关键词：考研英语题，答案解析
在考研英语的征途上，每一道题目都承载着梦想的重量。以下是一道典型的考研英语阅读理解题目及其答案解析：
题目：
The rapid development of technology has brought about significant changes in our daily lives. One of the most notable changes is the increasing reliance on digital devices. While this has its advantages, it also poses challenges to our physical and mental health.
问题：
What is the main idea of the passage?
答案：
The main idea of the passage is the impact of digital devices on our daily lives, particularly focusing on both the benefits and the challenges they present to our health.
解析：
这段文字首先提出了科技发展带来的变化，接着指出其中最显著的变化之一是我们对数字设备的依赖。随后，文章通过使用“While this has its advantages, it also poses challenges”这一结构，明确指出数字设备带来的双重影响。因此，文章的主旨在于探讨数字设备对我们日常生活的影响，特别是它们对我们身心健康带来的正面和负面影响。
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