hirty-five active voleanoes, Iceland is known as a land ofseismie aetivity. In April
minor volcanic eruption on the island _ 17. bringing chaos to transportation systems
cross Europe. The eruption,。 _18. the Eyjafjallajokull glacierin southwestern Iceland, released
clouds of ash that drifted across several countries in northern and western Europe. For several days
hearly 3 flights in the region were _19. , with hundreds of thousands of passengers unable to
siXtheir jourmeys or _20. stranded abroad.
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