The concept of the 'Anthropocene' has gained traction among geologists as a proposed new geological epoch defined by significant human impact on Earth's geology and ecosystems. Unlike previous epochs, which were delineated by natural climatic shifts or biological events, the Anthropocene is characterized by markers such as plastic pollution, nuclear fallout, and elevated carbon dioxide levels. However, scholars debate whether the epoch's onset should be dated to the Industrial Revolution, the mid-20th century 'Great Acceleration', or earlier agricultural practices. This debate highlights a fundamental question: can a human-dominated era be objectively measured within the deep time scale of geology? Some argue that the term overemphasizes human agency, potentially obscuring the complex, non-linear interactions between human societies and environmental systems.
❓ 本文によると、人新世をめぐる議論における中心的な問題は何か。
A. 人間の影響が地質構造を変えるほど重大であるかどうか。
B. 人間の活動が多様であるため、正確な開始日を特定することが難しいこと。
C. 人新世をそれ以前の時代と区別する物理的な指標が欠如していること。
D. この用語が自然の気候変動の役割を無視するリスク。
✅ 正确答案
The difficulty of assigning a precise start date due to varying human activities.
IELTS Reading Tips
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Pay attention to content after transition words (however, but, yet)
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