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--Which foreign language are you better at, English or French--I am sorry I know ______ of English a...
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Bobisnotaperson______youcanborrowanymoneythoughheisrich.
Thenumberofthenewlyadmittedstudents______over300butanumberofthem______notarrivedyet.
PassageThree Educationisnotanendbutameanstoanend.Inotherwordswedonoteducatechildrenonlyforthepurposeofeducatingthem;ourpurposeistopreparethemforlife.Assoonaswerealizethisfactwewillunderstandthatitisveryimportanttochooseasystemofeducationwhichwillreallypreparechildrenforlife.Itisnotenoughjusttochoosethefirstsystemofeducationonefindsortocontinuewithone’soldsystemofenducationwithoutexaminingittoseewhetheritisinfactsuitableornot. Inmanymodemcountriesithasforsometimebeenfashionabletothinkthatbyfreeeducationforall-whetherrichorpoorcleverorstupid--onecansolvealltheproblemsofsocietyandbuildaperfectnation.Butwecanalreadyseethatfreeeducationforallisnotenough;wefindinsuchcountriesafarlargernumberofpeoplewithuniversitydegreesthantherearejobsforthemtofill.Becauseoftheirdegreestheyrefusetodowhattheyconsider"low"work;andinfactworkwiththehandsisthoughttobedirtyandshamefulinsuchcountries. ButwehaveonlytothinkamomenttounderstandthattheworkofacompletelyuneducatedfarmerisfarmoreimportantthanthatofaprofessorWecanlivewithouteducationbutwedieifwehavenofood.Ifnoonecleanedourstreetsandtooktherubbishawayfromourhouseswewouldhaveterriblediseasesinourtowns.Incountrieswheretherearenoservantsbecauseeveryoneisashamedtodosuchworkscientistshavetowastemuchoftheirtimedoinghousework. Infactwhenwesaythatallofusmustbeeducatedtoprepareforlifeitmeansthatwemustbeeducatedinsuchawaythatfirstlyeachofuscandowhateverjobissuitedtohisbrainandabilityandsecondlythatwecanrealizethatalljobsarenecessarytosocietyanditisverybadtobeashamedofone’sworkortoscornsomeoneelse’s.Onlysuchatypeofeducationcanbecalledvaluabletosociety. Cleanersandfarmersdoscientistsdo.
PassageFour ArchimedeswasafamousGreekmathematicianandscientist.Hewasbornaround287BCandhediedintheyear212BC. Archimedesismostwell-knownforonespecificideathathecameupwith."Archimede’sPrinciple"statesthatasolidobjectwhichisimmersedinaliquidispushedupbyaforcewhichisequaltotheweightofthewaterthattheobjectmoves.Forexampleifyouputapieceofwoodandapieceofgoldthesamesizeinwateronlythewoodwillfloat.Boththewoodandgoldmovethesameamountofwaterbutthewoodweighslessthanthiswaterwhilethegoldweighsmore. ItisbelievedthatArchimedesdiscoveredthisprinciplewhenthekingofSyracuseaskedhimtosolveaproblem.Thekingwantedtoknowifhiscrownwaspuregoldoramixtureofgoldandsilver.Thekingofcoursedidnotmelthiscrowntofindout.TheideacametoArchimedesasheloweredhimselfintohisbath.Henoticedhowthewaterspilledoutofthetub.Hedecidedtousethesameideaforthecrown.Heknewthatagoldcrownimmersedinwaterwouldweighmorethanonemadeofsilver.Theexperimentwasdoneandthegoldsmithwasprovedguiltyoftryingtocheattheking. Fromthisselectionwemayconcludethattheking'scrown
A.NeitherhadI. B.5degreesbelowzero. C.Welleasiersaidthanclone. D.Sheisoutforlunch. E.Totakedancinglessons. F.Let’sgo. G.I’veseenitalready. H.Verymuch. Henry:Trynottomakeanymistakesinyourexam.Alice:______
