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【单选题】
Japanese drag and hospital companies kept selling tainted blood ______.A.
at the time when Japanese government required that untreated blood was forbidden to be imported from abroad
B.
when it was sure HIV virus was a great threat to human beings
C.
because there was an emergent need for blood in treating hemophiliacs
D.
as tile Health and Welfare ministry made an unanimous recommendation on the imports of blood products
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【判断题】1884年,恩格斯为 为即将在日内瓦出版的《新纪元》周刊的创刊号题词 是, “ 代替那存在着阶级和阶级对立的资产阶级旧社会的,将是这样一个联合体,在那里,每个人的自由发展是一切人的自由发展的条件 ”( )
A.
正确
B.
错误
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