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  3. What is the main idea of the first paragraph? According to the passage, all these following are problems resulting from the tou

What is the main idea of the first paragraph? According to the passage, all these following are problems resulting from the tou

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问题 What is the main idea of the first paragraph?
According to the passage, all these following are problems resulting from the tourism EXCEPT
选项 A、environmental pollution.
B、Hawaiian economy.
C、the loss of species.
D、the risk to creatures and biodiversity.
答案B
解析 细节题。文章第二段第二句中提到"…由游船导致的污染和旅游者的游牧人群给各种动物和植物所带来的风险"，第五句又提到"物种的灭绝已经让人几乎不能相信"；第三段开始就提到"夏威夷的环境已处在威胁之下"。由此可知"环境污染"、"物种灭绝"和"动物和生物的多样性受到了威胁"都是文中提到的由旅游业所引发的问题。只有"夏威夷的经济"是受旅游业的影响，而不是旅游业造成的问题，所以该项为正确答案。
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考研英语一

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