PassageFour ArchimedeswasafamousGreekmathematicianandscientist.Hewasbornaround287BCandhediedintheyear212BC. Archimedesismostwell-knownforonespecificideathathecameupwith."Archimede’sPrinciple"statesthatasolidobjectwhichisimmersedinaliquidispushedupbyaforcewhichisequaltotheweightofthewaterthattheobjectmoves.Forexampleifyouputapieceofwoodandapieceofgoldthesamesizeinwateronlythewoodwillfloat.Boththewoodandgoldmovethesameamountofwaterbutthewoodweighslessthanthiswaterwhilethegoldweighsmore. ItisbelievedthatArchimedesdiscoveredthisprinciplewhenthekingofSyracuseaskedhimtosolveaproblem.Thekingwantedtoknowifhiscrownwaspuregoldoramixtureofgoldandsilver.Thekingofcoursedidnotmelthiscrowntofindout.TheideacametoArchimedesasheloweredhimselfintohisbath.Henoticedhowthewaterspilledoutofthetub.Hedecidedtousethesameideaforthecrown.Heknewthatagoldcrownimmersedinwaterwouldweighmorethanonemadeofsilver.Theexperimentwasdoneandthegoldsmithwasprovedguiltyoftryingtocheattheking. Agoodtitlefortheselectionis
PassageOne Itwasaveryhappyfamily.Thelifewasfairlywell-off.FatherLeopoldwasamusicmasterinAustria.Motherwaswarm-hearted.ThereweretwochildrenMarianneaschoolgirlandlittleWolfgangachildnotquitefouryearsold.MariannewaslearningtoplaythepianoanddayafterdayLeopoldstoodbehindherasshepractised.HowpatientherfatherwasandhowcleverlyheshowedMaricannehowtoplaysomeparticularlydifficultpieces!Shewasmakingprogressverygoodprogressandthatwasexcellent.AndtherealmostlostinthebigchairsatWolfgangwhoneverhadtobetoldtokeepquietwhenMarianne’sshouldersayingshehaddonewell.AtthatmomentWolfgangclimbedonhisfather’skneeandbeggedtobeallowedtoplaytheprettypieceMariannehadnowmastered.Whatajokethatwas!PickinguphisbabysonLeopoldlaughedandsaid"Lookatyourhands.Youmustwaitlittleman!" TherewasnoendoffunduringteaandMariannehadtotellhermotheraboutWolfgangwantingtoplayadifficultpiece.WhenthemealwasfinishedMariannehelpedtoclearawaythedishes.SuddenlyLeopoldgotup."Listen!"saidheinasurprisedvoice."Listen!""Marianneisplayingthepiecebetterthanever!" ButMariannewaswashingdishesinthekitchen. HiswifefollowingLeopoldwalkedquietlyupstairsthelampinonehandhismusicbookintheother.HepushedopenthedoorandtherewaslittleWolfgangplayinginthedarkness."Iloveit."whisperedthechild. ItwasthebeginningofMozart’slifeofmusic. Attea-timethefamilyhad
--Sorrytotroubleyou.--______.
A．training B．said C．waiting D．main
EveryoneusestheexpressionsAMandPM.Butdoyouexactlyknowwhattheymeanandhowtheycameintobeing Asyouknowtheturningoftheearthmakesthesunandthestarsseemtomoveacrossthesky.Daylightofcourse21whenthesunrisesintheeastandwhenthesunishigh22theskybetweenthesetwopositionshalfofthedaylighthourshavebeenspent. Thereforebynoticing23thesunstoodintheskyearlymanknowtheycouldtellthetimeoftheday.Atnightthemotionofthestars24thesamepurpose.Theimportantthinginkeepingtimeistoknowtheexactmomentof25.Foreachofuswhereverwearenooniswhenthesunisdirectlyoverhead.Thinkofanimaginaryline26theskystretchingfromthenorthpointofyourhorizonjusttothesouthpoint. Whenthesuncrossyourmeridian子午线itisnoonforyou.Whenthesunstill27ofthislineorthemeridianitismorning.Afterthesunhascrossedthislineitis28. TheLatinwordfor"midday"is"deridian"29whichcomesourwordmeridian.SoAMisanabbreviation缩写词for"antemeridean"orbeforemiddayandPMforaftermidday.Eachortheworld’stimezones时区isaboutfifteendegreeswideinlongitude经度whichisaboutthedistancethesunmovesthroughtheskyinanhour.30livesinthesametimezoneobservesnoonatthesamemoment.Inthiswaythetimeisdifferentbyonehourasyoumovethrougheachtimezone. 25
Theusedcomputerwassoldfor3600yuanwhichwasmorethanitsreal______.
