The concept of 'deep time' in geology refers to the vast timescales over which Earth's processes operate, often spanning millions or billions of years. Unlike human history, which is measured in centuries, deep time challenges our intuitive understanding of change and stability. Geologists use radiometric dating to assign absolute ages to rocks, revealing that even seemingly static landscapes are products of slow, continuous transformation. This perspective has profound implications for fields like climate science, where current changes must be contextualized within natural variability over millennia. However, the public often struggles to grasp such scales, leading to misconceptions about the urgency of environmental issues. Thus, translating deep time into relatable terms is crucial for informed decision-making.
❓ この文章によると、深い時間の概念が提起する主な課題は何ですか?
A. 地質学研究を高価で時間のかかるものにしている。
B. B) それは放射年代測定の原理に矛盾する。
C. C) 人々がそれを理解し、現在の問題に適用することは困難である。
D. D) それは気候変動の認識された重要性を低下させる。
✅ 正确答案
C) It is difficult for people to comprehend and apply to current issues.
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