Cloze Passage (4.7)Read the passage carefully and fill in the blanks with the most suitable word.
A Boiler Explosion
Two technicians and a factory supervisor were __________ in
hospital with severe burns after a ___________ boiler exploded in a
chemical plant early yesterday morning. The plant is not _________
yet and the three workers were ____________ trial runs.
A flash fire followed by an explosion _____________ inside the
furnace of the boiler. This ___________ in the collapse of the boiler
structure and high-pressure steam was ________________ into the
The fire brigade arrived ______________ minutes and brought
the fire under control within ___________ hour. The injured workers
are reported to be in critical but stable ___________. Meanwhile the
company is conducting investigations into the _____________ of the
explosion and promised to fully _____________ the injured workers
and their families.
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