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[填空题]Most volcanoes are quiet. They rest (36) for hundreds of years. No one pays much attention to them. Mount St. Helens was one of these volcanoes. Until 1980, it was a beautiful (37) area. Its last eruption had been 123 years ago. No one was worried about another one. In March 1980, Mount St. Helens began to make noises. At first, there were some shaking movements. Then, small eruptions occurred. Some (38) left immediately. Others felt there was no danger. But on the morning of May 18, 1980, the mountain (39) its top. With the power of twenty-five (40) bombs, Mount St. Helens exploded. Clouds of dust and ash rose more than twelve miles into the sky. Rocks and mud (41) down on the slopes. Unfortunately, many people were still living, (42) or working in the area. Over forty people lost their lives. Others were (43) . Robert Baker was fishing with his family when the explosion happened. He reported that t
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Most volcanoes are quiet. They rest (36)
for hundreds of years. No one pays much attention to them. Mount St. Helens
was one of these volcanoes. Until 1980, it was a beautiful (37)
area. Its last eruption had been 123 years ago. No one was worried about
another one. In March 1980, Mount St. Helens began to make noises. At first,
there were some shaking movements. Then, small eruptions occurred. Some
(38) left immediately. Others felt there was no danger. But on
the morning of May 18, 1980, the mountain (39) its top.
With the power of twenty-five (40) bombs, Mount St. Helens
exploded. Clouds of dust and ash rose more than twelve miles into the sky. Rocks
and mud (41) down on the slopes. Unfortunately, many people
were still living, (42) or working in the area. Over forty
people lost their lives. Others were (43) .Robert Baker was
fishing with his family when
[填空题]Most volcanoes are quiet. They rest{{U}} (36) {{/U}}for hundreds of years. No one pays much attention to them. Mount St. Helens was one of these volcanoes. Until 1980, it was a beautiful{{U}} (37) {{/U}}area. Its last eruption had been 123 years ago. No one was worried about another one. In March 1980, Mount St. Helens began to make noises. At first, there were some shaking movements. Then, small eruptions occurred. Some{{U}} (38) {{/U}}left immediately. Others felt there was no danger. But on the morning of May 18, 1980, the mountain{{U}} (39) {{/U}}its top. With the power of twenty-five{{U}} (40) {{/U}}bombs, Mount St. Helens exploded. Clouds of dust and ash rose more than twelve miles into the sky. Rocks and mud{{U}} (41) {{/U}}down on the slopes, Unfortunately, many people were still living,{{U}} (42) {{/U}}or working in the area. Over forty people lost their lives. Others were{{U}} (43) {{/U}}Robert Baker was fishing with his family when the explosion happened. H