我国的曲艺音乐品种相当丰富,一般可分为()五大类。
参考答案:鼓词、弹词、道情、牌子曲、琴书
零件各表面本身的实际形状与理想零件表面形状之间的符合程度叫()。
应提供砷和铅的限度试验结果。
A.Limit test for heavy metals and foreign organic and mineral matters should be given.B.Limit test for contaminants should be provided, such as heavy metals, foreign organic matters and mineral matters.C.Limit test for arsenic and lead should be given.D.Limit test for pesticides may be needed.E.Limit test for stemand rachis fragments in the leaves and leaflets,should be given.找出相应的英文