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 are identified by natural stratigraphic markers such as ice cores or rock layers, the Anthropocene is marked by anthropogenic signals including nuclear fallout, plastic pollution, and elevated carbon dioxide levels. However, the formal recognition of this epoch remains contentious. Critics argue that human influence, while profound, does not yet constitute a distinct geological boundary, as it lacks a clear and globally synchronous marker in the stratigraphic record. Proponents counter that the rapid acceleration of these human-induced changes since the mid-20th century, known as the 'Great Acceleration', provides compelling evidence for a new epoch. This debate highlights the complex interplay between scientific classification and human agency in shaping planetary history.
❓ Согласно тексту, какова основная причина, по которой некоторые ученые выступают против официального признания антропоцена?
A. A. Воздействие человека недостаточно значительно, чтобы изменить геологические процессы.
B. B. Предложенные маркеры, такие как загрязнение пластиком, не являются долговечными в геологических временных масштабах.
C. C. Для данной эпохи отсутствует чёткий и глобально синхронный стратиграфический маркер.
D. D. «Великое ускорение» происходило слишком постепенно, чтобы его можно было считать границей.
✅ 正确答案
C. There is no clear and globally synchronous stratigraphic marker for the epoch.
IELTS Reading Tips
Skim the questions first, underline keywords, then locate in the passage
Watch for paraphrasing; correct answers are often reworded
Be wary of absolute statements (all, always, never) — usually wrong
Pay attention to content after transition words (however, but, yet)
Manage time: about 20 minutes per passage; skip difficult questions first