The concept of 'circular economy' has gained significant traction in recent years as a sustainable alternative to the traditional linear model of 'take-make-dispose'. Unlike linear systems, which prioritize throughput and often externalize environmental costs, circular economies emphasize the continual use of resources through recycling, remanufacturing, and product-life extension. Proponents argue that this shift not only reduces waste and resource depletion but also fosters innovation in design and business models. However, critics point out that the transition is hindered by existing infrastructure, consumer behavior, and a lack of standardized regulations. Furthermore, the energy and cost involved in recycling certain materials can sometimes outweigh the environmental benefits. Thus, while the circular economy presents a promising framework, its practical implementation requires systemic changes across policy, industry, and society.
❓ According to the passage, what is a major challenge to implementing a circular economy?
A. A. The lack of consumer interest in sustainable products
B. B. The high energy and cost of recycling some materials
C. C. The overproduction of goods in linear systems
D. D. The absence of any environmental benefits from recycling
✅ 正确答案
B. The high energy and cost of recycling some materials
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