The concept of the 'Anthropocene' has gained traction among geologists as a proposed new geological epoch defined by human impact on Earth's systems. Unlike previous epochs, which were characterized by natural climatic shifts or biological events, the Anthropocene is marked by pervasive human activities such as nuclear testing, plastic pollution, and rapid urbanization. These markers, deposited in sediment and ice cores, provide a distinct stratigraphic signature. However, scholars debate its formalization, with some arguing that the term lacks a clear start date and oversimplifies the complex, uneven nature of human influence across regions and time periods. Proponents counter that the epoch's recognition is crucial for raising awareness and fostering interdisciplinary research on sustainability.
❓ 根据文章内容，反对将“人类世”正式确立为一个地质时代的主要论点是什么？
A. A. 人类活动的标志与自然事件的区别不够明显。
B. B. 该术语未能认识到人类影响在时间和空间上的不同程度。
C. C. 核试验和塑料污染不够持久，无法在地质记录中留下痕迹。
D. D. 这一概念在科学界并未获得任何支持。
✅ 正确答案
B. The term fails to acknowledge the varying degrees of human impact over time and space.