当量剂量的单位Sv与rem的关系是().
A.1Sv=102rem
B.1Sv=103rem
C.1Sv=104rem
D.1Sv=105rem
E.1Sv=10rem
参考答案:A
—A bank on Heyan road in Nanjing was robbed on January 7th, 2012.
—It . The country was shocked.
A.did
B.had
C.has
D.does
《棉花质量监督管理条例》中规定:棉花经营者应当()置放所收购的棉花。
A.分类别
B.分产地
C.分等级
D.分品种