EveryoneusestheexpressionsAMandPM.Butdoyouexactlyknowwhattheymeanandhowtheycameintobeing Asyouknowtheturningoftheearthmakesthesunandthestarsseemtomoveacrossthesky.Daylightofcourse21whenthesunrisesintheeastandwhenthesunishigh22theskybetweenthesetwopositionshalfofthedaylighthourshavebeenspent. Thereforebynoticing23thesunstoodintheskyearlymanknowtheycouldtellthetimeoftheday.Atnightthemotionofthestars24thesamepurpose.Theimportantthinginkeepingtimeistoknowtheexactmomentof25.Foreachofuswhereverwearenooniswhenthesunisdirectlyoverhead.Thinkofanimaginaryline26theskystretchingfromthenorthpointofyourhorizonjusttothesouthpoint. Whenthesuncrossyourmeridian子午线itisnoonforyou.Whenthesunstill27ofthislineorthemeridianitismorning.Afterthesunhascrossedthislineitis28. TheLatinwordfor"midday"is"deridian"29whichcomesourwordmeridian.SoAMisanabbreviation缩写词for"antemeridean"orbeforemiddayandPMforaftermidday.Eachortheworld’stimezones时区isaboutfifteendegreeswideinlongitude经度whichisaboutthedistancethesunmovesthroughtheskyinanhour.30livesinthesametimezoneobservesnoonatthesamemoment.Inthiswaythetimeisdifferentbyonehourasyoumovethrougheachtimezone. 27
PassageFive Fromthebeginningrivershaveplayedanimportantpartinthelifeofman.Manoftheearliesttimesusedtheriversasameansoftravel.Todayriversstillserveasagreatwaterwayforthetransportandpeople. Inancienttimesmansettlednearriversoronfiverbanksandbuiltuplargeempires. WaterisNature’smostpreciousgifttoman.Manneedswatertoirrigatehiscropstocookandtowash.Innationsallovertheworldriversmeanlifeandwealth.Theyfeedandclothethenationsaroundthem. Waterisalsoasourceofenergyandpower.Manconstructshugedamsacrosstherivertocontrolthewaterforirrigationandgettheenergyneededtodrivegenerators.Theelectricalpoweristhendirectedtohomescitiesfactoriesandtelevisionstations. Manuseswatereachday.Hismainsourceofwatercomesfromreservoirswhichinturngettheirwaterfromtherivers. Riversalsobringdownsoilandmineralsfromthemountainsanddepositthemontheplainsbuildinguprichfiverdeltasforraisingplantsandcrops.Freshwaterlifeinriversorinlakesfedbythemprovidemanwithfood. Inasmallwayrivershelptokeepmaningoodhealthandprovideforhisamusements.Variousformsofwatersportskeepmanstrongandhealthy. Rivershaverunonthisearthlongbeforeman.Man’sfutureabilitytoliveisuncertainbutriverswillflowonforever. Riversbring
EveryoneusestheexpressionsAMandPM.Butdoyouexactlyknowwhattheymeanandhowtheycameintobeing Asyouknowtheturningoftheearthmakesthesunandthestarsseemtomoveacrossthesky.Daylightofcourse21whenthesunrisesintheeastandwhenthesunishigh22theskybetweenthesetwopositionshalfofthedaylighthourshavebeenspent. Thereforebynoticing23thesunstoodintheskyearlymanknowtheycouldtellthetimeoftheday.Atnightthemotionofthestars24thesamepurpose.Theimportantthinginkeepingtimeistoknowtheexactmomentof25.Foreachofuswhereverwearenooniswhenthesunisdirectlyoverhead.Thinkofanimaginaryline26theskystretchingfromthenorthpointofyourhorizonjusttothesouthpoint. Whenthesuncrossyourmeridian子午线itisnoonforyou.Whenthesunstill27ofthislineorthemeridianitismorning.Afterthesunhascrossedthislineitis28. TheLatinwordfor"midday"is"deridian"29whichcomesourwordmeridian.SoAMisanabbreviation缩写词for"antemeridean"orbeforemiddayandPMforaftermidday.Eachortheworld’stimezones时区isaboutfifteendegreeswideinlongitude经度whichisaboutthedistancethesunmovesthroughtheskyinanhour.30livesinthesametimezoneobservesnoonatthesamemoment.Inthiswaythetimeisdifferentbyonehourasyoumovethrougheachtimezone. 23
