ForoveronehundredandfiftyyearsAmericansofallsocialclasseshavewornbluejeans．1Whethertheyarewornforworkorforfashiontoday．Strauss'inventioncontinuestobepopularnotonlyamongAmericansbutalsoamongpeoplearoundtheworld．

LeviStrausswasborninGermanyin1829．2　HegrewupinKentuckybeforemovingtoNewYorkin1847．BeforebecominganAmericancitizenandmovingtotheWestin1853Straussworkedinhisbrother'sdrygoodsbusiness．Thisgavehimachancetoproducehisfamousinvention．Afterthegoldrushof1949StraussdecidedtomovetotheWesttoseekhisfortunes．

Straussdidnotwanttobeapersonwhosearchedanareaforminerals．Insteadheknewhecouldmakeagoodlivingbysellingsuppliestotheminers．Atfirstheplannedtosellsewingsuppliesandcloth．3Whenheheardminerscomplainingthattheirclotheswereeasilybrokenortheyusuallytoretheirpocketsduringmininghedecidedtouseaspecialfabrictomakepantsfortheminers．Thesepantsprovedsopopularthathequicklyranoutofmaterialstomakemore．

In1873StraussreceivedaletterfromaJewishtailornamedJacobDaviswhohadinventedaprocessofconnectingpocketswithcopperrivets（铆钉）．Thismadethepantslastalongtime．BecauseDavisdidnothavethemoneytopatenthisideaheofferedtoshareitwithStraussifStrausswouldagreetopayforthepatent．4．

BythetimeStraussdiedin1902hehadmadeagreatcontributiontoAmericanfashion．

5　ThebusinesshasbeengrowingeversinceandLeviStrauss'companyisnowoneofthelargestclothingcompaniesintheworld．

A．AsayoungboyhemovedwithhisfamilytotheUnitedStates．

B．Nobodyknewwhatkindofmaterialwassuitable．

C．HedidandLevijeanshavebeenmadewithmetalrivetseversince．

D．Howeverhedidnotgetmuchbusinessforthoseproducts．

E．HealsomadeagreatcontributiontoAmerica'sclothingindustry．

F．SincetheywereinventedbyLeviStrausstheyhavebecomeasymbolofAmericanconsumerculture．

G．AsthebusinessgrewStraussgotmuchmoneyfromit．