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  3. The city has always been an engine of intellectual life, from the 10-century cafes of London, where citizens gathered to discuss

The city has always been an engine of intellectual life, from the 10-century cafes of London, where citizens gathered to discuss

admin2018-09-25  18
问题     The city has always been an engine of intellectual life, from the 10-century cafes of London, where citizens gathered to discuss chemistry and politics, to the Left Bank bars of modern Paris, where Picasso talked about modern art. Without the metropolis, we might not have had the great art of Shakespeare.
    And yet, city life isn’t easy. Now scientists have begun to examine how the city affects the brain, and the results are depressing. Just being in the urban environment, they have found, impairs(损害)our basic mental processes. After spending a few minutes on a crowded city street, the brain is less able to hold things in memory and suffers from reduced self-control. While it’s long been recognized that city life is exhausting, this new research suggests that cities actually dull our thinking, sometimes dramatically so.
    One of the main forces at work is a complete lake of nature, which is surprisingly beneficial for the brain. Studies have demonstrated, for instance, that hospital patients recover more quickly when they can see trees from their windows, and that women living in public housing are better able to focus when their apartments overlook a lawn. Even these glimpses of nature improve brain performance, it seems, because they provided a mental break from the urban life.
    This research arrives just as humans cross an important milestone(里程碑). For the first time in history, the majority of people live in cities. Instead of inhabiting wide-open spaces, we’re crowded into concrete jungles, surrounded by traffic and millions of strangers. In recent years, it’s become clear that such unnatural surroundings have important implications for our mental and physical health, and can powerfully alter how we think.
Which of the following is the main idea of this passage?
选项 A、The city inspires talented people.
B、The city hurts your brain.
C、The city has many pleasures and benefits.
D、The city seriously affects the natural balance.
答案B
解析 本题为主旨大意题，提问的是文章的主要观点是什么。根据文章第二段开头“And yet，city life isn’t easy．Now scientists have begun to examine how the city affects the brain，andthe results are depressing．”可知，城市生活并不容易。现在，科学家们已经开始研究城市是如何影响人的大脑的，而且研究结果令人沮丧。从该句话可以发现，文章是围绕城市对人的大脑和思维的影响来展开的，因此答案B)“城市损害你的大脑”符合题意。
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