PassageTwo TheNationalWeatherServiceatRyanAirportbroughtoutthefollowingforecast预报.SaturdaynightforSatonpRougeandvicinity附近地区 ItwillbepartlycloudythroughMondaywithachanceofafternoonshowers.HighSundayandMondaywillbeinthemid80swithalowSundaynightintheupper60s.Windswillbesoutheasterly10to15milesperhourdiminishingatnight. Probabilityofrainwillbe20percentSunday. Onthecoastwindswillbesoutheasterly10to15knots.Seaswillrun2-4feetandwillbe3feethighernearafewthunder-showers.Hightidewillbeat1p.m.lowtideat12:24a.m.. RecordhighforMay22was93postedin1956andrecordlowwas51recordedin1954.Normallytemperaturesshouldbefrom86to65degrees. Therewillbeafternoonthunder-showersTuesdayandoverthewestpartofthestateThursday.TuesdaythroughThursdaylowswillbeinthemidtoupper70swithhighsinthemidtoupper80s.HighSaturdaywas86withalow65. Thisforecastpredicts
A.NeitherhadI. B.5degreesbelowzero. C.Welleasiersaidthanclone. D.Sheisoutforlunch. E.Totakedancinglessons. F.Let’sgo. G.I’veseenitalready. H.Verymuch. Pat:HowdoyoulikeProfessorBrown’sclassJim:______
EveryoneusestheexpressionsAMandPM.Butdoyouexactlyknowwhattheymeanandhowtheycameintobeing Asyouknowtheturningoftheearthmakesthesunandthestarsseemtomoveacrossthesky.Daylightofcourse21whenthesunrisesintheeastandwhenthesunishigh22theskybetweenthesetwopositionshalfofthedaylighthourshavebeenspent. Thereforebynoticing23thesunstoodintheskyearlymanknowtheycouldtellthetimeoftheday.Atnightthemotionofthestars24thesamepurpose.Theimportantthinginkeepingtimeistoknowtheexactmomentof25.Foreachofuswhereverwearenooniswhenthesunisdirectlyoverhead.Thinkofanimaginaryline26theskystretchingfromthenorthpointofyourhorizonjusttothesouthpoint. Whenthesuncrossyourmeridian子午线itisnoonforyou.Whenthesunstill27ofthislineorthemeridianitismorning.Afterthesunhascrossedthislineitis28. TheLatinwordfor"midday"is"deridian"29whichcomesourwordmeridian.SoAMisanabbreviation缩写词for"antemeridean"orbeforemiddayandPMforaftermidday.Eachortheworld’stimezones时区isaboutfifteendegreeswideinlongitude经度whichisaboutthedistancethesunmovesthroughtheskyinanhour.30livesinthesametimezoneobservesnoonatthesamemoment.Inthiswaythetimeisdifferentbyonehourasyoumovethrougheachtimezone. 29
PassageTwo TheNationalWeatherServiceatRyanAirportbroughtoutthefollowingforecast预报.SaturdaynightforSatonpRougeandvicinity附近地区 ItwillbepartlycloudythroughMondaywithachanceofafternoonshowers.HighSundayandMondaywillbeinthemid80swithalowSundaynightintheupper60s.Windswillbesoutheasterly10to15milesperhourdiminishingatnight. Probabilityofrainwillbe20percentSunday. Onthecoastwindswillbesoutheasterly10to15knots.Seaswillrun2-4feetandwillbe3feethighernearafewthunder-showers.Hightidewillbeat1p.m.lowtideat12:24a.m.. RecordhighforMay22was93postedin1956andrecordlowwas51recordedin1954.Normallytemperaturesshouldbefrom86to65degrees. Therewillbeafternoonthunder-showersTuesdayandoverthewestpartofthestateThursday.TuesdaythroughThursdaylowswillbeinthemidtoupper70swithhighsinthemidtoupper80s.HighSaturdaywas86withalow65. Accordingtotheforecastthelowestrecordedtemperaturewas
