American scientists predicted that Mount Saint Helens was to erupt soon. Pilots flying at the height of more than 2,100 meters

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问题 American scientists predicted that Mount Saint Helens was to erupt soon.
Pilots flying at the height of more than 2,100 meters saw a thick black column of ash and steam shooting up into the air from the crater.

选项 A、Right
B、Wrong
C、Not mentioned

答案B

解析
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