleCMeasurersubcircleDMeridiancircleChapter4UnitTest第1題Theorbitalspeedoftheplanetsinthesolarsystemtheclosertothesun_____.AthefasterBtheslowerChesameDalloftheabovearetrue第2題Whatistheexpressionofstarbrightnesslevelonnavigation?AStarsizeBApparentmagnitudeCStardistanceDAlloftheabovearetrue第3題Howtofindstarsonnavigation?

AVisualmethodBStarfinderCAstronomicalsoftwareDAlloftheabove第4題Whatisthecentralrightascensionofthespringstarrysky?A0°B90°C180°D270°第5題WhatisthecentralrightascensionoftheWinterstarrysky?A0°B90°C180°D270°Chapter5UnitTest第1題Therearemore____onesolarmeandaythanonesiderealday.

A4minutesB5minutesC6minutesD7minutes第2題Thetimeof1100inUTC+8,WhattimeisintheUTC+6?____.A1000B1200C0900D0800第3題Howmanyyearsisaleapyearinthesolarcalendar?

A3B4C5D6第4題Howmanydaysisthedifferencebetweenalunaryearandatropicalyear?

AAbout25days.BAbout20days.CAbout11days.DAbout5days第5題TheSolarcalendarisacalendarbasedon_____.Atheperiodoftheearth'srotationBtheperiodoftheearth'srevolutionCtheperiodofthemoon'srevolutionDtheperiodofthemoon'srotationChapter6UnitTest第1題Theplacewiththelargesttidalrangeintheworldis_____,withanaveragetidalrangeof14.5metersandamaximumof16.3meters.ABayofFundyinCanada.BAngolainAlaska.CQiantangEstuaryinChina.DThamesEstuaryinEngland.第2題Theprocessfromlowwatertohighwateriscall