Human choice,not the intrinsic content of science,determines the outcome and scientists,as human beings,therefore have a special

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问题 Human choice,not the intrinsic content of science,determines the outcome and scientists,as human beings,therefore have a special responsibility to provide council rooted in____.

选项 A、expiration
B、explanation
C、expertise
D、expenditure

答案C

解析 四个选项的意思分别是expiration“期满,到期”;explanation“解释,说明”;expertise“专家意见,专门技术”;expenditure“支出,消耗”。句意是,科学家有责任提供专业咨询建议。根据句子意思推出正确答案是C选项。
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