- 问题详情:TheUnitedStatesgovernmenthasdecidedthatfoodfromcloned(克隆)cattle,pigsandgoatsissafetoeat.TheFoodandDrugAdministrationalsosaysitfoundnorisksinmeatandmilkfromclonedanimals. TheF.D.A.lookedatstudiesforseveralyearsbeforeitannounceditsdecisionin...
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