在2001年的考研英语阅读中，考生需要深入理解并分析各类文章，包括社会、文化、科学等领域的深度文章。以下是一篇原创的模拟题目及答案：
题目：
阅读以下文章，回答问题。
In the wake of the global financial crisis, many countries have been struggling to restore economic growth. Among them, China has emerged as a shining example of resilience and adaptability. The government's proactive measures, such as massive infrastructure investments and stimulus packages, have played a crucial role in propelling the economy forward. However, some analysts argue that this growth model is unsustainable in the long run and may lead to potential risks in the future.
问题：
What are the main challenges faced by China's economic growth model according to the passage?
答案：
According to the passage, the main challenges faced by China's economic growth model are the potential unsustainability of the current growth model and the risks that may arise in the future. While the government's measures have been effective in restoring economic growth, the reliance on infrastructure investments and stimulus packages may not be a long-term solution. This approach could lead to overcapacity and environmental degradation, posing significant risks to China's economic stability and sustainable development.
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