英语阅读理解求答案Organicfoodhasnonutritionalorhealthbenefitsoverordinaryfood,accordingtoamajorstudypublishedWednesday.ResearchersfromtheLondonSchoolofHygiene&TropicalMedicinesaidconsumerswerepayinghigherprices

　　英语阅读理解求答案

　　Organicfoodhasnonutritionalorhealthbenefitsoverordinaryfood,accordingtoamajorstudypublishedWednesday.

　　ResearchersfromtheLondonSchoolofHygiene&TropicalMedicinesaidconsumerswerepayinghigherpricesfororganicfoodbecauseofitsimaginedhealthbenefits,creatingaglobalorganicmarketworthanestimated$48billionin2007．

　　Asystematicreviewof162scientificpaperspublishedinthescientificliteratureoverthelast50years,however,foundtherewasnosignificantdifference．

　　“Asmallnumberofdifferencesinnutrientcontentwerefoundtoexistbetweenorganicallyandconventionally(通常)producedfoodstuffs,butthesehavenothingtodowithpublichealth,”saidAlanDangour,oneofthereport'sauthors．

　　“Ourreviewindicatesthatthereiscurrentlynoevidencetosupporttheselectionoforganicallyoverconventionallyproducedfoodsonthebasisofnutritionalsuperiority．”

　　Theresultsofresearch,whichwascommissionedbytheBritishgovernment’sFoodStandardsAgency,werepublishedintheAmericanJournalofClinicalNutrition．

　　Salesoforganicfoodhavefalleninsomemarkets,includingBritain,TheSoilAssociationsaidinAprilthatgrowthinsalesoforganicproductsinBritainslowedtojust1.7percentin2008,wellbelowtheaverageannualgrowthrateof26percentoverthelastdecade,followingaplunge(急降)indemandattheendoftheyear.

　　1.Itusedtobebelievedthat

　　A.conventionallyproducedfoodsbenefithealthmore

　　B.organicallyproducedfoodsbenefithealthmore

　　C.organicfoodhasnonutritionalorhealthbenefitsoverordinaryfood

　　D.ordinaryhasmorenutritionalbenefits

　　2.Whichoffollowingstatementsistrue?

　　A.Therewere162scientificpaperspublishedinthescientificliteratureoverthelast50years

　　B.In2007,Britishorganicmarketwasworthabout48billiondollars

　　C.Overthelastdecade,theaverageannualgrowthrateinsalesoforganicproductsinBritainwas26percent.

　　D.In2008,growthrateinsalesoforganicproductsinBritainslowedby1.7percent

　　3.Whatistheattitudeoftheauthor?

　　A.objectiveB.supportiveC