PassageTwo TheNationalWeatherServiceatRyanAirportbroughtoutthefollowingforecast预报.SaturdaynightforSatonpRougeandvicinity附近地区 ItwillbepartlycloudythroughMondaywithachanceofafternoonshowers.HighSundayandMondaywillbeinthemid80swithalowSundaynightintheupper60s.Windswillbesoutheasterly10to15milesperhourdiminishingatnight. Probabilityofrainwillbe20percentSunday. Onthecoastwindswillbesoutheasterly10to15knots.Seaswillrun2-4feetandwillbe3feethighernearafewthunder-showers.Hightidewillbeat1p.m.lowtideat12:24a.m.. RecordhighforMay22was93postedin1956andrecordlowwas51recordedin1954.Normallytemperaturesshouldbefrom86to65degrees. Therewillbeafternoonthunder-showersTuesdayandoverthewestpartofthestateThursday.TuesdaythroughThursdaylowswillbeinthemidtoupper70swithhighsinthemidtoupper80s.HighSaturdaywas86withalow65. Ifonewereplanninganoutdoorgameduringthisperiodheshould
A.NeitherhadI. B.5degreesbelowzero. C.Welleasiersaidthanclone. D.Sheisoutforlunch. E.Totakedancinglessons. F.Let’sgo. G.I’veseenitalready. H.Verymuch. Fred:ShallwegoandseeourphysicsteacherNancy:______
PassageOne Itwasaveryhappyfamily.Thelifewasfairlywell-off.FatherLeopoldwasamusicmasterinAustria.Motherwaswarm-hearted.ThereweretwochildrenMarianneaschoolgirlandlittleWolfgangachildnotquitefouryearsold.MariannewaslearningtoplaythepianoanddayafterdayLeopoldstoodbehindherasshepractised.HowpatientherfatherwasandhowcleverlyheshowedMaricannehowtoplaysomeparticularlydifficultpieces!Shewasmakingprogressverygoodprogressandthatwasexcellent.AndtherealmostlostinthebigchairsatWolfgangwhoneverhadtobetoldtokeepquietwhenMarianne’sshouldersayingshehaddonewell.AtthatmomentWolfgangclimbedonhisfather’skneeandbeggedtobeallowedtoplaytheprettypieceMariannehadnowmastered.Whatajokethatwas!PickinguphisbabysonLeopoldlaughedandsaid"Lookatyourhands.Youmustwaitlittleman!" TherewasnoendoffunduringteaandMariannehadtotellhermotheraboutWolfgangwantingtoplayadifficultpiece.WhenthemealwasfinishedMariannehelpedtoclearawaythedishes.SuddenlyLeopoldgotup."Listen!"saidheinasurprisedvoice."Listen!""Marianneisplayingthepiecebetterthanever!" ButMariannewaswashingdishesinthekitchen. HiswifefollowingLeopoldwalkedquietlyupstairsthelampinonehandhismusicbookintheother.HepushedopenthedoorandtherewaslittleWolfgangplayinginthedarkness."Iloveit."whisperedthechild. ItwasthebeginningofMozart’slifeofmusic. Wolfgangwasquietwhenhissisterpractisedthepianobecause
A．idea B．ready C．measure D．bread
Adecisionmustbe______immediately______stopthefactory______wastewaterwithoutbeingtreated.
A．wear B．tear C．bear D．dear
PassageFive Fromthebeginningrivershaveplayedanimportantpartinthelifeofman.Manoftheearliesttimesusedtheriversasameansoftravel.Todayriversstillserveasagreatwaterwayforthetransportandpeople. Inancienttimesmansettlednearriversoronfiverbanksandbuiltuplargeempires. WaterisNature’smostpreciousgifttoman.Manneedswatertoirrigatehiscropstocookandtowash.Innationsallovertheworldriversmeanlifeandwealth.Theyfeedandclothethenationsaroundthem. Waterisalsoasourceofenergyandpower.Manconstructshugedamsacrosstherivertocontrolthewaterforirrigationandgettheenergyneededtodrivegenerators.Theelectricalpoweristhendirectedtohomescitiesfactoriesandtelevisionstations. Manuseswatereachday.Hismainsourceofwatercomesfromreservoirswhichinturngettheirwaterfromtherivers. Riversalsobringdownsoilandmineralsfromthemountainsanddepositthemontheplainsbuildinguprichfiverdeltasforraisingplantsandcrops.Freshwaterlifeinriversorinlakesfedbythemprovidemanwithfood. Inasmallwayrivershelptokeepmaningoodhealthandprovideforhisamusements.Variousformsofwatersportskeepmanstrongandhealthy. Rivershaverunonthisearthlongbeforeman.Man’sfutureabilitytoliveisuncertainbutriverswillflowonforever. Thethingsbroughtdownbyriversfromthemountainsthatareusefulforcultivationare
Itisdifficult______aworldrecordandevenmoredifficultto______it.
