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Nowadays many scientists depend on radiocarbon for dating age-old objects. The half-life of C-14 is about 25,000 years.
Nowadays many scientists depend on radiocarbon for dating age-old objects. The half-life of C-14 is about 25,000 years.
admin
2010-01-16
27
问题
Nowadays many scientists depend on radiocarbon for dating age-old objects.
The half-life of C-14 is about 25,000 years.
选项
A、Right
B、Wrong
C、Not mentioned
答案
C
解析
本文并没有直接提到C-14的寿命有多长。
转载请注明原文地址:https://kaotiyun.com/show/1MQd777K
本试题收录于:
职称英语理工类B级题库职称英语分类
0
职称英语理工类B级
职称英语
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