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  3. Black Americans are more likely to die of cancer than Public policy and education efforts may help to do away with

Black Americans are more likely to die of cancer than Public policy and education efforts may help to do away with

admin2009-06-15  69
问题 Black Americans are more likely to die of cancer than
Public policy and education efforts may help to do away with
选项 A、death rates.
B、various cancers.
C、unfair social differences.
D、biological differences.
答案C
解析
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