单项选择题 根据《联合国国际货物销售合同公约》，买方向卖方提出索赔的最后期限是（）。

单项选择题 Questionsfrom36to40arebasedonthefollowingpassage:Againstthisbackground,theWTOfacesseveraldauntingchallenges.Thefirstistocontinuebringingdowntariffsontradedgoods.AveragepenaltieshavefallensteadilysincetheGATT’sformationbuteventhemostopeneconomiesretainloftybarriers:forinstance,Americastillchargesatariffof14.6%onimportofclothing,fivetimeshigherthanitsaveragelevy.Resistancetotariffcutsisstrongestinagriculture.AccordingtoTimJosling,atradeexpertatStanfordUniversity,tariffsandotherbarriersonfarmgoodsaverageacrippling40%worldwideandcreatedistortionsthat“destroyhugeamountsofvalue”.Anewsetofglobalfarmtalkisplannedtostartin1999.Attheleast,youmightthink,thesecouldlockinimpressivereformsinLatinAmericaandencouragefurtherwatering-downoftheEuropeanUnion’sCommonAgriculturalPolicy.Buttheywillprovedifficult:squabblesoveragriculturealmostsanktheUruguayround.Where does impressive reforms lock in according to the passage?（）.A.AmericaB.AsiaC.Latin AmericaD.Africa

单项选择题 Questionsfrom36to40arebasedonthefollowingpassage:Againstthisbackground,theWTOfacesseveraldauntingchallenges.Thefirstistocontinuebringingdowntariffsontradedgoods.AveragepenaltieshavefallensteadilysincetheGATT’sformationbuteventhemostopeneconomiesretainloftybarriers:forinstance,Americastillchargesatariffof14.6%onimportofclothing,fivetimeshigherthanitsaveragelevy.Resistancetotariffcutsisstrongestinagriculture.AccordingtoTimJosling,atradeexpertatStanfordUniversity,tariffsandotherbarriersonfarmgoodsaverageacrippling40%worldwideandcreatedistortionsthat“destroyhugeamountsofvalue”.Anewsetofglobalfarmtalkisplannedtostartin1999.Attheleast,youmightthink,thesecouldlockinimpressivereformsinLatinAmericaandencouragefurtherwatering-downoftheEuropeanUnion’sCommonAgriculturalPolicy.Buttheywillprovedifficult:squabblesoveragriculturealmostsanktheUruguayround.What does the WTO face?（）A.fair trade rules.B.free tradeC.export tax reduction.D.several challenges.