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 collisions, the Anthropocene is characterized by anthropogenic markers, including radioactive isotopes from nuclear tests, plastic pollution, and elevated carbon dioxide levels. However, the formal recognition of this epoch remains contentious. Some scholars argue that the term should be reserved for a time when human activities fundamentally alter planetary processes, while others contend that human influence, though pervasive, has not yet reached the scale of a distinct geological boundary. This debate underscores the difficulty of categorizing our current era within a scientific framework designed for millions of years of natural history.
❓ ¿Cuál es la principal fuente de desacuerdo respecto al Antropoceno mencionada en el pasaje?
A. A. Si las actividades humanas han causado cambios ambientales significativos en absoluto.
B. B. Si el impacto humano es lo suficientemente sustancial como para definir una época geológica distinta.
C. C. Si la contaminación por plásticos y los isótopos nucleares son marcadores apropiados para la época.
D. D. Si el término 'Antropoceno' debería utilizarse en el discurso público o solo en revistas científicas.
✅ 正确答案
B. Whether the human impact is substantial enough to define a distinct geological 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