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 eruptions or asteroid impacts, the Anthropocene is characterized by human-induced changes, including nuclear fallout, plastic pollution, and accelerated biodiversity loss. However, the formal recognition of this epoch remains contentious. Some scholars argue that the markers of human activity, such as radioactive isotopes from mid-20th-century atomic tests, provide a clear and globally synchronous boundary. Others contend that the Anthropocene lacks the temporal longevity required for a formal epoch, as human impacts, while profound, are still relatively recent in geological timescales. This debate highlights a fundamental tension between the need for scientific precision and the broader cultural significance of acknowledging humanity's role in shaping the planet's future.
❓ What is the main point of contention regarding the formal recognition of the Anthropocene as a geological epoch?
A. A. Whether human activities have caused significant environmental changes.
B. B. Whether the markers of human impact are clear and globally synchronous.
C. C. Whether the Anthropocene has existed long enough to qualify as a formal epoch.
D. D. Whether nuclear fallout is a reliable indicator of human activity.
✅ 正确答案
C. Whether the Anthropocene has existed long enough to qualify as a formal 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