PassageThree Educationisnotanendbutameanstoanend.Inotherwordswedonoteducatechildrenonlyforthepurposeofeducatingthem;ourpurposeistopreparethemforlife.Assoonaswerealizethisfactwewillunderstandthatitisveryimportanttochooseasystemofeducationwhichwillreallypreparechildrenforlife.Itisnotenoughjusttochoosethefirstsystemofeducationonefindsortocontinuewithone’soldsystemofenducationwithoutexaminingittoseewhetheritisinfactsuitableornot. Inmanymodemcountriesithasforsometimebeenfashionabletothinkthatbyfreeeducationforall-whetherrichorpoorcleverorstupid--onecansolvealltheproblemsofsocietyandbuildaperfectnation.Butwecanalreadyseethatfreeeducationforallisnotenough;wefindinsuchcountriesafarlargernumberofpeoplewithuniversitydegreesthantherearejobsforthemtofill.Becauseoftheirdegreestheyrefusetodowhattheyconsider"low"work;andinfactworkwiththehandsisthoughttobedirtyandshamefulinsuchcountries. ButwehaveonlytothinkamomenttounderstandthattheworkofacompletelyuneducatedfarmerisfarmoreimportantthanthatofaprofessorWecanlivewithouteducationbutwedieifwehavenofood.Ifnoonecleanedourstreetsandtooktherubbishawayfromourhouseswewouldhaveterriblediseasesinourtowns.Incountrieswheretherearenoservantsbecauseeveryoneisashamedtodosuchworkscientistshavetowastemuchoftheirtimedoinghousework. Infactwhenwesaythatallofusmustbeeducatedtoprepareforlifeitmeansthatwemustbeeducatedinsuchawaythatfirstlyeachofuscandowhateverjobissuitedtohisbrainandabilityandsecondlythatwecanrealizethatalljobsarenecessarytosocietyanditisverybadtobeashamedofone’sworkortoscornsomeoneelse’s.Onlysuchatypeofeducationcanbecalledvaluabletosociety. Inmanymodemcountrieschildrengotoschool
EveryoneusestheexpressionsAMandPM.Butdoyouexactlyknowwhattheymeanandhowtheycameintobeing Asyouknowtheturningoftheearthmakesthesunandthestarsseemtomoveacrossthesky.Daylightofcourse21whenthesunrisesintheeastandwhenthesunishigh22theskybetweenthesetwopositionshalfofthedaylighthourshavebeenspent. Thereforebynoticing23thesunstoodintheskyearlymanknowtheycouldtellthetimeoftheday.Atnightthemotionofthestars24thesamepurpose.Theimportantthinginkeepingtimeistoknowtheexactmomentof25.Foreachofuswhereverwearenooniswhenthesunisdirectlyoverhead.Thinkofanimaginaryline26theskystretchingfromthenorthpointofyourhorizonjusttothesouthpoint. Whenthesuncrossyourmeridian子午线itisnoonforyou.Whenthesunstill27ofthislineorthemeridianitismorning.Afterthesunhascrossedthislineitis28. TheLatinwordfor"midday"is"deridian"29whichcomesourwordmeridian.SoAMisanabbreviation缩写词for"antemeridean"orbeforemiddayandPMforaftermidday.Eachortheworld’stimezones时区isaboutfifteendegreeswideinlongitude经度whichisaboutthedistancethesunmovesthroughtheskyinanhour.30livesinthesametimezoneobservesnoonatthesamemoment.Inthiswaythetimeisdifferentbyonehourasyoumovethrougheachtimezone. 21
Thedoctor______myforeheadandsaidYourforehead______hot.
PassageFour ArchimedeswasafamousGreekmathematicianandscientist.Hewasbornaround287BCandhediedintheyear212BC. Archimedesismostwell-knownforonespecificideathathecameupwith."Archimede’sPrinciple"statesthatasolidobjectwhichisimmersedinaliquidispushedupbyaforcewhichisequaltotheweightofthewaterthattheobjectmoves.Forexampleifyouputapieceofwoodandapieceofgoldthesamesizeinwateronlythewoodwillfloat.Boththewoodandgoldmovethesameamountofwaterbutthewoodweighslessthanthiswaterwhilethegoldweighsmore. ItisbelievedthatArchimedesdiscoveredthisprinciplewhenthekingofSyracuseaskedhimtosolveaproblem.Thekingwantedtoknowifhiscrownwaspuregoldoramixtureofgoldandsilver.Thekingofcoursedidnotmelthiscrowntofindout.TheideacametoArchimedesasheloweredhimselfintohisbath.Henoticedhowthewaterspilledoutofthetub.Hedecidedtousethesameideaforthecrown.Heknewthatagoldcrownimmersedinwaterwouldweighmorethanonemadeofsilver.Theexperimentwasdoneandthegoldsmithwasprovedguiltyoftryingtocheattheking. Wedropapieceofmetalintoajarfullofwaterthemetalwillfloatifitweighslessthan
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