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

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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。根据句子意思推出正确答案是C选项。例如, “His field ofexpertise was steroids.”(他的专业领域是类固醇。)
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