The concept of 'environmental carrying capacity' has long been central to ecological studies, referring to the maximum population size an ecosystem can sustain indefinitely. However, recent research challenges the static nature of this idea, arguing that human innovation and technological advancement can effectively expand carrying capacity. Critics of this view contend that such optimism overlooks the finite nature of natural resources and the irreversible damage caused by overexploitation. A balanced perspective suggests that while technology may delay limits, it cannot eliminate them entirely, necessitating a shift toward sustainable practices that prioritize long-term resilience over short-term growth.
❓ What is the main point of the passage?
A. A. Technological innovation can permanently solve environmental limits.
B. B. The concept of carrying capacity is outdated and irrelevant.
C. C. Carrying capacity is fixed, but human innovation and sustainable practices can influence its effects.
D. D. Overexploitation of resources is unavoidable for economic growth.
✅ 正确答案
C. Carrying capacity is fixed, but human innovation and sustainable practices can influence its effects.
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