The concept of the 'Anthropocene' has gained traction among geologists and environmental scientists as a proposed new geological epoch defined by significant human impact on Earth's geology and ecosystems. Unlike previous epochs, which were shaped by natural forces such as volcanic activity or asteroid impacts, the Anthropocene is characterized by markers including plastic pollution, elevated carbon dioxide levels, and the global spread of radioactive isotopes from nuclear tests. However, the formal recognition of this epoch remains contentious. Some scholars argue that human-induced changes, while profound, have not yet produced a distinct stratigraphic signature comparable to those of earlier boundaries. Others contend that the rapid acceleration of industrialization since the mid-20th century, often termed the 'Great Acceleration', justifies a clear demarcation. This debate underscores the challenge of integrating human history into deep geological time scales, raising questions about how future geologists will interpret our current era.
❓ Theo đoạn văn, lý do chính gây ra tranh cãi xung quanh việc công nhận chính thức kỷ Anthropocene là gì?
A. A. Sự thiếu vắng các dấu hiệu địa chất do con người gây ra.
B. B. Sự bất đồng về việc liệu những thay đổi do con người gây ra đã tạo ra một dấu hiệu địa tầng riêng biệt hay không.
C. C. Sự vắng mặt của các đồng vị phóng xạ từ các vụ thử hạt nhân.
D. D. Sự nhấn mạnh quá mức vào các lực lượng tự nhiên trong các thời kỳ trước đây.
✅ 正确答案
B. The disagreement over whether human changes have created a distinct stratigraphic signature.
IELTS Reading Tips
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