The research at the University of Wisconsin is mentioned to show( ) A.the isolation of stem cells B.the effects of gene therapies C.the advantages of human cloning D.the limitations of tissue replacements
The research at the University of Wisconsin is mentioned to show( )
A.the isolation of stem cells
B.the effects of gene therapies
C.the advantages of human cloning
D.the limitations of tissue replacements
B.the effects of gene therapies
C.the advantages of human cloning
D.the limitations of tissue replacements
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已知某国国际收支平衡表中，经常项目差额160亿美元，资本和金融项目差额为-100亿美元，误差与遗漏为1o亿美元，则该国储备资产增减额为（ ）。A.70亿元B.-70亿美元C.+60亿美元D.+270亿美元