But slowly，life is returning to the dead area around the mountain.Grass and small plants are becoming to grow again.Deer and birds have been seen.The land will never be the same as it once was. Perhaps Mount St.Helens will erupt again.But this is all part of nature's pattern of change，and man has little power to control it.

　　【语篇解读】 作者通过the Grand Canyon的形成过程向我们描述自然的力量。

　　60．What is the best title for this passage?

　　A．Wind，water，fire and ice

　　B．Volcano's beauty and danger

　　C．The Power of nature

　　D．Natural forces shape beautiful land of America

　　答案　C　[主旨大意题。作者是想通过the Grand Canyon的形成过程向我们描述自然的力量。 ]

　　61．There are several active volcanoes in the US, which mainly lie________.

　　A．along the Colorado River

　　B．in Yellowstone Park

　　C．along the Pacific Coast

　　D．in Washington, Oregon, and Idaho

　　答案　C　[细节理解题。从第三段第二句话“But there are several active volcanoes in the US, especially along the Pacific Coast”可知美国境内的活火山主要分布在太平洋沿岸。 ]

　　62．After the eruption of Mount St.Helens，what made the sky turn dark?

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