MonaLisathemysteriouswomaninLeonardodaVinci's16thcenturymasterpiecehadjustgivenbirthtohersecondsonwhenshesatforthepaintingaFrenchartexpertsaidonTuesday.ThediscoverywasmadebyateamofCanadianscientistswhousedspecialinfrared(红外线)andthree-dimensional（三维的）technologytostudythepaintlayersontheworkwhichnowsitsintheLouvremuseuminParis.

BrunoMottinoftheFrenchMuseums'CenterforResearchandRestorationsaidthatonverycloseexaminationofthepaintingitbecameclearthattheMonaLisa'sdresswascoveredinathintransparentgauzeveil.（透明面纱）

"Thistypeofgauzedresswastypicalofthekindworninearly16thcenturyItalybywomenwhowerepregnantorwhohadjustgivenbirth.Thisissomethingthathadneverbeenseenuptonowbecausethepaintingwasalwaysjudgedtobedarkanddifficulttoexamine"hetoldanewsconference.

"WecannowsaythatthispaintingbyLeonardodaVinciwaspaintedinmemoryof thebirthofthesecondsonofMonaLisawhichhelpsustodateitmorepreciselytoaround1503."TheyoungwomanwiththeambiguoushalfsmilehasbeenidentifiedasLisaGherardiniwifeofFlorentinemerchantFrancescodeGiocondo.Shehadfivechildren.

"PeoplealwayswrotethatMonaLisahadallowedherhairtohangfreelyoverhershoulders.ThisgreatlysurprisedhistoriansbecauselettingyourhairhangfreelyduringtheRenaissancewastypicalofyounggirlsandwomenofpoorvirtue(美德)"hesaid.

TheteamhadhopedtodiscovermoredetailsaboutLeonardo’spaintingtechniqueswhichtheartistusedtocreateahazy(朦胧的)effect.ButscientistJohnTaylorsaidtheteamhadbeendisappointedbythelackofbrushstroke（笔触）detailonthepainting.

小题1:AccordingtothelatestresearchMonaLisawas__________.A．awomanofpoorvirtueB．daVinci’ssecondwifeC．awomanwhowaspregnantD．thewifeofFlorentinemerchant小题2:Wecaninferfromthetestthat___________.A．TheresearchhasbeencarriedoutinFranceB．MonaLisawaspaintedin1503atthelatestC．IndaVinci’stimewomencouldonlywearshorthairD．themostdifficultyistoidentifyth