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  3. The fact that tsunamis appear more worrisome results from At present, the U.S. East Coast is at potential hazard to be triggere

The fact that tsunamis appear more worrisome results from At present, the U.S. East Coast is at potential hazard to be triggere

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问题 The fact that tsunamis appear more worrisome results from
At present, the U.S. East Coast is at potential hazard to be triggered by
选项 A、a tremendous earthquake in Chile.
B、the Cumbre Vieja volcano.
C、an underwater landside off Norway.
D、an Alaskan earthquake.
答案B
解析 本题是一道细节题，其答案信息在第三段的第四、五、六句。这三句的大意是："今天，Cumbre Vieja火山西侧的不稳定山坡对大西洋沿岸构成了威胁。如果火山西侧山坡崩塌并跌落大海，…就将产生海啸…巨大海浪会袭击美国东海岸"。由此可以推断本题的正确答案，目前，美国东海岸处于Cumbre Vieja火山引发的潜在危险之中。在解题时应该首先凭借题干中的核心词确定答案信息在原文中的准确位置。
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