The concept of the 'Anthropocene' has gained significant traction in geological and environmental circles, referring to the current epoch in which human activity has become the dominant influence on the Earth's climate and ecosystems. While the term was popularized by atmospheric chemist Paul Crutzen in 2000, its formal recognition as a geological epoch remains contested. Proponents argue that markers such as nuclear fallout, plastic pollution, and elevated carbon dioxide levels provide clear stratigraphic evidence of human impact. Critics, however, contend that these signatures are too variable and recent to define a distinct epoch, suggesting instead that the term 'Anthropocene' is more useful as a cultural or historical concept. This debate highlights a fundamental tension between scientific classification and the broader implications of human agency on planetary processes.
❓ According to the passage, what is a key reason why some scientists oppose formally recognizing the Anthropocene as a geological epoch?
A. A. The term was not coined by a geologist.
B. B. Human impact on the environment is not significant enough.
C. C. The proposed markers are too inconsistent and recent to define a distinct epoch.
D. D. There is no evidence of human activity in the geological record.
✅ 正确答案
C. The proposed markers are too inconsistent and recent to define a distinct 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