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1、2015秋沪教版品社五上《科技之光》聪明豆丁丁的疑惑?时间全国人口人均粮食占有量1949年约5.4亿约210千克2005年约13亿约370千克2007年约13.2亿约381千克全国人口与人均粮食占有量比较1960年，全国大面积受灾，其中以河北、山东、山西最为严重，占耕地面积的60%以上。所有这些因素,导致在全国范围出现严重的饥荒。有的地方甚至出现饿死人的现象。饥饿让他开始思考……袁隆平的成就不仅是中国的骄傲，也是世界的骄傲。他的成就给人类带来了福音！交流会南极科考航天技术医学农业工业城市建设“东方红
2、一号”卫星发射成功科学技术力量大，改善生活要靠它。科技成果创辉煌，振兴我们大中华。科学精神永相伴，为国立功志气大。勤学善思乐钻研，科技之光照天下。Unit3QualityofGoodsDescriptionofGoodsincludesnameofcommodity&QualityNameofCommodity---choosesuitablename:relativetotariff,carriage---keepthenameinconformityinalldocuments---useint
3、ernationallyrecognizednameofcommodityImportanceofQualityItdeterminesthepricevalueofthegoods.Itexertsatremendousinfluenceoverthesalesandprestigeofthegoods.Itinvolvesthefundamentalrightsandobligationsofbothparties.Therefore,Thequalityclauseshallbestipula
4、tedclearlyinbusinessnegotiationandconclusionofthecontract.DefinitionforQualityofGoodsoutwardsappearance:shape,structure,color,flavor,luster,etc.innerfeatures:composition,physicalandmechanicalproperty,chemicalandbiologicalfeature,etc.MethodsofStipulatin
5、g QualityofGoodsBydescription*byspecification*bygrade*bystandard*bybrandnameortrademark*bynameoforigin*bydescriptionandillustrationBysample*bytheseller’ssample*bythebuyer’ssample*bycountersampleBACKChineseGroundnutMoisture(max.)13% Admixture(max.)5% Oi
6、lcontent(min.)44%AboutstandardInternationalstandard:ISO:InternationalStandardsOrganization—hasmorethan4000standardsIEC:InternationalElectrotechnicalCommission—hasover1580standardsNationalstandard:GB14-05(isnationalstandardpublishedin2005,publicationNo.
7、is14)Craft(Guild)Standard行业(公会)标准LocalStandardEnterpriseStandardTETRACYCLINEHCLTABLETS（SUGARCOATED）250mgB.P.1980.(B.P.=BritishPharmacopoeia)------It’simportanttoindicatethenameofthepublicationanditsversion.Payattentionto:FAQFairAverageQuality,referstot
8、heaveragequalityleveloftheexportcommoditywithinacertainperiodoftime.---Commonlyusedforagriculturalproductsandbyproducts.---Thiskindofstandardisquiteambiguous.Infact,itisoftenusedwithspecification.Forexample,ChineseGroundnut,1994crop,FAQ
