Nowadays many scientists depend on radiocarbon for dating age-old objects. The radiocarbon dating technique is only about 40 ye

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问题 Nowadays many scientists depend on radiocarbon for dating age-old objects.
The radiocarbon dating technique is only about 40 years old.

选项 A、Right
B、Wrong
C、Not mentioned

答案B

解析文章提到放射性碳技术是上世纪40年代研制出来的，本题的意思与原文内容不符。

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职称英语理工类C级

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