The concept of the 'Anthropocene' has gained traction among geologists as a proposed new geological epoch defined by human impact on Earth's systems. Unlike earlier epochs, which are distinguished by natural climatic shifts or biological events, the Anthropocene is marked by stratigraphic signals such as radioactive isotopes from nuclear tests, plastic pollution, and elevated carbon dioxide levels. However, the formal recognition of this epoch remains contentious. Critics argue that human effects are diachronous, meaning they appear at different times across the globe, which violates the synchronous boundaries required for a formal geological unit. Proponents counter that the mid-20th century 'Great Acceleration' provides a globally consistent marker, albeit one tied to industrial development. This debate highlights a fundamental tension: whether geological classification should prioritize measurable physical markers or reflect broader societal narratives about humanity's role in shaping the planet.
❓ 지문에 따르면, 일부 지질학자들이 인류세의 공식 인정을 반대하는 주된 이유는 무엇인가?
A. 인간의 영향은 지질 층을 변화시킬 만큼 충분히 크지 않다.
B. 제안된 마커들은 그 출현에 있어 전 세계적으로 동시적이지 않다.
C. 이 시대의 시작 날짜는 너무 최근이라 지질학자들이 연구하기 어렵다.
D. 방사성 동위원소와 플라스틱은 신뢰할 수 있는 지표로 간주되지 않습니다.
✅ 正确答案
The proposed markers are not globally simultaneous in their appearance.
IELTS Reading Tips
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